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1, "files": [ { "id": "/id/file/373959", "fileid": 373959, "datasetid": "document", "objectid": 128523, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "509dfbc66b50de7276102912798d5d7a", "hash_type": "MD5", "filesize": 18582, "mtime": "2021-06-24 02:56:52", "url": "/7889/6/indexcodes.txt" } ], "eprint_id": 7889, "pos": 6, "placement": 6, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/41933" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/41933" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/41933" } ] } } ], "eprint_status": "archive", "userid": 190, "dir": "disk0/00/00/78/89", "datestamp": "2013-06-12 18:49:56", "lastmod": "2019-10-04 00:02:20", "status_changed": "2013-06-12 18:49:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "prakharmehrotra@gmail.com", "id": "Mehrotra-Prakhar", "name": { "family": "Mehrotra", "given": "Prakhar" }, "show_email": "YES" } ] }, "title": "Sustainable Energy Solutions for Irrigation and Harvesting in Developing Countries", "ispublished": "unpub", "full_text_status": "public", "keywords": "Sustainability, stirling engine, irrigation, renewable energy, agriculture, harvesting, developing countries", "abstract": "One of the critical problems currently being faced by agriculture industry in developing nations is the alarming rate of groundwater depletion. Irrigation accounts for over 70% of the total groundwater withdrawn everyday. Compounding this issue is the use of polluting diesel generators to pump groundwater for irrigation. This has made irrigation not only the biggest consumer of groundwater but also one of the major contributors to green house gases. The aim of this thesis is to present a solution to the energy-water nexus. To make agriculture less dependent on fossil fuels, the use of a solar-powered Stirling engine as the power generator for on-farm energy needs is discussed. The Stirling cycle is revisited and practical and ideal Stirling cycles are compared. Based on agricultural needs and financial constraints faced by farmers in developing countries, the use of a Fresnel lens as a solar-concentrator and a Beta-type Stirling engine unit is suggested for sustainable power generation on the farms. To reduce the groundwater consumption and to make irrigation more sustainable, the conceptual idea of using a Stirling engine in drip irrigation is presented. To tackle the shortage of over 37 million tonnes of cold-storage in India, the idea of cost-effective solar-powered on-farm cold storage unit is discussed.", "date": "2013", "date_type": "degree", "id_number": "CaltechTHESIS:06112013-114509037", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:06112013-114509037", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Graduate Aerospace Laboratories of the California Institute of Technology (GALCIT)" } ] }, "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Prakhar Mehrotra", "deposited_on": "2013-06-12 18:49:56", "doi": "10.7907/KV5Y-4960", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "mckeon@caltech.edu", "id": "McKeon-B-J", "name": { "family": "McKeon", "given": "Beverley J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "mckeon@caltech.edu", "id": "McKeon-B-J", "name": { "family": "McKeon", "given": "Beverley J." }, "role": "chair" }, { "email": "hans@caltech.edu", "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "role": "member" }, { "email": "ravi@caltech.edu", "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "2013-05-31", "gradofc_approval_date": "2013-06-11", "thesis_awards": "Dow Sustainability Innovation Challenge Award-SISCA.\r\nErnest E. Sechler Memorial Award in Aeronautics, 2012.", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2013", "author_list": "Mehrotra, Prakhar" }, { "id": "/id/eprint/7900", "eprint_id": 7900, "rev_number": 28, "documents": [ { "id": "/id/document/42053", "doc_id": 42053, "rev_number": 2, "files": [ { "id": "/id/file/126555", "fileid": 126555, "datasetid": "document", "objectid": 42053, "filename": "Rebecca_Rought_Thesis.pdf", "mime_type": "application/pdf", "hash": "0295af7707dfab10c51b5f1f6a0c03af", "hash_type": "MD5", "filesize": 11692721, "mtime": "2013-06-17 21:59:37", "url": "/7900/1/Rebecca_Rought_Thesis.pdf" } ], "eprint_id": 7900, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Rebecca_Rought_Thesis.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": 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"http://eprints.org/relation/isVersionOf", "uri": "/id/document/42053" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/42053" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/42053" } ] } } ], "eprint_status": "archive", "userid": 9951, "dir": "disk0/00/00/79/00", "datestamp": "2013-06-18 21:13:44", "lastmod": "2023-10-25 21:15:27", "status_changed": "2013-06-18 21:13:44", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "rlrought@caltech.edu", "id": "Rought-Rebecca-Lynn", "name": { "family": "Rought", "given": "Rebecca Lynn" }, "show_email": "NO" } ] }, "title": "Identification of Thermally-Tagged Coherent Structures in the Zero Pressure Gradient Turbulent Boundary Layer", "ispublished": "unpub", "full_text_status": "public", "keywords": "Boundary Layer, Turbulence", "abstract": "A zero pressure gradient boundary layer over a flat plate is subjected to step changes in thermal condition at the wall, causing the formation of internal, heated layers. The resulting temperature fluctuations and their corresponding density variations are associated with turbulent coherent structures. Aero-optical distortion occurs when light passes through the boundary layer, encountering the changing index of refraction resulting from the density variations. Instantaneous measurements of streamwise velocity, temperature and the optical deflection angle experienced by a laser traversing the boundary layer are made using hot and cold wires and a Malley probe, respectively. Correlations of the deflection angle with the temperature and velocity records suggest that the dominant contribution to the deflection angle comes from thermally-tagged structures in the outer boundary layer with a convective velocity of approximately 0.8U\u221e. An examination of instantaneous temperature and velocity and their temporal gradients conditionally averaged around significant optical deflections shows behavior consistent with the passage of a heated vortex. Strong deflections are associated with strong negative temperature gradients, and strong positive velocity gradients where the sign of the streamwise velocity fluctuation changes. The power density spectrum of the optical deflections reveals associated structure size to be on the order of the boundary layer thickness. A comparison to the temperature and velocity spectra suggests that the responsible structures are smaller vortices in the outer boundary layer as opposed to larger scale motions. Notable differences between the power density spectra of the optical deflections and the temperature remain unresolved due to the low frequency response of the cold wire.", "date": "2013", "date_type": "degree", "id_number": "CaltechTHESIS:06172013-144232973", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:06172013-144232973", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "United States Air Force Office of Scientific Research", "grant_number": "FA9550-09-1-0701" } ] }, "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Rebecca Rought", "deposited_on": "2013-06-18 21:13:44", "doi": "10.7907/Z2V0-9V82", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "mckeon@caltech.edu", "id": "McKeon-B-J", "name": { "family": "McKeon", "given": "Beverley J." }, "orcid": "0000-0003-4220-1583", "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "mckeon@caltech.edu", "id": "McKeon-B-J", "name": { "family": "McKeon", "given": "Beverley J." }, "orcid": "0000-0003-4220-1583", "role": "chair" }, { "email": "colonius@caltech.edu", "id": "Colonius-T-E", "name": { "family": "Colonius", "given": "Tim" }, "orcid": "0000-0003-0326-3909", "role": "member" }, { "email": "ravi@caltech.edu", "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "orcid": "0000-0002-2912-0001", "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "2013-05-21", "gradofc_approval_date": "2013-06-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2013", "author_list": "Rought, Rebecca Lynn" }, { "id": "/id/eprint/5942", "eprint_id": 5942, "rev_number": 28, "documents": [ { "id": "/id/document/10514", "doc_id": 10514, "rev_number": 5, "files": [ { "id": "/id/file/72585", "fileid": 72585, "datasetid": "document", "objectid": 10514, "filename": "inki_thesis.pdf", "mime_type": "application/pdf", "filesize": 24307790, "mtime": "2012-12-26 04:29:11", "url": "/5942/1/inki_thesis.pdf" } ], "eprint_id": 5942, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "inki_thesis.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": 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"placement": 10, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from text/plain to indexcodes", "language": "en", "security": "internal", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/15699" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/15699" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/15699" } ] } } ], "eprint_status": "archive", "userid": 1912, "dir": "disk0/00/00/59/42", "datestamp": "2012-10-31 17:21:56", "lastmod": "2019-11-08 18:12:04", "status_changed": "2012-10-31 17:21:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "inkichoi@caltech.edu", "id": "Choi-Inki", "name": { "family": "Choi", "given": "Inki" }, "show_email": "NO" } ] }, "title": "Catalytic Modification of Flammable Atmosphere in Aircraft Fuel Tanks ", "ispublished": "unpub", "full_text_status": "public", "keywords": "Catalytic combustion", "abstract": "A facility for investigating catalytic combustion and measurement of fuel molecule concentration was built to examine catalyst candidates for inerting systems in aircraft. The facility consists of fuel and oxygen supplies, a catalytic-bed reactor, heating system, and laser-based diagnostics. Two supplementary systems consisting of a calibration test cell and a nitrogen-purged glove box were also constructed. The catalyst under investigation was platinum, and it was mixed with silica particles to increase the surface area available to react. The catalyst/silica mixture was placed in a narrow channel section of the reactor and supported from both sides by glass wool. The fuels investigated were n-octane and n-nonane because their vapor pressure is sufficiently high to create ammable gaseous mixtures with atmospheric air at room temperature. Calibration experiments were performed to determine the absorption cross-section of the two fuels as a function of temperature. The cross-section values were then used to determine the fuel concentration before the flow entered the reactor and after exposure to the heated catalyst. An initial set of experiments was performed with the catalytic-bed reactor at two temperatures, 255 and 500\u00b0C, to investigate pyrolysis and oxidation of the fuel. The presence of the catalyst increased the degree of pyrolysis and oxidation at both temperatures. The results show that catalytic modification of ammable atmospheres may yield a viable alternative for inerting aircraft fuel tanks. However, further tests are required to produce oxidation at sufficiently low temperature to comply with aircraft safety regulations.\r\n", "date": "2010", "date_type": "degree", "id_number": "CaltechTHESIS:06092010-102349721", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:06092010-102349721", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Gayle Hammer", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "In Ki Choi", "deposited_on": "2012-10-31 17:21:56", "doi": "10.7907/69YQ-XZ33", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "joseph.e.shepherd@caltech.edu", "id": "Shepherd-J-E", "name": { "family": "Shepherd", "given": "Joseph E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "joseph.e.shepherd@caltech.edu", "id": "Shepherd-J-E", "name": { "family": "Shepherd", "given": "Joseph E." }, "role": "chair" }, { "email": "dim@caltech.edu", "id": "Meiron-D-I", "name": { "family": "Meiron", "given": "Daniel I." }, "role": "member" }, { "email": "g.blanquart@caltech.edu", "id": "Blanquart-G", "name": { "family": "Blanquart", "given": "Guillaume" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "gradofc_approval_date": "2010-06-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2010", "author_list": "Choi, Inki" }, { "id": "/id/eprint/5207", "eprint_id": 5207, "rev_number": 15, "documents": [ { "id": "/id/document/8273", "doc_id": 8273, "rev_number": 3, "files": [ { "id": "/id/file/51163", "fileid": 51163, "datasetid": "document", "objectid": 8273, "filename": "Ajay_Thesis.pdf", "mime_type": "application/pdf", "filesize": 1453432, "mtime": "2012-12-26 03:16:09", "url": "/5207/1/Ajay_Thesis.pdf" } ], "eprint_id": 5207, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ajay_Thesis.pdf", "language": "en", "security": "public", "license": "other", "main": "Ajay_Thesis.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", 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"2009-06-02", "lastmod": "2019-11-26 21:04:32", "status_changed": "2011-10-05 16:41:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "bh.ajay@gmail.com", "id": "Harish-Ajay-Bangalore", "name": { "family": "Harish", "given": "Ajay Bangalore" }, "show_email": "YES" } ] }, "title": "Simulation of Dynamic Interface Fracture Using Spectral Boundary Integral Method", "ispublished": "unpub", "full_text_status": "public", "keywords": "Laboratory earthquake; Rupture nucleation mechanism", "abstract": "
Simulation of three-dimensional dynamic fracture events constitutes one of the most challenging topics in the field of computational mechanics. Spontaneous dynamic fracture along the interface of two elastic solids is of great importance and interest to a number of disciplines in engineering and science. Applications include dynamic fractures in aircraft structures, earthquakes, thermal shocks in nuclear containment vessels and delamination in layered composite materials.
\r\n\r\nThis thesis presents numerical modeling of laboratory experiments on dynamic shear rupture, giving an insight into the experimental nucleation conditions. We describe a methodology of dynamic rupture simulation using spectral boundary integral method, including the theoretical background, numerical implementation and cohesive zone models relevant to the dynamic fracture problem. The developed numerical implementation is validated using the simulation of Lamb's problem of step loading on an elastic half space and mode I crack propagation along a bonded interface. Then the numerical model and its comparison with experimental measurements is used to investigate the initiation procedure of the dynamic rupture experiments. The inferred parameters of the initiation procedure can be used in future studies to model the experimental results on supershear transition and rupture models.
\r\n", "date": "2009", "date_type": "degree", "id_number": "CaltechETD:etd-05272009-165712", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05272009-165712", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-06-02", "doi": "10.7907/B6P7-F707", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "lapusta@caltech.edu", "id": "Lapusta-N", "name": { "family": "Lapusta", "given": "Nadia" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "lapusta@caltech.edu", "id": "Lapusta-N", "name": { "family": "Lapusta", "given": "Nadia" }, "role": "chair" }, { "email": "daraio@caltech.edu", "id": "Daraio-C", "name": { "family": "Daraio", "given": "Chiara" }, "role": "member" }, { "email": "ravi@caltech.edu", "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-05-27", "thesis_defense_date": "2009-05-15", "thesis_approved_date": "2009-06-02", "gradofc_approval_date": "2009-06-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. 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validation; methane; propane; propene; propylene; sensitivity analysis", "abstract": "A methodology based on the comparison of flame simulations relying on reacting flow models with experiment is applied to C1\u2013C3 stagnation flames. The work reported targets the assessment and validation of the modeled reactions and reaction rates relevant to (C1\u2013C3)-flame propagation in several detailed combustion kinetic models. A concensus does not, as yet, exist on the modeling of the reasonably well-understood oxidation of C1\u2013C2 flames, and a better knowledge of C3 hydrocarbon combustion chemistry is required before attempting to bridge the gap between the oxidation of C1\u2013C2 hydrocarbons and the more complex chemistry of heavier hydrocarbons in a single kinetic model.
\r\n\r\nSimultaneous measurements of velocity and CH-radical profiles were performed in atmospheric propane(C3H8)- and propylene(C3H6)-air laminar premixed stagnation flames stabilized in a jet-wall configuration. These nearly-flat flames can be modeled by one-dimensional simulations, providing a means to validate kinetic models. Experimental data for these C3 flames and similar experimental data for atmospheric methane(CH4)-, ethane(C2H6)-, and ethylene(C2H4)-air flames are compared to numerical simulations performed with a one-dimensional hydrodynamic model, a multi-component transport formulation including thermal diffusion, and different detailed-chemistry models, in order to assess the adequacy of the models employed. A novel continuation technique between kinetic models was developed and applied successfully to obtain solutions with the less-robust models. The 2005/12 and 2005/10 releases of the San Diego mechanism are found to have the best overall performance in C3H8 and C3H6 flames, and in CH4, C2H6, and C2H4 flames, respectively.
\r\n\r\nFlame position provides a good surrogate for flame speed in stagnation-flow stabilized flames. The logarithmic sensitivities of the simulated flame locations to variations in the kinetic rates are calculated via the \"brute-force\" method for fifteen representative flames covering the five fuels under study and the very lean, stoichiometric, and very rich burning regimes, in order to identify the most-important reactions for each flame investigated. The rates of reactions identified in this manner are compared between the different kinetic models. Several reaction-rate differences are thus identified that are likely responsible for the variance in flame-position (or flame-speed) predictions in C1\u2013C2 flames.
", "date": "2008", "date_type": "degree", "id_number": "CaltechETD:etd-05302008-113043", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05302008-113043", "related_url": { "items": [ { "description": "Ph.D. thesis for Jeffrey Myles Bergthorson (2005)", "type": "doc", "url": "http://resolver.caltech.edu/CaltechETD:etd-05242005-165713" } ] }, "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Air Force Office of Scientific Research (AFOSR)", "grant_number": "FA9550-04-1-0020" }, { "agency": "Air Force Office of Scientific Research (AFOSR)", "grant_number": "FA9550-07-1-0091" }, { "agency": "Air Force Office of Scientific Research (AFOSR)", "grant_number": "FA9550-04-1-0253" }, { "agency": "NSF Major Research Instrumentation (MRI)", "grant_number": "EIA-0079871" }, { "agency": "Caltech Northrop Chair" } ] }, "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-06-04", "doi": "10.7907/TVB9-4266", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "pxd@tyrvos.caltech.edu", "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "pxd@tyrvos.caltech.edu", "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "chair" }, { "email": "dim@caltech.edu", "id": "Meiron-D-I", "name": { "family": "Meiron", "given": "Daniel I." }, "role": "member" }, { "email": "joseph.e.shepherd@caltech.edu", "id": "Shepherd-J-E", "name": { "family": "Shepherd", "given": "Joseph E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-05-30", "thesis_defense_date": "2008-05-30", "thesis_approved_date": "2008-06-04", "gradofc_approval_date": "2008-06-03", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2008", "author_list": "Benezech, Laurent Jean-Michel" }, { "id": "/id/eprint/2091", "eprint_id": 2091, "rev_number": 12, "documents": [ { "id": "/id/document/3791", "doc_id": 3791, "rev_number": 2, "files": [ { "id": "/id/file/22209", "fileid": 22209, "datasetid": "document", "objectid": 3791, "filename": "Johnson2005thesis.pdf", "mime_type": "application/pdf", "filesize": 1258019, "mtime": "2012-12-26 02:46:53", "url": "/2091/1/Johnson2005thesis.pdf" } ], "eprint_id": 2091, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Johnson2005thesis.pdf", "language": "en", "security": "public", "license": "other", "main": "Johnson2005thesis.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/20446" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/20446" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/20446" } ] } }, { "id": "/id/document/20446", "doc_id": 20446, "rev_number": 2, "files": [ { "id": "/id/file/22207", "fileid": 22207, "datasetid": "document", "objectid": 20446, "filename": "preview.png", "mime_type": "image/png", "hash": "14887e26bd66e307adf67f2b78eaaeef", "hash_type": "MD5", "filesize": 18919, "mtime": "2012-12-26 02:46:53", "url": "/2091/2/preview.png" } ], "eprint_id": 2091, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/3791" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/3791" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/3791" } ] } }, { "id": "/id/document/122069", "doc_id": 122069, "rev_number": 1, "files": [ { "id": "/id/file/367463", "fileid": 367463, "datasetid": "document", "objectid": 122069, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "f9a1eebdb279fde85f308c8b58a81b3d", "hash_type": "MD5", "filesize": 9723, "mtime": "2021-06-23 21:45:54", "url": "/2091/3/indexcodes.txt" } ], "eprint_id": 2091, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/3791" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/3791" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/3791" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/20/91", "datestamp": "2005-05-26", "lastmod": "2020-05-07 22:28:01", "status_changed": "2009-09-25 02:26:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "johns3c@uwindsor.ca", "id": "Johnson-Michael-Bernard", "name": { "family": "Johnson", "given": "Michael Bernard" }, "show_email": "NO" } ] }, "title": "Aerodynamic Control and Mixing with Ramp Injection", "ispublished": "unpub", "full_text_status": "public", "keywords": "chemical reaction; low strain-rate flameholding region; SCRAMJET; separated flow; shear layer; Supersonic Combustion Ramjet", "abstract": "Experiments have been conducted in the GALCIT Supersonic Shear Layer Facility (S3L) to investigate the behaviour of a flow and geometry with many features that are potentially useful for a Supersonic Combustion Ramjet (SCRAMJET) engine - a recirculation zone for flameholding, enhanced mixing between fuel and air, and low total-pressure losses. In a subsonic diffuser configuration with no mass injection, the exit velocity and guidewall static-pressure profiles collapse over a large range of inlet Reynolds numbers. Significant control of exit velocity and guidewall pressure profiles is possible via injection through a perforated ramp into the freestream. The control authority on the overall pressure coefficient increases with increasing inlet Reynolds number. Simple control volume models put bounds on the overall pressure coefficient for the device.
\r\n\r\nIn low-supersonic flow, the area ratio calculated from measured pressures agrees well with the visual shear-layer thickness, illustrating the low total-pressure losses present.
\r\n\r\nFurther control is possible through variable heat release from a fast-chemical reaction between reactants carried in the two streams. At the highest heat release studied, mass injection requirements are lowered by, roughly, a factor of two. Measurements of mixing inferred from the temperature rise from such a reaction indicate a high level of mixing vs. classical free shear layers. As in free shear layers, however, the level of mixing begins to decrease with increasing heat release.
", "date": "2005", "date_type": "degree", "id_number": "CaltechETD:etd-05262005-112117", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05262005-112117", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Air Force Office of Scientific Research", "grant_number": "F49620-98-1-0052" }, { "agency": "Air Force Office of Scientific Research", "grant_number": "F49620-01-1-0006" }, { "agency": "Air Force Office of Scientific Research", "grant_number": "FA9550-04-1-0020" } ] }, "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-05-26", "doi": "10.7907/8EVK-FK75", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "dimotakis@caltech.edu", "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "chair" }, { "email": "hans@galcit.caltech.edu", "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "role": "member" }, { "email": "jeshep@galcit.caltech.edu", "id": "Shepherd-J-E", "name": { "family": "Shepherd", "given": "Joseph E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-05-26", "thesis_defense_date": "2005-05-25", "thesis_approved_date": "2005-05-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2005", "author_list": "Johnson, Michael Bernard" }, { "id": "/id/eprint/3326", "eprint_id": 3326, "rev_number": 12, "documents": [ { "id": "/id/document/5846", "doc_id": 5846, "rev_number": 4, "files": [ { "id": "/id/file/34690", "fileid": 34690, "datasetid": "document", "objectid": 5846, "filename": "Su_wj_2001.pdf", "mime_type": "application/pdf", "filesize": 3197457, "mtime": "2012-12-26 02:59:06", "url": "/3326/1/Su_wj_2001.pdf" } ], "eprint_id": 3326, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Su_wj_2001.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22387" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22387" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22387" } ] } }, { "id": "/id/document/22387", "doc_id": 22387, "rev_number": 3, "files": [ { "id": "/id/file/34688", "fileid": 34688, "datasetid": "document", "objectid": 22387, "filename": "preview.png", "mime_type": "image/png", "hash": "4d4d53c1b25d20f8874d24a7b8b86ad5", "hash_type": "MD5", "filesize": 8372, "mtime": "2012-12-26 02:59:05", "url": "/3326/2/preview.png" } ], "eprint_id": 3326, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5846" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5846" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5846" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/33/26", "datestamp": "2007-09-11", "lastmod": "2022-11-29 20:11:32", "status_changed": "2009-09-25 02:56:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Su-Wei-Jen", "name": { "family": "Su", "given": "Wei-Jen" }, "show_email": "NO" } ] }, "title": "Aerodynamic Control for a Subsonic Diffuser", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Experiments have been conducted in the GALCIT Supersonic Shear Layer Facility to investigate some aspects of mass injection in subsonic diffusers.
\r\n\r\nThe goal of the experiment is to study aerodynamic control in subsonic diffusers by investigating downstream velocity profiles. These experiments were designed to address several key issues like effects due to velocity change (for one-stream and two-stream flows), and effects due to density variation. The effect of the separation bubble (stall flow) on the performance of the diffuser has also been investigated.
\r\n\r\nOne-stream experiments were performed with non-reacting (cold) runs using N\u2082 in the high-speed section at different velocities and zero velocity at the low-speed section. Detailed analysis of data obtained shows a slight dependency of the reattachment point of the separation bubble on Reynolds number. As the flow rate in the high-speed section increases, the reattachment point of the separation bubble shifted slightly downstream. Two-stream flow (low- and high-speed sections) experiments were performed using [...] in the high-speed section and a density-matched mixture of Argon/Helium in the low-speed section. As the mass injection is increased in the low-speed section, the reattachment point of the separation bubble moved further downstream. While keeping the same velocity ratio (low- and high-speed sections), as the overall flow velocity increases, the reattachment point moved further downstream. Also, experiments with a higher density ratio using Argon in the low-speed section and N\u2082 in the high-speed section were performed. As the density of the low-speed section increases, the reattachment point of the separation bubble moved upstream due to shear-layer entrainment effect. Finally, as the reattachment point of the separation bubble shifted further downstream, the diffuser pressure coefficient decreases, therefore, the performance of the diffuser is degraded.
\r\n\r\nSchlieren flow visualization and pressure probes were used in the experiments.
", "date": "2001", "date_type": "degree", "id_number": "CaltechETD:etd-09042007-145002", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09042007-145002", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Air Force Office of Scientific Research", "grant_number": "F49620-98-1-0052" }, { "agency": "Air Force Office of Scientific Research", "grant_number": "F49620-01-1-0006" } ] }, "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-09-11", "doi": "10.7907/xqg4-r486", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-09-04", "thesis_defense_date": "2001-04-17", "thesis_approved_date": "2007-09-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2001", "author_list": "Su, Wei-Jen" }, { "id": "/id/eprint/5052", "eprint_id": 5052, "rev_number": 14, "documents": [ { "id": "/id/document/8009", "doc_id": 8009, "rev_number": 4, "files": [ { "id": "/id/file/49295", "fileid": 49295, "datasetid": "document", "objectid": 8009, "filename": "Haberman_k_2000.pdf", "mime_type": "application/pdf", "filesize": 13277823, "mtime": "2012-12-26 03:14:17", "url": "/5052/1/Haberman_k_2000.pdf" } ], "eprint_id": 5052, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Oroginal scan, no OCR - Haberman_k_2000.pdf", "language": "en", "security": "internal", "license": "other", "main": "Haberman_k_2000.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24519" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24519" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24519" } ] } }, { "id": "/id/document/24519", "doc_id": 24519, "rev_number": 3, "files": [ { "id": "/id/file/49293", "fileid": 49293, "datasetid": "document", "objectid": 24519, "filename": "preview.png", "mime_type": "image/png", "hash": "f4d437648b2a9b0a269d587e3027a434", "hash_type": "MD5", "filesize": 14124, "mtime": "2012-12-26 03:14:17", "url": "/5052/2/preview.png" } ], "eprint_id": 5052, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8009" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8009" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8009" } ] } }, { "id": "/id/document/114623", "doc_id": 114623, "rev_number": 2, "files": [ { "id": "/id/file/352482", "fileid": 352482, "datasetid": "document", "objectid": 114623, "filename": "Haberman_k_2000-OCR.pdf", "mime_type": "application/pdf", "hash": "7eb7e19610f09fb5dc3e80c0a965fa92", "hash_type": "MD5", "filesize": 10061625, "mtime": "2021-03-26 00:06:21", "url": "/5052/3/Haberman_k_2000-OCR.pdf" } ], "eprint_id": 5052, "pos": 3, "placement": 3, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Haberman_k_2000-OCR.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/124712", "doc_id": 124712, "rev_number": 1, "files": [ { "id": "/id/file/370142", "fileid": 370142, "datasetid": "document", "objectid": 124712, "filename": "indexcodes.txt", "mime_type": "text/x-c", "hash": "37662cd1657dc12a7026cf634ab5420b", "hash_type": "MD5", "filesize": 9501, "mtime": "2021-06-23 23:51:06", "url": "/5052/4/indexcodes.txt" } ], "eprint_id": 5052, "pos": 4, "placement": 4, "mime_type": "text/x-c", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/114623" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/114623" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/114623" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/52", "datestamp": "2008-01-08", "lastmod": "2021-04-16 22:21:07", "status_changed": "2009-09-25 03:31:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Haberman-Keith-Scott", "name": { "family": "Haberman", "given": "Keith Scott" }, "show_email": "NO" } ] }, "title": "A Micromechanical Constitutive Model for the Dynamic Response of Brittle Materials \"Dynamic Response of Marble\"", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A micromechanically based constitutive model for the dynamic inelastic behavior of brittle materials, specifically \"Dionysus-Pentelicon marble\" with distributed microcracking is presented. Dionysus-Pentelicon marble was used in the construction of the Parthenon, in Athens, Greece. The constitutive model is a key component in the ability to simulate this historic explosion and the preceding bombardment form cannon fire that occurred at the Parthenon in 1678. Experiments were performed by Rosakis (1999) that characterized the static and dynamic response of this unique material. A micromechanical constitutive model that was previously successfully used to model the dynamic response of granular brittle materials is presented. The constitutive model was fitted to the experimental data for marble and reproduced the experimentally observed basic uniaxial dynamic behavior quite well. This micromechanical constitutive model was then implemented into the three dimensional nonlinear lagrangain finite element code Dyna3d(1998). Implementing this methodology into the three dimensional nonlinear dynamic finite element code allowed the model to be exercised on several preliminary impact experiments. During future simulations, the model is to be used in conjunction with other numerical techniques to simulate projectile impact and blast loading on the Dionysus-Pentelicon marble and on the structure of the Parthenon.", "date": "2000", "date_type": "degree", "id_number": "CaltechETD:etd-12182007-113248", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12182007-113248", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-01-08", "doi": "10.7907/smj0-cq27", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rosakis-A-J", "name": { "family": "Rosakis", "given": "Ares J." }, "role": "advisor" }, { "id": "Ortiz-M", "name": { "family": "Ortiz", "given": "Michael" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-12-18", "thesis_defense_date": "2000-06-01", "thesis_approved_date": "2008-01-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "2000", "author_list": "Haberman, Keith Scott" }, { "id": "/id/eprint/524", "eprint_id": 524, "rev_number": 11, "documents": [ { "id": "/id/document/764", "doc_id": 764, "rev_number": 3, "files": [ { "id": "/id/file/4875", "fileid": 4875, "datasetid": "document", "objectid": 764, "filename": "Deshpande_n_1999.pdf", "mime_type": "application/pdf", "filesize": 10703760, "mtime": "2012-12-26 02:30:16", "url": "/524/1/Deshpande_n_1999.pdf" } ], "eprint_id": 524, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Deshpande_n_1999.pdf", "language": "en", "security": "public", "license": "other", "main": "Deshpande_n_1999.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17579" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17579" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17579" } ] } }, { "id": "/id/document/17579", "doc_id": 17579, "rev_number": 3, "files": [ { "id": "/id/file/4873", "fileid": 4873, "datasetid": "document", "objectid": 17579, "filename": "preview.png", "mime_type": "image/png", "hash": "0694f83b0a30c913d3bd8a740890bb59", "hash_type": "MD5", "filesize": 8788, "mtime": "2012-12-26 02:30:16", "url": "/524/2/preview.png" } ], "eprint_id": 524, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/764" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/764" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/764" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/24", "datestamp": "2008-02-20", "lastmod": "2022-08-11 20:32:50", "status_changed": "2009-09-25 01:39:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Deshpande-Nitin-Ashok", "name": { "family": "Deshpande", "given": "Nitin Ashok" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of High-Shear-Strain-Rate Behavior of Metals", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe present study investigated the mechanical behavior of metals under high-shear-strain-rates and large shear strains. Numerical and experimental investigation of different specimen geometries for shear testing of materials was carried out. Results of numerical simulations showed that shear stress-strain curves calculated from boundary measurement of load and displacement did not match with the constitutive law for the material. The yield stress for the shear stress-strain curve from the boundary measurement was considerably lower than that of the constitutive law whereas hardening exponent was almost the same for two curves. Considerable bending was observed in the shear zone. The results from the boundary measurements were close to the constitutive law for H specimen, an analogue of axisymmetric top hat specimen with top replaced by tool steel punch. A planar version of axisymmetric top hat specimen geometry was studied using finite element analysis. The plane specimen was chosen since it is suitable for temperature measurements in the shear zone. In order to reduce the bending, three types of constraints were considered in the experiments.\r\n\r\nQuasi-static and high strain rate experiments were carried out on different geometries in the strain rate range, 10[...] to 10[...] s[...]. Relatively rate insensitive material, 2024-T3 aluminum was used to establish the relationship between numerical and experimental results. Experimental results for the axisymmetric top hat specimen were found to be in good agreement with the finite element results, but there was discrepancy between the stress-strain curve from the boundary measurements and the constitutive law. Shear stress-strain curve from the quasi-static test for the plane specimen with external constraint reproduced the results of numerical simulation. A planar specimen with built-in constraint was fabricated using wire EDM. Both quasi-static and high strain rate results matched with the numerical simulation of the same specimen geometry. High shear strains of the order of 1.5 were reached in the experiments on the Kolsky pressure bar. Some amount of thermal softening was observed in high strain rate experiments.\r\n\r\nIt was concluded that both numerical simulations and experiments are required in order to obtain accurate constitutive behavior of the material using top hat specimen geometries. A relationship can be established between the numerical tests and the experiments by conducting the experiments at strain rates where the constitutive behavior of the metal is well known. This relationship then can be used to predict the constitutive law at higher strain rates from the experimental data obtained at high strain rates.", "date": "1999", "date_type": "degree", "id_number": "CaltechETD:etd-02062008-080229", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02062008-080229", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-02-20", "doi": "10.7907/naah-mx91", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "orcid": "0000-0002-2912-0001", "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "orcid": "0000-0002-2912-0001", "role": "chair" }, { "id": "Bhattacharya-K", "name": { "family": "Bhattacharya", "given": "Kaushik" }, "orcid": "0000-0003-2908-5469", "role": "member" }, { "id": "Gharib-M", "name": { "family": "Gharib", "given": "Morteza" }, "orcid": "0000-0003-0754-4193", "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-02-06", "thesis_defense_date": "1998-06-19", "thesis_approved_date": "2008-02-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1999", "author_list": "Deshpande, Nitin Ashok" }, { "id": "/id/eprint/3721", "eprint_id": 3721, "rev_number": 10, "documents": [ { "id": "/id/document/6337", "doc_id": 6337, "rev_number": 3, "files": [ { "id": "/id/file/38011", "fileid": 38011, "datasetid": "document", "objectid": 6337, "filename": "Patel_bb_1998.pdf", "mime_type": "application/pdf", "filesize": 5629863, "mtime": "2012-12-26 03:02:25", "url": "/3721/1/Patel_bb_1998.pdf" } ], "eprint_id": 3721, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Patel_bb_1998.pdf", "language": "en", "security": "public", "license": "other", "main": "Patel_bb_1998.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22875" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22875" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22875" } ] } }, { "id": "/id/document/22875", "doc_id": 22875, "rev_number": 3, "files": [ { "id": "/id/file/38009", "fileid": 38009, "datasetid": "document", "objectid": 22875, "filename": "preview.png", "mime_type": "image/png", "hash": "0da89c558a3cd855d8bc58b7adb08692", "hash_type": "MD5", "filesize": 14120, "mtime": "2012-12-26 03:02:25", "url": "/3721/2/preview.png" } ], "eprint_id": 3721, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6337" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6337" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6337" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/37/21", "datestamp": "2004-09-23", "lastmod": "2022-08-11 20:38:33", "status_changed": "2009-09-25 03:04:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Patel-Bibhuti-Bhusan", "name": { "family": "Patel", "given": "Bibhuti Bhusan" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Wave Propagation in Fractured Brittle Material", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn experimental method for visualizing and analyzing the propagation of plate stress waves in a brittle plate is developed. A procedure has been developed to cast Break-Away glass (a low molecular weight polystyrene material) plate specimens in an open mold. The specimens are loaded with short duration (200 [...]s) stress pulses on one edge by an electromagnetic stress wave generator. The propagating stress waves generate out-of-plane deformations on the specimen surface, which are observed using Twyman-Green interferometry. The fringe patterns created by the propagating stress waves are captured using a high speed camera - pulsing laser combination at 4[...]s intervals.\r\n\r\nA generalized \"Fringe Analysis Procedure\" is developed to subtract the reference interferogram from the subsequent interferograms. The \"Fringe Analysis Procedure\" employs a fringe edge detection algorithm to obtain the sharp edge lines of the fringes in an interferogram. A digitizer is used to extract points on these edge lines and assign them fringe numbers. The \"griddata\" option in the commercial software \"Matlab\" is utilized to interpolate the deformation field on to the nodes of a uniform grid. The field values at these nodes in the reference image are then subtracted from corresponding values in the subsequent images to obtain the actual deformation patterns generated by the propagating stress waves. The \"Fringe Analysis Procedure\" has eliminated the subjective element introduced by human judgment in manual fringe tracing procedures.\r\n\r\nThe developed experimental method and the image analysis technique is used to investigate the propagation of stress waves in Break-Away glass plate specimens.", "date": "1998", "date_type": "degree", "id_number": "CaltechETD:etd-09232004-112403", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09232004-112403", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-09-23", "doi": "10.7907/w1t3-1f55", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-09-23", "thesis_defense_date": "1997-11-14", "thesis_approved_date": "2004-09-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1998", "author_list": "Patel, Bibhuti Bhusan" }, { "id": "/id/eprint/220", "eprint_id": 220, "rev_number": 11, "documents": [ { "id": "/id/document/323", "doc_id": 323, "rev_number": 3, "files": [ { "id": "/id/file/2054", "fileid": 2054, "datasetid": "document", "objectid": 323, "filename": "Mackey_rme_1997.pdf", "mime_type": "application/pdf", "filesize": 5754563, "mtime": "2012-12-26 02:28:06", "url": "/220/1/Mackey_rme_1997.pdf" } ], "eprint_id": 220, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mackey_rme_1997.pdf", "language": "en", "security": "public", "license": "other", "main": "Mackey_rme_1997.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17148" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17148" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17148" } ] } }, { "id": "/id/document/17148", "doc_id": 17148, "rev_number": 3, "files": [ { "id": "/id/file/2052", "fileid": 2052, "datasetid": "document", "objectid": 17148, "filename": "preview.png", "mime_type": "image/png", "hash": "e5d60184cab5d904493df9efd42fda06", "hash_type": "MD5", "filesize": 15033, "mtime": "2012-12-26 02:28:06", "url": "/220/2/preview.png" } ], "eprint_id": 220, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/323" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/323" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/323" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/20", "datestamp": "2008-02-14", "lastmod": "2022-08-09 17:56:05", "status_changed": "2009-09-25 01:31:19", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mackey-Ryan-Murrill-Ezekiel", "name": { "family": "Mackey", "given": "Ryan Murrill Ezekiel" }, "show_email": "NO" } ] }, "title": "Soap Film Thickness Imaging by Infrared Methods", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "A new method of studying soap film flows is introduced and discussed from several viewpoints. Using a commercial infrared camera and a cold background as an infrared light source, one can recover nonintrusively a measurement of the film thickness distribution. Once the thickness is known it is easy to compute the two-dimensional pressure in the film, allowing one to compute other film properties as well.
\r\n\r\nBlackbody and infrared detector theory are covered in brief and a simple theory of operation is introduced to explain the connection between emissivity and thickness. This theory is demonstrated to behave similarly to the physical system, predicting detected temperature values as a function of thickness of the same approximate magnitude as observed, but is too simple to provide a perfect match. An empirical calibration routine is demonstrated allowing one to calculate the film thickness to a high degree of precision.
\r\n\r\nThe infrared method is applied to a number of familiar test problems as a demonstration. A gravity driven soap film tunnel has been constructed, and infrared images of the film surface are provided for unobstructed flow, separated flow past a cylinder held at one wall, and turbulent flow through a grid. These images are presented in raw and processed formats and the phenomena observed are discussed.
", "date": "1997", "date_type": "degree", "id_number": "CaltechETD:etd-01182008-085524", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01182008-085524", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-02-14", "doi": "10.7907/7bv0-m741", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Gharib-M", "name": { "family": "Gharib", "given": "Morteza" }, "orcid": "0000-0003-0754-4193", "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Gharib-M", "name": { "family": "Gharib", "given": "Morteza" }, "orcid": "0000-0003-0754-4193", "role": "chair" }, { "id": "Leonard-A", "name": { "family": "Leonard", "given": "Anthony" }, "role": "member" }, { "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "orcid": "0000-0002-4903-8419", "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-01-18", "thesis_defense_date": "1996-12-01", "thesis_approved_date": "2008-02-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1997", "author_list": "Mackey, Ryan Murrill Ezekiel" }, { "id": "/id/eprint/3021", "eprint_id": 3021, "rev_number": 11, "documents": [ { "id": "/id/document/5418", "doc_id": 5418, "rev_number": 2, "files": [ { "id": "/id/file/31900", "fileid": 31900, "datasetid": "document", "objectid": 5418, "filename": "Gornowicz_gg_1997.pdf", "mime_type": "application/pdf", "filesize": 7101788, "mtime": "2012-12-26 02:56:19", "url": "/3021/1/Gornowicz_gg_1997.pdf" } ], "eprint_id": 3021, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gornowicz_gg_1997.pdf", "language": "en", "security": "public", "license": "other", "main": "Gornowicz_gg_1997.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21962" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21962" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21962" } ] } }, { "id": "/id/document/21962", "doc_id": 21962, "rev_number": 2, "files": [ { "id": "/id/file/31898", "fileid": 31898, "datasetid": "document", "objectid": 21962, "filename": "preview.png", "mime_type": "image/png", "hash": "a80ddbf041c9ad13385f0a6031f30a8f", "hash_type": "MD5", "filesize": 10377, "mtime": "2012-12-26 02:56:19", "url": "/3021/2/preview.png" } ], "eprint_id": 3021, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5418" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5418" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5418" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/30/21", "datestamp": "2004-08-09", "lastmod": "2022-08-11 20:44:19", "status_changed": "2009-09-25 02:49:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gornowicz-Galen-Gerald", "name": { "family": "Gornowicz", "given": "Galen Gerald" }, "show_email": "NO" } ] }, "title": "Continuous-Field Image-Correlation Velocimetry and its Application to Unsteady Flow Over an Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "Continuous-field Image Correlation Velocimetry (ICV) is an extension to the ICV technique of Tokumaru & Dimotakis (1995). The method determines the optical flow in sequences of images, and relies on a convected Lagrangian marker, e.g., a conserved scalar field, or particles, etc. The method has been applied to several simulated-flow test cases and results are presented for the error of the method, with and without noise added to the correlated test-images. The results of further tests are reported, for two laboratory flows; a NACA-0012 airfoil at high angle of attack, and a transverse jet in a coflowing stream.\r\n", "date": "1997", "date_type": "degree", "id_number": "CaltechETD:etd-08062004-141142", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08062004-141142", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-08-09", "doi": "10.7907/52KD-JX10", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dimotakis-P-E", "name": { "family": "Dimotakis", "given": "Paul E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-08-06", "thesis_defense_date": "1997-04-16", "thesis_approved_date": "2004-08-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1997", "author_list": "Gornowicz, Galen Gerald" }, { "id": "/id/eprint/5096", "eprint_id": 5096, "rev_number": 10, "documents": [ { "id": "/id/document/8071", "doc_id": 8071, "rev_number": 2, "files": [ { "id": "/id/file/49688", "fileid": 49688, "datasetid": "document", "objectid": 8071, "filename": "Gonzalez_j_1997.pdf", "mime_type": "application/pdf", "filesize": 20079935, "mtime": "2012-12-26 03:14:43", "url": "/5096/1/Gonzalez_j_1997.pdf" } ], "eprint_id": 5096, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gonzalez_j_1997.pdf", "language": "en", "security": "public", "license": "other", "main": "Gonzalez_j_1997.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24576" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24576" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24576" } ] } }, { "id": "/id/document/15988", "doc_id": 15988, "rev_number": 3, "files": [ { "id": "/id/file/204517", "fileid": 204517, "datasetid": "document", "objectid": 15988, "filename": "Gonzalez_Javier_1997.txt", "mime_type": "text/plain", "filesize": 1482, "mtime": "2016-08-22 21:17:45", "url": "/5096/2/Gonzalez_Javier_1997.txt" } ], "eprint_id": 5096, "pos": 2, "format": "text/plain", "language": "en", "security": "internal", "license": "other", "main": "Gonzalez_Javier_1997.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" }, { "id": "/id/document/24576", "doc_id": 24576, "rev_number": 2, "files": [ { "id": "/id/file/49686", "fileid": 49686, "datasetid": "document", "objectid": 24576, "filename": "preview.png", "mime_type": "image/png", "hash": "6f9ca1d49a33be851c83ac0f5577e1c3", "hash_type": "MD5", "filesize": 14658, "mtime": "2012-12-26 03:14:42", "url": "/5096/3/preview.png" } ], "eprint_id": 5096, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8071" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8071" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8071" } ] } }, { "id": "/id/document/124757", "doc_id": 124757, "rev_number": 1, "files": [ { "id": "/id/file/370187", "fileid": 370187, "datasetid": "document", "objectid": 124757, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "879a4b6bcea86a0a2297e37403ba3766", "hash_type": "MD5", "filesize": 780, "mtime": "2021-06-23 23:53:27", "url": "/5096/4/indexcodes.txt" } ], "eprint_id": 5096, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from text/plain to indexcodes", "language": "en", "security": "internal", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/15988" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/15988" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/15988" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/96", "datestamp": "2004-12-29", "lastmod": "2022-08-11 20:43:05", "status_changed": "2009-09-25 03:33:06", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "javier@namascar.net", "id": "Gonzalez-Javier-Gonzalez", "name": { "family": "Gonzalez", "given": "Javier Gonzalez" }, "show_email": "NO" } ] }, "title": "Full Field Study of Strain Distribution Near the Crack Tip in the Fracture of Solid Propellants Via Large Strain Digital Image Correlation and Optical Microscopy", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "A full field method for visualizing deformation around the crack tip in a fracture process with large strains is developed. A digital image correlation program (DIC) is used to incrementally compute strains and displacements between two consecutive images of a deformation process. Values of strain and displacements for consecutive deformations are added, this way solving convergence problems in the DIC algorithm when large deformations are investigated. The method developed is used to investigate the strain distribution within 1 mm of the crack tip in a particulate composite solid (propellant) using microscopic visualization of the deformation process.", "date": "1997", "date_type": "degree", "id_number": "CaltechETD:etd-12212004-164817", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212004-164817", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-12-29", "doi": "10.7907/HRM1-RJ74", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "email": "wgk@caltech.edu", "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "chair" }, { "email": "ravi@caltech.edu", "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "orcid": "0000-0002-2912-0001", "role": "member" }, { "email": "jeshep@galcit.caltech.edu", "id": "Shepherd-J-E", "name": { "family": "Shepherd", "given": "Joseph E." }, "orcid": "0000-0003-3181-9310", "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-12-21", "thesis_defense_date": "1997-01-14", "thesis_approved_date": "2004-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1997", "author_list": "Gonzalez, Javier Gonzalez" }, { "id": "/id/eprint/67", "eprint_id": 67, "rev_number": 10, "documents": [ { "id": "/id/document/129", "doc_id": 129, "rev_number": 3, "files": [ { "id": "/id/file/750", "fileid": 750, "datasetid": "document", "objectid": 129, "filename": "Chea_l_1997.pdf", "mime_type": "application/pdf", "filesize": 3638281, "mtime": "2012-12-26 02:27:11", "url": "/67/1/Chea_l_1997.pdf" } ], "eprint_id": 67, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chea_l_1997.pdf", "language": "en", "security": "public", "license": "other", "main": "Chea_l_1997.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16957" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16957" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16957" } ] } }, { "id": "/id/document/11368", "doc_id": 11368, "rev_number": 3, "files": [ { "id": "/id/file/199765", "fileid": 199765, "datasetid": "document", "objectid": 11368, "filename": "Chea_L_1997.txt", "mime_type": "text/plain", "filesize": 1861, "mtime": "2016-08-22 21:13:51", "url": "/67/2/Chea_L_1997.txt" } ], "eprint_id": 67, "pos": 2, "format": "text/plain", "format_desc": "Author OK 2010", "language": "en", "security": "internal", "license": "other", "main": "Chea_L_1997.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" }, { "id": "/id/document/16957", "doc_id": 16957, "rev_number": 2, "files": [ { "id": "/id/file/748", "fileid": 748, "datasetid": "document", "objectid": 16957, "filename": "preview.png", "mime_type": "image/png", "hash": "ebdd7998a8763ef6145f58753f391b4b", "hash_type": "MD5", "filesize": 14445, "mtime": "2012-12-26 02:27:11", "url": "/67/3/preview.png" } ], "eprint_id": 67, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/129" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/129" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/129" } ] } }, { "id": "/id/document/119681", "doc_id": 119681, "rev_number": 1, "files": [ { "id": "/id/file/365047", "fileid": 365047, "datasetid": "document", "objectid": 119681, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "4589b12979b65e4b1f7d0f19bb10ed8f", "hash_type": "MD5", "filesize": 897, "mtime": "2021-06-23 20:13:38", "url": "/67/4/indexcodes.txt" } ], "eprint_id": 67, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from text/plain to indexcodes", "language": "en", "security": "internal", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11368" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11368" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11368" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/00/67", "datestamp": "2008-01-25", "lastmod": "2022-08-11 20:40:48", "status_changed": "2009-09-25 01:27:40", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chea-Limdara-Ong", "name": { "family": "Chea", "given": "Limdara Ong" }, "show_email": "NO" } ] }, "title": "Finite Element Simulation and Analysis of Local Stress Concentration in Polymers with a Nonlinear Viscoelastic Constitutive Model", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nGiven a nonlinear viscoelastic (NLVE) constitutive model for a polymer, this numerical study aims at simulating local stress concentrations in a boundary value problem with a corner stress singularity. A rectangular sample of Polyvinyl Acetate (PVAc)-like cross-linked polymer clamped by two metallic rigid grips and subjected to a compression and tension load is numerically simulated.\r\n\r\nA modified version of the finite element code FEAP, that incorporated a NLVE model based on the free volume theory, was used. First, the program was validated by comparing numerical and analytical results. Two simple mechanical tests (a uniaxial and a simple shear test) were performed on a Standard Linear Solid material model, using a linear viscoelastic (LVE) constitutive model. The LVE model was \r\nobtained by setting the proportionality coefficient [...] to zero in the free volume theory equations. Second, the LVE model was used on the corner singularity boundary value problem for three material models with different bulk relaxation functions K(t). The time-dependent stress field distribution was investigated using two sets of plots: the stress distribution contour plots and the stress time curves. Third, using the NLVE constitutive model, compression and tension cases were compared using the stress results (normal stress [...] and shear stress [...]). These two cases assessed the effect of the creep retardation-creep acceleration phenomena.\r\n\r\nThe shift between the beginning of the relaxation moduli was shown to play an important role. This parameter affects strongly the fluctuation pattern of the stress curves. For two different shift values, in one case, the stress response presents a 'double peak' and 'stress inversion' characteristic whereas, in the other case, it presents a 'single peak' and no 'inversion'. Another important factor was the material's compressibility. In the case of a nearly-incompressible material, the LVE and NLVE models yielded identical results; thus, the simpler LVE model is preferable.\r\n\r\nHowever, in the case of sufficient volume dilatation (or contraction), the NLVE model predicted correct characteristic responses, whereas LVE results were erroneous. This proves the necessity of using the NLVE model over the LVE model.\r\n", "date": "1997", "date_type": "degree", "id_number": "CaltechETD:etd-01082008-095104", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01082008-095104", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-01-25", "doi": "10.7907/13SD-9N16", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-01-08", "thesis_defense_date": "1996-10-04", "thesis_approved_date": "2008-01-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1997", "author_list": "Chea, Limdara Ong" }, { "id": "/id/eprint/4181", "eprint_id": 4181, "rev_number": 15, "documents": [ { "id": "/id/document/6881", "doc_id": 6881, "rev_number": 3, "files": [ { "id": "/id/file/41794", "fileid": 41794, "datasetid": "document", "objectid": 6881, "filename": "Rousset_b_1995.pdf", "mime_type": "application/pdf", "filesize": 7691018, "mtime": "2012-12-26 03:06:08", "url": "/4181/1/Rousset_b_1995.pdf" } ], "eprint_id": 4181, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Original - no OCR - Rousset_b_1995.pdf", "language": "en", "security": "internal", "license": "other", "main": "Rousset_b_1995.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": 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"http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/106637" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/106637" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/81", "datestamp": "2007-11-02", "lastmod": "2020-03-18 22:56:28", "status_changed": "2009-09-25 03:12:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rousset-Bernard", "name": { "family": "Rousset", "given": "Bernard" }, "show_email": "NO" } ] }, "title": "Calibration and Study of the Contoured Nozzle of the T5 Free-Piston Hypervelocity Shock Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A pitot pressure survey of the contoured nozzle of the T5 shock tunnel was performed over a wide range of reservoir conditions and in the region of the exit plane of the nozzle. A rake of thirteen pitot probes was used for this purpose. The survey includes an investigation of the repeatability of the facility and an analysis of the accuracy of the measurements. The features of the pitot pressure distribution across the exit plane are a pronounced minimum near but not exactly on the centerline, and a pronounced drop near the nozzle wall. The concave profile may be quantified in terms of the curvature of the pitot pressure distribution, which increases markedly as the enthalpy is decreased and as the area ratio is increased. The normalized value of the minimum pitot pressure is found to be independent of the reservoir enthalpy, in contrast to the behavior obtained by numerical computation of inviscid flows. The results of this survey show clearly, that the use of a contoured nozzle should be restricted to conditions very close to the design condition. Since flexibility in the reservoir enthalpy and pressure, as well as area ratio, is an important feature of a shock tunnel, the results of this survey strongly suggest the use of a conical nozzle.\r\n", "date": "1995", "date_type": "degree", "id_number": "CaltechETD:etd-10192007-094437", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10192007-094437", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-11-02", "doi": "10.7907/A82S-0J92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-10-19", "thesis_defense_date": "1994-12-06", "thesis_approved_date": "2007-11-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1995", "author_list": "Rousset, Bernard" }, { "id": "/id/eprint/2854", "eprint_id": 2854, "rev_number": 9, "documents": [ { "id": "/id/document/5208", "doc_id": 5208, "rev_number": 3, "files": [ { "id": "/id/file/30468", "fileid": 30468, "datasetid": "document", "objectid": 5208, "filename": "Tierney_cm_1995.pdf", "mime_type": "application/pdf", "filesize": 12833819, "mtime": "2012-12-26 02:55:01", "url": "/2854/1/Tierney_cm_1995.pdf" } ], "eprint_id": 2854, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Tierney_cm_1995.pdf", "language": "en", "security": "public", "license": "other", "main": "Tierney_cm_1995.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21757" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21757" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21757" } ] } }, { "id": "/id/document/21757", "doc_id": 21757, "rev_number": 3, "files": [ { "id": "/id/file/30466", "fileid": 30466, "datasetid": "document", "objectid": 21757, "filename": "preview.png", "mime_type": "image/png", "hash": "3046ee7e59bfd8b02d5387f4a1436ae0", "hash_type": "MD5", "filesize": 7456, "mtime": "2012-12-26 02:55:01", "url": "/2854/2/preview.png" } ], "eprint_id": 2854, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5208" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5208" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5208" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/54", "datestamp": "2007-07-30", "lastmod": "2021-04-16 22:13:58", "status_changed": "2009-09-25 02:46:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Tierney-C-M", "name": { "family": "Tierney", "given": "C. Michael" }, "show_email": "NO" } ] }, "title": "Plume characteristics of a multiple ion source thruster", "ispublished": "unpub", "full_text_status": "public", "abstract": "This report describes ion plume characteristics of a multiple ion source thruster that are important to propulsion subsystem, spacecraft system, and mission design engineers with respect to incorporation of the segmented ion thruster (SIT) within a space mission. These characteristics will address issues related to operational performance, lifetime, thruster interaction with a host spacecraft, multiple ion beam interaction, and repeatability of construction and operation. Information contained within this report can be helpful in evaluating subsystem / mission performance, and resolve possible thruster / spacecraft integration issues.\n\nCharacteristics of the exhausted ion beam(s) were evaluated through two sets of experiments. The first involved measuring the two-dimensional ion current density distribution at several downstream locations from the thruster with concurrent operation of up to three ion sources. Assessments were made of plume symmetry, plume development as a function of downstream position, interactions between multiple ion beams, and beam divergence angles were calculated for individually operated ion sources. Ion beam asymmetries about the ion source centerline were observed. Construction of multiple ion source current density profiles through superposition of data obtained from operation of individual ions sources was attempted. Charge exchange effects appear to have impacted the analyses and some discrepancies between 'real' and 'constructed' results were observed. Beam divergence angles for R = 0.893 cases ranged from 10\u00b0 to 18\u00b0 and from 16\u00b0 to 22\u00b0 for R = 0.643 cases.\n\nThe second set of experiments involved collection of ion charge state data with the use of an ExB mass spectrometer placed downstream of the thruster. Charge state data was collected along the ion source centerline for 3 fixed propellant flow rates and varible beam currents. Data was also collected for a fixed flow rate and beam current at positions located along the horizontal and vertical axes passing through the ion source centerline. Correction factors for thrust and propellant utilization based upon doubly charged ion production, as well as propellant backflow into the discharge chamber were determined. Asymmetries in the radial profiles, as well as inconsistencies between the profiles of singly and doubly charged ions and charge state ratio, were observed.", "date": "1995", "date_type": "degree", "id_number": "CaltechETD:etd-07112007-133241", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07112007-133241", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-07-30", "doi": "10.7907/mj8f-q926", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Culick-F-E-C", "name": { "family": "Culick", "given": "Fred E. C." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-07-11", "thesis_defense_date": "1995-05-30", "thesis_approved_date": "2007-07-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1995", "author_list": "Tierney, C. Michael" }, { "id": "/id/eprint/1198", "eprint_id": 1198, "rev_number": 11, "documents": [ { "id": "/id/document/1822", "doc_id": 1822, "rev_number": 3, "files": [ { "id": "/id/file/11411", "fileid": 11411, "datasetid": "document", "objectid": 1822, "filename": "Breton_f_1995.pdf", "mime_type": "application/pdf", "filesize": 3125728, "mtime": "2012-12-26 02:36:14", "url": "/1198/1/Breton_f_1995.pdf" } ], "eprint_id": 1198, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Breton_f_1995.pdf", "language": "en", "security": "public", "license": "other", "main": "Breton_f_1995.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18602" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18602" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18602" } ] } }, { "id": "/id/document/18602", "doc_id": 18602, "rev_number": 3, "files": [ { "id": "/id/file/11409", "fileid": 11409, "datasetid": "document", "objectid": 18602, "filename": "preview.png", "mime_type": "image/png", "hash": "6467f82a7b7cd83d028e1bf1310cc972", "hash_type": "MD5", "filesize": 19151, "mtime": "2012-12-26 02:36:14", "url": "/1198/2/preview.png" } ], "eprint_id": 1198, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1822" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1822" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1822" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/98", "datestamp": "2007-03-29", "lastmod": "2021-04-19 22:27:02", "status_changed": "2009-09-25 01:57:10", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Breton-F-A", "name": { "family": "Breton", "given": "Fabienne Anne" }, "show_email": "NO" } ] }, "title": "A large deformation analysis of plates or membranes for the determination of Young's modulus and Poisson's ratio", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An analytical method for determining Young's modulus and the Poisson's ratio of thin films is considered; the method is based on the load-deflection behavior of a rectangular membrane of finite aspect ratio n = b/a subjected to uniform pressure (c.f. figure 0.1). Following numerical analysis, previously published model results are shown to be inaccurate, especially for aspect ratios greater than 1.5.\r\n\r\nAn improved model description decomposes the displacement field into two parts: following the Timoshenko formulation, the deflection is assumed to be sinusoidal near the edges, but for aspect ratios larger than unity the central portion parallel to the longer sides is assumed to bear two-dimensional character (the displacement field is independent of the coordinate parallel to the longer side).\r\n\r\nUsing energy methods and including the effects of the residual stress, the load-deflection relationship for a rectangular membrane of arbitrary aspect ratio n = b/a, under uniform pressure, is obtained.\r\n\r\nExperiments are simulated by using numerical analysis. By comparing the numerical data of load-versus-deflection behavior to that for the energy based approximation, Young's modulus can be determined to within 2% of the value specified for the numerical analysis, provided that Poisson's ratio, v, is known. If the latter is not the case, the error increases to 14%, if the full range of Poisson's ratio (0 <= v <= 0.5) is admitted. Narrowing of the uncertainty through bounding Poisson's ratio is demonstrated. This result constitutes a significant improvement over the previous models which were shown to elicit errors on the order of 45%.\r\n\r\nA method to evaluate Poisson's ratio is also proposed. Making use of the load-deflection relationship for a rectangular plate of any aspect ratio, Poisson's ratio may be evaluated through the comparison of the load-deflection behavior of membranes of different aspect ratios. This method was found to be valid for materials with Poisson's ratio in the range {0.25, 0.5}.\r\n\r\nSince it is generally difficult to obtain homogeneous films, this study was extended to considerations for bimaterial plates in terms of an effective thickness that is well defined. A layer of the material under examination is deposited onto a well-characterized substrate so that a sandwich film results. Young's modulus of the material can then be deduced from the load-deflection data of the bimaterial film.", "date": "1995", "date_type": "degree", "id_number": "CaltechETD:etd-03292007-093444", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03292007-093444", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-03-29", "doi": "10.7907/0c9r-ve54", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-03-29", "thesis_defense_date": "1995-03-31", "thesis_approved_date": "2007-03-29", "thesis_awards": "Charles D. Babcock Award, 1995", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1995", "author_list": "Breton, Fabienne Anne" }, { "id": "/id/eprint/6071", "eprint_id": 6071, "rev_number": 16, "documents": [ { "id": "/id/document/11371", "doc_id": 11371, "rev_number": 5, "files": [ { "id": "/id/file/75294", "fileid": 75294, "datasetid": "document", "objectid": 11371, "filename": "Sugawara_s_1994.pdf", "mime_type": "application/pdf", "filesize": 1915397, "mtime": "2012-12-26 04:30:43", "url": "/6071/1/Sugawara_s_1994.pdf" } ], "eprint_id": 6071, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Sugawara_s_1994.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27016" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27016" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27016" } ] } }, { "id": "/id/document/11372", "doc_id": 11372, "rev_number": 3, "files": [ { "id": "/id/file/206136", "fileid": 206136, "datasetid": "document", "objectid": 11372, "filename": "Sugawara_s_1994.zip", "mime_type": "application/zip", "filesize": 4442699, "mtime": "2016-08-22 21:20:58", "url": "/6071/2/Sugawara_s_1994.zip" } ], "eprint_id": 6071, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Sugawara_s_1994.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27016", "doc_id": 27016, "rev_number": 3, "files": [ { "id": "/id/file/75292", "fileid": 75292, "datasetid": "document", "objectid": 27016, "filename": "preview.png", "mime_type": "image/png", "hash": "ca36afaf67ed6474bebe756978e23d7f", "hash_type": "MD5", "filesize": 12235, "mtime": "2012-12-26 04:30:43", "url": "/6071/3/preview.png" } ], "eprint_id": 6071, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11371" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11371" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11371" } ] } }, { "id": "/id/document/126189", "doc_id": 126189, "rev_number": 1, "files": [ { "id": "/id/file/371623", "fileid": 371623, "datasetid": "document", "objectid": 126189, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "5134dfbb785a7090d085d175eae26927", "hash_type": "MD5", "filesize": 12339, "mtime": "2021-06-24 00:37:24", "url": "/6071/4/indexcodes.txt" } ], "eprint_id": 6071, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11371" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11371" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11371" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/71", "datestamp": "2010-09-29 15:49:38", "lastmod": "2021-04-16 22:56:00", "status_changed": "2010-09-29 15:49:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sugawara-S", "name": { "family": "Sugawara", "given": "Satoshi" }, "show_email": "NO" } ] }, "title": "An experimental investigation of fracture at an interface between two epoxies", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": " The growth of a crack located at the interface between two linearly elastic solids is investigated experimentally. The requirements for the test pieces are strong bonding between the two materials, a well-defined, planar interface, and a pronounced difference in the stiffness between the two materials. To attain these requirements, castable liquid epoxy resins are used. It is demonstrated that the manufacturing process, which follows previously established procedures for the bi-material solid composed of Solithane, is also applicable for epoxy. To investigate the toughness of the interface crack, the measurement of crack speed and the estimation of stress intensity factors are carried out for several different temperatures. Master curves of crack speed for either of the two materials and for the bimaterial are presented. The experimentally obtained fracture toughness data are compared with the expected values by Knauss's model (1971). By varying the mode mixity at the crack tip, it is found that the crack might advance by kinking into the soft material or by propagating along the interface itself, depending on the applied loading conditions. Although the number of data points is small, the fracture data gathered from tests performed at two different temperatures indicate that rate effects significantly influence the kinking behavior. Crack tip speeds after kinking are also recorded.", "date": "1994", "date_type": "degree", "id_number": "CaltechTHESIS:09282010-160254018", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09282010-160254018", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-09-29 15:49:38", "doi": "10.7907/850e-8c88", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1993-09-27", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1994", "author_list": "Sugawara, Satoshi" }, { "id": "/id/eprint/6333", "eprint_id": 6333, "rev_number": 21, "documents": [ { "id": "/id/document/12358", "doc_id": 12358, "rev_number": 5, "files": [ { "id": "/id/file/81182", "fileid": 81182, "datasetid": "document", "objectid": 12358, "filename": "Yeung_mt_1993.pdf", "mime_type": "application/pdf", "filesize": 6440986, "mtime": "2012-12-26 04:34:18", "url": "/6333/1/Yeung_mt_1993.pdf" } ], "eprint_id": 6333, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Yeung_mt_1993.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27336" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27336" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27336" } ] } }, { "id": "/id/document/12359", "doc_id": 12359, "rev_number": 4, "files": [ { "id": "/id/file/206696", "fileid": 206696, "datasetid": "document", "objectid": 12359, "filename": "Yeung_mt_1993.zip", "mime_type": "application/zip", "filesize": 13677040, "mtime": "2016-08-22 21:21:56", "url": "/6333/2/Yeung_mt_1993.zip" } ], "eprint_id": 6333, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Yeung_mt_1993.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "archival" }, { "id": "/id/document/27336", "doc_id": 27336, "rev_number": 3, "files": [ { "id": "/id/file/81180", "fileid": 81180, "datasetid": "document", "objectid": 27336, "filename": "preview.png", "mime_type": "image/png", "hash": "93a8cb8474b1b519aed1f824b8a619f3", "hash_type": "MD5", "filesize": 10774, "mtime": "2012-12-26 04:34:18", "url": "/6333/3/preview.png" } ], "eprint_id": 6333, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12358" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/12358" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12358" } ] } }, { "id": "/id/document/126544", "doc_id": 126544, "rev_number": 1, "files": [ { "id": "/id/file/371978", "fileid": 371978, "datasetid": "document", "objectid": 126544, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "a937919650d2f92485ea798739d91fae", "hash_type": "MD5", "filesize": 27293, "mtime": "2021-06-24 00:57:25", "url": "/6333/4/indexcodes.txt" } ], "eprint_id": 6333, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12358" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12358" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/12358" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/63/33", "datestamp": "2011-04-20 18:08:06", "lastmod": "2021-04-16 23:14:10", "status_changed": "2011-04-20 18:08:06", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Yeung-Moon-Tai", "name": { "family": "Yeung", "given": "Moon-Tai" }, "show_email": "NO" } ] }, "title": "Chemical Reactions in a Scramjet Combustor and Two-Dimensional Nozzles", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Finite-rate chemistry of hydrogen-air combustion is to be investigated numerically in a one-dimensional constant pressure SCRAMJET combustor and two-dimensional nozzles. Detailed reaction mechanisms and temperature dependent thermodynamics are to be used in the models. The aspects of interest include the combustion characteristics at different fuel-air ratios, pressures and initial temperatures in the combustor. Methods for enhancing the combustion rate in the combustor is to be studied also. The effect of expansion rate on the hydrogen-air reactions is the prime focus of the nozzle calculation. The results from different inlet conditions and wall geometries are to be analyzed.
\r\n\r\nA computer model for a one-dimensional (channel-flow) combustor is constructed based on the chemical kinetics subroutine library CHEMKIN. Subsequent calculations show that the initial temperature is the most important parameter in the combustor. It is further discovered that certain reaction steps are responsible for the initial delay exhibited in all hydrogen-air combustion processes. Low temperature behavior is studied extensively and augmentation methods are developed. The introduction of a small percentage of the hydrogen radical into the initial mixture is found to be the most effective in reducing the reaction delay. The combustor pressure enters the overall reaction process in a linear manner. The calculations over five combustor pressures show that the initial delay in hydrogen-air reaction and the following period of explosion are proportional to the combustor pressure raised to certain powers.
\r\n\r\nThe nozzle model is two-dimensional, steady and inviscid with no conductivity and diffusivity. Two schemes are developed to handle the boundary conditions. One is based on pure numerical interpolation/extrapolation methods while the other imposes analytical supersonic characteristic equations. The former scheme is found to be more efficient while the latter is more accurate. In analysing the response of the combustion product to an expansion, it is found that the formation of water is favoured by an expansion. A closer examination reveals that the behavior can be attributed to the abundance of free radicals in the nozzle inlet composition. Freezing is not clearly observed except for the NOx species.
\r\n", "date": "1993", "date_type": "degree", "id_number": "CaltechTHESIS:04152011-095847676", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:04152011-095847676", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-04-20 18:08:06", "doi": "10.7907/vw7e-nq49", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" }, { "id": "Leonard-A", "name": { "family": "Leonard", "given": "Anthony" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "member" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "member" }, { "id": "Leonard-A", "name": { "family": "Leonard", "given": "Anthony" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1992-10-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1993", "author_list": "Yeung, Moon-Tai" }, { "id": "/id/eprint/4677", "eprint_id": 4677, "rev_number": 9, "documents": [ { "id": "/id/document/7543", "doc_id": 7543, "rev_number": 3, "files": [ { "id": "/id/file/46133", "fileid": 46133, "datasetid": "document", "objectid": 7543, "filename": "Togami_k_1993.pdf", "mime_type": "application/pdf", "filesize": 5224813, "mtime": "2012-12-26 03:10:53", "url": "/4677/1/Togami_k_1993.pdf" } ], "eprint_id": 4677, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Togami_k_1993.pdf", "language": "en", "security": "public", "license": "other", "main": "Togami_k_1993.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24062" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24062" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24062" } ] } }, { "id": "/id/document/24062", "doc_id": 24062, "rev_number": 3, "files": [ { "id": "/id/file/46131", "fileid": 46131, "datasetid": "document", "objectid": 24062, "filename": "preview.png", "mime_type": "image/png", "hash": "c6987ddbee56fdb54608a47d3aab5661", "hash_type": "MD5", "filesize": 9254, "mtime": "2012-12-26 03:10:53", "url": "/4677/2/preview.png" } ], "eprint_id": 4677, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7543" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7543" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7543" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/77", "datestamp": "2007-12-06", "lastmod": "2021-04-16 23:01:58", "status_changed": "2009-09-25 03:24:05", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Togami-K", "name": { "family": "Togami", "given": "Kenji" }, "show_email": "NO" } ] }, "title": "Hypervelocity dissociating flow over a spherically blunted cone", "ispublished": "unpub", "full_text_status": "public", "abstract": "Recently several hypersonic vehicles are being developed in several countries. For the design of these vehicles, understanding the flow physics is necessary. Recently, the free piston driver for large shock tunnels became practical and it enables us to simulate the hypervelocity flow in the ground based facilities. Also the computing resources have grown dramatically and it enables us to compute the hypervelocity flow which is chemically and thermally nonequilibrium in a reasonable computation time. In this thesis the combined approach of experiment and computation has been applied to the hypervelocity flow on a spherically blunted cone.\n\nThe experiments are conducted in the newly developed free piston shock tunnel called T5 at the Graduate Aeronautical Laboratories, California Institute of Technology. Three kinds of the gases, nitrogen, air and carbon dioxide are used. The flow fields are computed by a CFD code using the two temperature model by Park. Since the flow field in the experiments is visualized with the differential interferogram, the computed density field is used to generate the differential interferogram. It can be concluded that the two temperature model CFD code can reproduce the basic flow feature such as the inflection point in the shock wave.\n\nHeat transfer at the stagnation point is then examined. It correlates well with the equation by Fay and Riddell. Subsequently, the after body heat flux can be predicted by Lees' theory very well. The heat flux on after body is well correlated with Stanton number and local Reynolds number for each gas but the difference between the gases are significant. This is partly because the recombination plays a more important role in the after body flow. The results of the experiments and the computations points to the necessity of other correlation parameters for the after body heat transfer in hypervelocity flows.\n\nThen the difference between the shock tunnel experiment and actual flight was examined. The most dominant factor is the difference of free stream temperature. One method to estimate the heat flux in actual flight from experimental data was proposed and this method compensates the difference of the temperature. The result shows very good agreement with numerical computational results.\n", "date": "1993", "date_type": "degree", "id_number": "CaltechETD:etd-11282007-141027", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11282007-141027", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-12-06", "doi": "10.7907/kewn-2m49", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Hornung-H-G", "name": { "family": "Hornung", "given": "Hans G." }, "role": "chair" }, { "id": "Sturtevant-B", "name": { "family": "Sturtevant", "given": "Bradford" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-11-28", "thesis_defense_date": "1993-05-27", "thesis_approved_date": "2007-12-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1993", "author_list": "Togami, Kenji" }, { "id": "/id/eprint/6332", "eprint_id": 6332, "rev_number": 15, "documents": [ { "id": "/id/document/12356", "doc_id": 12356, "rev_number": 6, "files": [ { "id": "/id/file/81164", "fileid": 81164, "datasetid": "document", "objectid": 12356, "filename": "Tsuyuki_rm_1993.pdf", "mime_type": "application/pdf", "filesize": 11228323, "mtime": "2012-12-26 04:34:17", "url": "/6332/1/Tsuyuki_rm_1993.pdf" } ], "eprint_id": 6332, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Tsuyuki_rm_1993.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27335" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27335" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27335" } ] } }, { "id": "/id/document/12357", "doc_id": 12357, "rev_number": 3, "files": [ { "id": "/id/file/206694", "fileid": 206694, "datasetid": "document", "objectid": 12357, "filename": "Tsuyuki_rm_1993.zip", "mime_type": "application/zip", "filesize": 24874556, "mtime": "2016-08-22 21:21:56", "url": "/6332/2/Tsuyuki_rm_1993.zip" } ], "eprint_id": 6332, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Tsuyuki_rm_1993.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/15288", "doc_id": 15288, "rev_number": 3, "files": [ { "id": "/id/file/206695", "fileid": 206695, "datasetid": "document", "objectid": 15288, "filename": "Tsukuyi_author_permission_sept2012.txt", "mime_type": "text/plain", "filesize": 2449, "mtime": "2016-08-22 21:21:56", "url": "/6332/3/Tsukuyi_author_permission_sept2012.txt" } ], "eprint_id": 6332, "pos": 3, "format": "text/plain", "language": "en", "security": "internal", "license": "other", "main": "Tsukuyi_author_permission_sept2012.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" }, { "id": "/id/document/27335", "doc_id": 27335, "rev_number": 2, "files": [ { "id": "/id/file/81162", "fileid": 81162, "datasetid": "document", "objectid": 27335, "filename": "preview.png", "mime_type": "image/png", "hash": "2e97425e3e4ff344797baa40e59c38aa", "hash_type": "MD5", "filesize": 15966, "mtime": "2012-12-26 04:34:17", "url": "/6332/4/preview.png" } ], "eprint_id": 6332, "pos": 4, "placement": 4, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12356" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/12356" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12356" } ] } }, { "id": "/id/document/126542", "doc_id": 126542, "rev_number": 1, "files": [ { "id": "/id/file/371976", "fileid": 371976, "datasetid": "document", "objectid": 126542, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "7d24bfec8f0f1cb0da45b277a059a299", "hash_type": "MD5", "filesize": 11060, "mtime": "2021-06-24 00:57:21", "url": "/6332/5/indexcodes.txt" } ], "eprint_id": 6332, "pos": 5, "placement": 5, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12356" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12356" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/12356" } ] } }, { "id": "/id/document/126543", "doc_id": 126543, "rev_number": 1, "files": [ { "id": "/id/file/371977", "fileid": 371977, "datasetid": "document", "objectid": 126543, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "2b3ad5052dfb8b1c67d30acc75a9fc79", "hash_type": "MD5", "filesize": 1148, "mtime": "2021-06-24 00:57:21", "url": "/6332/6/indexcodes.txt" } ], "eprint_id": 6332, "pos": 6, "placement": 6, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from text/plain to indexcodes", "language": "en", "security": "internal", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/15288" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/15288" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/15288" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/63/32", "datestamp": "2011-04-19 20:16:48", "lastmod": "2019-12-21 02:59:32", "status_changed": "2011-04-19 20:16:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "rmtsuyuki@gmail.com", "id": "Tsuyuki-R-M", "name": { "family": "Tsuyuki", "given": "Richard M." }, "show_email": "NO" } ] }, "title": "Buckling of thermoviscoelastic structures under temporal and spatial temperature variation", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics ; viscoelastic in-plane loaded structure ; lateral instability ; temperature variation", "abstract": "The problem of lateral instability of a viscoelastic in-plane loaded structure is considered in terms of thermorheologically simple materials. As an example of a generally in-plane loaded structure, we examine the simple column under axial load: Both cyclic loading is considered (with constant or in-phase variable temperature excursions) as well as the case of constant load in the presence of thermal gradients through the thickness of the structure.\r\nThe latter case involves a continuous movement of the neutral axis from the center to the colder side and then back to the center.\r\n\r\nIn both cases, one finds that temperature has a very strong effect on the rate at which instabilities evolve, and under in-phase thermal cycling the critical loads are reduced compared to those at constant (elevated) temperatures. The primary effect of thermal gradients beyond that of thermally-induced rate accelerations is a rate increase occasioned by the generation of an \"initial imperfection\" or \"structural bowing.\" This latter effect, which is proportional to both the temperature gradient and the coefficient of thermal expansion (presumed homogeneous in this study), can in fact be dominant. Because the coefficient of thermal expansion tends to be large for many polymeric materials, it may be necessary to take special care in lay-up design of composite structures intended for use under compressive loads in high-temperature applications. Finally, the implications for the temperature\r\nsensitivities of composites to micro-instability (fiber crimping) are also apparent from the results delineated here.\r\n", "date": "1993", "date_type": "degree", "id_number": "CaltechTHESIS:04152011-095226678", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:04152011-095226678", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-04-19 20:16:48", "doi": "10.7907/T54W-0694", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Ravichandran-G", "name": { "family": "Ravichandran", "given": "Guruswami" }, "role": "member" }, { "id": "Leonard-A", "name": { "family": "Leonard", "given": "Anthony" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1993-01-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1993", "author_list": "Tsuyuki, Richard M." }, { "id": "/id/eprint/2951", "eprint_id": 2951, "rev_number": 9, "documents": [ { "id": "/id/document/5319", "doc_id": 5319, "rev_number": 3, "files": [ { "id": "/id/file/31241", "fileid": 31241, "datasetid": "document", "objectid": 5319, "filename": "Bowen_jm_1992.pdf", "mime_type": "application/pdf", "filesize": 6180318, "mtime": "2012-12-26 02:55:42", "url": "/2951/1/Bowen_jm_1992.pdf" } ], "eprint_id": 2951, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bowen_jm_1992.pdf", "language": "en", "security": "public", "license": "other", "main": "Bowen_jm_1992.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21867" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21867" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21867" } ] } }, { "id": "/id/document/21867", "doc_id": 21867, "rev_number": 3, "files": [ { "id": "/id/file/31239", "fileid": 31239, "datasetid": "document", "objectid": 21867, "filename": "preview.png", "mime_type": "image/png", "hash": "a3fd3df7dcdd6cf8e95b04f226950c25", "hash_type": "MD5", "filesize": 9673, "mtime": "2012-12-26 02:55:42", "url": "/2951/2/preview.png" } ], "eprint_id": 2951, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5319" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5319" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5319" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/29/51", "datestamp": "2007-08-02", "lastmod": "2021-04-16 23:01:03", "status_changed": "2009-09-25 02:47:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bowen-J-M", "name": { "family": "Bowen", "given": "John Murray" }, "show_email": "NO" } ] }, "title": "An experimental investigation of fracture at a bimaterial interface", "ispublished": "unpub", "full_text_status": "public", "abstract": "The growth of a crack located at the interface between two linearly (visco)elastic solids is investigated experimentally. It is found that the crack may advance by kinking into either of the adherends or by propagating along the interface itself, depending on the applied loading. For the separation problem, in which crack advance occurs along the bimaterial interface, it is demonstrated that the time-dependent unbonding of the two joined viscoelastic solids follows a rate-dependent fracture process that can be described to a large extent by the viscoelastic properties of the two adherends. Moreover, the strength of the interfacial bond can be characterized in terms of an equilibrium interface-intrinsic fracture energy, the magnitude of which represents the bond strength quantitatively. In particular, interface strength on the same order as those of the adherends is achieved. In contrast to the time-dependent approach developed for the separation problem, the propensity of the interface crack to kink out of the interface upon loading is evaluated in the context of (time-independent) linearly elastic fracture mechanics. It is demonstrated that crack propagation along the interface occurs for a finite range of load mixity, a phenomenon predicted by linear analysis of the bimaterial joint but absent from the corresponding homogeneous development. Agreement between observed kinking behavior and analytical results is seen to improve by suitable manipulation of a presumably material characteristic length, the origin of which is rooted in the linearized analysis. The influence of material rate effects on the crack kinking behavior \nis also investigated.\n", "date": "1992", "date_type": "degree", "id_number": "CaltechETD:etd-07202007-092222", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07202007-092222", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-08-02", "doi": "10.7907/esfz-eb60", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-07-20", "thesis_defense_date": "1992-05-06", "thesis_approved_date": "2007-08-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1992", "author_list": "Bowen, John Murray" }, { "id": "/id/eprint/2953", "eprint_id": 2953, "rev_number": 13, "documents": [ { "id": "/id/document/5321", "doc_id": 5321, "rev_number": 3, "files": [ { "id": "/id/file/31256", "fileid": 31256, "datasetid": "document", "objectid": 5321, "filename": "Gortsema_sc_1992.pdf", "mime_type": "application/pdf", "filesize": 15694942, "mtime": "2012-12-26 02:55:43", "url": "/2953/1/Gortsema_sc_1992.pdf" } ], "eprint_id": 2953, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gortsema_sc_1992.pdf", "language": "en", "security": "public", "license": "other", "main": "Gortsema_sc_1992.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21869" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21869" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21869" } ] } }, { "id": "/id/document/21869", "doc_id": 21869, "rev_number": 3, "files": [ { "id": "/id/file/31254", "fileid": 31254, "datasetid": "document", "objectid": 21869, "filename": "preview.png", "mime_type": "image/png", "hash": "8ccb024781ecf820d9e79852dac4f914", "hash_type": "MD5", "filesize": 13081, "mtime": "2012-12-26 02:55:43", "url": "/2953/2/preview.png" } ], "eprint_id": 2953, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5321" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5321" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5321" } ] } }, { "id": "/id/document/84074", "doc_id": 84074, "rev_number": 3, "files": [ { "id": "/id/file/238255", "fileid": 238255, "datasetid": "document", "objectid": 84074, "filename": "Gortsema-Steven-ok-11062017.txt", "mime_type": "message/rfc822\\0117bit", "hash": "7c36c7b94a0ff9a480b3d6886f2c446a", "hash_type": "MD5", "filesize": 465, "mtime": "2017-11-09 16:57:24", "url": "/2953/3/Gortsema-Steven-ok-11062017.txt" } ], "eprint_id": 2953, "pos": 3, "placement": 3, "mime_type": "message/rfc822\\0117bit", "format": "text/plain", "format_desc": "author-ok-11062017.txt", "language": "en", "security": "internal", "license": "other", "main": "Gortsema-Steven-ok-11062017.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/29/53", "datestamp": "2007-08-02", "lastmod": "2019-12-21 02:15:56", "status_changed": "2009-09-25 02:47:57", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "Steven.Gortsema@ge.com", "id": "Gortsema-Steven-Craig", "name": { "family": "Gortsema", "given": "Steven Craig" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of the Failure of a Stepped Composite Plate", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The progression of damage in a stepped composite plate has been investigated experimentally. This study is intended to provide insight into the failure behavior of co-cured, stringer-reinforced composite plates and shells. The specimens were constructed of four different lay-ups of carbon-fiber-reinforced epoxy and were subjected to various combinations of moment, tension, and shear static loadings.
\r\n\r\nThe primary means of damage observation was in situ microscopic inspection of the specimen edges. These observations were supplemented by penetrant-dye inspection, microscopic inspection of the plate face, and ultrasonic C-scanning of specimens which were unloaded prior to catastrophic failure. In addition to providing detailed descriptions of the damage development, this thesis presents hypotheses which attempt to explain the mechanisms involved in the failure process.
\r\n\r\nThe immediate goal of this work was to gather the experimental evidence needed to evaluate a recently proposed failure criterion. The criterion attempts to predict failure for an arbitrary lay-up by studying the behavior of the computed stresses within an extremely small vicinity of the singularity. The tests described in this thesis revealed that damage initiation does not always occur on the plate-stringer interface, as assumed in the failure criterion. Furthermore, it was discovered that in some lay-ups, damage initiates at a distance of over one lamina thickness away from the singularity. This fact makes it impossible to predict failure accurately with any criterion which is based solely on a computed stress singularity.
", "date": "1992", "date_type": "degree", "id_number": "CaltechETD:etd-07202007-110435", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07202007-110435", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "suggestions": "Gortsema, Steven (GE Aviation, US)The purpose of this study is to gain a better understanding of the nonlinear stall-spin phenomenon through numerical analysis and interactive 3-D graphics.
\r\n\r\nThe linear aerodynamic range was thoroughly examined for the NAVION, a light aviation aircraft. Nonlinear aerodynamic behavior was modeled by adding nonlinearities to the lift, pitching and rolling moments. The results of this analysis are promising; however, a more sophisticated model is needed to fully simulate the stall-spin phenomenon.
\r\n\r\nA graphic tool is described which allows the user to interact with the simulation process. This gives the user a \"feel\" for the dynamics of aircraft and effectively displays the characteristic features of the dynamic model.
\r\n", "date": "1986", "date_type": "degree", "id_number": "CaltechETD:etd-03242008-113141", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03242008-113141", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-04-04", "doi": "10.7907/SFMF-Z114", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Culick-F-E-C", "name": { "family": "Culick", "given": "Fred E. C." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Culick-F-E-C", "name": { "family": "Culick", "given": "Fred E. C." }, "role": "chair" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "member" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-03-24", "thesis_defense_date": "1985-12-01", "thesis_approved_date": "2008-04-04", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1986", "author_list": "Dubois, Pascale C." }, { "id": "/id/eprint/4482", "eprint_id": 4482, "rev_number": 7, "documents": [ { "id": "/id/document/7290", "doc_id": 7290, "rev_number": 3, "files": [ { "id": "/id/file/44467", "fileid": 44467, "datasetid": "document", "objectid": 7290, "filename": "Kawasaki_k_1986.pdf", "mime_type": "application/pdf", "filesize": 3714675, "mtime": "2012-12-26 03:09:05", "url": "/4482/1/Kawasaki_k_1986.pdf" } ], "eprint_id": 4482, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kawasaki_k_1986.pdf", "language": "en", "security": "public", "license": "other", "main": "Kawasaki_k_1986.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23819" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23819" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23819" } ] } }, { "id": "/id/document/23819", "doc_id": 23819, "rev_number": 3, "files": [ { "id": "/id/file/44465", "fileid": 44465, "datasetid": "document", "objectid": 23819, "filename": "preview.png", "mime_type": "image/png", "hash": "ae6c761a4f7c12682a06e9587b71a950", "hash_type": "MD5", "filesize": 8416, "mtime": "2012-12-26 03:09:05", "url": "/4482/2/preview.png" } ], "eprint_id": 4482, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7290" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7290" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7290" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/44/82", "datestamp": "2007-12-05", "lastmod": "2021-04-16 23:22:01", "status_changed": "2009-09-25 03:19:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kawasaki-K", "name": { "family": "Kawasaki", "given": "Kazunori" }, "show_email": "NO" } ] }, "title": "Monte Carlo calculation of the flow of granular materials", "ispublished": "unpub", "full_text_status": "public", "abstract": "The flow of granular materials has been investigated theoretically using the Direct Simulation Monte Carlo (DSMC) method for rarefied gas flows implemented on the Caltech concurrent 64-node Cosmic Cube computer. A fundamental understanding of the behavior of a heavily loaded gas under conditions for which collisions among the solid particles suspended in the gas are frequent is very important for a variety of problems, e.g., grain explosions and the performance of metallized solid-propellant rockets. At one extreme of particulate flow (granular material flow), the effect of the interstitial fluid is negligible. In particular, the numerical method has been applied to the problem of sedimentation and channel flow.\n\nBird's method has been applied to granular material flows by using a hard, rough-sphere particle model and introducing restitution and slip coefficients for particle-particle and particle-boundary collisions, respectively. In the DSMC method, physical space is divided into many cells, each containing several simulated particles. The distance between particles is much greater than the particle diameter. Using the concurrent computer, cells are assigned singly or in groups to individual processors (nodes). Calculations of particle-particle collisions are carried out locally by each node and information is communicated between adjacent nodes. Using the concurrent computer has enabled powerful computational ability to be brought to bear on the DSMC calculation.\n\n For a gas sedimentation calculation simulating the gravitational collapse of a uniform atmosphere, significant thermal and wave effects are observed. For flow in a channel at Mach number 2.76 and Reynolds number 32.6, differences are observed between the behavior of granular material flow and gas flow. For both cases significant \"slip\" at the wall is observed. For the flow of granular material, the boundary layer is thin and the velocity reduction near the wall is small.", "date": "1986", "date_type": "degree", "id_number": "CaltechETD:etd-11092007-110816", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11092007-110816", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-12-05", "doi": "10.7907/6b67-x610", "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_committee": { "items": [ { "id": "Sturtevant-B", "name": { "family": "Sturtevant", "given": "Bradford" }, "role": "chair" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-11-09", "thesis_defense_date": "1985-10-05", "thesis_approved_date": "2007-12-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1986", "author_list": "Kawasaki, Kazunori" }, { "id": "/id/eprint/5112", "eprint_id": 5112, "rev_number": 12, "documents": [ { "id": "/id/document/8104", "doc_id": 8104, "rev_number": 2, "files": [ { "id": "/id/file/49882", "fileid": 49882, "datasetid": "document", "objectid": 8104, "filename": "Lim_cs_1984.pdf", "mime_type": "application/pdf", "filesize": 4162533, "mtime": "2012-12-26 03:14:58", "url": "/5112/1/Lim_cs_1984.pdf" } ], "eprint_id": 5112, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lim_cs_1984.pdf", "language": "en", "security": "public", "license": "other", "main": "Lim_cs_1984.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24609" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24609" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24609" } ] } }, { "id": "/id/document/16180", "doc_id": 16180, "rev_number": 3, "files": [ { "id": "/id/file/204524", "fileid": 204524, "datasetid": "document", "objectid": 16180, "filename": "Lim_Christopher_1984.txt", "mime_type": "text/plain", "filesize": 1474, "mtime": "2016-08-22 21:17:46", "url": "/5112/2/Lim_Christopher_1984.txt" } ], "eprint_id": 5112, "pos": 2, "format": "text/plain", "language": "en", "security": "internal", "license": "other", "main": "Lim_Christopher_1984.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" }, { "id": "/id/document/24609", "doc_id": 24609, "rev_number": 2, "files": [ { "id": "/id/file/49880", "fileid": 49880, "datasetid": "document", "objectid": 24609, "filename": "preview.png", "mime_type": "image/png", "hash": "933920d576de66b6d6ed004cb149d5fa", "hash_type": "MD5", "filesize": 9213, "mtime": "2012-12-26 03:14:58", "url": "/5112/3/preview.png" } ], "eprint_id": 5112, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8104" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8104" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8104" } ] } }, { "id": "/id/document/124788", "doc_id": 124788, "rev_number": 1, "files": [ { "id": "/id/file/370218", "fileid": 370218, "datasetid": "document", "objectid": 124788, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "99b2db06050695040fcff895df0626a1", "hash_type": "MD5", "filesize": 756, "mtime": "2021-06-23 23:54:17", "url": "/5112/4/indexcodes.txt" } ], "eprint_id": 5112, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from text/plain to indexcodes", "language": "en", "security": "internal", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/16180" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/16180" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/16180" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/12", "datestamp": "2007-01-05", "lastmod": "2022-08-11 17:52:17", "status_changed": "2009-09-25 03:33:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "christopher.s.lim@jpl.nasa.gov", "id": "Lim-Christopher-Sy", "name": { "family": "Lim", "given": "Christopher Sy" }, "show_email": "NO" } ] }, "title": "I. Mixing in Doorway Flows. II. Entrainment in Fire Plumes", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineer)", "abstract": "The motion of hot combustion products through a burning structure plays a dominant role in fixing the spread of the fire and the spread of toxic gases. The first part of this report is concerned with the effect of door geometry on the rate of turbulent mixing between the hot and cold layers near a doorway. The second part of the report deals with the entrainment rates in the near field of a buoyant diffusion methane flame.\r\n\r\nIn the study of the motion of the hot combustion products near a doorway, the gas in the burning room is assumed to be divided into two homogeneous layers--the ceiling layer which contains the hot combustion products and the floor layer which contains the denser fresh air. Temperature and carbon dioxide measurements are taken from a half-scale room which uses a pump and furnace to simulate the entrainment and heating of the fresh air by the fire plume. The mass transfer rates are calculated from these measurements and are found to be a function of a Richardson number that uses the interface height measured from the floor as the characteristic length and the average inflow velocity of fresh air as the characteristic velocity. This form for Ri(0) is derived from an analysis based on Taylor's entrainment hypothesis. For a given fire size, i.e., for a given mass flow of fresh air into the room, the effect of reducing the door area is to reduce the value of Ri(0), and hence increase the mixing rate in the room. The door height is found to be a much stronger influence on the mixing rate and interface height than the door width.\r\n\r\nThe entrainment rates of fresh air in the near field of a buoyant diffusion methane flame whose flames extend well above the interface between the hot gas layer and the fresh air layer are measured for several interface heights. In the experiments, the ceiling layer-fire plume interaction is simulated by placing a large steel hood over an axisymmetric burner. The hood may be raised or lowered to change the interface height. The entrainment measurements are obtained from a chemical analysis of a dried sample of combustion products taken from the ceiling layer. The measured species concentrations are compared with the theoretical equilibrium composition of the ceiling layer gas. For a given interface height, the ceiling layer gas temperature is found to be a linear function of the fuel-air ratio up to the stoichiometric fuel-air ratio. Increasing the fuel-air ratio above the stoichiometric value did not change the gas temperature significantly. This maximum temperature is observed to decrease with interface height. The air entrainment rates are found to be a weak function of the fuel-air ratio at very low elevations of the interface.", "date": "1984", "date_type": "degree", "id_number": "CaltechETD:etd-12212006-153204", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212006-153204", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-01-05", "doi": "10.7907/MWGY-CY05", "alt_title": { "items": [ "Mixing in Doorway Flows", "Entrainment in Fire Plumes" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-12-21", "thesis_defense_date": "1984-04-30", "thesis_approved_date": "2007-01-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1984", "author_list": "Lim, Christopher Sy" }, { "id": "/id/eprint/2542", "eprint_id": 2542, "rev_number": 10, "documents": [ { "id": "/id/document/4801", "doc_id": 4801, "rev_number": 2, "files": [ { "id": "/id/file/27760", "fileid": 27760, "datasetid": "document", "objectid": 4801, "filename": "Chang_sky_1983.pdf", "mime_type": "application/pdf", "filesize": 4643223, "mtime": "2012-12-26 02:52:28", "url": "/2542/1/Chang_sky_1983.pdf" } ], "eprint_id": 2542, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chang_sky_1983.pdf", "language": "en", "security": "public", "license": "other", "main": "Chang_sky_1983.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21353" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21353" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21353" } ] } }, { "id": "/id/document/21353", "doc_id": 21353, "rev_number": 2, "files": [ { "id": "/id/file/27758", "fileid": 27758, "datasetid": "document", "objectid": 21353, "filename": "preview.png", "mime_type": "image/png", "hash": "0ca5f8dc6d024bc9af47722450eeb8e7", "hash_type": "MD5", "filesize": 11280, "mtime": "2012-12-26 02:52:28", "url": "/2542/2/preview.png" } ], "eprint_id": 2542, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4801" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4801" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4801" } ] } }, { "id": "/id/document/123029", "doc_id": 123029, "rev_number": 1, "files": [ { "id": "/id/file/368436", "fileid": 368436, "datasetid": "document", "objectid": 123029, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "cbbc1a02505abc88b5f72b6dab3e6626", "hash_type": "MD5", "filesize": 10617, "mtime": "2021-06-23 22:16:25", "url": "/2542/3/indexcodes.txt" } ], "eprint_id": 2542, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4801" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4801" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/4801" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/25/42", "datestamp": "2005-06-10", "lastmod": "2019-12-21 04:04:43", "status_changed": "2009-09-25 02:40:05", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chang-Samuel-Kwang-Yeh", "name": { "family": "Chang", "given": "Samuel Kwang Yeh" }, "show_email": "NO" } ] }, "title": "Crack Propagation in Viscoelastic Materials under Transient Loading with Application to Adhesively Bonded Structures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Mehod of Caustics", "abstract": "Linear viscoelasticity theory is applied to the fatigue problem of solids sensitive to the deformation rate. A series of experiments have been performed to investigate the range of applicability in whch the theory is valid and to examine the accuracy of the theory. The experimental results are compared with an existing theory.", "date": "1984", "date_type": "degree", "id_number": "CaltechETD:etd-06102005-155309", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06102005-155309", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-06-10", "doi": "10.7907/ZHV3-TK46", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-06-10", "thesis_defense_date": "1983-12-01", "thesis_approved_date": "2005-06-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1984", "author_list": "Chang, Samuel Kwang Yeh" }, { "id": "/id/eprint/3354", "eprint_id": 3354, "rev_number": 9, "documents": [ { "id": "/id/document/5876", "doc_id": 5876, "rev_number": 3, "files": [ { "id": "/id/file/34907", "fileid": 34907, "datasetid": "document", "objectid": 5876, "filename": "Magaldi_t_1983.pdf", "mime_type": "application/pdf", "filesize": 10867749, "mtime": "2012-12-26 02:59:18", "url": "/3354/1/Magaldi_t_1983.pdf" } ], "eprint_id": 3354, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Magaldi_t_1983.pdf", "language": "en", "security": "public", "license": "other", "main": "Magaldi_t_1983.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22416" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22416" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22416" } ] } }, { "id": "/id/document/22416", "doc_id": 22416, "rev_number": 3, "files": [ { "id": "/id/file/34905", "fileid": 34905, "datasetid": "document", "objectid": 22416, "filename": "preview.png", "mime_type": "image/png", "hash": "7bab04e0b5b134feabe05a72c7c10e75", "hash_type": "MD5", "filesize": 9013, "mtime": "2012-12-26 02:59:18", "url": "/3354/2/preview.png" } ], "eprint_id": 3354, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5876" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5876" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5876" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/33/54", "datestamp": "2006-09-18", "lastmod": "2021-04-16 22:16:17", "status_changed": "2009-09-25 02:57:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Magaldi-T", "name": { "family": "Magaldi", "given": "Tony" }, "show_email": "NO" } ] }, "title": "Low velocity impact damage and its propagation under compressive load in curved, graphite/epoxy panels", "ispublished": "unpub", "full_text_status": "public", "abstract": "An experimental study was conducted to investigate the influence of plate curvature on low-velocity impact damage and its propagation under compressive load in thick, Graphite/Epoxy laminates. High-speed photography coupled with the oblique-shadow moire technique indicates that initial impact damage and its subsequent propagation through delamination buckling act as separate mechanisms during the catastrophic failure process.\n\nResults of an initial-postbuckling analysis for the buckling of thin cylindrical plates in axial compression were used to assess the effect of plate curvature on the conditions necessary for delamination buckling. Although curvature was found to increase the buckling load at the expense of a greater imperfection sensitivity, the effect is insignificant in thin shells if the plate width (i.e. initial delamination width) is small compared to the plate's radius.\n\nWhen compared with the experimental and analytic findings of similar studies involving flat Gr/Ep laminates, results reveal that the 15 inch plate radius used for this series of experiments had a negligible influence on the inital damage and delamination propagation mechanisms.\n", "date": "1983", "date_type": "degree", "id_number": "CaltechETD:etd-09062006-082416", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09062006-082416", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-09-18", "doi": "10.7907/ekat-8g08", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-09-06", "thesis_defense_date": "1982-08-01", "thesis_approved_date": "2006-09-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1983", "author_list": "Magaldi, Tony" }, { "id": "/id/eprint/3933", "eprint_id": 3933, "rev_number": 9, "documents": [ { "id": "/id/document/6587", "doc_id": 6587, "rev_number": 3, "files": [ { "id": "/id/file/39726", "fileid": 39726, "datasetid": "document", "objectid": 6587, "filename": "Doan_pt_1981.pdf", "mime_type": "application/pdf", "filesize": 1654054, "mtime": "2012-12-26 03:04:06", "url": "/3933/1/Doan_pt_1981.pdf" } ], "eprint_id": 3933, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Doan_pt_1981.pdf", "language": "en", "security": "public", "license": "other", "main": "Doan_pt_1981.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23119" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23119" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23119" } ] } }, { "id": "/id/document/23119", "doc_id": 23119, "rev_number": 3, "files": [ { "id": "/id/file/39724", "fileid": 39724, "datasetid": "document", "objectid": 23119, "filename": "preview.png", "mime_type": "image/png", "hash": "45578b7e05f36ab4993632016de85bd2", "hash_type": "MD5", "filesize": 8485, "mtime": "2012-12-26 03:04:06", "url": "/3933/2/preview.png" } ], "eprint_id": 3933, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6587" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6587" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6587" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/39/33", "datestamp": "2006-10-13", "lastmod": "2021-04-16 23:29:38", "status_changed": "2009-09-25 03:08:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Doan-P-T", "name": { "family": "Doan", "given": "Phuc The" }, "show_email": "NO" } ] }, "title": "Computing the development of disturbances in the Blasius boundary layer due to localized unsteady two-dimensional wall injection", "ispublished": "unpub", "full_text_status": "public", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\n\nThe localized unsteady two-dimensional wall injection of fluid into the Blasius boundary layer was mathematically modeled as a mixed initial-value boundary-value problem. Here the magnitude of the initial disturbance was sufficiently small so that the problem was linear. For the case of parallel mean flow, detailed formulation was discussed, and then, as an illustration, the problem of instantaneous blowing through a narrow slit in the wall was specifically analyzed and computed at a Reynolds number based on displacement thickness of 750 with the result showing a wave packet traveling at .44 times the speed of the freestream, amplifying like [...], spreading like 0.1x, where x is the distance from the slit, and eventually containing only frequencies whose imaginary parts lie between 0.009 and -0.010. To account for the effect of the boundary layer growth on the evolution of the disturbance, a perturbation method based on the idea of multiple scales was presented.", "date": "1981", "date_type": "degree", "id_number": "CaltechETD:etd-10052006-115727", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10052006-115727", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-10-13", "doi": "10.7907/bt7y-zn32", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-10-05", "thesis_defense_date": "1981-05-04", "thesis_approved_date": "2006-10-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1981", "author_list": "Doan, Phuc The" }, { "id": "/id/eprint/4020", "eprint_id": 4020, "rev_number": 9, "documents": [ { "id": "/id/document/6688", "doc_id": 6688, "rev_number": 3, "files": [ { "id": "/id/file/40454", "fileid": 40454, "datasetid": "document", "objectid": 6688, "filename": "Mullainathan_m_1980.pdf", "mime_type": "application/pdf", "filesize": 2370220, "mtime": "2012-12-26 03:04:48", "url": "/4020/1/Mullainathan_m_1980.pdf" } ], "eprint_id": 4020, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mullainathan_m_1980.pdf", "language": "en", "security": "public", "license": "other", "main": "Mullainathan_m_1980.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23222" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23222" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23222" } ] } }, { "id": "/id/document/23222", "doc_id": 23222, "rev_number": 3, "files": [ { "id": "/id/file/40452", "fileid": 40452, "datasetid": "document", "objectid": 23222, "filename": "preview.png", "mime_type": "image/png", "hash": "fdc68ab6c31b44d3fe0fecee7751d90c", "hash_type": "MD5", "filesize": 10622, "mtime": "2012-12-26 03:04:48", "url": "/4020/2/preview.png" } ], "eprint_id": 4020, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6688" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6688" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6688" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/40/20", "datestamp": "2006-10-27", "lastmod": "2021-04-16 23:31:17", "status_changed": "2009-09-25 03:09:54", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mullainathan-M", "name": { "family": "Mullainathan", "given": "M." }, "show_email": "NO" } ] }, "title": "Finite-difference solution of steady two-dimensional boundary-layer equations with heat transfer", "ispublished": "unpub", "full_text_status": "public", "abstract": "The incompressible boundary layer equations in two dimensions, with heat transfer have been solved numerically using three different methods and the results are compared. All three methods solve these equations when the pressure distribution is prescribed on the boundary, suction or blowing at the wall and the temperature distribution at the wall. The first method is the second-order Keller's box scheme and the second method is the fourth-order scheme using the Euler-Maclurin formula to replace an integral. The proposed third scheme is also a fourth-order scheme which uses a four point formula to replace an integral. All these schemes use a variable mesh in both coordinates. When the truncation error is specified the first scheme chooses an optimum spacing in the direction normal to the wall.", "date": "1980", "date_type": "degree", "id_number": "CaltechETD:etd-10102006-134715", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10102006-134715", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-10-27", "doi": "10.7907/rawg-2g03", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-10-10", "thesis_defense_date": "1979-10-02", "thesis_approved_date": "2006-10-27", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1980", "author_list": "Mullainathan, M." }, { "id": "/id/eprint/5154", "eprint_id": 5154, "rev_number": 9, "documents": [ { "id": "/id/document/8154", "doc_id": 8154, "rev_number": 3, "files": [ { "id": "/id/file/50226", "fileid": 50226, "datasetid": "document", "objectid": 8154, "filename": "Nomoto_h_1980.pdf", "mime_type": "application/pdf", "filesize": 2005559, "mtime": "2012-12-26 03:15:19", "url": "/5154/1/Nomoto_h_1980.pdf" } ], "eprint_id": 5154, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Nomoto_h_1980.pdf", "language": "en", "security": "public", "license": "other", "main": "Nomoto_h_1980.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24657" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24657" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24657" } ] } }, { "id": "/id/document/24657", "doc_id": 24657, "rev_number": 3, "files": [ { "id": "/id/file/50224", "fileid": 50224, "datasetid": "document", "objectid": 24657, "filename": "preview.png", "mime_type": "image/png", "hash": "b4b6e5c3e3b68633b64d42c1799c54bf", "hash_type": "MD5", "filesize": 8598, "mtime": "2012-12-26 03:15:19", "url": "/5154/2/preview.png" } ], "eprint_id": 5154, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8154" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8154" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8154" } ] } }, { "id": "/id/document/124828", "doc_id": 124828, "rev_number": 1, "files": [ { "id": "/id/file/370258", "fileid": 370258, "datasetid": "document", "objectid": 124828, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "9de07702d99b474181a003bb55d99236", "hash_type": "MD5", "filesize": 10189, "mtime": "2021-06-23 23:55:49", "url": "/5154/3/indexcodes.txt" } ], "eprint_id": 5154, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8154" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8154" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8154" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/54", "datestamp": "2005-12-29", "lastmod": "2021-04-16 22:57:21", "status_changed": "2009-09-25 03:34:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Nomoto-H", "name": { "family": "Nomoto", "given": "Hideki" }, "show_email": "NO" } ] }, "title": "Acoustic waves generated by vortex shedding", "ispublished": "unpub", "full_text_status": "public", "abstract": "An internal flow self-sustained oscillation system, which consists of a two-dimensional duct and a pair of baffles inside, is investigated experimentally. This system produces a high amplitude pure tone when certain flow and geometrical conditions are satisfied. The frequency of this generated tone seems to be determined by the longitudinal acoustic modes of the duct, while the dependence of pure tone production on flow and geometrical conditions seems to be related to the interaction between vortex shedding and acoustic feed back mechanism.\n\nSome features on self-sustained oscillation systems are reviewed briefly and Rossiter's idea on the cavity tone system is applied for interpretation of the mechanism of the pure tone production.\n\nFlow visualization shows stable vortical structure of the flow between the baffles when a pure tone is produced.", "date": "1980", "date_type": "degree", "id_number": "CaltechETD:etd-12282005-110713", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12282005-110713", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/ghk0-az55", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Culick-F-E-C", "name": { "family": "Culick", "given": "Fred E. C." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-28", "thesis_defense_date": "1980-05-01", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1980", "author_list": "Nomoto, Hideki" }, { "id": "/id/eprint/4360", "eprint_id": 4360, "rev_number": 9, "documents": [ { "id": "/id/document/7127", "doc_id": 7127, "rev_number": 3, "files": [ { "id": "/id/file/43415", "fileid": 43415, "datasetid": "document", "objectid": 7127, "filename": "Rogers_pl_1979.pdf", "mime_type": "application/pdf", "filesize": 1821961, "mtime": "2012-12-26 03:07:54", "url": "/4360/1/Rogers_pl_1979.pdf" } ], "eprint_id": 4360, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rogers_pl_1979.pdf", "language": "en", "security": "public", "license": "other", "main": "Rogers_pl_1979.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23656" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23656" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23656" } ] } }, { "id": "/id/document/23656", "doc_id": 23656, "rev_number": 3, "files": [ { "id": "/id/file/43413", "fileid": 43413, "datasetid": "document", "objectid": 23656, "filename": "preview.png", "mime_type": "image/png", "hash": "8b6b1b4b3aa959d5d24043101d14051e", "hash_type": "MD5", "filesize": 10174, "mtime": "2012-12-26 03:07:54", "url": "/4360/2/preview.png" } ], "eprint_id": 4360, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7127" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7127" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7127" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/60", "datestamp": "2006-11-17", "lastmod": "2021-04-16 22:15:59", "status_changed": "2009-09-25 03:16:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rogers-P-L", "name": { "family": "Rogers", "given": "Philip Louis" }, "show_email": "NO" } ] }, "title": "Experimental investigation of second sound shock waves in liquid helium II", "ispublished": "unpub", "full_text_status": "public", "abstract": "Second sound shock waves in liquid helium II were studied experimentally using superconducting thin film detectors. The temperature waves were generated electrically using an evaporated thin film heater and the effects of variations in pulse power (input power to the heater as large as 150 Watts/cm(2)) and pulse duration (from less than 100 \u00b5sec to 10 msec) were examined. A number of different materials were tested for use as detectors with the best results obtained from evaporated gold on tin.\n\nQualitative agreement with Khalatnikov's theory was obtained; however, breakdown of the theoretical model was observed for heater input powers greater than 20 - 30 Watts/cm(2), in agreement with other known results. Quantitative data for shock strength, i.e., temperature amplitude, wave speed, and pulse power, were obtained. The critical counterflow velocities calculated from these data, w = 2.51 to 3.77 m/sec, indicate that heat fluxes at least an order of magnitude greater than those reported for steady channel flow can be transported using the pulsed techniques.\n", "date": "1979", "date_type": "degree", "id_number": "CaltechETD:etd-11012006-135258", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11012006-135258", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-11-17", "doi": "10.7907/y2bj-vw94", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-11-01", "thesis_defense_date": "1978-10-13", "thesis_approved_date": "2006-11-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1979", "author_list": "Rogers, Philip Louis" }, { "id": "/id/eprint/4327", "eprint_id": 4327, "rev_number": 11, "documents": [ { "id": "/id/document/7070", "doc_id": 7070, "rev_number": 3, "files": [ { "id": "/id/file/43053", "fileid": 43053, "datasetid": "document", "objectid": 7070, "filename": "Tangren_en_1978.pdf", "mime_type": "application/pdf", "filesize": 4762275, "mtime": "2012-12-26 03:07:30", "url": "/4327/1/Tangren_en_1978.pdf" } ], "eprint_id": 4327, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Tangren_en_1978.pdf", "language": "en", "security": "public", "license": "other", "main": "Tangren_en_1978.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23599" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23599" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23599" } ] } }, { "id": "/id/document/23599", "doc_id": 23599, "rev_number": 3, "files": [ { "id": "/id/file/43051", "fileid": 43051, "datasetid": "document", "objectid": 23599, "filename": "preview.png", "mime_type": "image/png", "hash": "5feda366be9a9bd6806a4a51585a00cd", "hash_type": "MD5", "filesize": 9151, "mtime": "2012-12-26 03:07:30", "url": "/4327/2/preview.png" } ], "eprint_id": 4327, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7070" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7070" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7070" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/27", "datestamp": "2006-11-09", "lastmod": "2021-04-16 23:22:16", "status_changed": "2009-09-25 03:16:06", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Tangren-E-N", "name": { "family": "Tangren", "given": "Ernst N." }, "show_email": "NO" } ] }, "title": "An experimental investigation of convective flows associated with room fires", "ispublished": "unpub", "full_text_status": "public", "abstract": "This thesis presents an experimental investigation of the fluid dynamic aspects of a room fire and the applicability of a theoretical model. The model, developed by Zukoski, considers a single room containing a point heat source with or without an opening to the outside. For the case of an opening the interest is in the height and density of the ceiling layer of hot air and combustion products. The case without an opening concerns itself with the time required to fill a room with smoke.\n\nWater was used as the fluid medium and a flow of salt brine represented the heat source. The experiments investigated the effects of fire strength, opening geometry, fire location and fire geometry for the open room case. For the closed room the movement of the ceiling layer interface and the general flow field were investigated.", "date": "1978", "date_type": "degree", "id_number": "CaltechETD:etd-10302006-095405", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10302006-095405", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-11-09", "doi": "10.7907/2d9y-x090", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-10-30", "thesis_defense_date": "1978-01-01", "thesis_approved_date": "2006-11-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1978", "author_list": "Tangren, Ernst N." }, { "id": "/id/eprint/4329", "eprint_id": 4329, "rev_number": 9, "documents": [ { "id": "/id/document/7072", "doc_id": 7072, "rev_number": 3, "files": [ { "id": "/id/file/43070", "fileid": 43070, "datasetid": "document", "objectid": 7072, "filename": "Ly_ul_1978.pdf", "mime_type": "application/pdf", "filesize": 1730101, "mtime": "2012-12-26 03:07:31", "url": "/4329/1/Ly_ul_1978.pdf" } ], "eprint_id": 4329, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ly_ul_1978.pdf", "language": "en", "security": "public", "license": "other", "main": "Ly_ul_1978.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23601" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23601" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23601" } ] } }, { "id": "/id/document/23601", "doc_id": 23601, "rev_number": 3, "files": [ { "id": "/id/file/43068", "fileid": 43068, "datasetid": "document", "objectid": 23601, "filename": "preview.png", "mime_type": "image/png", "hash": "6bb1619f01e2593d80dd5cdede105c6e", "hash_type": "MD5", "filesize": 10175, "mtime": "2012-12-26 03:07:31", "url": "/4329/2/preview.png" } ], "eprint_id": 4329, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7072" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7072" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7072" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/29", "datestamp": "2006-11-09", "lastmod": "2021-04-16 22:31:22", "status_changed": "2009-09-25 03:16:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ly-U", "name": { "family": "Ly", "given": "Uy-Loi" }, "show_email": "NO" } ] }, "title": "A direct method for designing optimal control systems that are insensitive to arbitrarily large changes in physical parameters", "ispublished": "unpub", "full_text_status": "public", "abstract": "A new concept has been developed for designing optimal feedback controllers that will be insensitive to given, arbitrarily large variations in physical parameters. The method uses as a single figure of merit the expected value of a quadratic performance index, the minimization of which determines directly (without trial and error) the desired set of feedback gains. These values of the feedback gains (where such exist) guarantee at the outset closed-loop stability for all possible values of physical parameters in the prescribed domain of uncertainty.\n\nThe new method extends the well known method for the optimal regulator design where physical parameters have single, precisely known values, to the case where they may have a range of values. In addition, it encompasses (as a special case) the Minimax design developed also for handling systems whose physical parameters may have a range of values (which the Minimax explores by trial and error while the new method accounts automatically for the entire range).\n\nAn essential feature of the new procedure is that it includes exactly in its cost criterion whatever effects accompany large departures in the plant parameters from their nominal values. This is why the new method is able to guarantee stability over the whole range of parameter values, where perturbation techniques are not.\n\nThe feasibility and usefulness of the new design technique are illustrated by numerical examples in which control systems are designed for second-order plants each of whose parameters may have a given range of values. Comparisons which results using standard optimal design and the Minimax technique are given.\n\nApplication to high-order systems will need to be accompanied by further development of appropriate computational procedures.", "date": "1978", "date_type": "degree", "id_number": "CaltechETD:etd-10302006-142840", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10302006-142840", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-11-09", "doi": "10.7907/z992-rx27", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Cannon-R-H", "name": { "family": "Cannon", "given": "Robert H." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-10-30", "thesis_defense_date": "1977-08-22", "thesis_approved_date": "2006-11-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1978", "author_list": "Ly, Uy-Loi" }, { "id": "/id/eprint/4776", "eprint_id": 4776, "rev_number": 8, "documents": [ { "id": "/id/document/7653", "doc_id": 7653, "rev_number": 2, "files": [ { "id": "/id/file/46923", "fileid": 46923, "datasetid": "document", "objectid": 7653, "filename": "Toda_s_1975.pdf", "mime_type": "application/pdf", "filesize": 1755717, "mtime": "2012-12-26 03:11:42", "url": "/4776/1/Toda_s_1975.pdf" } ], "eprint_id": 4776, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Toda_s_1975.pdf", "language": "en", "security": "public", "license": "other", "main": "Toda_s_1975.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24172" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24172" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24172" } ] } }, { "id": "/id/document/24172", "doc_id": 24172, "rev_number": 2, "files": [ { "id": "/id/file/46921", "fileid": 46921, "datasetid": "document", "objectid": 24172, "filename": "preview.png", "mime_type": "image/png", "hash": "f84a4419623ac0e4c54530c0d4f51459", "hash_type": "MD5", "filesize": 10824, "mtime": "2012-12-26 03:11:42", "url": "/4776/2/preview.png" } ], "eprint_id": 4776, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7653" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7653" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7653" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/76", "datestamp": "2006-12-20", "lastmod": "2019-12-20 20:02:08", "status_changed": "2009-09-25 03:25:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Toda-S", "name": { "family": "Toda", "given": "Susumu" }, "show_email": "NO" } ] }, "title": "The effects of elliptic and rectangular cutouts on the buckling of cylindrical shells loaded by axial compression", "ispublished": "unpub", "full_text_status": "public", "abstract": "The results of experimental investigations of the effect of elliptic cutouts on the buckling of thin cylindrical shells under axial compression are presented. The experiments were performed on Mylar shells with a radius to thickness ratio of 400 and with two diametrically opposed circular, elliptic or rectangular holes. The results show that, for a given shell geometry, the area of a cutout determined the shell buckling behavior, but that the configuration of the cutout had little influence on the buckling loads.\n\nA simplified analytical study based on Van Dyke's stress analysis and a strictly empirical design formula which gives a lower bound for the existing experimental data are also presented.", "date": "1975", "date_type": "degree", "id_number": "CaltechETD:etd-12042006-090542", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12042006-090542", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-12-20", "doi": "10.7907/473V-C743", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "chair" }, { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "member" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-12-04", "thesis_defense_date": "1974-08-13", "thesis_approved_date": "2006-12-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1975", "author_list": "Toda, Susumu" }, { "id": "/id/eprint/6067", "eprint_id": 6067, "rev_number": 16, "documents": [ { "id": "/id/document/11363", "doc_id": 11363, "rev_number": 4, "files": [ { "id": "/id/file/75242", "fileid": 75242, "datasetid": "document", "objectid": 11363, "filename": "Bremmer_df_1975.pdf", "mime_type": "application/pdf", "filesize": 1209015, "mtime": "2012-12-26 04:30:41", "url": "/6067/1/Bremmer_df_1975.pdf" } ], "eprint_id": 6067, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Bremmer_df_1975.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27013" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27013" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27013" } ] } }, { "id": "/id/document/11364", "doc_id": 11364, "rev_number": 3, "files": [ { "id": "/id/file/206133", "fileid": 206133, "datasetid": "document", "objectid": 11364, "filename": "Bremmer_df_1975.zip", "mime_type": "application/zip", "filesize": 2696460, "mtime": "2016-08-22 21:20:57", "url": "/6067/2/Bremmer_df_1975.zip" } ], "eprint_id": 6067, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Bremmer_df_1975.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27013", "doc_id": 27013, "rev_number": 2, "files": [ { "id": "/id/file/75240", "fileid": 75240, "datasetid": "document", "objectid": 27013, "filename": "preview.png", "mime_type": "image/png", "hash": "bb89480433063d6ba7844feab5e61551", "hash_type": "MD5", "filesize": 10718, "mtime": "2012-12-26 04:30:41", "url": "/6067/3/preview.png" } ], "eprint_id": 6067, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11363" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11363" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11363" } ] } }, { "id": "/id/document/126186", "doc_id": 126186, "rev_number": 1, "files": [ { "id": "/id/file/371620", "fileid": 371620, "datasetid": "document", "objectid": 126186, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "2e7632d11e46fbf182097342ce591231", "hash_type": "MD5", "filesize": 8552, "mtime": "2021-06-24 00:37:18", "url": "/6067/4/indexcodes.txt" } ], "eprint_id": 6067, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11363" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11363" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11363" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/67", "datestamp": "2010-09-28 18:44:25", "lastmod": "2019-12-21 01:39:25", "status_changed": "2010-09-28 18:44:25", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bremmer-D-F", "name": { "family": "Bremmer", "given": "David Franklin" }, "show_email": "NO" } ] }, "title": "An efficient approximate solution method for predicting the buckling of axially compressed imperfect cylindrical shells", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": " A theoretical investigation of an efficient numerical solution scheme to solve approximately the nonlinear Donnell equations for imperfect isotropic cylindrical shells with edge restraints and under axial compression was carried out.\r\n\r\n The nonlinear partial differential equations have been reduced to an equivalent set of nonlinear ordinary differential equations. The resulting two-point boundary value problem was solved, first, by using \"Newton's Method of Quasilinearization\" to obtain a set of linearized differential equations for the correction terms and, secondly, these differentials were approximated as finite differences to cast the linearized system of equations into the form of a block tridiagonal matrix equation. The Potters' Method solution scheme was used to solve efficiently the block tridiagonal matrix equation. By successive iterations a solution to the set of nonlinear ordinary differential equations was obtained.\r\n\r\n The use of this method makes it possible to investigate how the axial load level at the limit point is affected by the following factors: the choice of inplane boundary conditions, the prebuckling growth caused by the radial edge constraint, the orientation and shape of the axisymmetric and asymmetric imperfection components, and the finite length of the shell.", "date": "1975", "date_type": "degree", "id_number": "CaltechTHESIS:09282010-112038866", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09282010-112038866", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "National Science Foundation", "grant_number": "GK 16934" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-09-28 18:44:25", "doi": "10.7907/S3M9-NT50", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1975-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1975", "author_list": "Bremmer, David Franklin" }, { "id": "/id/eprint/4314", "eprint_id": 4314, "rev_number": 9, "documents": [ { "id": "/id/document/7057", "doc_id": 7057, "rev_number": 2, "files": [ { "id": "/id/file/42960", "fileid": 42960, "datasetid": "document", "objectid": 7057, "filename": "Hoeijmakers_hwm_1974.pdf", "mime_type": "application/pdf", "filesize": 5298419, "mtime": "2012-12-26 03:07:25", "url": "/4314/1/Hoeijmakers_hwm_1974.pdf" } ], "eprint_id": 4314, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hoeijmakers_hwm_1974.pdf", "language": "en", "security": "public", "license": "other", "main": "Hoeijmakers_hwm_1974.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23586" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23586" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23586" } ] } }, { "id": "/id/document/23586", "doc_id": 23586, "rev_number": 2, "files": [ { "id": "/id/file/42958", "fileid": 42958, "datasetid": "document", "objectid": 23586, "filename": "preview.png", "mime_type": "image/png", "hash": "5b9831d72c36a9ef29ac575333b284e1", "hash_type": "MD5", "filesize": 9315, "mtime": "2012-12-26 03:07:25", "url": "/4314/2/preview.png" } ], "eprint_id": 4314, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7057" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7057" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7057" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/14", "datestamp": "2003-10-30", "lastmod": "2019-12-21 01:41:08", "status_changed": "2009-09-25 03:15:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hoeijmakers-H-W-M", "name": { "family": "Hoeijmakers", "given": "Hendrik Willem Marie" }, "show_email": "NO" } ] }, "title": "Effects of planform curvature in supersonic wings", "ispublished": "unpub", "full_text_status": "public", "abstract": "In this thesis a method is developed for calculating supersonic wings with curved subsonic leading edges. The linearized theory is used throughout the thesis.\r\n\r\nThe wing with the curved subsonic leading edges is transformed into a wing with straight subsonic leading edges by means of a transformation as used by Coene for quasi-homogeneous approximations to the solution of this problem. The Mach cone is invariant under the transformation.\r\n\r\nThe solution of the transformed Prandtl-Glauert equation is expressed in terms of Fenain's solutions for the delta wing. In general the solution is an infinite sum of terms, each term related to a solution for the delta wing. However, a condition is formulated under which certain families of wings with curved leading edges possess solutions in closed form. It is shown that any boundary value problem for such wings can be solved by the superposition of these exact solutions of the Prandtl-Glauert equation. The problem is thus reduced to determining the number of terms necessary to approximate the given boundary values within satisfactory bounds, and within a satisfactory region of the wing.\r\n\r\nOne family of wings with curved leading edges that has a solution in closed form is found. The flat plate with these leading edges is studied in detail. In order to find a reasonable approximation to the flat plate, in a satisfactory region of the wing, up to five solutions are superposed. It has been found that the curvature has a considerable effect on the perturbation velocity and the leading edge suction force. The leading edge suction force thus found is compared with that calculated by some other approximate methods.\r\n", "date": "1974", "date_type": "degree", "id_number": "CaltechETD:etd-10302003-092227", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10302003-092227", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-10-30", "doi": "10.7907/6DFV-0J65", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-10-30", "thesis_defense_date": "1974-05-31", "thesis_approved_date": "2003-10-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1974", "author_list": "Hoeijmakers, Hendrik Willem Marie" }, { "id": "/id/eprint/6044", "eprint_id": 6044, "rev_number": 24, "documents": [ { "id": "/id/document/11302", "doc_id": 11302, "rev_number": 4, "files": [ { "id": "/id/file/74853", "fileid": 74853, "datasetid": "document", "objectid": 11302, "filename": "Sidor_lb_1974.pdf", "mime_type": "application/pdf", "filesize": 35202970, "mtime": "2012-12-26 04:30:29", "url": "/6044/1/Sidor_lb_1974.pdf" } ], "eprint_id": 6044, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Sidor_lb_1974.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26995" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26995" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26995" } ] } }, { "id": "/id/document/11303", "doc_id": 11303, "rev_number": 4, "files": [ { "id": "/id/file/206111", "fileid": 206111, "datasetid": "document", "objectid": 11303, "filename": "Sidor_lb_1974.zip", "mime_type": "application/zip", "filesize": 39641533, "mtime": "2016-08-22 21:20:55", "url": "/6044/2/Sidor_lb_1974.zip" } ], "eprint_id": 6044, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Sidor_lb_1974.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26995", "doc_id": 26995, "rev_number": 2, "files": [ { "id": "/id/file/74851", "fileid": 74851, "datasetid": "document", "objectid": 26995, "filename": "preview.png", "mime_type": "image/png", "hash": "5ea72df99fb910df6ab0e5247039adc4", "hash_type": "MD5", "filesize": 10749, "mtime": "2012-12-26 04:30:28", "url": "/6044/3/preview.png" } ], "eprint_id": 6044, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11302" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11302" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11302" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/60/44", "datestamp": "2010-09-23 22:40:47", "lastmod": "2019-12-21 02:55:50", "status_changed": "2010-09-23 22:40:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sidor-S-B", "name": { "family": "Sidor", "given": "Laurent B." }, "show_email": "NO" } ] }, "title": "An investigation of the ejector-powered jet-flap", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The inviscid and incompressible potential flow aspects associated with a two-dimensional ejector-powered jet-flap configuration are investigated. The energy addition due to the mixing process in the ejector results in a non-homogeneous flow and is represented by an actuator disk located between the lifting surfaces and a powered\r\nwake. A set of singularities is developed to represent the lifting surfaces, to include camber and flap deflection, and the powered\r\nwake. A numerical procedure is used to compute the total system\r\nvorticity needed to satisfy exactly all the prescribed boundary conditions. The lift and moment coefficients are evaluated as a function of the head change prescribed across the actuator disk. A simple interpretation of the resulting lift curves is proposed in terms of analytical results obtained for single-airfoil configurations - a flat-plate airfoil and sink system, and a conventional single element jet flap. The sink effect of the actuator accounts for a finite lift at zero angle of attack, and the lift increment due to angle of attack only can be predicted by using Spence's theory of the jet flap.\r\n", "date": "1974", "date_type": "degree", "id_number": "CaltechTHESIS:09232010-143232435", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09232010-143232435", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-09-23 22:40:47", "doi": "10.7907/D5X4-X160", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1973-09-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1974", "author_list": "Sidor, Laurent B." }, { "id": "/id/eprint/6040", "eprint_id": 6040, "rev_number": 24, "documents": [ { "id": "/id/document/11297", "doc_id": 11297, "rev_number": 4, "files": [ { "id": "/id/file/74721", "fileid": 74721, "datasetid": "document", "objectid": 11297, "filename": "Masoni,_Jr._hj_1973.pdf", "mime_type": "application/pdf", "filesize": 5443937, "mtime": "2012-12-26 04:30:25", "url": "/6040/1/Masoni,_Jr._hj_1973.pdf" } ], "eprint_id": 6040, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Masoni,_Jr._hj_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26991" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26991" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26991" } ] } }, { "id": "/id/document/11298", "doc_id": 11298, "rev_number": 4, "files": [ { "id": "/id/file/206107", "fileid": 206107, "datasetid": "document", "objectid": 11298, "filename": "Masoni,_Jr._hj_1973.zip", "mime_type": "application/zip", "filesize": 10073577, "mtime": "2016-08-22 21:20:54", "url": "/6040/2/Masoni,_Jr._hj_1973.zip" } ], "eprint_id": 6040, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Masoni,_Jr._hj_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26991", "doc_id": 26991, "rev_number": 2, "files": [ { "id": "/id/file/74719", "fileid": 74719, "datasetid": "document", "objectid": 26991, "filename": "preview.png", "mime_type": "image/png", "hash": "62cc9edcd58ad79ca9e79b797e393f55", "hash_type": "MD5", "filesize": 10451, "mtime": "2012-12-26 04:30:25", "url": "/6040/3/preview.png" } ], "eprint_id": 6040, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11297" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11297" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11297" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/60/40", "datestamp": "2010-09-23 19:09:36", "lastmod": "2019-12-21 03:04:12", "status_changed": "2010-09-23 20:23:10", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Masoni-H-J", "name": { "family": "Masoni", "given": "Harry Joseph" }, "show_email": "NO" } ] }, "title": "A Communications satellite system design with educational television for the republic of Indonesia", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this thesis is to apply a feasible and comprehensive systems approach to the design and analysis of a communications satellite system with educational television for an underdeveloped country. The\r\nquestion of the effectiveness of educational television in concept is treated through revelation of historical evidence and case studies pertaining to existing educational television programs throughout the world. The\r\napplicability of blending educational television with a complete satellite communications system is illustrated through the detailed design of a system for the Republic of Indonesia. A system providing educational television, national television, and telephony is proposed and all systems elements and technical analyses are subsequently described. The economic viability of the system is illustrated through a detailed financial analysis\r\nwith both operating and cash flow results. Comparison of the proposed satellite system with an equivalent terrestrial system is briefly made in Appendix C, to demonstrate the cost-effectiveness of the satellite approach.\r\n", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:09232010-090107696", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09232010-090107696", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-09-23 19:09:36", "doi": "10.7907/W9SX-GB37", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Masoni, Harry Joseph" }, { "id": "/id/eprint/6046", "eprint_id": 6046, "rev_number": 18, "documents": [ { "id": "/id/document/11306", "doc_id": 11306, "rev_number": 4, "files": [ { "id": "/id/file/74873", "fileid": 74873, "datasetid": "document", "objectid": 11306, "filename": "Ditchey_rl_1973.pdf", "mime_type": "application/pdf", "filesize": 1777952, "mtime": "2012-12-26 04:30:30", "url": "/6046/1/Ditchey_rl_1973.pdf" } ], "eprint_id": 6046, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Ditchey_rl_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26996" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26996" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26996" } ] } }, { "id": "/id/document/11307", "doc_id": 11307, "rev_number": 3, "files": [ { "id": "/id/file/206112", "fileid": 206112, "datasetid": "document", "objectid": 11307, "filename": "Ditchey_rl_1973.zip", "mime_type": "application/zip", "filesize": 4254184, "mtime": "2016-08-22 21:20:55", "url": "/6046/2/Ditchey_rl_1973.zip" } ], "eprint_id": 6046, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Ditchey_rl_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26996", "doc_id": 26996, "rev_number": 2, "files": [ { "id": "/id/file/74871", "fileid": 74871, "datasetid": "document", "objectid": 26996, "filename": "preview.png", "mime_type": "image/png", "hash": "cb0aaa9d39caf861645df3ea7965fb14", "hash_type": "MD5", "filesize": 9209, "mtime": "2012-12-26 04:30:29", "url": "/6046/3/preview.png" } ], "eprint_id": 6046, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11306" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11306" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11306" } ] } }, { "id": "/id/document/126172", "doc_id": 126172, "rev_number": 1, "files": [ { "id": "/id/file/371606", "fileid": 371606, "datasetid": "document", "objectid": 126172, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "6c7612fef992a2f99dea189479f98eab", "hash_type": "MD5", "filesize": 17765, "mtime": "2021-06-24 00:36:19", "url": "/6046/4/indexcodes.txt" } ], "eprint_id": 6046, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11306" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11306" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11306" } ] } } ], "eprint_status": "archive", "userid": 104, "dir": "disk0/00/00/60/46", "datestamp": "2010-09-23 22:26:34", "lastmod": "2019-12-21 02:27:37", "status_changed": "2010-09-23 22:26:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ditchey-R-L", "name": { "family": "Ditchey", "given": "Robert L." }, "show_email": "NO" } ] }, "title": "The effect of imperfections on the buckling of thin walled cylindrical shells", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A theoretical study of the effect of imperfections on the buckling load of a circular cylindrical shell under axial compression was carried out. The nonlinear shell equations of Donnell are solved in an approximate manner using the Potential Energy Theorem. The method of derivation and the resulting algebraic equations are com-pared to previous derivations which use a different method of solution. It was found that the resulting equations are identical to the ones derived by Galerkin's procedure, lending credence to that method. A parametric study of an imperfection model was carried out numerically. The imperfection model is similar to that originally used by Donnell, having amplitude decay with increasing wave number. The results show the effect of various rates of decay of amplitude with wave number, as well as the effect of various assumed amplitudes. Using these parameters, it is shown when shell buckling is dominated by long wave imperfections as opposed to classical short wave imperfections. It was found that if the decay of asymmetric imperfections with axial wave number is sufficiently high, that long wave imperfections can dominate. In the range of values chosen for these parameters, changes in the axisymmetric imperfection model had little effect on buckling behavior as compared to the changes in sensitivity to long waves which occur as the asymmetric model is varied.", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:09232010-145835690", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09232010-145835690", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Dan Anguka", "deposited_on": "2010-09-23 22:26:34", "doi": "10.7907/TPE9-EM80", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1973-05-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Ditchey, Robert L." }, { "id": "/id/eprint/6047", "eprint_id": 6047, "rev_number": 16, "documents": [ { "id": "/id/document/11310", "doc_id": 11310, "rev_number": 4, "files": [ { "id": "/id/file/74891", "fileid": 74891, "datasetid": "document", "objectid": 11310, "filename": "Kendall_f_1973.pdf", "mime_type": "application/pdf", "filesize": 21757045, "mtime": "2012-12-26 04:30:30", "url": "/6047/1/Kendall_f_1973.pdf" } ], "eprint_id": 6047, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Kendall_f_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26997" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26997" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26997" } ] } }, { "id": "/id/document/11311", "doc_id": 11311, "rev_number": 4, "files": [ { "id": "/id/file/206113", "fileid": 206113, "datasetid": "document", "objectid": 11311, "filename": "Kendall_f_1973.zip", "mime_type": "application/zip", "filesize": 38087860, "mtime": "2016-08-22 21:20:55", "url": "/6047/2/Kendall_f_1973.zip" } ], "eprint_id": 6047, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Kendall_f_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26997", "doc_id": 26997, "rev_number": 2, "files": [ { "id": "/id/file/74889", "fileid": 74889, "datasetid": "document", "objectid": 26997, "filename": "preview.png", "mime_type": "image/png", "hash": "f00860621bc2ee1014f3e29ce977d95d", "hash_type": "MD5", "filesize": 11272, "mtime": "2012-12-26 04:30:30", "url": "/6047/3/preview.png" } ], "eprint_id": 6047, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11310" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11310" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11310" } ] } }, { "id": "/id/document/126173", "doc_id": 126173, "rev_number": 1, "files": [ { "id": "/id/file/371607", "fileid": 371607, "datasetid": "document", "objectid": 126173, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "b0ffe41fde97cf509e2e84f0cadfb30a", "hash_type": "MD5", "filesize": 11772, "mtime": "2021-06-24 00:36:21", "url": "/6047/4/indexcodes.txt" } ], "eprint_id": 6047, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11310" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11310" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11310" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/60/47", "datestamp": "2010-09-24 16:02:51", "lastmod": "2019-12-21 02:29:51", "status_changed": "2010-09-24 16:02:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kendall-F", "name": { "family": "Kendall", "given": "Frank" }, "show_email": "NO" } ] }, "title": "An experimental investigation of the nonlinear vibration of cylindrical shells", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An experimental investigation of the nonlinear vibrations of\r\ncylindrical shells was undertaken. An aluminum shell was vibrated by means of an induction shaker. An optical device was used to obtain radial displacement measurements. Several modes of vibration were studied in detail. Various nonlinear effects were observed. These included nonlinearity in the driven mode frequency response\r\ncurve, the participation of the companion mode, and the participation of axisymmetric response at twice the driven frequency. The experimental results indicated only a softening type nonlinearity. The response of the companion mode was significant in several of the modes studied and was of a more complex nature than was predicted by previous theoretical work.\r\n", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:09242010-083549862", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09242010-083549862", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Air Force Office of Scientific Research", "grant_number": "AFOSR 73-2447" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-09-24 16:02:51", "doi": "10.7907/Q4F6-C984", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1973-09-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Kendall, Frank" }, { "id": "/id/eprint/6011", "eprint_id": 6011, "rev_number": 28, "documents": [ { "id": "/id/document/92919", "doc_id": 92919, "rev_number": 3, "files": [ { "id": "/id/file/262264", "fileid": 262264, "datasetid": "document", "objectid": 92919, "filename": "Glaser_RJ_1973.zip", "mime_type": "application/x-zip", "hash": "ecb884db2a70a26851d412c29a84f80c", "hash_type": "MD5", "filesize": 50076093, "mtime": "2018-07-09 19:44:18", "url": "/6011/1/Glaser_RJ_1973.zip" } ], "eprint_id": 6011, "pos": 1, "placement": 1, "mime_type": "application/x-zip", "format": "application/zip", "language": "en", "security": "internal", "license": "other", "main": "Glaser_RJ_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "archival" }, { "id": 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"datestamp": "2010-08-27 21:42:10", "lastmod": "2019-12-20 19:33:20", "status_changed": "2010-08-27 21:42:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Glaser-Robert-James", "name": { "family": "Glaser", "given": "Robert James" }, "show_email": "NO" } ] }, "title": "Gravity Gradiometer Data Reduction", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Two existing gravity gradiometers are discussed and a single signal equation is developed for both instruments. Equations are derived for calculating the gradiometer signal from known spherical harmonic coefficients. The result is a signal equation in the same form as the harmonic expansion but with a \"gradiometer\" polynomial. Next, an integral curvefit procedure is developed for calculating the harmonic coefficients of the gravitational field from known gradiometer data. The procedure only requires calculation of a theoretical observation matrix, thus the orbit determination part of the algorithm is the rate determining step. This increases in cost as the fourth power of the maximum harmonic degree considered. Calculations using parts of the algorithm are discussed and procedures for dealing with error sources are described. Finally, a brief description of a complete gradiometer data reduction program is presented.
", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:08272010-080449842", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08272010-080449842", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "JPL" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-08-27 21:42:10", "doi": "10.7907/5VY1-7Z44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "chair" }, { "id": "Coles-D-E", "name": { "family": "Coles", "given": "Donald Earl" }, "role": "member" }, { "id": "Dergarabedian-Paul", "name": { "family": "Dergarabedian", "given": "Paul" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-09-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Glaser, Robert James" }, { "id": "/id/eprint/5098", "eprint_id": 5098, "rev_number": 8, "documents": [ { "id": "/id/document/8074", "doc_id": 8074, "rev_number": 2, "files": [ { "id": "/id/file/49706", "fileid": 49706, "datasetid": "document", "objectid": 8074, "filename": "Kosmicki_jj_1973.pdf", "mime_type": "application/pdf", "filesize": 911788, "mtime": "2012-12-26 03:14:44", "url": "/5098/1/Kosmicki_jj_1973.pdf" } ], "eprint_id": 5098, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kosmicki_jj_1973.pdf", "language": "en", "security": "public", "license": "other", "main": "Kosmicki_jj_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24579" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24579" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24579" } ] } }, { "id": "/id/document/24579", "doc_id": 24579, "rev_number": 2, "files": [ { "id": "/id/file/49704", "fileid": 49704, "datasetid": "document", "objectid": 24579, "filename": "preview.png", "mime_type": "image/png", "hash": "80c12143da87132415496f2917e8d993", "hash_type": "MD5", "filesize": 10894, "mtime": "2012-12-26 03:14:44", "url": "/5098/2/preview.png" } ], "eprint_id": 5098, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8074" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8074" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8074" } ] } }, { "id": "/id/document/124758", "doc_id": 124758, "rev_number": 1, "files": [ { "id": "/id/file/370188", "fileid": 370188, "datasetid": "document", "objectid": 124758, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "d7eaaffedfee151695e6496514b92a6a", "hash_type": "MD5", "filesize": 5404, "mtime": "2021-06-23 23:53:31", "url": "/5098/3/indexcodes.txt" } ], "eprint_id": 5098, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8074" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8074" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8074" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/98", "datestamp": "2005-12-22", "lastmod": "2019-12-21 04:42:21", "status_changed": "2009-09-25 03:33:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kosmicki-J-J", "name": { "family": "Kosmicki", "given": "James J." }, "show_email": "NO" } ] }, "title": "Experimental study of the separation and reattachment in a partially confined jet", "ispublished": "unpub", "full_text_status": "public", "abstract": "By use of various lengths of shroud an experimental study was made of a partially confined jet to examine the transition between the flow configuration for a free jet to that of a confined jet. An examination of the reattachment pressure distributions and the parameters at the entrance of the abrupt channel expansion was made. A smooth transition of mean flow quantities was found to occur in the transition from a free jet to a partially confined jet and then to a fully confined jet. The distance to reattachment was measured for various shroud lengths and shown to exhibit an asymptotic value which was Reynolds number dependent. Associated with this maximum reattachment length was a maximum pressure recovery factor. The range of Reynolds numbers - based upon the jet diameter - for the present study was 80,000 to 280,000.\n", "date": "1973", "date_type": "degree", "id_number": "CaltechETD:etd-12212005-133626", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212005-133626", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/14DA-WA82", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-21", "thesis_defense_date": "1973-03-23", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Kosmicki, James J." }, { "id": "/id/eprint/6000", "eprint_id": 6000, "rev_number": 27, "documents": [ { "id": "/id/document/10869", "doc_id": 10869, "rev_number": 4, "files": [ { "id": "/id/file/73738", "fileid": 73738, "datasetid": "document", "objectid": 10869, "filename": "Mahale_nk_1973.pdf", "mime_type": "application/pdf", "filesize": 44111624, "mtime": "2012-12-26 04:29:51", "url": "/6000/1/Mahale_nk_1973.pdf" } ], "eprint_id": 6000, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Mahale_nk_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26941" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26941" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26941" } ] } }, { "id": "/id/document/10870", "doc_id": 10870, "rev_number": 3, "files": [ { "id": "/id/file/206017", "fileid": 206017, "datasetid": "document", "objectid": 10870, "filename": "Mahale_nk_1972.zip", "mime_type": "application/zip", "filesize": 53738564, "mtime": "2016-08-22 21:20:45", "url": "/6000/2/Mahale_nk_1972.zip" } ], "eprint_id": 6000, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Mahale_nk_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26941", "doc_id": 26941, "rev_number": 2, "files": [ { "id": "/id/file/73736", "fileid": 73736, "datasetid": "document", "objectid": 26941, "filename": "preview.png", "mime_type": "image/png", "hash": "7ae7581ddb7b52866de195deb5377240", "hash_type": "MD5", "filesize": 10171, "mtime": "2012-12-26 04:29:51", "url": "/6000/3/preview.png" } ], "eprint_id": 6000, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/10869" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/10869" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/10869" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/60/00", "datestamp": "2010-08-20 15:10:51", "lastmod": "2021-03-01 23:15:24", "status_changed": "2010-08-20 15:10:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mahale-Narayan-Krishna", "name": { "family": "Mahale", "given": "Narayan Krishna" }, "show_email": "NO" } ] }, "title": "Failure of precracked fiber reinforced composite plate", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "In the following pages a theoretical and experimental investigation of the fracture of a precracked carbon fiber reinforced composite is presented. The work deals mainly with a unidirectional composite having the crack aligned parallel to the fibers. We put forth some ideas on how to extend the failure criterion of the above restricted case to a more general one of multidirectional composites.\r\nThe failure criterion proposed is based on an energy argument similar to that proposed by Griffith for isotropic solids. For the purpose of stress analysis the material under consideration is assumed to be homogeneous and orthotropic. Lekhnitskii's complex variable method\r\nof stress analysis of the two dimensional elasticity problems for anisotropic bodies is used in the theoretical investigation.\r\n", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:08192010-160559026", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08192010-160559026", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-08-20 15:10:51", "doi": "10.7907/DPK2-YA94", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Knauss-W-G", "name": { "family": "Knauss", "given": "Wolfgang Gustav" }, "role": "advisor" }, { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-09-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Mahale, Narayan Krishna" }, { "id": "/id/eprint/5998", "eprint_id": 5998, "rev_number": 22, "documents": [ { "id": "/id/document/10861", "doc_id": 10861, "rev_number": 4, "files": [ { "id": "/id/file/73668", "fileid": 73668, "datasetid": "document", "objectid": 10861, "filename": "Su_t_1973.pdf", "mime_type": "application/pdf", "filesize": 40550033, "mtime": "2012-12-26 04:29:49", "url": "/5998/1/Su_t_1973.pdf" } ], "eprint_id": 5998, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Su_t_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26939" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26939" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26939" } ] } }, { "id": "/id/document/10862", "doc_id": 10862, "rev_number": 5, "files": [ { "id": "/id/file/206015", "fileid": 206015, "datasetid": "document", "objectid": 10862, "filename": "Su_t_1973.zip", "mime_type": "application/zip", "filesize": 50589356, "mtime": "2016-08-22 21:20:45", "url": "/5998/2/Su_t_1973.zip" } ], "eprint_id": 5998, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Su_t_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "archival" }, { "id": "/id/document/26939", "doc_id": 26939, "rev_number": 2, "files": [ { "id": "/id/file/73666", "fileid": 73666, "datasetid": "document", "objectid": 26939, "filename": "preview.png", "mime_type": "image/png", "hash": "5b70b9938e4e47e5a9e59d43b2030719", "hash_type": "MD5", "filesize": 11323, "mtime": "2012-12-26 04:29:49", "url": "/5998/3/preview.png" } ], "eprint_id": 5998, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/10861" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/10861" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/10861" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/59/98", "datestamp": "2010-08-19 15:23:12", "lastmod": "2022-12-03 00:05:32", "status_changed": "2010-08-19 15:23:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Su-Tsung-chow-Joe", "name": { "family": "Su", "given": "Tsung-chow Joe" }, "show_email": "NO" } ] }, "title": "Viscous-Inviscid Flow Interaction in Stratified Flow Over a Barrier", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The gross effect of boundary layer separation on the flow field of stratified flow over a barrier was studied by means of the integral method of Lees and Reeves.
\r\n\r\nThe complete integral formulation of both inner and outer flow field of stratified flow over a barrier was obtained.
\r\n\r\nFurthermore, an iteration scheme of computation is proposed for the simple case of incompressible homogeneous flow over a barrier with viscous-inviscid interaction included.
\r\n\r\nHowever, in viewing the increasing importance, a considerable amount of work remains to be done on this problem.
", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:08182010-154704323", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08182010-154704323", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-08-19 15:23:12", "doi": "10.7907/XNJM-ES87", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-09-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Su, Tsung-chow Joe" }, { "id": "/id/eprint/6042", "eprint_id": 6042, "rev_number": 34, "documents": [ { "id": "/id/document/11299", "doc_id": 11299, "rev_number": 4, "files": [ { "id": "/id/file/74794", "fileid": 74794, "datasetid": "document", "objectid": 11299, "filename": "Wiley_rf_1973.pdf", "mime_type": "application/pdf", "filesize": 2701987, "mtime": "2012-12-26 04:30:27", "url": "/6042/1/Wiley_rf_1973.pdf" } ], "eprint_id": 6042, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Wiley_rf_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26993" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26993" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26993" } ] } }, { "id": "/id/document/11301", "doc_id": 11301, "rev_number": 4, "files": [ { "id": "/id/file/206109", "fileid": 206109, "datasetid": "document", "objectid": 11301, "filename": "Wiley_rf_1973_.zip", "mime_type": "application/zip", "filesize": 11267937, "mtime": "2016-08-22 21:20:55", "url": "/6042/2/Wiley_rf_1973_.zip" } ], "eprint_id": 6042, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Wiley_rf_1973_.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0" }, { "id": "/id/document/26993", "doc_id": 26993, "rev_number": 2, "files": [ { "id": "/id/file/74792", "fileid": 74792, "datasetid": "document", "objectid": 26993, "filename": "preview.png", "mime_type": "image/png", "hash": "f06392246303991ed4ba3082ab68c972", "hash_type": "MD5", "filesize": 89543, "mtime": "2012-12-26 04:30:27", "url": "/6042/3/preview.png" } ], "eprint_id": 6042, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11299" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11299" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11299" } ] } } ], "eprint_status": "archive", "userid": 104, "dir": "disk0/00/00/60/42", "datestamp": "2010-09-23 21:22:16", "lastmod": "2019-12-21 04:04:36", "status_changed": "2010-09-23 22:00:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wiley-R-F", "name": { "family": "Wiley", "given": "Robert F." }, "show_email": "NO" } ] }, "title": "On the use of fixed attitude propulsive arcs for transfer between neighboring coplanar Keplerian orbits", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The question of whether or not a coplanar, fixed attitude, constant acceleration burn in a central force field can result in a post-burn orbit that does not intersect the pre-burn orbit was investigated for small changes in the orbit. This was done by developing a criterion for separation between coplanar elliptical orbits, solving\r\nthe linearized equations of motion given in reference 1 for a coplanar, fixed attitude, constant acceleration burn, and evaluating the criterion. Regions in which an initial alignment of the acceleration vector may be chosen to result in orbital separation at some point in the burn and the alignments of the acceleration vector to do this were found numerically. However, it appears that the distances between the separated orbits and the time over which the orbits separate for a particular alignment are too small to make the phenomenon of much practical use for small orbital changes.\r\n", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:09232010-115331989", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09232010-115331989", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Dan Anguka", "deposited_on": "2010-09-23 21:22:16", "doi": "10.7907/456S-YS44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1973-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Wiley, Robert F." }, { "id": "/id/eprint/5431", "eprint_id": 5431, "rev_number": 21, "documents": [ { "id": "/id/document/8983", "doc_id": 8983, "rev_number": 4, "files": [ { "id": "/id/file/55862", "fileid": 55862, "datasetid": "document", "objectid": 8983, "filename": "Tamura_ys_1973.pdf", "mime_type": "application/pdf", "filesize": 2786696, "mtime": "2012-12-26 03:19:28", "url": "/5431/1/Tamura_ys_1973.pdf" } ], "eprint_id": 5431, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Tamura_ys_1973.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/25136" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/25136" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/25136" } ] } }, { "id": "/id/document/15637", "doc_id": 15637, "rev_number": 3, "files": [ { "id": "/id/file/204947", "fileid": 204947, "datasetid": "document", "objectid": 15637, "filename": "Tamura_ys_1973.zip", "mime_type": "application/zip", "filesize": 6301597, "mtime": "2016-08-22 21:18:23", "url": "/5431/2/Tamura_ys_1973.zip" } ], "eprint_id": 5431, "pos": 2, "format": "application/zip", "language": "en", "security": "internal", "license": "other", "main": "Tamura_ys_1973.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "archival" }, { "id": "/id/document/25136", "doc_id": 25136, "rev_number": 2, "files": [ { "id": "/id/file/55860", "fileid": 55860, "datasetid": "document", "objectid": 25136, "filename": "preview.png", "mime_type": "image/png", "hash": "cf46b19be761b46057969598868e21c3", "hash_type": "MD5", "filesize": 9436, "mtime": "2012-12-26 03:19:28", "url": "/5431/3/preview.png" } ], "eprint_id": 5431, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8983" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8983" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8983" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/54/31", "datestamp": "2009-12-09 19:31:37", "lastmod": "2019-12-21 01:50:56", "status_changed": "2009-12-09 19:31:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Tamura-Y-S", "name": { "family": "Tamura", "given": "Yukio Stephen" }, "show_email": "NO" } ] }, "title": "Dynamic stability of cylindrical shells under step loading", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics ", "abstract": "A study has been made to determine the dynamic stability of an imperfect circular cylindrical shell subject to a step loading in the axial direction. In the analysis, the radial displacement of the shell is approximated by a finite degree of freedom system. To assure that the created model is proper, its static buckling behavior was studied. It was found that the model gives the proper imperfection sensitivity behavior.\r\n\r\nThe dynamic analysis includes not only the effect of the radial inertia, but also that due to the axial inertia in an approximate manner. The critical loads are determined by numerical integration of the equation of motion. In addition a study is carried out to consider the effects of wave number of the radial mode shape, mass on the loaded edge of the shell and damping of the axial motion. Compared with the static case, there is a significant reduction of the dynamic buckling load for the high wave numbers of the radial modes. Also, there is a critical clamping value, above which the dynamic buckling load is close to the static buckling load. The dynamic buckling load approaches half of the static buckling load with increasing mass on the loading edge. Through the parametric studies of the wave number, mass, and damping factor it is concluded that due to frequency coupling between axial and radial motions, the axial inertia plays an essential role in characterizing the dynamic instability of a finite length shell.\r\n", "date": "1973", "date_type": "degree", "id_number": "CaltechTHESIS:12092009-105825918", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:12092009-105825918", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Gayle Hammer", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2009-12-09 19:31:37", "doi": "10.7907/MSMN-N280", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1973-05-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1973", "author_list": "Tamura, Yukio Stephen" }, { "id": "/id/eprint/2847", "eprint_id": 2847, "rev_number": 8, "documents": [ { "id": "/id/document/5201", "doc_id": 5201, "rev_number": 2, "files": [ { "id": "/id/file/30422", "fileid": 30422, "datasetid": "document", "objectid": 5201, "filename": "Kulkarni_an_1972.pdf", "mime_type": "application/pdf", "filesize": 3919717, "mtime": "2012-12-26 02:54:58", "url": "/2847/1/Kulkarni_an_1972.pdf" } ], "eprint_id": 2847, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kulkarni_an_1972.pdf", "language": "en", "security": "public", "license": "other", "main": "Kulkarni_an_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21750" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21750" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21750" } ] } }, { "id": "/id/document/21750", "doc_id": 21750, "rev_number": 2, "files": [ { "id": "/id/file/30420", "fileid": 30420, "datasetid": "document", "objectid": 21750, "filename": "preview.png", "mime_type": "image/png", "hash": "e4109d77f2b97287029ee0ea89d51686", "hash_type": "MD5", "filesize": 10150, "mtime": "2012-12-26 02:54:58", "url": "/2847/2/preview.png" } ], "eprint_id": 2847, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5201" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5201" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5201" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/47", "datestamp": "2007-07-24", "lastmod": "2019-12-20 19:47:52", "status_changed": "2009-09-25 02:46:04", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kulkarni-A-N", "name": { "family": "Kulkarni", "given": "Arun N." }, "show_email": "NO" } ] }, "title": "Analysis of the airline systems performance by varying inputs, viz. jet aircraft, routes and scheduling", "ispublished": "unpub", "full_text_status": "public", "abstract": "This is a systems analysis study of the commercial airlines. In essence, it provides a systematic procedure for determining a combination of decisions regarding the aircraft, routes and scheduling which maximizes overall effectiveness.\n\nThe model treats the aircraft, route and the scheduling as basic inputs, passenger-mile or ton-mile as basic outputs, revenue and cost as the monetary output and input respectively, to the airline system. Out of the numerous and diverse management objectives, the profit is chosen as a performance parameter, however noting that the return on investment would be a more realistic parameter. As a simplification, a multiple relationship between the direct and the indirect operating cost is used to eliminate indirect operating cost, and the attention is focused on the direct operating cost. The core idea of the profit computation is the deterministic approach to the costs and the probabilistic approach to the revenues.\n\nFour major steps can be observed, namely:\n\n1. Collection and systematic presentation of the relevant data about the aircraft and routes, taking into account the operational and technical constraints. This system reduces the number of possible alternatives, thus simplifying decision analysis. The pictorial representation of this system appears on the next sheet.\n\n2. A set of equations for the direct operating cost computation is developed, employing a technique of multiple regression analysis, by observing U. S. domestic experience of major airlines using B707-320B, B727-100 C/QC, DC9-30 aircraft. (All data is obtained from CAB-Wash.) DOC is further divided into flying, maintenance and depreciation. With the help of these equations, the direct operating cost could be predicted knowing the characteristics of the aircraft (number of engines, operating empty weight, fuel consumption), routes (average stage length) and scheduling (utilization).\n\n3. The probabilistic revenue calculations are carried out using a simplified Monte Carlo simulation and expected value approach. The impact of alternative modes of transportation and the competition on the route has been given proper weightage. Even though calculations are done for three station problems, an extension is possible for complicated route networks.\n\n4. By judging the profit performance, a feedback system is proposed.", "date": "1972", "date_type": "degree", "id_number": "CaltechETD:etd-07102007-093646", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07102007-093646", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-07-24", "doi": "10.7907/C94H-PP45", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-07-10", "thesis_defense_date": "1972-01-01", "thesis_approved_date": "2007-07-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Kulkarni, Arun N." }, { "id": "/id/eprint/5994", "eprint_id": 5994, "rev_number": 22, "documents": [ { "id": "/id/document/10837", "doc_id": 10837, "rev_number": 4, "files": [ { "id": "/id/file/73557", "fileid": 73557, "datasetid": "document", "objectid": 10837, "filename": "Miyata_gn_1972.pdf", "mime_type": "application/pdf", "filesize": 29220687, "mtime": "2012-12-26 04:29:45", "url": "/5994/1/Miyata_gn_1972.pdf" } ], "eprint_id": 5994, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Miyata_gn_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26933" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26933" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26933" } ] } }, { "id": "/id/document/10840", "doc_id": 10840, "rev_number": 3, "files": [ { "id": "/id/file/206006", "fileid": 206006, "datasetid": "document", "objectid": 10840, "filename": "Miyata_gn_1972.zip", "mime_type": "application/zip", "filesize": 22763034, "mtime": "2016-08-22 21:20:43", "url": "/5994/2/Miyata_gn_1972.zip" } ], "eprint_id": 5994, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Miyata_gn_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26933", "doc_id": 26933, "rev_number": 2, "files": [ { "id": "/id/file/73555", "fileid": 73555, "datasetid": "document", "objectid": 26933, "filename": "preview.png", "mime_type": "image/png", "hash": "af31b48889d9d1b170aa97bb2c8513ff", "hash_type": "MD5", "filesize": 12308, "mtime": "2012-12-26 04:29:45", "url": "/5994/3/preview.png" } ], "eprint_id": 5994, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/10837" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/10837" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/10837" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/59/94", "datestamp": "2010-08-18 15:41:25", "lastmod": "2019-12-21 02:28:51", "status_changed": "2010-08-18 15:41:25", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Miyata-G-N", "name": { "family": "Miyata", "given": "Gavien N." }, "show_email": "NO" } ] }, "title": "The effect of a spanwise blowing jet on the separation bubble length behind a rearward facing step", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The problem of the effect of a spanwise blowing jet on the\r\nflow past a rearward facing step is considered both theoretically and experimentally. The primary flow is considered to be a finite two dimensional jet blowing past a step and the spanwise jet is assumed to blow perpendicular to this primary flow. The equations predicting\r\nthe separation bubble length are de rived by assuming that the two dimensional jet is thin enough so that its radius of curvature can be determined by the pressure difference across the primary jet and the jet momentum. Then by doing a momentum balance at the reattachment point, the angle of reattachment is determined and the bubble geometry is fixed. The effect of the spanwise blowing jet is modeled by a two-dimensional sink with the sink strength given by the mass entrainment per unit length of a round jet in a semi-confined space.\r\n\r\nThe experimental work, which measured the bubble length\r\nas a function of the two-dimensional jet thickness and the strength of the spanwise blowing jet, is matched with the theoretical predictions giving the spreading parameters of the shear layers on both sides of the primary jet.\r\n", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:08172010-162416535", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08172010-162416535", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-08-18 15:41:25", "doi": "10.7907/EFBF-0016", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Harris-G", "name": { "family": "Harris", "given": "Gordon" }, "role": "advisor" }, { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-05-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Miyata, Gavien N." }, { "id": "/id/eprint/6010", "eprint_id": 6010, "rev_number": 16, "documents": [ { "id": "/id/document/11169", "doc_id": 11169, "rev_number": 4, "files": [ { "id": "/id/file/73960", "fileid": 73960, "datasetid": "document", "objectid": 11169, "filename": "Van_Dillen_de_1972.pdf", "mime_type": "application/pdf", "filesize": 4836520, "mtime": "2012-12-26 04:29:58", "url": "/6010/1/Van_Dillen_de_1972.pdf" } ], "eprint_id": 6010, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Van_Dillen_de_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26951" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26951" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26951" } ] } }, { "id": "/id/document/11170", "doc_id": 11170, "rev_number": 3, "files": [ { "id": "/id/file/206049", "fileid": 206049, "datasetid": "document", "objectid": 11170, "filename": "Van_Dillen_de_1972.zip", "mime_type": "application/zip", "filesize": 6926292, "mtime": "2016-08-22 21:20:48", "url": "/6010/2/Van_Dillen_de_1972.zip" } ], "eprint_id": 6010, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Van_Dillen_de_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26951", "doc_id": 26951, "rev_number": 2, "files": [ { "id": "/id/file/73958", "fileid": 73958, "datasetid": "document", "objectid": 26951, "filename": "preview.png", "mime_type": "image/png", "hash": "5f2770c925a0de1249325f8a54a1ff96", "hash_type": "MD5", "filesize": 9603, "mtime": "2012-12-26 04:29:58", "url": "/6010/3/preview.png" } ], "eprint_id": 6010, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11169" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11169" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11169" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/10", "datestamp": "2010-08-27 22:46:58", "lastmod": "2019-12-20 19:29:55", "status_changed": "2010-08-27 22:46:57", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Van-Dillen-D-E", "name": { "family": "Van Dillen", "given": "David Edwin" }, "show_email": "NO" } ] }, "title": "Vibrations of a three-layer beam with a viscoelastic middle layer", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The equations governing a three-layer beam in which the middle layer is viscoelastic were derived by means of a variational principle. These equations were solved subject to arbitrary time dependent boundary conditions of both the simply-supported and cantilever type. In the simply-supported case, an eigenfunction expansion was constructed after the governing equations had been transformed through operation by a differential operator. In the cantilever case, the solution was obtained by Fourier transform with respect to time, and inversion by residue theory. An analysis of the theoretical response of the cantilever beam to steady state sinusoidal loading was carried out, and an experiment was conducted for comparison.", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:08262010-162507540", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08262010-162507540", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "Office of Aerospace Research, United States Air Force", "grant_number": "AFOSR 68-1424" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-08-27 22:46:58", "doi": "10.7907/P2BD-K350", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-05-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Van Dillen, David Edwin" }, { "id": "/id/eprint/6142", "eprint_id": 6142, "rev_number": 18, "documents": [ { "id": "/id/document/11560", "doc_id": 11560, "rev_number": 4, "files": [ { "id": "/id/file/76825", "fileid": 76825, "datasetid": "document", "objectid": 11560, "filename": "Giraudbit_jn_1972.pdf", "mime_type": "application/pdf", "filesize": 1199012, "mtime": "2012-12-26 04:31:45", "url": "/6142/1/Giraudbit_jn_1972.pdf" } ], "eprint_id": 6142, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Giraudbit_jn_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27111" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27111" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27111" } ] } }, { "id": "/id/document/11561", "doc_id": 11561, "rev_number": 3, "files": [ { "id": "/id/file/206234", "fileid": 206234, "datasetid": "document", "objectid": 11561, "filename": "Giraudbit_jn_1972.zip", "mime_type": "application/zip", "filesize": 63082832, "mtime": "2016-08-22 21:21:07", "url": "/6142/2/Giraudbit_jn_1972.zip" } ], "eprint_id": 6142, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Giraudbit_jn_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27111", "doc_id": 27111, "rev_number": 2, "files": [ { "id": "/id/file/76823", "fileid": 76823, "datasetid": "document", "objectid": 27111, "filename": "preview.png", "mime_type": "image/png", "hash": "a7549587c6ff6556d11ec65c15141e1b", "hash_type": "MD5", "filesize": 10152, "mtime": "2012-12-26 04:31:45", "url": "/6142/3/preview.png" } ], "eprint_id": 6142, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11560" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11560" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11560" } ] } } ], "eprint_status": "archive", "userid": 1854, "dir": "disk0/00/00/61/42", "datestamp": "2010-10-13 17:06:53", "lastmod": "2019-12-21 04:44:36", "status_changed": "2010-10-13 17:06:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Giraudbit-J-N", "name": { "family": "Giraudbit", "given": "Jean-No\u00ebl" }, "show_email": "NO" } ] }, "title": "Optimal simple structures with bending and membrane stresses", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Structural optimization of elastic solid structures with membrane and bending stresses is studied. A necessary and sufficient optimality condition for maximum stiffness is derived using an energy formulation (minimum potential energy). In the case of pure membrane or pure bending stress states, maximum stiffness and maximum strength are governed by the same optimality condition (uniform strength design). For mixed stress states (membrane and bending), this result is not true, and a general method of approach to find a necessary condition for maximum strength is developed by means of the calculus of variation. Two particular statically indeterminate problems with one design variable to be optimized (clamped-clamped beam, clamped-clamped arch) are treated by this method, and, in both examples, maximum. strength is achieved by a uniform strength design.", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:10132010-094217970", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:10132010-094217970", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-10-13 17:06:53", "doi": "10.7907/29PJ-3X76", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1971-09-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Giraudbit, Jean-No\u00ebl" }, { "id": "/id/eprint/6021", "eprint_id": 6021, "rev_number": 23, "documents": [ { "id": "/id/document/11188", "doc_id": 11188, "rev_number": 4, "files": [ { "id": "/id/file/74211", "fileid": 74211, "datasetid": "document", "objectid": 11188, "filename": "Hulcher_gd_1972.pdf", "mime_type": "application/pdf", "filesize": 32999327, "mtime": "2012-12-26 04:30:05", "url": "/6021/1/Hulcher_gd_1972.pdf" } ], "eprint_id": 6021, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Hulcher_gd_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26961" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26961" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26961" } ] } }, { "id": "/id/document/11189", "doc_id": 11189, "rev_number": 3, "files": [ { "id": "/id/file/206069", "fileid": 206069, "datasetid": "document", "objectid": 11189, "filename": "Hulcher_gd_1972.zip", "mime_type": "application/zip", "filesize": 37723034, "mtime": "2016-08-22 21:20:50", "url": "/6021/2/Hulcher_gd_1972.zip" } ], "eprint_id": 6021, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Hulcher_gd_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26961", "doc_id": 26961, "rev_number": 2, "files": [ { "id": "/id/file/74209", "fileid": 74209, "datasetid": "document", "objectid": 26961, "filename": "preview.png", "mime_type": "image/png", "hash": "493c0a1a94ddab1eb0425d4dc8b87584", "hash_type": "MD5", "filesize": 11801, "mtime": "2012-12-26 04:30:05", "url": "/6021/3/preview.png" } ], "eprint_id": 6021, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11188" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11188" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11188" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/21", "datestamp": "2010-09-08 17:02:40", "lastmod": "2019-12-21 04:55:01", "status_changed": "2010-09-08 17:02:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hulcher-G-D", "name": { "family": "Hulcher", "given": "Gregory D." }, "show_email": "NO" } ] }, "title": "Hypersonic viscous-inviscid flow interactions including boundary layer separation on a flat plate at angle of attack", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Experimental measurements of mean flow properties over the leeward surface and in the near wake of an adiabatic thin flat plate at an angle of attack of \u03b1 = 15\u00b0 were obtained at Mach 6 and Reynolds number based on the chord length of 186,000. The leading edge thickness is the predominant variable which affects the pre-separation interaction region. The effects of the large windward pressure, which separates the boundary layer at \u2113/L \u2243 .7 are felt at points considerably forward of the separation point. The pressure rise in the separation region is similar to the rise on a flat plate-ramp model, and the data correlate according to Chapman's parameters. Also, the leeward side flow of the thin flat plate is found to be very similar to the flow over a wedge whose leeward side is inclined to the same angle. The wake centerline quantities behave similar to those behind a flat plate at zero angle of attack, but the streamwise gradients are less than those behind an inclined wedge. The flow appears to remain laminar throughout the entire field of measurement.", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:09032010-111033039", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09032010-111033039", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "U.S. Army Research Office and Advanced Research Projects Agency", "grant_number": "DA-31-124-ARO(D)-33" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-09-08 17:02:40", "doi": "10.7907/PZCP-FT88", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" }, { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1971-12-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Hulcher, Gregory D." }, { "id": "/id/eprint/9360", "eprint_id": 9360, "rev_number": 15, "documents": [ { "id": "/id/document/63479", "doc_id": 63479, "rev_number": 3, "files": [ { "id": "/id/file/177573", "fileid": 177573, "datasetid": "document", "objectid": 63479, "filename": "Dolait_j-p_1971.pdf", "mime_type": "application/pdf", "hash": "a5f61bf001b99af51cada112e604c848", "hash_type": "MD5", "filesize": 14269049, "mtime": "2016-01-28 19:37:25", "url": "/9360/1/Dolait_j-p_1971.pdf" } ], "eprint_id": 9360, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Dolait_j-p_1971.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": 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"files": [ { "id": "/id/file/375652", "fileid": 375652, "datasetid": "document", "objectid": 130215, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "71ca8464ef4520646b40769edbe47918", "hash_type": "MD5", "filesize": 11031, "mtime": "2021-06-24 04:40:56", "url": "/9360/8/indexcodes.txt" } ], "eprint_id": 9360, "pos": 8, "placement": 8, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/63479" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/63479" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/63479" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/93/60", "datestamp": "2016-01-28 21:28:21", "lastmod": "2021-07-27 18:16:54", "status_changed": "2016-01-28 21:28:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dolait-Jean-Pierre", "name": { "family": "Dolait", "given": "Jean-Pierre" } } ] }, "title": "Transonic Wind Tunnel for Investigation of Turbomachinery Blades", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The design of a two-stream wind tunnel was undertaken to allow\r\nthe simulation and study of certain features of the flow field around\r\nthe blades of high-speed axial-flow turbomachineries. The mixing of\r\nthe two parallel streams with designed Mach numbers respectively\r\nequal to 1.4 and 0.7 will simulate the transonic Mach number distribution\r\ngenerally obtained along the tips of the first stage blades in\r\nlarge bypass-fan engines.
\r\n\r\nThe GALCIT hypersonic compressor plant will be used as an\r\nair supply for the wind tunnel, and consequently the calculations contained\r\nin the first chapter are derived from the characteristics and\r\nthe performance of this plant.
\r\n\r\nThe transonic part of the nozzle is computed by using a method\r\ndeveloped by K. O. Friedrichs. This method consists essentially of\r\nexpanding the coordinates and the characteristics of the flow in power\r\nseries. The development begins with prescribing, more or less arbitrarily,\r\na Mach number distribution along the centerline of the nozzle.\r\nThis method has been programmed for an IBM 360 computer to define\r\nthe wall contour of the nozzle.
\r\n\r\nA further computation is carried out to correct the contour for\r\nboundary layer buildup. This boundary layer analysis included geometry,\r\npressure gradient, and Mach number effects. The subsonic nozzle\r\nis calculated {including boundary layer buildup) by using the same\r\ncomputer programs. Finally, the mixing zone downstream of the splitter\r\nplate was investigated to prescribe the wall contour correction necessary\r\nto ensure a constant-pressure test section.
", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:01062016-155803211", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:01062016-155803211", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2016-01-28 21:28:21", "doi": "10.7907/4D2K-SR72", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "co-advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1971-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Dolait, Jean-Pierre" }, { "id": "/id/eprint/6004", "eprint_id": 6004, "rev_number": 21, "documents": [ { "id": "/id/document/10877", "doc_id": 10877, "rev_number": 4, "files": [ { "id": "/id/file/73835", "fileid": 73835, "datasetid": "document", "objectid": 10877, "filename": "Nieuwstadt_f_1972.pdf", "mime_type": "application/pdf", "filesize": 62646905, "mtime": "2012-12-26 04:29:54", "url": "/6004/1/Nieuwstadt_f_1972.pdf" } ], "eprint_id": 6004, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Nieuwstadt_f_1972.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26945" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26945" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26945" } ] } }, { "id": "/id/document/10878", "doc_id": 10878, "rev_number": 3, "files": [ { "id": "/id/file/206021", "fileid": 206021, "datasetid": "document", "objectid": 10878, "filename": "Nieuwstadt_f_1972.zip", "mime_type": "application/zip", "filesize": 54196767, "mtime": "2016-08-22 21:20:45", "url": "/6004/2/Nieuwstadt_f_1972.zip" } ], "eprint_id": 6004, "pos": 2, "format": "application/zip", "format_desc": "TIF", "language": "en", "security": "internal", "license": "other", "main": "Nieuwstadt_f_1972.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26945", "doc_id": 26945, "rev_number": 2, "files": [ { "id": "/id/file/73833", "fileid": 73833, "datasetid": "document", "objectid": 26945, "filename": "preview.png", "mime_type": "image/png", "hash": "ca240af064219da7f4683b5246cce968", "hash_type": "MD5", "filesize": 11957, "mtime": "2012-12-26 04:29:53", "url": "/6004/3/preview.png" } ], "eprint_id": 6004, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/10877" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/10877" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/10877" } ] } } ], "eprint_status": "archive", "userid": 50, "dir": "disk0/00/00/60/04", "datestamp": "2010-08-21 00:01:35", "lastmod": "2019-12-20 19:30:06", "status_changed": "2010-08-21 00:01:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Nieuwstadt-F", "name": { "family": "Nieuwstadt", "given": "Frans" }, "show_email": "NO" } ] }, "title": "Numerical solution of steady, symmetric and laminar flow around a circular cylinder", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A numerical integration of the Navier-Stokes\r\nequations is given for the steady, symmetric flow around\r\na circular cylinder. The problem is formulated in terms of\r\na streamfunction and the vorticity. The method used is the\r\nsemi-analytical one of series truncation, in which the\r\nstreamfunction and the vorticity are expanded in a finite\r\nFourier sine series with argument \u03b2, the polar angle.\r\nSubstitution of the truncated series into the Navier-\r\nStokes equations yields a system of non linear, coupled,\r\nordinary differential equations for the Fourier coefficients\r\nwhich is subjected to boundary conditions on the cylinder\r\nand at infinity. In order to be able to do a numerical calculation the free stream conditions at infinity are replaced by the asymptotic Oseen conditions at a finite distance from the cylinder. The resulting two point boundary value problem for the system of differential equations is solved numerically by a finite difference method. This method gives rise to a non linear system of algebraic difference equations. Four different iteration methods are discussed to solve this algebraic system. The most efficient iteration method seems to be Newton's method, which needs only about three iterations to converge to a solution of the difference equations. The approximation of the solution of the finite difference equations to the exact solution of the differential equations is improved by performing a Richardson\r\nextrapolation.\r\n\r\nIt can be concluded that a very efficient scheme\r\nhas been obtained to solve the system of ordinary differential equations which follow from the application of the method of series truncation. It has been found however\r\nthat the number of terms in the Fourier series needed to\r\ndescribe the flow adequately and correspondingly the\r\ncomputation time increase considerably with the Reynolds\r\nnumber. Nevertheless, it is believed that the method\r\ndeveloped here is much more efficient than previous ones.\r\nCalculations have been done for R = 0.5, 2.0, 3.5 and 5.0\r\nwhere R = Ua/ \u03b3 (a is the radius of the cylinder). The results compare reasonably well with previous numerical\r\ncalculations of Keller-Takami and Dennis-Chang.", "date": "1972", "date_type": "degree", "id_number": "CaltechTHESIS:08202010-160650145", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08202010-160650145", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2010-08-21 00:01:35", "doi": "10.7907/A6ET-VQ44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" }, { "id": "Keller-H-B", "name": { "family": "Keller", "given": "Herbert Bishop" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1972-05-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1972", "author_list": "Nieuwstadt, Frans" }, { "id": "/id/eprint/1569", "eprint_id": 1569, "rev_number": 8, "documents": [ { "id": "/id/document/2420", "doc_id": 2420, "rev_number": 2, "files": [ { "id": "/id/file/14991", "fileid": 14991, "datasetid": "document", "objectid": 2420, "filename": "Imbert_j_1971.pdf", "mime_type": "application/pdf", "filesize": 2558460, "mtime": "2012-12-26 02:39:16", "url": "/1569/1/Imbert_j_1971.pdf" } ], "eprint_id": 1569, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Imbert_j_1971.pdf", "language": "en", "security": "public", "license": "other", "main": "Imbert_j_1971.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19160" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19160" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19160" } ] } }, { "id": "/id/document/19160", "doc_id": 19160, "rev_number": 2, "files": [ { "id": "/id/file/14989", "fileid": 14989, "datasetid": "document", "objectid": 19160, "filename": "preview.png", "mime_type": "image/png", "hash": "13330e49c6e649bb4ed438d75923631e", "hash_type": "MD5", "filesize": 10246, "mtime": "2012-12-26 02:39:16", "url": "/1569/2/preview.png" } ], "eprint_id": 1569, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2420" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2420" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2420" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/15/69", "datestamp": "2008-05-01", "lastmod": "2019-12-20 19:31:27", "status_changed": "2009-09-25 02:07:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Imbert-J", "name": { "family": "Imbert", "given": "Jean-Francois" }, "show_email": "NO" } ] }, "title": "The effect of imperfections on the buckling of cylindrical shells", "ispublished": "unpub", "full_text_status": "public", "abstract": "A theoretical investigation of the effect of general imperfections on the buckling of a cylindrical shell under axial compression was carried out. A limit point analysis was performed to determine the buckling loads using a simplified imperfection and displacement model consisting of one axisymmetric and two asymmetric components with the same circumferential wave number.\n\nThe wave number dependence of imperfections for a class of shells obtained by the same manufacturing processes was characterized by using an imperfection model to fit the experimental imperfection coefficients available. Buckling load calculations were performed using both experimental and fitted data as imperfection coefficients.\n\nFor the experimental data available the three-mode solution was found to have only a small additional effect with respect to the two-mode solution. In addition, by extrapolating imperfection coefficients for high wave numbers by means of the imperfection model, it was found that a strong interaction effect would exist between a low wave number axisymmetric mode and two classical asymmetric modes.\n", "date": "1971", "date_type": "degree", "id_number": "CaltechETD:etd-05012008-155801", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05012008-155801", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-05-01", "doi": "10.7907/RHXA-BJ33", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "chair" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "member" }, { "id": "Arbocz-J", "name": { "family": "Arbocz", "given": "Johann" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-05-01", "thesis_defense_date": "1970-09-14", "thesis_approved_date": "2008-05-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1971", "author_list": "Imbert, Jean-Francois" }, { "id": "/id/eprint/6039", "eprint_id": 6039, "rev_number": 19, "documents": [ { "id": "/id/document/11291", "doc_id": 11291, "rev_number": 4, "files": [ { "id": "/id/file/74689", "fileid": 74689, "datasetid": "document", "objectid": 11291, "filename": "Wu_jj_1971.pdf", "mime_type": "application/pdf", "filesize": 3112468, "mtime": "2012-12-26 04:30:25", "url": "/6039/1/Wu_jj_1971.pdf" } ], "eprint_id": 6039, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Wu_jj_1971.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26990" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26990" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26990" } ] } }, { "id": "/id/document/11292", "doc_id": 11292, "rev_number": 3, "files": [ { "id": "/id/file/206106", "fileid": 206106, "datasetid": "document", "objectid": 11292, "filename": "Wu_jj_1971.zip", "mime_type": "application/zip", "filesize": 7262238, "mtime": "2016-08-22 21:20:54", "url": "/6039/2/Wu_jj_1971.zip" } ], "eprint_id": 6039, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Wu_jj_1971.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26990", "doc_id": 26990, "rev_number": 2, "files": [ { "id": "/id/file/74687", "fileid": 74687, "datasetid": "document", "objectid": 26990, "filename": "preview.png", "mime_type": "image/png", "hash": "836e17815842f69b5165df17f8750ec1", "hash_type": "MD5", "filesize": 10491, "mtime": "2012-12-26 04:30:25", "url": "/6039/3/preview.png" } ], "eprint_id": 6039, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11291" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11291" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11291" } ] } }, { "id": "/id/document/126169", "doc_id": 126169, "rev_number": 1, "files": [ { "id": "/id/file/371603", "fileid": 371603, "datasetid": "document", "objectid": 126169, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "3ed7fd347e2a3c611e221fd0f4999ba6", "hash_type": "MD5", "filesize": 14699, "mtime": "2021-06-24 00:36:07", "url": "/6039/4/indexcodes.txt" } ], "eprint_id": 6039, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11291" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11291" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11291" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/39", "datestamp": "2010-09-23 16:48:13", "lastmod": "2021-10-05 22:35:57", "status_changed": "2010-09-23 16:48:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wu-Jiunn-Jenq", "name": { "family": "Wu", "given": "Jiunn-Jenq" }, "show_email": "NO" } ] }, "title": "An Experimental Study of Hypersonic Wakes Behind Wedges at Angle of Attack", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Experimental measurements of mean flow properties of hypersonic wakes behind wedges of 20\u00b0 included angle were conducted for angles of attack up to 25\u00b0 at Mach number 6, with Reynolds number based on wedge base height ranging from 7000 to 55000. The near and far wake structures were determined, including streamlines and velocity profiles, over a downstream distance of 60 base heights. The base pressure is insensitive to angle of attack within about 17\u00b0. At higher incidence, flow separation occurs on the leeward surface. The far viscous wake (x/H Z 4) changes with increasing angle of attack mainly because of the increasing differences of the inviscid flow parameters at the leeward and windward edges of the viscous wake. Transition from laminar to turbulent flow moves upstream as \r\nangle of attack increases.", "date": "1971", "date_type": "degree", "id_number": "CaltechTHESIS:09222010-130843966", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09222010-130843966", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "funders": { "items": [ { "agency": "U.S. Army Research Office and Advanced Research Projects Agency", "grant_number": "DA-31-124-ARO(D)-33" } ] }, "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-09-23 16:48:13", "doi": "10.7907/682B-HB46", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Behrens-W", "name": { "family": "Behrens", "given": "Wilhelm" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "chair" }, { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "chair" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1971-03-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1971", "author_list": "Wu, Jiunn-Jenq" }, { "id": "/id/eprint/1235", "eprint_id": 1235, "rev_number": 8, "documents": [ { "id": "/id/document/1873", "doc_id": 1873, "rev_number": 2, "files": [ { "id": "/id/file/11739", "fileid": 11739, "datasetid": "document", "objectid": 1873, "filename": "Liu_t_1970.pdf", "mime_type": "application/pdf", "filesize": 2983549, "mtime": "2012-12-26 02:36:32", "url": "/1235/1/Liu_t_1970.pdf" } ], "eprint_id": 1235, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Liu_t_1970.pdf", "language": "en", "security": "public", "license": "other", "main": "Liu_t_1970.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18653" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18653" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18653" } ] } }, { "id": "/id/document/18653", "doc_id": 18653, "rev_number": 2, "files": [ { "id": "/id/file/11737", "fileid": 11737, "datasetid": "document", "objectid": 18653, "filename": "preview.png", "mime_type": "image/png", "hash": "08188354eecadd83e45a7d046be42ef8", "hash_type": "MD5", "filesize": 9334, "mtime": "2012-12-26 02:36:31", "url": "/1235/2/preview.png" } ], "eprint_id": 1235, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1873" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1873" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1873" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/35", "datestamp": "2009-04-01", "lastmod": "2019-12-20 19:53:50", "status_changed": "2009-09-25 01:58:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Liu-T", "name": { "family": "Liu", "given": "Ting-Lung" }, "show_email": "NO" } ] }, "title": "An energy approach to the dynamic buckling of spherical caps", "ispublished": "unpub", "full_text_status": "public", "abstract": "An experimental study to determine the dynamic buckling load of a spherical cap under impulsive loading was carried out. Impulsive loading was realized experimentally by use of a spray deposited explosive (Silver Acetylide-Silver Nitrate). The experimental dynamic buckling loads were compared to the dynamic buckling loads as calculated by using an energy criterion. The critical load from the energy criterion was determined by the conducting static pressure volume tests on the spherical caps. It was found that experimental results were consistently below the dynamic buckling load as predicted by the energy criterion. It was thought that this inconsistency resulted from the fact that transition state found in the static experiment was not the same as the dynamic transition state.\n", "date": "1971", "date_type": "degree", "id_number": "CaltechETD:etd-03312009-153153", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03312009-153153", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-04-01", "doi": "10.7907/8JD0-W843", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "chair" }, { "id": "Hudson-D-E", "name": { "family": "Hudson", "given": "Donald E." }, "role": "member" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-31", "thesis_defense_date": "1970-09-24", "thesis_approved_date": "2009-04-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1971", "author_list": "Liu, Ting-Lung" }, { "id": "/id/eprint/1233", "eprint_id": 1233, "rev_number": 9, "documents": [ { "id": "/id/document/1871", "doc_id": 1871, "rev_number": 2, "files": [ { "id": "/id/file/11724", "fileid": 11724, "datasetid": "document", "objectid": 1871, "filename": "O'Pray_je_1970.pdf", "mime_type": "application/pdf", "filesize": 2951603, "mtime": "2012-12-26 02:36:31", "url": "/1233/1/O'Pray_je_1970.pdf" } ], "eprint_id": 1233, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "O'Pray_je_1970.pdf", "language": "en", "security": "public", "license": "other", "main": "O'Pray_je_1970.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18651" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18651" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18651" } ] } }, { "id": "/id/document/18651", "doc_id": 18651, "rev_number": 2, "files": [ { "id": "/id/file/11722", "fileid": 11722, "datasetid": "document", "objectid": 18651, "filename": "preview.png", "mime_type": "image/png", "hash": "d5916b16f8205b4305b9ddb3b404a1e0", "hash_type": "MD5", "filesize": 9374, "mtime": "2012-12-26 02:36:31", "url": "/1233/2/preview.png" } ], "eprint_id": 1233, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1871" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1871" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1871" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/33", "datestamp": "2009-04-01", "lastmod": "2021-07-23 19:35:07", "status_changed": "2009-09-25 01:58:46", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "O'Pray-John-Edwin", "name": { "family": "O'Pray", "given": "John Edwin" }, "show_email": "NO" } ] }, "title": "A Semi-Inverse Design Technique for Leading Edge Slats", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A design technique for analytically generating a leading edge slat which will induce the modulating field required to match a specified pressure distribution on the nose of an elliptical airfoil was developed. This planar potential flow solution can be readily generalized to the design of slats to prevent boundary-layer separation at the nose of an arbitrary airfoil. The technique is described as semi-inverse because the singularity representation for the slat is constrained so that only realistic slat shapes will be generated.
\r\n\r\nThe elliptical airfoil is mapped to a half-plane. In this domain, the slat is represented by a finite series of distributed singularities on an inclined chord line which is placed along a zero order nose flow streamline. These distributed singularities correspond to the singular and regular camber and thickness modes of thin airfoil theory. A suitable slat chord location in the half-plane is selected by examination of the distribution of the specified modulating velocity. For a fixed slat location, the slat-induced velocity field can be written explicitly in terms of the unknown series coefficients. A least squares matching to the specified modulating field is used to select the coefficients. The velocity distribution along the chord line is integrated to determine the slat surface streamlines which are then transformed back to the ellipse plane.
\r\n\r\nThe digital computer program for the semi-inverse solution can be executed rapidly. Once an appropriate slat chord location in the half-plane has been selected, an accurate matching of the specified pressure distribution on the airfoil can be achieved. The airfoil nose flow calculated by the semi-inverse solution agrees very closely with the flow computed by the Douglas-Neumann direct solution for the same slat geometry.
\r\n\r\nThe airfoil nose flow is very sensitive to the distribution of camber and thickness along the chord line. In some test cases, a modified semi-inverse solution was required in which the minimum acceptable slat thickness was prescribed and a restricted inversion solution was conducted to select the camber mode coefficients required to match the specified modulating field. For a thin airfoil with a severe nose suction peak, a small, thin, highly-cambered slat which is located close to the airfoil nose is desirable.
", "date": "1970", "date_type": "degree", "id_number": "CaltechETD:etd-03312009-144546", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03312009-144546", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-04-01", "doi": "10.7907/9X7D-HQ81", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lissaman-P-B-S", "name": { "family": "Lissaman", "given": "Peter B. S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-31", "thesis_defense_date": "1970-05-29", "thesis_approved_date": "2009-04-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1970", "author_list": "O'Pray, John Edwin" }, { "id": "/id/eprint/4550", "eprint_id": 4550, "rev_number": 8, "documents": [ { "id": "/id/document/7369", "doc_id": 7369, "rev_number": 2, "files": [ { "id": "/id/file/45007", "fileid": 45007, "datasetid": "document", "objectid": 7369, "filename": "Snel_h_1970.pdf", "mime_type": "application/pdf", "filesize": 1228808, "mtime": "2012-12-26 03:09:39", "url": "/4550/1/Snel_h_1970.pdf" } ], "eprint_id": 4550, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Snel_h_1970.pdf", "language": "en", "security": "public", "license": "other", "main": "Snel_h_1970.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23894" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23894" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23894" } ] } }, { "id": "/id/document/23894", "doc_id": 23894, "rev_number": 2, "files": [ { "id": "/id/file/45005", "fileid": 45005, "datasetid": "document", "objectid": 23894, "filename": "preview.png", "mime_type": "image/png", "hash": "26e726a078c701ab34fcc4e028cc6fff", "hash_type": "MD5", "filesize": 12342, "mtime": "2012-12-26 03:09:39", "url": "/4550/2/preview.png" } ], "eprint_id": 4550, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7369" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7369" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7369" } ] } }, { "id": "/id/document/124379", "doc_id": 124379, "rev_number": 1, "files": [ { "id": "/id/file/369809", "fileid": 369809, "datasetid": "document", "objectid": 124379, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "80e7e6437ef8b4d723f04b2e61306968", "hash_type": "MD5", "filesize": 6585, "mtime": "2021-06-23 23:30:59", "url": "/4550/3/indexcodes.txt" } ], "eprint_id": 4550, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7369" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7369" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7369" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/50", "datestamp": "2005-11-14", "lastmod": "2019-12-21 04:10:57", "status_changed": "2009-09-25 03:20:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Snel-H", "name": { "family": "Snel", "given": "Hermanus" }, "show_email": "NO" } ] }, "title": "The motion of a sphere in a cylinder filled with a viscous liquid and with a diameter slightly larger than the sphere diameter", "ispublished": "unpub", "full_text_status": "public", "abstract": "The flow around a sphere, moving under the influence of gravity in a long cylinder filled with a viscous liquid, is investigated, for the case where the inside diameter of the tube is only slightly larger than the diameter of the sphere.\n\nFor low Reynolds numbers, an extension of the Christopherson and Dowson (1) theory is obtained in the form of a first order Reynolds number correction. It is shown that the fluid exerts a first order inertial force on the ball, tending to increase the eccentricity ratio. The sideways motion of the ball due to this force has been calculated approximately.\n\nFor very high Reynolds numbers, a potential flow solution has been found in the form of a Fourier series. This solution also yields a force tending to increase the eccentricity ratio.\n\nExperiments have been done for intermediate Reynolds numbers. The motion of the ball appears to be unstable when the Reynolds number exceeds a critical value (about 10).", "date": "1970", "date_type": "degree", "id_number": "CaltechETD:etd-11142005-111117", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11142005-111117", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-14", "doi": "10.7907/DAYS-G298", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Saffman-P-G", "name": { "family": "Saffman", "given": "Philip G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-14", "thesis_defense_date": "1969-12-24", "thesis_approved_date": "2005-11-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1970", "author_list": "Snel, Hermanus" }, { "id": "/id/eprint/1221", "eprint_id": 1221, "rev_number": 9, "documents": [ { "id": "/id/document/1845", "doc_id": 1845, "rev_number": 2, "files": [ { "id": "/id/file/11579", "fileid": 11579, "datasetid": "document", "objectid": 1845, "filename": "Stevenson_rg_1969.pdf", "mime_type": "application/pdf", "filesize": 6030082, "mtime": "2012-12-26 02:36:22", "url": "/1221/1/Stevenson_rg_1969.pdf" } ], "eprint_id": 1221, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stevenson_rg_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Stevenson_rg_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18625" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18625" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18625" } ] } }, { "id": "/id/document/18625", "doc_id": 18625, "rev_number": 2, "files": [ { "id": "/id/file/11577", "fileid": 11577, "datasetid": "document", "objectid": 18625, "filename": "preview.png", "mime_type": "image/png", "hash": "8ff21f79b65d0b774bb131186d3d9c10", "hash_type": "MD5", "filesize": 11869, "mtime": "2012-12-26 02:36:22", "url": "/1221/2/preview.png" } ], "eprint_id": 1221, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1845" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1845" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1845" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/21", "datestamp": "2009-03-31", "lastmod": "2019-12-20 19:54:30", "status_changed": "2009-09-25 01:57:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stevenson-R-G", "name": { "family": "Stevenson", "given": "Robert George" }, "show_email": "NO" } ] }, "title": "An experimental study of the flow of a subsonic and turbulent boundary layer over a forward-facing step", "ispublished": "unpub", "full_text_status": "public", "abstract": "The incompressible flow over a normal step in a channel was investigated by making measurements of the static wall pressures upstream of the step, on the step face, and downstream of the step. Several parameters were varied in order to determine their influence on the pressure field. These parameters included the free stream velocity, step height, channel height, and the boundary layer thickness. Tests were made using water as the working medium.\n\nThe results indicate that the pressure field in the vicinity of the step base is highly dependent on the ratio of step height to boundary layer thickness, and that the far field is influenced strictly by the ratio of channel height to step height. This distinction becomes more clear when the step is at least two times the boundary layer thickness.\n", "date": "1969", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-132132", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-132132", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/BECB-V842", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1968-09-23", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1969", "author_list": "Stevenson, Robert George" }, { "id": "/id/eprint/1232", "eprint_id": 1232, "rev_number": 10, "documents": [ { "id": "/id/document/1870", "doc_id": 1870, "rev_number": 2, "files": [ { "id": "/id/file/11717", "fileid": 11717, "datasetid": "document", "objectid": 1870, "filename": "Stavro_w_1969.pdf", "mime_type": "application/pdf", "filesize": 2530144, "mtime": "2012-12-26 02:36:31", "url": "/1232/1/Stavro_w_1969.pdf" } ], "eprint_id": 1232, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stavro_w_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Stavro_w_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18650" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18650" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18650" } ] } }, { "id": "/id/document/18650", "doc_id": 18650, "rev_number": 2, "files": [ { "id": "/id/file/11715", "fileid": 11715, "datasetid": "document", "objectid": 18650, "filename": "preview.png", "mime_type": "image/png", "hash": "4b2a30656bc71dc17b4e2f6e28a868ed", "hash_type": "MD5", "filesize": 8438, "mtime": "2012-12-26 02:36:31", "url": "/1232/2/preview.png" } ], "eprint_id": 1232, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1870" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1870" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1870" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/32", "datestamp": "2009-03-31", "lastmod": "2019-12-20 19:32:06", "status_changed": "2009-09-25 01:58:46", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stavro-W-C", "name": { "family": "Stavro", "given": "William C." }, "show_email": "NO" } ] }, "title": "Low thrust trajectories using the two variable asymptotic expansion method", "ispublished": "unpub", "full_text_status": "public", "abstract": "An approximate analytic solution is derived in this thesis for the variables which describe a heliocentric low-thrust trajectory. The two-variable asymptotic expansion procedure is used. It is assumed that the thrust acceleration varies as the inverse of the distance to the central body raised to an arbitrary power \u03b1. Thus the value of \u03b1 = 1.4 will represent a solar-electric propulsion system, and the value of \u03b1 = 0 will represent a nuclear-electric system. It is also assumed that the mass of the spacecraft remains constant and that the direction of the thrust vector is arbitrary but remains constant. The results are compared to numerical integrations and to other integrating low-thrust programs.\n", "date": "1969", "date_type": "degree", "id_number": "CaltechETD:etd-03312009-143046", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03312009-143046", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/2DZ1-3033", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" }, { "id": "Wesseling-P", "name": { "family": "Wesseling", "given": "Pieter" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-31", "thesis_defense_date": "1969-05-20", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1969", "author_list": "Stavro, William C." }, { "id": "/id/eprint/4573", "eprint_id": 4573, "rev_number": 8, "documents": [ { "id": "/id/document/7396", "doc_id": 7396, "rev_number": 2, "files": [ { "id": "/id/file/45197", "fileid": 45197, "datasetid": "document", "objectid": 7396, "filename": "Morel_jp_1969.pdf", "mime_type": "application/pdf", "filesize": 5120170, "mtime": "2012-12-26 03:09:50", "url": "/4573/1/Morel_jp_1969.pdf" } ], "eprint_id": 4573, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Morel_jp_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Morel_jp_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23921" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23921" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23921" } ] } }, { "id": "/id/document/23921", "doc_id": 23921, "rev_number": 2, "files": [ { "id": "/id/file/45195", "fileid": 45195, "datasetid": "document", "objectid": 23921, "filename": "preview.png", "mime_type": "image/png", "hash": "a5efd231a30e970f222ece0a0cecaa40", "hash_type": "MD5", "filesize": 9046, "mtime": "2012-12-26 03:09:50", "url": "/4573/2/preview.png" } ], "eprint_id": 4573, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7396" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7396" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7396" } ] } }, { "id": "/id/document/124395", "doc_id": 124395, "rev_number": 1, "files": [ { "id": "/id/file/369825", "fileid": 369825, "datasetid": "document", "objectid": 124395, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "961512adde9e4fc2cda48aab69070cd3", "hash_type": "MD5", "filesize": 10625, "mtime": "2021-06-23 23:31:48", "url": "/4573/3/indexcodes.txt" } ], "eprint_id": 4573, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7396" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7396" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7396" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/73", "datestamp": "2005-11-16", "lastmod": "2019-12-20 19:46:28", "status_changed": "2009-09-25 03:21:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Morel-J-G", "name": { "family": "Morel", "given": "Jean-Pierre Georges" }, "show_email": "NO" } ] }, "title": "Theoretical solutions for the jet flap diffuser", "ispublished": "unpub", "full_text_status": "public", "abstract": "This study proposes a jet sheet as an alternative to a rigid diffuser for a momentum propulsor. This appears attractive technically. The diffuser shape can be tailored by modulating jet momentum and angle and can be switched off in forward flight since its main function is increasing thrust/power ratio at static speeds. Theoretical analysis for a steady inviscid incompressible flow predicts impressive thrust augmentations. Taking into account the energy required to feed the jet sheet, it appears that in some cases propulsor thrust can be more than doubled. It could be applied to ducted fans, jet engines and seems particularly attractive for ejector thrust systems.\n\nA first approach of the study of the flow is made in the planar and axisymmetric cases by assuming that the velocity is uniform in each section. For the planar problem a linearized solution is presented. A conformal mapping transforms it into a half-plane boundary value problem of the Riemann-Hilbert-Poincare type. It is solved by combining Filbert Transforms, asymptotic expansion and a digital computer program. Then the nonlinear two-dimensional problem is presented with some references to the way it could be solved.\n", "date": "1969", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-140840", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-140840", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/Y75H-MC77", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lissaman-P-B-S", "name": { "family": "Lissaman", "given": "Peter B. S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1969-05-28", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1969", "author_list": "Morel, Jean-Pierre Georges" }, { "id": "/id/eprint/5018", "eprint_id": 5018, "rev_number": 8, "documents": [ { "id": "/id/document/7940", "doc_id": 7940, "rev_number": 2, "files": [ { "id": "/id/file/48883", "fileid": 48883, "datasetid": "document", "objectid": 7940, "filename": "Thach_nr_1969.pdf", "mime_type": "application/pdf", "filesize": 1281361, "mtime": "2012-12-26 03:13:46", "url": "/5018/1/Thach_nr_1969.pdf" } ], "eprint_id": 5018, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Thach_nr_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Thach_nr_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24450" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24450" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24450" } ] } }, { "id": "/id/document/24450", "doc_id": 24450, "rev_number": 2, "files": [ { "id": "/id/file/48881", "fileid": 48881, "datasetid": "document", "objectid": 24450, "filename": "preview.png", "mime_type": "image/png", "hash": "c4fd04b49201c563854621e25a0ed742", "hash_type": "MD5", "filesize": 9764, "mtime": "2012-12-26 03:13:46", "url": "/5018/2/preview.png" } ], "eprint_id": 5018, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7940" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7940" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7940" } ] } }, { "id": "/id/document/124657", "doc_id": 124657, "rev_number": 1, "files": [ { "id": "/id/file/370087", "fileid": 370087, "datasetid": "document", "objectid": 124657, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "69de390467e6f29f09c89d3c7176332e", "hash_type": "MD5", "filesize": 9966, "mtime": "2021-06-23 23:47:27", "url": "/5018/3/indexcodes.txt" } ], "eprint_id": 5018, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7940" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7940" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7940" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/18", "datestamp": "2005-12-16", "lastmod": "2019-12-21 02:05:36", "status_changed": "2009-09-25 03:30:49", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Thach-N-R", "name": { "family": "Thach", "given": "Nathan Raymond" }, "show_email": "NO" } ] }, "title": "The flow of a rarefied gas through a circular orifice and a two-dimensional slit", "ispublished": "unpub", "full_text_status": "public", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\n\nExperiments were conducted to measure the mass flow of helium through a circular orifice and a two-dimensional slit over a wide range of Reynolds number for large pressure ratios across the test apertures. The Reynolds number, defined as [...] for the orifice and [...] for the slit, ranged nominally from 5 x [...] to 3 x [...]. The upstream-to-downstream pressure ratio, [...], was at all times greater than 100:1 so that the Mach number, defined as [...], was at all times approximately unity.\n\nThe results of the present experiments on the circular orifice are found to compare favorably with the results of experimental and theoretical work on the circular orifice by previous investigators. The results of the present experiments on the two-dimensional slit (which appear to be the first of this nature) do not compare favorably with the results of the meager amount of theoretical work on the two-dimensional slit.\n\nThe transition from free-molecule flow to continuum-limit flow for the circular orifice appears to be substantially complete within the range [...]. The two-dimensional slit behaves very much like the circular orifice for [...]. Unlike the circular orifice, however, the transition from free-molecule flow to continuum-limit flow for the two-dimensional slit appears to cover the range [...].\n ", "date": "1969", "date_type": "degree", "id_number": "CaltechETD:etd-12162005-104414", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162005-104414", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-16", "doi": "10.7907/B8GW-KD14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-16", "thesis_defense_date": "1968-09-23", "thesis_approved_date": "2005-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1969", "author_list": "Thach, Nathan Raymond" }, { "id": "/id/eprint/4570", "eprint_id": 4570, "rev_number": 8, "documents": [ { "id": "/id/document/7393", "doc_id": 7393, "rev_number": 2, "files": [ { "id": "/id/file/45176", "fileid": 45176, "datasetid": "document", "objectid": 7393, "filename": "Delph_tj_1969.pdf", "mime_type": "application/pdf", "filesize": 1740996, "mtime": "2012-12-26 03:09:49", "url": "/4570/1/Delph_tj_1969.pdf" } ], "eprint_id": 4570, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Delph_tj_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Delph_tj_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23918" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23918" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23918" } ] } }, { "id": "/id/document/23918", "doc_id": 23918, "rev_number": 2, "files": [ { "id": "/id/file/45174", "fileid": 45174, "datasetid": "document", "objectid": 23918, "filename": "preview.png", "mime_type": "image/png", "hash": "28f2e26b7951de94f4152cb60906485f", "hash_type": "MD5", "filesize": 10119, "mtime": "2012-12-26 03:09:49", "url": "/4570/2/preview.png" } ], "eprint_id": 4570, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7393" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7393" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7393" } ] } }, { "id": "/id/document/124392", "doc_id": 124392, "rev_number": 1, "files": [ { "id": "/id/file/369822", "fileid": 369822, "datasetid": "document", "objectid": 124392, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "1cd2b3f7aeb9e262512013ca4396f5c2", "hash_type": "MD5", "filesize": 6820, "mtime": "2021-06-23 23:31:41", "url": "/4570/3/indexcodes.txt" } ], "eprint_id": 4570, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7393" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7393" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7393" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/70", "datestamp": "2005-11-16", "lastmod": "2019-12-20 19:35:59", "status_changed": "2009-09-25 03:21:05", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Delph-T-J", "name": { "family": "Delph", "given": "Terry Joseph" }, "show_email": "NO" } ] }, "title": "The dynamic stability under impulsive loading of shallow arches with elastic end restraints", "ispublished": "unpub", "full_text_status": "public", "abstract": "A theoretical and experimental study of the buckling under impulsive load of an arch with rotational end restraints was carried out.\n\nImpulsive loading was realized experimentally by use of the spray deposited explosive silver nitrate-silver acetylide. The experimental buckling loads were compared to those obtained by a theoretical analysis. It was found that the theoretical analysis yields a quite conservative lower bound on the magnitude of load necessary for buckling. Both uniform and nonuniform loadings were considered.\n\nIt was found that there exists a critical value of rotational spring constant above which dynamic buckling may not occur in the rigorous mathematical sense. An expression for this critical value was found.", "date": "1969", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-104435", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-104435", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/GRVF-AN95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1969-01-01", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1969", "author_list": "Delph, Terry Joseph" }, { "id": "/id/eprint/4577", "eprint_id": 4577, "rev_number": 8, "documents": [ { "id": "/id/document/7400", "doc_id": 7400, "rev_number": 2, "files": [ { "id": "/id/file/45225", "fileid": 45225, "datasetid": "document", "objectid": 7400, "filename": "Weidman_pd_1968.pdf", "mime_type": "application/pdf", "filesize": 2472652, "mtime": "2012-12-26 03:09:52", "url": "/4577/1/Weidman_pd_1968.pdf" } ], "eprint_id": 4577, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Weidman_pd_1968.pdf", "language": "en", "security": "public", "license": "other", "main": "Weidman_pd_1968.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23925" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23925" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23925" } ] } }, { "id": "/id/document/23925", "doc_id": 23925, "rev_number": 2, "files": [ { "id": "/id/file/45223", "fileid": 45223, "datasetid": "document", "objectid": 23925, "filename": "preview.png", "mime_type": "image/png", "hash": "8b578b7ede0832b3ab740913982724a9", "hash_type": "MD5", "filesize": 10488, "mtime": "2012-12-26 03:09:52", "url": "/4577/2/preview.png" } ], "eprint_id": 4577, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7400" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7400" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7400" } ] } }, { "id": "/id/document/124399", "doc_id": 124399, "rev_number": 1, "files": [ { "id": "/id/file/369829", "fileid": 369829, "datasetid": "document", "objectid": 124399, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "0409fc0e448a1a389d6d1278bd2abe83", "hash_type": "MD5", "filesize": 10442, "mtime": "2021-06-23 23:31:57", "url": "/4577/3/indexcodes.txt" } ], "eprint_id": 4577, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7400" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7400" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7400" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/77", "datestamp": "2005-11-16", "lastmod": "2019-12-20 19:48:11", "status_changed": "2009-09-25 03:21:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Weidman-P-D", "name": { "family": "Weidman", "given": "Patrick D." }, "show_email": "NO" } ] }, "title": "Wake transition and blockage effects on cylinder base pressures", "ispublished": "unpub", "full_text_status": "public", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\n\nBase pressure measurements of circular cylinders at Reynolds numbers from 100 to 3 x [...] were obtained in a low speed wind tunnel. Pressure distributions from [...] to [...] were also obtained.\n\nIn the Reynolds number region from the first appearance of an unsteady wake to the critical Reynolds number the base pressure coefficient shows two maximums and two minimums. The first maximum (Rd [...] 50) coincides with the first appearance, of the Karman vortex street. The succeeding minimum (Rd [...] 300) probably corresponds to the movement of the onset of transition from the end of the vortex-formation region into the free shear layers. The following maximum (Rd [...] 2200) is accompanied by a small discontinuity in the base pressure curve and a decrease in the Strouhal number. The final minimum corresponds to the end of the Schiller-Linke region, at which point transition to turbulence occurs in the free shear layers very near to the shoulder of the cylinder.\n\nA comparison of the blockage correction theories of Maskell and Allen and Vincenti was made at [...] = 6 x [...]. The value of the base pressure coefficient in an unlimited stream at this Reynolds number was found to be [...] = -1.215 for cylinders of one particular roughness, though this value depends on other unit Reynolds number effects. These effects can also result in a significant Reynolds number shift of the base pressure coefficients.", "date": "1968", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-153638", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-153638", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/95CE-1189", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1968-05-24", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1968", "author_list": "Weidman, Patrick D." }, { "id": "/id/eprint/4511", "eprint_id": 4511, "rev_number": 10, "documents": [ { "id": "/id/document/7327", "doc_id": 7327, "rev_number": 2, "files": [ { "id": "/id/file/44716", "fileid": 44716, "datasetid": "document", "objectid": 7327, "filename": "Chao_cc_1968.pdf", "mime_type": "application/pdf", "filesize": 1767598, "mtime": "2012-12-26 03:09:21", "url": "/4511/1/Chao_cc_1968.pdf" } ], "eprint_id": 4511, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chao_cc_1968.pdf", "language": "en", "security": "public", "license": "other", "main": "Chao_cc_1968.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23855" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23855" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23855" } ] } }, { "id": "/id/document/23855", "doc_id": 23855, "rev_number": 2, "files": [ { "id": "/id/file/44714", "fileid": 44714, "datasetid": "document", "objectid": 23855, "filename": "preview.png", "mime_type": "image/png", "hash": "329393b909ef85b2f696ede5c3c2f916", "hash_type": "MD5", "filesize": 10152, "mtime": "2012-12-26 03:09:21", "url": "/4511/2/preview.png" } ], "eprint_id": 4511, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7327" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7327" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7327" } ] } }, { "id": "/id/document/124352", "doc_id": 124352, "rev_number": 1, "files": [ { "id": "/id/file/369782", "fileid": 369782, "datasetid": "document", "objectid": 124352, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "3ab01c3ac129cba99ffe8233497d66f6", "hash_type": "MD5", "filesize": 6582, "mtime": "2021-06-23 23:29:20", "url": "/4511/3/indexcodes.txt" } ], "eprint_id": 4511, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7327" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7327" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7327" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/11", "datestamp": "2005-11-11", "lastmod": "2019-12-21 01:49:06", "status_changed": "2009-09-25 03:19:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chao-Chia-Chun", "name": { "family": "Chao", "given": "Chia-Chun" }, "show_email": "NO" } ] }, "title": "Constant-pressure laminar mixing of a shear layer with a quiescent fluid", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The constant-pressure laminar mixing of an initial shear layer with a quiescent fluid is studied theoretically. The line of singularities at the starting point is removed by abandoning the conventional restriction that the dividing streamline must coincide with the x-axis. Instead, the shape of this streamline in the \"near-field\" is determined by properly matching inner and outer flow regions so as to cancel any additional induced normal velocity and pressure disturbances in the outer flow. The \"far-field\" is obtained by applying the momentum integral technique beginning with the profiles determined by the near-field solution some distance downstream of the start of mixing. Universal functions are obtained that enable the progress of the mixing process to be followed both for a Blasius initial profile and an initial profile with a finite slip.", "date": "1968", "date_type": "degree", "id_number": "CaltechETD:etd-11112005-153627", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11112005-153627", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-11", "doi": "10.7907/8FYR-SB25", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-11", "thesis_defense_date": "1968-02-20", "thesis_approved_date": "2005-11-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1968", "author_list": "Chao, Chia-Chun" }, { "id": "/id/eprint/4510", "eprint_id": 4510, "rev_number": 9, "documents": [ { "id": "/id/document/7326", "doc_id": 7326, "rev_number": 2, "files": [ { "id": "/id/file/44708", "fileid": 44708, "datasetid": "document", "objectid": 7326, "filename": "Majumdar_s_1968.pdf", "mime_type": "application/pdf", "filesize": 1525332, "mtime": "2012-12-26 03:09:20", "url": "/4510/1/Majumdar_s_1968.pdf" } ], "eprint_id": 4510, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Majumdar_s_1968.pdf", "language": "en", "security": "public", "license": "other", "main": "Majumdar_s_1968.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23854" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23854" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23854" } ] } }, { "id": "/id/document/23854", "doc_id": 23854, "rev_number": 2, "files": [ { "id": "/id/file/44706", "fileid": 44706, "datasetid": "document", "objectid": 23854, "filename": "preview.png", "mime_type": "image/png", "hash": "73ecb373ee9148cd25993c7c94c4c01f", "hash_type": "MD5", "filesize": 10432, "mtime": "2012-12-26 03:09:20", "url": "/4510/2/preview.png" } ], "eprint_id": 4510, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7326" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7326" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7326" } ] } }, { "id": "/id/document/124351", "doc_id": 124351, "rev_number": 1, "files": [ { "id": "/id/file/369781", "fileid": 369781, "datasetid": "document", "objectid": 124351, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "73a8a1e69b084692ae798881357d5d16", "hash_type": "MD5", "filesize": 6330, "mtime": "2021-06-23 23:29:19", "url": "/4510/3/indexcodes.txt" } ], "eprint_id": 4510, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7326" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7326" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7326" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/10", "datestamp": "2005-11-11", "lastmod": "2019-12-21 01:59:24", "status_changed": "2009-09-25 03:19:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Majumdar-S", "name": { "family": "Majumdar", "given": "Suarindranath" }, "show_email": "NO" } ] }, "title": "Buckling of thin annular plates due to radial compressive loading", "ispublished": "unpub", "full_text_status": "public", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\n\nBuckling of circular annular plates with the outer edge clamped and the inner edge free loaded with a uniform radial compressive force applied at the outside edge has been studied both theoretically and experimentally. A differential equation of equilibrium of the buckled plate has been developed for any general deflection pattern and solutions corresponding to the buckled form [...] Cos n 0 have been sought. The differential equation has been solved exactly for n = 0 and n = l and approximately for higher values of n as well as for n = 0 and 1. The solutions indicate that, for small ratios of inner to outer radius, the plates buckle into a radially symmetric buckling mode, but for the ratio of inner to outer radius exceeding a certain minimum value the minimum buckling load corresponds to buckling modes with waves along the circumference, the number of which depends on the particular ratio of the inner and outer radii. Tests were carried out using thin aluminum plates and the results agreed reasonably well with the theoretical predictions.\n", "date": "1968", "date_type": "degree", "id_number": "CaltechETD:etd-11112005-152910", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11112005-152910", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-11", "doi": "10.7907/QAE9-G437", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Babcock-C-D", "name": { "family": "Babcock", "given": "Charles D." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-11", "thesis_defense_date": "1968-01-01", "thesis_approved_date": "2005-11-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1968", "author_list": "Majumdar, Suarindranath" }, { "id": "/id/eprint/4571", "eprint_id": 4571, "rev_number": 9, "documents": [ { "id": "/id/document/7394", "doc_id": 7394, "rev_number": 2, "files": [ { "id": "/id/file/45183", "fileid": 45183, "datasetid": "document", "objectid": 7394, "filename": "Walter_u_1967.pdf", "mime_type": "application/pdf", "filesize": 1238791, "mtime": "2012-12-26 03:09:49", "url": "/4571/1/Walter_u_1967.pdf" } ], "eprint_id": 4571, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Walter_u_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Walter_u_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23919" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23919" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23919" } ] } }, { "id": "/id/document/23919", "doc_id": 23919, "rev_number": 2, "files": [ { "id": "/id/file/45181", "fileid": 45181, "datasetid": "document", "objectid": 23919, "filename": "preview.png", "mime_type": "image/png", "hash": "ed236bdc07b2031f2822e5acb6229295", "hash_type": "MD5", "filesize": 12226, "mtime": "2012-12-26 03:09:49", "url": "/4571/2/preview.png" } ], "eprint_id": 4571, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7394" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7394" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7394" } ] } }, { "id": "/id/document/124393", "doc_id": 124393, "rev_number": 1, "files": [ { "id": "/id/file/369823", "fileid": 369823, "datasetid": "document", "objectid": 124393, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "d7aece6f61eef95d625c9a7325d98ea2", "hash_type": "MD5", "filesize": 8587, "mtime": "2021-06-23 23:31:44", "url": "/4571/3/indexcodes.txt" } ], "eprint_id": 4571, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7394" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7394" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7394" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/71", "datestamp": "2005-11-16", "lastmod": "2024-03-20 22:03:26", "status_changed": "2009-09-25 03:21:06", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Walter-Uso", "name": { "family": "Walter", "given": "Uso" }, "show_email": "NO" } ] }, "title": "A Study of the Longitudinal Low Frequency (Phugoid) Motion of an Airplane at Supersonic and Hypersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe character of the longitudinal low frequency (phugoid) motion of a rigid airplane with controls fixed is investigated for the flight Mach number range from 1.25 to 8.0 using the physical and aerodynamic data of the North American X-15 research airplane.\r\n\r\nThe validity of the simplifying assumptions made in most low speed airplane stability investigations (symmetry of the airplane and of the air flow, small perturbations) is established for the problem under consideration.\r\n\r\nThe equations of longitudinal motion have been solved for the flight altitudes: sea level, 20,000 ft., 40,000 ft., and 60,000 ft.; and in, addition the roots of the simplified equations resulting from the phugoid approximation have been calculated for the same flight situations. It is found that the deviation of these approximate solutions from the solutions of the complete longitudinal equations is below 5 per cent throughout the considered range of flight conditions, and for most calculated points is less than 2 per cent. The phugoid roots are complex at 60,000 ft. altitude and real at sea level, with transition from one mode to the other at the intermediate flight altitudes. The real part of the roots is always negative, i. e., there is no divergence of the motion. Using the phugoid approximation, a criterion for the de-generation of the periodic phugoid mode into aperiodic modes is derived in form of a critical value of the lift to drag ratio [...].\r\n\r\nIn an appendix, the influence of an additional damping force (thrust control by the auto-pilot) on the character of the phugoid roots is shown.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-105053", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-105053", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/CNZT-1P02", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1967-05-26", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Walter, Uso" }, { "id": "/id/eprint/5156", "eprint_id": 5156, "rev_number": 13, "documents": [ { "id": "/id/document/8156", "doc_id": 8156, "rev_number": 2, "files": [ { "id": "/id/file/50240", "fileid": 50240, "datasetid": "document", "objectid": 8156, "filename": "Chen_jc_1967.pdf", "mime_type": "application/pdf", "filesize": 928317, "mtime": "2012-12-26 03:15:21", "url": "/5156/1/Chen_jc_1967.pdf" } ], "eprint_id": 5156, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chen_jc_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Chen_jc_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24659" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24659" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24659" } ] } }, { "id": "/id/document/24659", "doc_id": 24659, "rev_number": 2, "files": [ { "id": "/id/file/50238", "fileid": 50238, "datasetid": "document", "objectid": 24659, "filename": "preview.png", "mime_type": "image/png", "hash": "9b366fed36a9579bbd9e16ad133bcd99", "hash_type": "MD5", "filesize": 10494, "mtime": "2012-12-26 03:15:21", "url": "/5156/2/preview.png" } ], "eprint_id": 5156, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8156" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8156" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8156" } ] } }, { "id": "/id/document/124830", "doc_id": 124830, "rev_number": 1, "files": [ { "id": "/id/file/370260", "fileid": 370260, "datasetid": "document", "objectid": 124830, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "6f696f7b91add84162473c6895f65819", "hash_type": "MD5", "filesize": 6931, "mtime": "2021-06-23 23:55:59", "url": "/5156/3/indexcodes.txt" } ], "eprint_id": 5156, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8156" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8156" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8156" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/56", "datestamp": "2005-12-29", "lastmod": "2024-03-15 18:49:08", "status_changed": "2009-09-25 03:34:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chen-Jay-Chung", "name": { "family": "Chen", "given": "Jay Chung" }, "show_email": "NO" } ] }, "title": "Extreme Value Analysis of Fluctuating Air Loads Acting on a Cylinder", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe fluctuating air loads over the surface of a smooth, cantilevered circular cylinder perpendicular to a flow in the supercritical Reynolds number ranging from [...] to [...] have been investigated according to Gumbel's extreme value theory.\r\n\r\nThe envelope of the extreme values of the pressure was found to be much greater than the static pressure and the root-mean-square values and decreased with increasing Reynolds number.\r\n\r\nOn the other hand, the envelope of the extreme values of the resultant force was generally unrelated with Reynolds number.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-12282005-134521", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12282005-134521", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/37E4-WS51", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-28", "thesis_defense_date": "1966-09-23", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Chen, Jay Chung" }, { "id": "/id/eprint/2775", "eprint_id": 2775, "rev_number": 10, "documents": [ { "id": "/id/document/5093", "doc_id": 5093, "rev_number": 2, "files": [ { "id": "/id/file/29747", "fileid": 29747, "datasetid": "document", "objectid": 5093, "filename": "Eddington_rb_1967.pdf", "mime_type": "application/pdf", "filesize": 53743377, "mtime": "2012-12-26 02:54:17", "url": "/2775/1/Eddington_rb_1967.pdf" } ], "eprint_id": 2775, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Eddington_rb_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Eddington_rb_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21645" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21645" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21645" } ] } }, { "id": "/id/document/21645", "doc_id": 21645, "rev_number": 2, "files": [ { "id": "/id/file/29745", "fileid": 29745, "datasetid": "document", "objectid": 21645, "filename": "preview.png", "mime_type": "image/png", "hash": "81516fe51e8bb8109a703829b8bee713", "hash_type": "MD5", "filesize": 14152, "mtime": "2012-12-26 02:54:17", "url": "/2775/2/preview.png" } ], "eprint_id": 2775, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5093" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5093" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5093" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/27/75", "datestamp": "2006-07-13", "lastmod": "2024-03-15 22:06:43", "status_changed": "2009-09-25 02:44:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Eddington-Robert-Barnes", "name": { "family": "Eddington", "given": "Robert Barnes" }, "show_email": "NO" } ] }, "title": "Investigation of Supersonic Shock Phenomena in a Two-Phase (Liquid-Gas) Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "note": "Also published as JPL Technical Report 32-1096.", "abstract": "Homogeneous two-phase flows of dispersed liquid and gas having gas-to-liquid volume ratios around 1:1 exhibit the characteristics of a continuum flow with a greatly reduced sound propagational velocity that approaches 66 ft/sec at atmospheric pressure, and that is reduced further in value as the square root of the pressure. Flows of such mixtures at velocities in excess of the local velocity of sound can produce shock phenomena similar to that experienced in supersonic gaseous media. A supersonic two-phase tunnel was designed and built with such versatility and precision that normal and oblique shock structures can be photographed and analyzed in the absence of boundary-layer interference. The applicability of the isothermal continuum theory to such flows is confirmed empirically for volume ratios near 1:1, and the theory is mathematically extended for both normal and oblique shocks over a wide range of volume ratios centered about the 1:1 value. Auxiliary flow devices were constructed for the measurement of such difficult flow parameters as the relative phase velocity, local void ratio, coefficient of friction, and stagnation pressure. A general change in the flow model matrix was found at volume ratios approaching 1:1. Pressure gradients and relative phase velocities were correlated with the proposed flow models with generally good agreement. The coefficient of friction measured for supersonic flow was found to be a simple function of the local void ratio. Stagnation pressures measured for a wide range of flow conditions approximate an isentropic relation for a substantial part of the lower velocity spectrum. At higher velocities, the stagnation pressure closely approaches the normal shock plus isentropic slowdown theory. Considerable photographic information pertaining to shock structure and phase movement is obtained over the spectrum of flow conditions with Mach numbers ranging from 2 to 20.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-06292006-133727", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06292006-133727", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-07-13", "doi": "10.7907/9RJT-A855", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-06-29", "thesis_defense_date": "1967-03-15", "thesis_approved_date": "2006-07-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Eddington, Robert Barnes" }, { "id": "/id/eprint/4578", "eprint_id": 4578, "rev_number": 9, "documents": [ { "id": "/id/document/7401", "doc_id": 7401, "rev_number": 2, "files": [ { "id": "/id/file/45232", "fileid": 45232, "datasetid": "document", "objectid": 7401, "filename": "Suzuki_bh_1967.pdf", "mime_type": "application/pdf", "filesize": 10480912, "mtime": "2012-12-26 03:09:52", "url": "/4578/1/Suzuki_bh_1967.pdf" } ], "eprint_id": 4578, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Suzuki_bh_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Suzuki_bh_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23926" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23926" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23926" } ] } }, { "id": "/id/document/23926", "doc_id": 23926, "rev_number": 2, "files": [ { "id": "/id/file/45230", "fileid": 45230, "datasetid": "document", "objectid": 23926, "filename": "preview.png", "mime_type": "image/png", "hash": "9998390b0a70ce3829dac8486fab06cb", "hash_type": "MD5", "filesize": 10516, "mtime": "2012-12-26 03:09:52", "url": "/4578/2/preview.png" } ], "eprint_id": 4578, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7401" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7401" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7401" } ] } }, { "id": "/id/document/124400", "doc_id": 124400, "rev_number": 1, "files": [ { "id": "/id/file/369830", "fileid": 369830, "datasetid": "document", "objectid": 124400, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "b1ea3be41c887aba694e781cb25678b1", "hash_type": "MD5", "filesize": 19154, "mtime": "2021-06-23 23:31:58", "url": "/4578/3/indexcodes.txt" } ], "eprint_id": 4578, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7401" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7401" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7401" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/78", "datestamp": "2005-11-16", "lastmod": "2024-03-11 20:14:50", "status_changed": "2009-09-25 03:21:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Suzuki-Bob-Hiro", "name": { "family": "Suzuki", "given": "Bob Hiro" }, "show_email": "NO" } ] }, "title": "Magnetofluid-Dynamic Drag Measurements on Semi-Infinite Bodies in Aligned Fields", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nExperiments are described in which measurements were made of the drag of semi-infinite bodies moving parallel to a uniform magnetic field in a conducting fluid. Two of these bodies were moderately streamlined halfbodies and a third was a blunt halfbody. The drag coefficients of all three bodies were found to increase monotonically as a function of the interaction parameter, N. This parameter was varied in the experiments from 0 to about 24. The drag coefficients of the streamlined halfbodies were found to increase linearly with N for N <= 0(1) in agreement with a simple theory based on a calculation of the Joule dissipation. On the other hand, for the same range of N, the drag coefficient of the blunt halfbody was found to increase negligibly from its zero-field value of 0.66. For N>>1, the drag coefficients of all three bodies were of 0(1) and appeared to be asymptotically converging to some common limiting value. Although the drag could not be calculated for large, finite values of N, an inviscid theoretical model of the flow is described from which it is concluded that the drag coefficient of any halfbody must approach unity as [...].\r\n\r\nIn addition to the experiments with the semi-infinite bodies, experiments are also described in which measurements were made of the non-magnetic drag of impulsively-started flat disks. Some unexpected and interesting transient variations in this drag were observed and are attributed to the vortex formation process in the wake.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-154514", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-154514", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/JWK4-BM31", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1967-05-04", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Suzuki, Bob Hiro" }, { "id": "/id/eprint/5162", "eprint_id": 5162, "rev_number": 11, "documents": [ { "id": "/id/document/8167", "doc_id": 8167, "rev_number": 2, "files": [ { "id": "/id/file/50307", "fileid": 50307, "datasetid": "document", "objectid": 8167, "filename": "Henderson_ah_1967.pdf", "mime_type": "application/pdf", "filesize": 2124018, "mtime": "2012-12-26 03:15:26", "url": "/5162/1/Henderson_ah_1967.pdf" } ], "eprint_id": 5162, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Henderson_ah_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Henderson_ah_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24670" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24670" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24670" } ] } }, { "id": "/id/document/24670", "doc_id": 24670, "rev_number": 2, "files": [ { "id": "/id/file/50305", "fileid": 50305, "datasetid": "document", "objectid": 24670, "filename": "preview.png", "mime_type": "image/png", "hash": "098e1a2e43d4306aad101b2a6fa50a82", "hash_type": "MD5", "filesize": 11108, "mtime": "2012-12-26 03:15:26", "url": "/5162/2/preview.png" } ], "eprint_id": 5162, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8167" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8167" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8167" } ] } }, { "id": "/id/document/124841", "doc_id": 124841, "rev_number": 1, "files": [ { "id": "/id/file/370271", "fileid": 370271, "datasetid": "document", "objectid": 124841, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "f1821f35a7e93b8624b0d7258cbe6aaf", "hash_type": "MD5", "filesize": 13264, "mtime": "2021-06-23 23:56:14", "url": "/5162/3/indexcodes.txt" } ], "eprint_id": 5162, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8167" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8167" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8167" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/62", "datestamp": "2005-12-29", "lastmod": "2024-03-18 22:44:25", "status_changed": "2009-09-25 03:34:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Henderson-Arnold-Herbert", "name": { "family": "Henderson", "given": "Arnold Herbert" }, "show_email": "NO" } ] }, "title": "Construction and Testing of a Rarefied Gas Flow Facility", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A low-density gasdynamic facility, suitable for measurement of mass flow through small (approximately 1 mm diameter) nozzles, tubes, and orifices, was designed and constructed. The system is capable of producing and measuring mass flows at 100:1 upstream/downstream pressure ratios for the entire spectrum from continuum to free molecular flow.\r\n\r\nResults of preliminary tests on an orifice are shown and compared with the work of previous investigators. The regime of transition flow is apparently shown to extend to higher Knudsen numbers than previously postulated. The ratio, of actual mass flow to theoretical free-molecule mass flow is shown to increase smoothly from a limiting value of 1.0 at high Knudsen numbers to an apparent limiting value at very low continuum-flow Knudsen numbers.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-12292005-083819", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12292005-083819", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/CCG6-QV79", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-29", "thesis_defense_date": "1966-09-22", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Henderson, Arnold Herbert" }, { "id": "/id/eprint/4572", "eprint_id": 4572, "rev_number": 10, "documents": [ { "id": "/id/document/7395", "doc_id": 7395, "rev_number": 2, "files": [ { "id": "/id/file/45190", "fileid": 45190, "datasetid": "document", "objectid": 7395, "filename": "Navarro-Cantero_c_1967.pdf", "mime_type": "application/pdf", "filesize": 1056333, "mtime": "2012-12-26 03:09:50", "url": "/4572/1/Navarro-Cantero_c_1967.pdf" } ], "eprint_id": 4572, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Navarro-Cantero_c_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "Navarro-Cantero_c_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23920" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23920" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23920" } ] } }, { "id": "/id/document/23920", "doc_id": 23920, "rev_number": 2, "files": [ { "id": "/id/file/45188", "fileid": 45188, "datasetid": "document", "objectid": 23920, "filename": "preview.png", "mime_type": "image/png", "hash": "294b1d6a5564fa6bf31f44c54d45bca8", "hash_type": "MD5", "filesize": 9469, "mtime": "2012-12-26 03:09:50", "url": "/4572/2/preview.png" } ], "eprint_id": 4572, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7395" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7395" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7395" } ] } }, { "id": "/id/document/124394", "doc_id": 124394, "rev_number": 1, "files": [ { "id": "/id/file/369824", "fileid": 369824, "datasetid": "document", "objectid": 124394, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "391e4a7c0a4f73f232f46e683fa4f4e5", "hash_type": "MD5", "filesize": 5628, "mtime": "2021-06-23 23:31:46", "url": "/4572/3/indexcodes.txt" } ], "eprint_id": 4572, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7395" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7395" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7395" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/72", "datestamp": "2005-11-16", "lastmod": "2024-03-19 21:22:47", "status_changed": "2009-09-25 03:21:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Navarro-Cantero-Carlos", "name": { "family": "Navarro-Cantero", "given": "Carlos" }, "show_email": "NO" } ] }, "title": "The Thermal Rayleigh Problem in Perfect and Ionized Gases", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The problem of a heated gas at rest in contact with a cold wall has applications in shock tubes when a shock wave reflects at the end wall. A boundary layer arises that can be solved for constant conditions outside the boundary layer. In this paper, this condition is relaxed and the gas is permitted to undergo variations of pressure.\r\n\r\nThe equation has been derived for the boundary layer under those conditions, and a similarity solution was found for isentropic variations of a perfect gas outside the boundary layer. This solution is only valid for a temperature of the gas much greater than the temperature of the wall, unless the latter would follow a determined variation with time. Two cases were studied; one with thermal conductivity of the gas proportional to a power of the temperature, and the other with conductivity proportional to temperature. In the first case, an integral method has to be used, which gives an excellent approximation. For the second case, the solution is worked out either by similarity procedures or by series expansions.\r\n\r\nHeat transfer and temperature in the boundary layer are seen to depend on the pressure, which acts like a weighting factor on time.\r\n\r\nFor ionized gases, two cases were considered; frozen and equilibrium flow. Similarity solutions do not exist for variable pressure outside the boundary layer unless the variations of pressure with time are small enough. In this case, pressure acts again like a weighting factor on time, although the variations outside the boundary layer cannot be assumed isentropic anymore. At the same time, new equations for the equilibrium boundary layer were derived, in which the excited state of ions and atoms is taken into account.\r\n\r\nThe effect of the weighting factor of the pressure is applied to explain the experimental results obtained at the end wall of a shock tube, giving explanation to certain differences between experiment and theory.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-135817", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-135817", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/X3H0-7367", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Saffman-P-G", "name": { "family": "Saffman", "given": "Philip G." }, "role": "advisor" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1967-01-01", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "Navarro-Cantero, Carlos" }, { "id": "/id/eprint/4567", "eprint_id": 4567, "rev_number": 13, "documents": [ { "id": "/id/document/7390", "doc_id": 7390, "rev_number": 2, "files": [ { "id": "/id/file/45154", "fileid": 45154, "datasetid": "document", "objectid": 7390, "filename": "McGill_ja_1967.pdf", "mime_type": "application/pdf", "filesize": 1578491, "mtime": "2012-12-26 03:09:48", "url": "/4567/1/McGill_ja_1967.pdf" } ], "eprint_id": 4567, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "McGill_ja_1967.pdf", "language": "en", "security": "public", "license": "other", "main": "McGill_ja_1967.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23915" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23915" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23915" } ] } }, { "id": "/id/document/23915", "doc_id": 23915, "rev_number": 2, "files": [ { "id": "/id/file/45152", "fileid": 45152, "datasetid": "document", "objectid": 23915, "filename": "preview.png", "mime_type": "image/png", "hash": "e9ee095ebd13f84f8db1833f32b8bcbe", "hash_type": "MD5", "filesize": 9432, "mtime": "2012-12-26 03:09:48", "url": "/4567/2/preview.png" } ], "eprint_id": 4567, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7390" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7390" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7390" } ] } }, { "id": "/id/document/124388", "doc_id": 124388, "rev_number": 1, "files": [ { "id": "/id/file/369818", "fileid": 369818, "datasetid": "document", "objectid": 124388, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "f715d7e964eb8ca1388ba5547449863e", "hash_type": "MD5", "filesize": 8168, "mtime": "2021-06-23 23:31:34", "url": "/4567/3/indexcodes.txt" } ], "eprint_id": 4567, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7390" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7390" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7390" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/67", "datestamp": "2005-11-16", "lastmod": "2024-03-19 21:12:58", "status_changed": "2009-09-25 03:21:03", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "McGill-James-Alexander", "name": { "family": "McGill", "given": "James Alexander" }, "show_email": "NO" } ] }, "title": "Low-Density Gas Dynamic Facility", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The question of optimizing nozzle contours for micro-thrust rockets led to the design, construction, and testing of a low-density gas dynamic facility. The primary objective was to investigate the mass flow rates of a gas through various profiles in the slip and transition flow regimes at high pressure ratios.\r\n\r\nAn initial test was conducted with an orifice as the test profile. The results showed that the facility can be used to investigate mass flow rates from the threshold of the free-molecule, through the transition and slip, to the continuum regimes. These results compare favorably with those of two previous investigators, and asymptotically approach the theoretical continuum and free-molecule limits. The ratio of mass flow rate to theoretical free-molecule mass flow rate is shown to transition smoothly from one theoretical limit to the other. A local maximum may occur in this ratio in the slip regime, and the attainment of the theoretical free-molecule limit appears to occur more slowly than expected.", "date": "1967", "date_type": "degree", "id_number": "CaltechETD:etd-11152005-081030", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11152005-081030", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-16", "doi": "10.7907/P04W-KX13", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" }, { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-15", "thesis_defense_date": "1966-09-22", "thesis_approved_date": "2005-11-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1967", "author_list": "McGill, James Alexander" }, { "id": "/id/eprint/4509", "eprint_id": 4509, "rev_number": 9, "documents": [ { "id": "/id/document/7325", "doc_id": 7325, "rev_number": 2, "files": [ { "id": "/id/file/44700", "fileid": 44700, "datasetid": "document", "objectid": 7325, "filename": "Grange_jm_1966.pdf", "mime_type": "application/pdf", "filesize": 1324906, "mtime": "2012-12-26 03:09:20", "url": "/4509/1/Grange_jm_1966.pdf" } ], "eprint_id": 4509, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Grange_jm_1966.pdf", "language": "en", "security": "public", "license": "other", "main": "Grange_jm_1966.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23853" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23853" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23853" } ] } }, { "id": "/id/document/23853", "doc_id": 23853, "rev_number": 2, "files": [ { "id": "/id/file/44698", "fileid": 44698, "datasetid": "document", "objectid": 23853, "filename": "preview.png", "mime_type": "image/png", "hash": "786c36e58bbcf9d5ca0a6cf2a4ccbb65", "hash_type": "MD5", "filesize": 11947, "mtime": "2012-12-26 03:09:20", "url": "/4509/2/preview.png" } ], "eprint_id": 4509, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7325" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7325" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7325" } ] } }, { "id": "/id/document/124350", "doc_id": 124350, "rev_number": 1, "files": [ { "id": "/id/file/369780", "fileid": 369780, "datasetid": "document", "objectid": 124350, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "548cb952c2c5ac37f10b81a8f191e3da", "hash_type": "MD5", "filesize": 5899, "mtime": "2021-06-23 23:29:16", "url": "/4509/3/indexcodes.txt" } ], "eprint_id": 4509, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7325" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7325" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7325" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/09", "datestamp": "2005-11-11", "lastmod": "2024-02-23 00:36:38", "status_changed": "2009-09-25 03:19:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Grange-Jean-Marie-Fran\u00e7ois", "name": { "family": "Grange", "given": "Jean-Marie Fran\u00e7ois" }, "show_email": "NO" } ] }, "title": "Laminar Boundary Layer Separation and Near Wake Flow for a Smooth Blunt Body at Supersonic and Hypersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAt supersonic and hypersonic speeds the location of the boundary layer separation point on the surface of a smooth, blunt body is not fixed a priori, but is determined by the pressure rise communicated upstream through the subcritical base flow. By utilizing the integral or moment method of Reeves and Lees the separation-interaction region is joined smoothly to the near-wake interaction region passing through a \"throat\" downstream of the rear stagnation point. One interesting feature of this problem is that the viscous flow over the blunt body \"overexpands\" and goes supercritical. This flow is joined to the near-wake by means of a supercritical-subcritical \"jump\" upstream of separation, and the jump location is determined by the matching conditions.\r\n\r\nDownstream of the jump the viscous flow separates in response to the pressure rise, and forms a constant pressure mixing region leading into the near wake. As an illustrative example the method is applied to an adiabatic circular cylinder at [...] = 6, and the results are compared with the experimental measurements of Dewey and McCarthy. This method can be extended to non-adiabatic bodies, and to slender bodies with smooth bases, provided that the radius of curvature is large compared to the boundary layer thickness.", "date": "1966", "date_type": "degree", "id_number": "CaltechETD:etd-11112005-152028", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11112005-152028", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-11", "doi": "10.7907/3ZN7-BC18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-11", "thesis_defense_date": "1966-05-26", "thesis_approved_date": "2005-11-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1966", "author_list": "Grange, Jean-Marie Fran\u00e7ois" }, { "id": "/id/eprint/4598", "eprint_id": 4598, "rev_number": 10, "documents": [ { "id": "/id/document/7432", "doc_id": 7432, "rev_number": 2, "files": [ { "id": "/id/file/45425", "fileid": 45425, "datasetid": "document", "objectid": 7432, "filename": "Puhl_a_1966.pdf", "mime_type": "application/pdf", "filesize": 3465870, "mtime": "2012-12-26 03:10:06", "url": "/4598/1/Puhl_a_1966.pdf" } ], "eprint_id": 4598, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Puhl_a_1966.pdf", "language": "en", "security": "public", "license": "other", "main": "Puhl_a_1966.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23957" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23957" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23957" } ] } }, { "id": "/id/document/23957", "doc_id": 23957, "rev_number": 2, "files": [ { "id": "/id/file/45423", "fileid": 45423, "datasetid": "document", "objectid": 23957, "filename": "preview.png", "mime_type": "image/png", "hash": "3b1e0113200e8723d4d06b9543d857ec", "hash_type": "MD5", "filesize": 8755, "mtime": "2012-12-26 03:10:06", "url": "/4598/2/preview.png" } ], "eprint_id": 4598, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7432" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7432" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7432" } ] } }, { "id": "/id/document/124429", "doc_id": 124429, "rev_number": 1, "files": [ { "id": "/id/file/369859", "fileid": 369859, "datasetid": "document", "objectid": 124429, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "34a8d1951f4ac75d42bcb4808580636d", "hash_type": "MD5", "filesize": 8451, "mtime": "2021-06-23 23:33:06", "url": "/4598/3/indexcodes.txt" } ], "eprint_id": 4598, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7432" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7432" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7432" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/98", "datestamp": "2005-11-21", "lastmod": "2024-03-07 22:34:19", "status_changed": "2009-09-25 03:21:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Puhl-Andreas", "name": { "family": "Puhl", "given": "Andreas" }, "show_email": "NO" } ] }, "title": "Hypersonic Boundary Layer Flow Around a Sharp Corner", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation was conducted in the GALCIT Mach 8 hypersonic wind tunnel, in order to study the behavior of an axisymmetric hypersonic, laminar boundary layer flow undergoing a rapid expansion at the juncture of a cone-cylinder body of revolution at zero angle of yaw. Major emphasis was placed on the acquisition of detailed data near the corner where extreme changes in the flow properties were expected. All tests were carried out for two different reservoir pressures but equal total temperature. The basic measurements consist of the model surface pressure and the pitot pressure covering the entire flow field of interest. These informations with certain assumptions were sufficient to construct the flow field.\r\n\r\nThe surface pressure distribution is in total disagreement with the potential theory from three boundary layer thicknesses upstream of the corner to about fifteen boundary layer thicknesses downstream. The expansion is not concentrated near the corner but extended over the above-mentioned region which is about one and a half cylinder radii long. The pressure immediately downstream of the corner is about seven-tenths of the pressure on the cone, in construct to the two-tenths as predicted by the potential theory.", "date": "1966", "date_type": "degree", "id_number": "CaltechETD:etd-11182005-111451", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11182005-111451", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-11-21", "doi": "10.7907/2TPX-DD83", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" }, { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-11-18", "thesis_defense_date": "1965-06-01", "thesis_approved_date": "2005-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1966", "author_list": "Puhl, Andreas" }, { "id": "/id/eprint/4804", "eprint_id": 4804, "rev_number": 10, "documents": [ { "id": "/id/document/7693", "doc_id": 7693, "rev_number": 2, "files": [ { "id": "/id/file/47183", "fileid": 47183, "datasetid": "document", "objectid": 7693, "filename": "Ahmed_n_1965.pdf", "mime_type": "application/pdf", "filesize": 2739821, "mtime": "2012-12-26 03:12:00", "url": "/4804/1/Ahmed_n_1965.pdf" } ], "eprint_id": 4804, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ahmed_n_1965.pdf", "language": "en", "security": "public", "license": "other", "main": "Ahmed_n_1965.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24212" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24212" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24212" } ] } }, { "id": "/id/document/24212", "doc_id": 24212, "rev_number": 2, "files": [ { "id": "/id/file/47181", "fileid": 47181, "datasetid": "document", "objectid": 24212, "filename": "preview.png", "mime_type": "image/png", "hash": "0d764c054636c0cca89fcf3e563274a1", "hash_type": "MD5", "filesize": 8864, "mtime": "2012-12-26 03:12:00", "url": "/4804/2/preview.png" } ], "eprint_id": 4804, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7693" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7693" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7693" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/04", "datestamp": "2002-12-16", "lastmod": "2019-12-21 04:50:22", "status_changed": "2009-09-25 03:26:40", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ahmed-Nazeer", "name": { "family": "Ahmed", "given": "Nazeer" }, "show_email": "NO" } ] }, "title": "Work hardening during pyramidal slip in zinc", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe elastic stress field and energy associated with an infinite straight edge dislocation in a hexagonal crystal parallel to the line of intersection of the (0001) and the [...] planes with its Burger's Vector in the [...] plane and the [...] direction is determined taking into account the anisotropy of the crystal. The nature of the solution is found to depend on the relative numerical values of the five independent elastic constants. All possible solutions are investigated and the solution for an isotropic crystal determined as a limiting case.\r\n\r\nThe interaction force between two edge dislocations of opposite sign gliding on consecutive glide planes is studied. Expressions for the total energy of such a dislocation dipole are developed. Numerical results are given at three temperatures,-77[degrees]C, 31[degrees]C and 139[degrees]C.\r\n\r\nThese results are used to develop a quantitative theory of strain hardening in a single zinc crystal subjected to uniaxial tension or compression in the direction of its crystallographic axis. It is proposed that such strain hardening is produced by the dislocation dipoles that are formed on dislocations which are moving on any one of the six [...] pyramidal planes when they intersect similar dislocations which are moving on other planes of the same type. The density of such dislocation dipoles as a function of the uniaxial strain along the crystallographic axis is determined and possible future avenues of research that could utilize these results indicated.\r\n", "date": "1965", "date_type": "degree", "id_number": "CaltechETD:etd-12062002-155405", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12062002-155405", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-12-16", "doi": "10.7907/92AW-H890", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Wood-D-S", "name": { "family": "Wood", "given": "David Shotwell" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-12-06", "thesis_defense_date": "1964-11-01", "thesis_approved_date": "2002-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1965", "author_list": "Ahmed, Nazeer" }, { "id": "/id/eprint/265", "eprint_id": 265, "rev_number": 11, "documents": [ { "id": "/id/document/391", "doc_id": 391, "rev_number": 2, "files": [ { "id": "/id/file/2486", "fileid": 2486, "datasetid": "document", "objectid": 391, "filename": "Spitzer_re_1965.pdf", "mime_type": "application/pdf", "filesize": 3158377, "mtime": "2012-12-26 02:28:27", "url": "/265/1/Spitzer_re_1965.pdf" } ], "eprint_id": 265, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Spitzer_re_1965.pdf", "language": "en", "security": "public", "license": "other", "main": "Spitzer_re_1965.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17216" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17216" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17216" } ] } }, { "id": "/id/document/17216", "doc_id": 17216, "rev_number": 2, "files": [ { "id": "/id/file/2484", "fileid": 2484, "datasetid": "document", "objectid": 17216, "filename": "preview.png", "mime_type": "image/png", "hash": "47f0d848f233384700bc54f9f632c8e1", "hash_type": "MD5", "filesize": 11792, "mtime": "2012-12-26 02:28:27", "url": "/265/2/preview.png" } ], "eprint_id": 265, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/391" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/391" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/391" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/65", "datestamp": "2004-01-28", "lastmod": "2019-12-21 02:03:48", "status_changed": "2009-09-25 01:32:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Spitzer-Robert-Edward", "name": { "family": "Spitzer", "given": "Robert Edward" }, "show_email": "NO" } ] }, "title": "Measurements of Unsteady Pressures and Wake Fluctuations for Flow Over a Cylinder at Supercritical Reynolds Number", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "A test was conducted to measure and map the unsteady pressure fluctuations over the surface of a smooth, cantilevered, circular cylinder in the supercritical Reynolds number range from 2.5 x 105 to 7.5 x 105. Lift fluctuations were measured, hot-wire wake surveys were made, and the effects of boundary-layer tripping were investigated. Power spectral densities were computed from recordings of the fluctuations, and cross-correlation coefficients were determined.
\r\n\r\nPressure fluctuations were found to be small in magnitude but with relatively high axial correlation except at the points of flow separation. Definite evidence of periodicity was found in the pressure fluctuations excluding those in the region of flow separation. Fluctuating lift was found to be random in nature in the supercritical regime. Power spectra of wake velocity fluctuations after transition showed largely turbulent patterns with perhaps some dominance at Strouhal number near 0.4 seen on occasion. Localized boundary-layer tripping caused earlier flow separation, significant increases in pressure and lift fluctuations, a greater degree of axial correlation, and a shift in the power spectra to indicate periodic effects.
", "date": "1965", "date_type": "degree", "id_number": "CaltechETD:etd-01222004-093919", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01222004-093919", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-28", "doi": "10.7907/WT4K-6337", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-22", "thesis_defense_date": "1964-12-31", "thesis_approved_date": "2004-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1965", "author_list": "Spitzer, Robert Edward" }, { "id": "/id/eprint/1401", "eprint_id": 1401, "rev_number": 8, "documents": [ { "id": "/id/document/2131", "doc_id": 2131, "rev_number": 2, "files": [ { "id": "/id/file/13302", "fileid": 13302, "datasetid": "document", "objectid": 2131, "filename": "Lau_jc_1965.pdf", "mime_type": "application/pdf", "filesize": 3682943, "mtime": "2012-12-26 02:37:48", "url": "/1401/1/Lau_jc_1965.pdf" } ], "eprint_id": 1401, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lau_jc_1965.pdf", "language": "en", "security": "public", "license": "other", "main": "Lau_jc_1965.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18890" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18890" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18890" } ] } }, { "id": "/id/document/18890", "doc_id": 18890, "rev_number": 2, "files": [ { "id": "/id/file/13300", "fileid": 13300, "datasetid": "document", "objectid": 18890, "filename": "preview.png", "mime_type": "image/png", "hash": "711f3d98eac23529f91b5a5f6d174cd0", "hash_type": "MD5", "filesize": 9578, "mtime": "2012-12-26 02:37:48", "url": "/1401/2/preview.png" } ], "eprint_id": 1401, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2131" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2131" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2131" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/01", "datestamp": "2003-04-18", "lastmod": "2019-12-21 04:21:48", "status_changed": "2009-09-25 02:03:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lau-J-C", "name": { "family": "Lau", "given": "Jark Chong" }, "show_email": "NO" } ] }, "title": "Experimental study of the reattachment pressure rise at subsonic speeds", "ispublished": "unpub", "full_text_status": "public", "abstract": "An experimental study was made of the problem of separated flow with reattachment at subsonic speeds in various geometrical configurations. It was found that when the boundary layer thickness at separation was small, the values of the reattachment pressure rise coefficient agreed with those from the Korst-Chapman theory. The importance of the relative positions of the transition and reattachment was investigated. In the free shear layer, transition occurred at Reynolds numbers as low as 3 x 10[superscript 3], based on distance from the separation point.\n", "date": "1965", "date_type": "degree", "id_number": "CaltechETD:etd-04172003-084523", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04172003-084523", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-18", "doi": "10.7907/P8AX-3102", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-17", "thesis_defense_date": "1964-08-20", "thesis_approved_date": "2003-04-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1965", "author_list": "Lau, Jark Chong" }, { "id": "/id/eprint/3422", "eprint_id": 3422, "rev_number": 10, "documents": [ { "id": "/id/document/5957", "doc_id": 5957, "rev_number": 2, "files": [ { "id": "/id/file/35464", "fileid": 35464, "datasetid": "document", "objectid": 5957, "filename": "Burden_hw_1964.pdf", "mime_type": "application/pdf", "filesize": 4136726, "mtime": "2012-12-26 02:59:49", "url": "/3422/1/Burden_hw_1964.pdf" } ], "eprint_id": 3422, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Burden_hw_1964.pdf", "language": "en", "security": "public", "license": "other", "main": "Burden_hw_1964.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22497" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22497" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22497" } ] } }, { "id": "/id/document/22497", "doc_id": 22497, "rev_number": 2, "files": [ { "id": "/id/file/35462", "fileid": 35462, "datasetid": "document", "objectid": 22497, "filename": "preview.png", "mime_type": "image/png", "hash": "b5c8c9aba40f115a3cf8eb630f819bdf", "hash_type": "MD5", "filesize": 10243, "mtime": "2012-12-26 02:59:49", "url": "/3422/2/preview.png" } ], "eprint_id": 3422, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5957" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5957" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5957" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/34/22", "datestamp": "2002-09-11", "lastmod": "2024-01-18 23:09:24", "status_changed": "2009-09-25 02:58:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Burden-Harvey-Worth", "name": { "family": "Burden", "given": "Harvey Worth" }, "show_email": "NO" } ] }, "title": "Some Effects of Secondary Injection of Gases into a Supersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation was conducted in order to determine some of the effects of injection of a secondary stream of gas into a supersonic primary airstream. The flow fields behind an orifice producing essential two-dimensional flow and behind that producing full three-dimensional flow were studied. The resulting shock patterns, wall static pressure profiles, and flow field characteristics are described,and use is made of a theoretical injectant penetration height to non-dimensionalize the results as much as possible. It has been possible to draw some conclusions concerning the nature of the flow field and pressure field disturbances caused by secondary injection.", "date": "1964", "date_type": "degree", "id_number": "CaltechETD:etd-09102002-141125", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09102002-141125", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-09-11", "doi": "10.7907/DRZK-W405", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-09-10", "thesis_defense_date": "1964-05-18", "thesis_approved_date": "2002-09-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1964", "author_list": "Burden, Harvey Worth" }, { "id": "/id/eprint/3847", "eprint_id": 3847, "rev_number": 12, "documents": [ { "id": "/id/document/6487", "doc_id": 6487, "rev_number": 2, "files": [ { "id": "/id/file/39034", "fileid": 39034, "datasetid": "document", "objectid": 6487, "filename": "Mantle_pj_1969.pdf", "mime_type": "application/pdf", "filesize": 2530715, "mtime": "2012-12-26 03:03:25", "url": "/3847/1/Mantle_pj_1969.pdf" } ], "eprint_id": 3847, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mantle_pj_1969.pdf", "language": "en", "security": "public", "license": "other", "main": "Mantle_pj_1969.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23019" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23019" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23019" } ] } }, { "id": "/id/document/23019", "doc_id": 23019, "rev_number": 2, "files": [ { "id": "/id/file/39032", "fileid": 39032, "datasetid": "document", "objectid": 23019, "filename": "preview.png", "mime_type": "image/png", "hash": "de25d588ac9f7dae467e6ff15f88b870", "hash_type": "MD5", "filesize": 8801, "mtime": "2012-12-26 03:03:25", "url": "/3847/2/preview.png" } ], "eprint_id": 3847, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6487" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6487" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6487" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/38/47", "datestamp": "2002-10-02", "lastmod": "2024-01-19 23:05:57", "status_changed": "2009-09-25 03:06:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mantle-Peter-John", "name": { "family": "Mantle", "given": "Peter John" }, "show_email": "NO" } ] }, "title": "Spinning Symmetric Missiles in a Nonlinear Aerodynamic Field", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The case of a spinning symmetric body flying at a constant speed where the aerodynamic restoring moment is an arbitrary function of the angle of attack is examined. The analysis is twofold: first, the general problem is discussed, in suitable nondimensional form, to establish the generalized stability boundaries and, second, the attention is directed to the inverse problem whereby the pertinent aerodynamic parameters are extracted from a given bounded solution, suitable for use in data reduction. The general case of non-planar motion is examined and shown to be analogous to the classical orbital problems, differing only in the form of the governing potential function. The general solution is obtained in integral form and the special cases of linear aerodynamics and cubic restoring moments have been integrated and studied to reveal all the pertinent characteristics. The various combinations of potential, initial conditions and angular momentum (including that due to the impressed spin rate) are shown to determine whether or not the motion is planar, circular, elliptic or non-conic; stable or unstable and the various cases are categorized to aid the prediction of the motion of spinning symmetrical bodies acting under non-linear aerodynamic restoring moments.", "date": "1964", "date_type": "degree", "id_number": "CaltechETD:etd-10012002-102742", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10012002-102742", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-10-02", "doi": "10.7907/YXWV-VV41", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-10-01", "thesis_defense_date": "1964-03-01", "thesis_approved_date": "2002-10-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1964", "author_list": "Mantle, Peter John" }, { "id": "/id/eprint/3612", "eprint_id": 3612, "rev_number": 10, "documents": [ { "id": "/id/document/6184", "doc_id": 6184, "rev_number": 2, "files": [ { "id": "/id/file/37015", "fileid": 37015, "datasetid": "document", "objectid": 6184, "filename": "Herzog_r_1964.pdf", "mime_type": "application/pdf", "filesize": 3336808, "mtime": "2012-12-26 03:01:21", "url": "/3612/1/Herzog_r_1964.pdf" } ], "eprint_id": 3612, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Herzog_r_1964.pdf", "language": "en", "security": "public", "license": "other", "main": "Herzog_r_1964.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22722" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22722" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22722" } ] } }, { "id": "/id/document/22722", "doc_id": 22722, "rev_number": 2, "files": [ { "id": "/id/file/37013", "fileid": 37013, "datasetid": "document", "objectid": 22722, "filename": "preview.png", "mime_type": "image/png", "hash": "ad59b950969fe0ab5370f994d542996d", "hash_type": "MD5", "filesize": 8313, "mtime": "2012-12-26 03:01:21", "url": "/3612/2/preview.png" } ], "eprint_id": 3612, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6184" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6184" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6184" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/36/12", "datestamp": "2002-09-18", "lastmod": "2024-01-19 20:07:25", "status_changed": "2009-09-25 03:01:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Herzog-Robert-Theodore", "name": { "family": "Herzog", "given": "Robert Theodore" }, "show_email": "NO" } ] }, "title": "Nitrogen Injection into the Base Region of a Hypersonic Wake", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation was made of the changes occurring in the near wake of a cylinder at M = 6.0 when nitrogen was injected into the base region. The free stream Reynolds number based on cylinder diameter was 30,000 and the rate of injection was varied from zero to 3 percent of the frontal area free stream mass flow. Pitot pressure profiles across the wake, Schlieren photographs and measurement of the boundary layer separation point on the cylinder were used to define the changes in wake geometry. Static pressure and temperature surveys were made along the wake centerline starting at the base of the cylinder and continuing downstream to X/D = 6.0. The injection reduced the recompression in the neck region and left only a slight isentropic compression in place of the strong wake shock. The recirculation of mass in the base region was eliminated with approximately 1.5 percent injection.\r\n\r\nAn automated hot wire recording system which produced data suitable for computer reduction was developed and used to measure temperature. In order to reduce the measured wire temperature to total temperature an attempt was made to use a previously developed computer program. Deficiencies in this program are discussed with suggestions for improvements.", "date": "1964", "date_type": "degree", "id_number": "CaltechETD:etd-09182002-115940", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09182002-115940", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-09-18", "doi": "10.7907/J4XP-F867", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" }, { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-09-18", "thesis_defense_date": "1964-01-01", "thesis_approved_date": "2002-09-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1964", "author_list": "Herzog, Robert Theodore" }, { "id": "/id/eprint/4003", "eprint_id": 4003, "rev_number": 10, "documents": [ { "id": "/id/document/6671", "doc_id": 6671, "rev_number": 2, "files": [ { "id": "/id/file/40321", "fileid": 40321, "datasetid": "document", "objectid": 6671, "filename": "Smithey_w_1964.pdf", "mime_type": "application/pdf", "filesize": 2159498, "mtime": "2012-12-26 03:04:40", "url": "/4003/1/Smithey_w_1964.pdf" } ], "eprint_id": 4003, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Smithey_w_1964.pdf", "language": "en", "security": "public", "license": "other", "main": "Smithey_w_1964.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23205" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23205" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23205" } ] } }, { "id": "/id/document/23205", "doc_id": 23205, "rev_number": 2, "files": [ { "id": "/id/file/40319", "fileid": 40319, "datasetid": "document", "objectid": 23205, "filename": "preview.png", "mime_type": "image/png", "hash": "c1dcb12a3e48b2e9ff070aa76b6eb249", "hash_type": "MD5", "filesize": 9391, "mtime": "2012-12-26 03:04:40", "url": "/4003/2/preview.png" } ], "eprint_id": 4003, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6671" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6671" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6671" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/40/03", "datestamp": "2002-10-11", "lastmod": "2024-01-25 01:27:00", "status_changed": "2009-09-25 03:09:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Smithey-William-John-Henry", "name": { "family": "Smithey", "given": "William John Henry" }, "show_email": "NO" } ] }, "title": "Optimum Thrust Programming for Low Thrust Devices", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The use of low thrust devices with continuous and discontinuous thrust programs is investigated to determine whether or not a discontinuous thrust program will provide a greater payload and structure mass fraction, where the program must impart a specified amount of energy to the satellite in a specified total time, starting from a circular parking orbit. A discontinuous thrust program is developed, based on the elliptic orbit, using a perturbation analysis, and a series solution is obtained which permits investigation of this program up to angles of one radian either side of the perigee of the elliptic orbit. These results are compared with a continuous thrust program which gave a spiral orbit. Under certain conditions, where storage batteries must be carried as part of the payload but are available for use during the thrust program, the discontinuous thrust program is found to provide a greater payload and structure mass fraction. Further investigation at angles greater than one radian either side of perigee appears to be warranted.", "date": "1964", "date_type": "degree", "id_number": "CaltechETD:etd-10102002-083146", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10102002-083146", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-10-11", "doi": "10.7907/FGHG-HF41", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-10-10", "thesis_defense_date": "1964-01-01", "thesis_approved_date": "2002-10-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1964", "author_list": "Smithey, William John Henry" }, { "id": "/id/eprint/3989", "eprint_id": 3989, "rev_number": 10, "documents": [ { "id": "/id/document/6646", "doc_id": 6646, "rev_number": 2, "files": [ { "id": "/id/file/40170", "fileid": 40170, "datasetid": "document", "objectid": 6646, "filename": "Philippou_d_1964.pdf", "mime_type": "application/pdf", "filesize": 1329400, "mtime": "2012-12-26 03:04:30", "url": "/3989/1/Philippou_d_1964.pdf" } ], "eprint_id": 3989, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Philippou_d_1964.pdf", "language": "en", "security": "public", "license": "other", "main": "Philippou_d_1964.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23180" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23180" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23180" } ] } }, { "id": "/id/document/23180", "doc_id": 23180, "rev_number": 2, "files": [ { "id": "/id/file/40168", "fileid": 40168, "datasetid": "document", "objectid": 23180, "filename": "preview.png", "mime_type": "image/png", "hash": "2729848c204acae574c8bb5ffb71cdb7", "hash_type": "MD5", "filesize": 9339, "mtime": "2012-12-26 03:04:30", "url": "/3989/2/preview.png" } ], "eprint_id": 3989, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6646" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6646" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6646" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/39/89", "datestamp": "2002-10-10", "lastmod": "2024-01-25 00:22:31", "status_changed": "2009-09-25 03:09:19", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Philippou-Demetrius", "name": { "family": "Philippou", "given": "Demetrius" }, "show_email": "NO" } ] }, "title": "Near Minimum Energy Trajectories in the Two Fixed Force-Center Problem", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The class of symmetric orbits with near minimum energy which originate very close to the earth and pass very close to a fixed moon of small mass are studied using asymptotic methods. An exact solution for the orbit is found using Bonnet's Theorem. This is an ellipse with the force centers as foci. Results obtained from the approximate solution are seen to agree exactly with the predictions of Bonnet's Theorem. The solutions thus obtained are the periodic solutions. A one dimensional study is undertaken as a guide to the planar problem.", "date": "1964", "date_type": "degree", "id_number": "CaltechETD:etd-10092002-154746", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10092002-154746", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2002-10-10", "doi": "10.7907/ZXGH-NV43", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kevorkian-Jirair", "name": { "family": "Kevorkian", "given": "Jirair" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2002-10-09", "thesis_defense_date": "1964-01-01", "thesis_approved_date": "2002-10-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1964", "author_list": "Philippou, Demetrius" }, { "id": "/id/eprint/4128", "eprint_id": 4128, "rev_number": 11, "documents": [ { "id": "/id/document/6827", "doc_id": 6827, "rev_number": 2, "files": [ { "id": "/id/file/41393", "fileid": 41393, "datasetid": "document", "objectid": 6827, "filename": "Stuart_fr_1963.pdf", "mime_type": "application/pdf", "filesize": 3293567, "mtime": "2012-12-26 03:05:44", "url": "/4128/1/Stuart_fr_1963.pdf" } ], "eprint_id": 4128, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stuart_fr_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Stuart_fr_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23359" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23359" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23359" } ] } }, { "id": "/id/document/23359", "doc_id": 23359, "rev_number": 2, "files": [ { "id": "/id/file/41391", "fileid": 41391, "datasetid": "document", "objectid": 23359, "filename": "preview.png", "mime_type": "image/png", "hash": "4714056144fa22af7040440dd9f79b3a", "hash_type": "MD5", "filesize": 10669, "mtime": "2012-12-26 03:05:44", "url": "/4128/2/preview.png" } ], "eprint_id": 4128, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6827" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6827" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6827" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/28", "datestamp": "2005-10-19", "lastmod": "2024-01-04 21:55:20", "status_changed": "2009-09-25 03:12:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stuart-Floyd-Ronald", "name": { "family": "Stuart", "given": "Floyd Ronald" }, "show_email": "NO" } ] }, "title": "The Buckling of Thin Walled Circular Cylindrical Shells Under Combined Axial Compression and Bending", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation of the interaction of combined axial compression and bending stresses on the buckling of cylindrical shells of similar geometry was carried out.\r\n\r\nThe shells tested were manufactured by a copper electro-forming process. This method of fabrication produced thin shells to close geometric tolerances without the usual seams.\r\n\r\nA total of 16 buckling tests were conducted. The resulting experimental interaction curve indicates that the critical buckling stress increases with increased bending moments.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-10172005-131305", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10172005-131305", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-10-19", "doi": "10.7907/0SEM-H188", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-10-17", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-10-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Stuart, Floyd Ronald" }, { "id": "/id/eprint/4154", "eprint_id": 4154, "rev_number": 9, "documents": [ { "id": "/id/document/6854", "doc_id": 6854, "rev_number": 2, "files": [ { "id": "/id/file/41586", "fileid": 41586, "datasetid": "document", "objectid": 6854, "filename": "Thompson_tr_1963.pdf", "mime_type": "application/pdf", "filesize": 2330898, "mtime": "2012-12-26 03:05:56", "url": "/4154/1/Thompson_tr_1963.pdf" } ], "eprint_id": 4154, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Thompson_tr_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Thompson_tr_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23385" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23385" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23385" } ] } }, { "id": "/id/document/23385", "doc_id": 23385, "rev_number": 2, "files": [ { "id": "/id/file/41584", "fileid": 41584, "datasetid": "document", "objectid": 23385, "filename": "preview.png", "mime_type": "image/png", "hash": "f4dea04f8bdfeb95688868440263f4c1", "hash_type": "MD5", "filesize": 7320, "mtime": "2012-12-26 03:05:56", "url": "/4154/2/preview.png" } ], "eprint_id": 4154, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6854" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6854" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6854" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/54", "datestamp": "2005-10-19", "lastmod": "2024-01-04 22:05:27", "status_changed": "2009-09-25 03:12:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Thompson-Thomas-Ross", "name": { "family": "Thompson", "given": "Thomas Ross" }, "show_email": "NO" } ] }, "title": "The Gray Gas in Hypersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The assumption that the spectral absorption coefficient is independent of frequency in problems involving radiant energy transfer in hot gases is examined. A particular case, that of the hypersonic wake, is treated in some detail, and a non-gray transfer equation involving two mean coefficients is developed. One mean absorption coefficient is related to emission, and the other to absorption.\r\n\r\nThe problems arising from lack of chemical equilibrium are discussed, and a modification of the equations used for prediction of the spectral absorption coefficient (for diatomic species) is suggested, wherein two distinct temperatures are utilized. Sample calculations for one nitrogen band have been made and the results presented graphically.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-10182005-082033", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10182005-082033", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-10-19", "doi": "10.7907/9865-C310", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-10-18", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-10-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Thompson, Thomas Ross" }, { "id": "/id/eprint/4834", "eprint_id": 4834, "rev_number": 12, "documents": [ { "id": "/id/document/7723", "doc_id": 7723, "rev_number": 2, "files": [ { "id": "/id/file/47405", "fileid": 47405, "datasetid": "document", "objectid": 7723, "filename": "Blackiston_hs_1963.pdf", "mime_type": "application/pdf", "filesize": 3510216, "mtime": "2012-12-26 03:12:14", "url": "/4834/1/Blackiston_hs_1963.pdf" } ], "eprint_id": 4834, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Blackiston_hs_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Blackiston_hs_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24242" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24242" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24242" } ] } }, { "id": "/id/document/24242", "doc_id": 24242, "rev_number": 2, "files": [ { "id": "/id/file/47403", "fileid": 47403, "datasetid": "document", "objectid": 24242, "filename": "preview.png", "mime_type": "image/png", "hash": "986226f9fc3861d32b50a29926651344", "hash_type": "MD5", "filesize": 10332, "mtime": "2012-12-26 03:12:14", "url": "/4834/2/preview.png" } ], "eprint_id": 4834, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7723" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7723" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7723" } ] } }, { "id": "/id/document/124558", "doc_id": 124558, "rev_number": 1, "files": [ { "id": "/id/file/369988", "fileid": 369988, "datasetid": "document", "objectid": 124558, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "d9acc370b7a93e842aa74eee5ae68613", "hash_type": "MD5", "filesize": 14654, "mtime": "2021-06-23 23:41:34", "url": "/4834/3/indexcodes.txt" } ], "eprint_id": 4834, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7723" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7723" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7723" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/34", "datestamp": "2005-12-08", "lastmod": "2024-01-05 00:39:31", "status_changed": "2009-09-25 03:26:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Blackiston-Harry-Spencer", "name": { "family": "Blackiston", "given": "Harry Spencer" }, "show_email": "NO" } ] }, "title": "Tip Effects on Fluctuating Lift and Drag Forces Acting on a Circular Cylinder Perpendicular to an Air Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering", "abstract": "Tests were conducted to evaluate the tip effects on the local air loads that act on a circular cylinder normal to a flow at Reynolds numbers, based on cylinder diameter, of 0.38 x 106, 0.53 x 106, 0.65 x 106 and 0.75 x 106 (corresponding to wind tunnel dynamic pressures of 10, 20, 30, and 40 psf, respectively). Tip configurations consisted of a blunt-end (or smokestack), a hemisphere, a 15 degree half-angle cone, and an ellipsoid with semi-major axis of 1.5 cylinder diameters. Localized boundary layer tripping facilitated controlled disturbances near the tip.
\r\n\r\nUnsteady lift and drag were significantly altered by the hemispherical and ellipsoidal ends as compared with the blunt-end. In contrast, the conical tip showed much smaller changes. Local lift and drag coefficients, as well as cross-correlation coefficients, vary rapidly along the cylinder axis near the tip.
\r\n\r\nThe importance of boundary layer characteristics on the fluctuating forces was demonstrated by boundary layer tripping with air blowing out through suitably located orifices in the cylinder.
", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-135116", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-135116", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/TV46-TR33", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Blackiston, Harry Spencer" }, { "id": "/id/eprint/4157", "eprint_id": 4157, "rev_number": 9, "documents": [ { "id": "/id/document/6857", "doc_id": 6857, "rev_number": 2, "files": [ { "id": "/id/file/41608", "fileid": 41608, "datasetid": "document", "objectid": 6857, "filename": "Slachmuylders_e_1963.pdf", "mime_type": "application/pdf", "filesize": 6454224, "mtime": "2012-12-26 03:05:57", "url": "/4157/1/Slachmuylders_e_1963.pdf" } ], "eprint_id": 4157, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Slachmuylders_e_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Slachmuylders_e_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23388" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23388" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23388" } ] } }, { "id": "/id/document/23388", "doc_id": 23388, "rev_number": 2, "files": [ { "id": "/id/file/41606", "fileid": 41606, "datasetid": "document", "objectid": 23388, "filename": "preview.png", "mime_type": "image/png", "hash": "ed79af6a6e3ca9d4da211c06430584d4", "hash_type": "MD5", "filesize": 9017, "mtime": "2012-12-26 03:05:57", "url": "/4157/2/preview.png" } ], "eprint_id": 4157, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6857" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6857" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6857" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/57", "datestamp": "2005-10-19", "lastmod": "2024-01-04 21:42:04", "status_changed": "2009-09-25 03:12:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Slachmuylders-Erik-Jaak", "name": { "family": "Slachmuylders", "given": "Erik Jaak" }, "show_email": "NO" } ] }, "title": "Measurements of the Acceleration of Reflected Shock Waves by Means of a New Heat Transfer Gauge", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A small heat transfer probe, operating in the free molecule tow regime, was developed with the purpose of obtaining accurate x, t diagrams of a reflected shock wave close to the end wall of the GALCIT 17-inch shock tube.\r\n\r\nThe sensitive element of the probe consists of a .005\" diameter filament of non-conducting material coated with a thin metallic film. The sensitivities of a filament probe and a conventional cold wire are compared analytically and it is found that the filament probe has favorable characteristics for measurement times of the order of a few microseconds. This is confirmed by the experiments.\r\n\r\nThe probe was mounted in the end wall of the 17-inch shock tube and x, t diagrams of reflected shock waves were measured at three levels of the initial pressure. The initial motion of the reflected shock is governed by heat loss to the reflecting wall; the wave velocity approaches its ideal value only asymptotically. The asymptotic approach agrees closely with the results of a boundary layer theory. The measurements indicate that the trajectory of the reflected shock close to the end wall is characterized by three different regions; the region in which boundary layer theory is valid, a region closer to the wall in which deviations from boundary layer theory are observed, and a non-continuum region adjacent to the wall in which the reflected shock is formed. The reflected shock wave is found to leave the formation region with a velocity which is approximately 20 per cent below the ideal velocity. It then accelerates toward this ideal velocity, approaching within 3 per cent at distances from the end wall of about 1000 mean free paths. The boundary layer approximation is found to be valid for distances greater than about 70 mean free paths. Accordingly, a non-uniform temperature profile is to be expected in a layer of approximately 100 mean free paths from the end wall.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-10182005-093601", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10182005-093601", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-10-19", "doi": "10.7907/5G88-B054", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-10-18", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-10-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Slachmuylders, Erik Jaak" }, { "id": "/id/eprint/4832", "eprint_id": 4832, "rev_number": 11, "documents": [ { "id": "/id/document/7721", "doc_id": 7721, "rev_number": 2, "files": [ { "id": "/id/file/47391", "fileid": 47391, "datasetid": "document", "objectid": 7721, "filename": "Parks_re_1963.pdf", "mime_type": "application/pdf", "filesize": 2256172, "mtime": "2012-12-26 03:12:13", "url": "/4832/1/Parks_re_1963.pdf" } ], "eprint_id": 4832, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Parks_re_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Parks_re_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24240" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24240" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24240" } ] } }, { "id": "/id/document/24240", "doc_id": 24240, "rev_number": 2, "files": [ { "id": "/id/file/47389", "fileid": 47389, "datasetid": "document", "objectid": 24240, "filename": "preview.png", "mime_type": "image/png", "hash": "ca2906f7e88de938a8cd2774b973909b", "hash_type": "MD5", "filesize": 10177, "mtime": "2012-12-26 03:12:13", "url": "/4832/2/preview.png" } ], "eprint_id": 4832, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7721" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7721" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7721" } ] } }, { "id": "/id/document/124556", "doc_id": 124556, "rev_number": 1, "files": [ { "id": "/id/file/369986", "fileid": 369986, "datasetid": "document", "objectid": 124556, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "c776c6fc88dc10195aa1329d8555f68e", "hash_type": "MD5", "filesize": 9290, "mtime": "2021-06-23 23:41:32", "url": "/4832/3/indexcodes.txt" } ], "eprint_id": 4832, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7721" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7721" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7721" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/32", "datestamp": "2005-12-08", "lastmod": "2024-01-04 21:13:20", "status_changed": "2009-09-25 03:26:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Parks-Richard-Earl", "name": { "family": "Parks", "given": "Richard Earl" }, "show_email": "NO" } ] }, "title": "An Analysis of Turbulent Flame Spreading in a Rectangular Duct", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The parametric equations for gas velocities and pressure, in terms of the density ratio and wake width, for a flame spreading in a rectangular duct from a point flameholder, are reviewed. A series solution for the cold gas velocity is proposed, evaluated, and its applicability to parametric values shown.\r\n\r\nAn attempt is made to determine the axial wake spreading rate, through a fluid mechanics approach utilizing the momentum equation and later the moment of the momentum equation. Both attempts are unsuccessful, for undetermined reasons.\r\n\r\nThe axial wake spreading rate is then approached, after defining an effective turbulent flame velocity, by equating the rate of disappearance of mass from cold stream with the rate of consumption of mass by the flame. Comparison is then made with a few of the conclusions that have been derived from experimental results.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-133735", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-133735", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/WDJR-AY43", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Parks, Richard Earl" }, { "id": "/id/eprint/4129", "eprint_id": 4129, "rev_number": 9, "documents": [ { "id": "/id/document/6828", "doc_id": 6828, "rev_number": 2, "files": [ { "id": "/id/file/41400", "fileid": 41400, "datasetid": "document", "objectid": 6828, "filename": "Stebbins_cf_1963.pdf", "mime_type": "application/pdf", "filesize": 3045217, "mtime": "2012-12-26 03:05:45", "url": "/4129/1/Stebbins_cf_1963.pdf" } ], "eprint_id": 4129, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stebbins_cf_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Stebbins_cf_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23360" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23360" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23360" } ] } }, { "id": "/id/document/23360", "doc_id": 23360, "rev_number": 2, "files": [ { "id": "/id/file/41398", "fileid": 41398, "datasetid": "document", "objectid": 23360, "filename": "preview.png", "mime_type": "image/png", "hash": "11c8913c0a8e8b5b9e54bdc12802cb66", "hash_type": "MD5", "filesize": 7703, "mtime": "2012-12-26 03:05:45", "url": "/4129/2/preview.png" } ], "eprint_id": 4129, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6828" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6828" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6828" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/29", "datestamp": "2005-10-19", "lastmod": "2024-01-04 21:45:43", "status_changed": "2009-09-25 03:12:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stebbins-Charles-Fleming", "name": { "family": "Stebbins", "given": "Charles Fleming" }, "show_email": "NO" } ] }, "title": "Measurements of Heat Transfer Rates Within a Plane Shock Wave Using Very Fine Cold Wires", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nPreliminary results of measurements of thermal shock structure are presented. Cold wire probes, of the type developed by W. H. Christiansen (Ref. 2), were constructed utilizing wires of .00001\" and .00005\" diameters. Heat transfer measurements were obtained at [...] and 7.5 in the GALCIT 17-inch shock tube over a range of initial pressures from 25 to 200 [...], producing thicknesses on the order of one centimeter.\r\n\r\nThe heat transfer data obtained are compared with predictions based on the Navier-Stokes theory and the recent Liepmann-Narasimha-Chahine theory (Ref. 3) for shock profiles and the free molecule heat-transfer theory of Stalder, et al. (Ref. 1).", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-10172005-140351", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10172005-140351", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-10-19", "doi": "10.7907/VDFV-DG16", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-10-17", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-10-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Stebbins, Charles Fleming" }, { "id": "/id/eprint/4126", "eprint_id": 4126, "rev_number": 11, "documents": [ { "id": "/id/document/6825", "doc_id": 6825, "rev_number": 2, "files": [ { "id": "/id/file/41380", "fileid": 41380, "datasetid": "document", "objectid": 6825, "filename": "Rupert_vc_1963.pdf", "mime_type": "application/pdf", "filesize": 1607912, "mtime": "2012-12-26 03:05:44", "url": "/4126/1/Rupert_vc_1963.pdf" } ], "eprint_id": 4126, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rupert_vc_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Rupert_vc_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23357" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23357" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23357" } ] } }, { "id": "/id/document/23357", "doc_id": 23357, "rev_number": 2, "files": [ { "id": "/id/file/41378", "fileid": 41378, "datasetid": "document", "objectid": 23357, "filename": "preview.png", "mime_type": "image/png", "hash": "ce9ccf477df06b7b22929aa3249bc7af", "hash_type": "MD5", "filesize": 8605, "mtime": "2012-12-26 03:05:43", "url": "/4126/2/preview.png" } ], "eprint_id": 4126, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6825" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6825" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6825" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/26", "datestamp": "2005-10-19", "lastmod": "2024-01-04 21:22:07", "status_changed": "2009-09-25 03:12:07", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rupert-Viviane-Claude", "name": { "family": "Rupert", "given": "Viviane Claude" }, "show_email": "NO" } ] }, "title": "Influence of Radiative Dissipation on the Shock Wave Structure", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The influence of radiation on a steady, one dimensional flow is considered. Only radiative heat transfer is taken into account; viscosity, heat conduction and mass diffusion are neglected. It is further assumed that the radiative heat transfer is adequately described by the quasi equilibrium theory relative to a grey gas.\r\n\r\nUnder these conditions, the velocity of the fluid satisfies an integral equation which has been investigated by various methods. It is shown that under certain conditions the influence of radiation alone is not sufficient to smooth out the shock profile and a discontinuity in velocity still appears; mass diffusion processes are dominant in these cases.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-10172005-111721", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10172005-111721", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-10-19", "doi": "10.7907/41E3-T691", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Whitham-G-B", "name": { "family": "Whitham", "given": "Gerald Beresford" }, "role": "advisor" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-10-17", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-10-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Rupert, Viviane Claude" }, { "id": "/id/eprint/4836", "eprint_id": 4836, "rev_number": 9, "documents": [ { "id": "/id/document/7725", "doc_id": 7725, "rev_number": 2, "files": [ { "id": "/id/file/47419", "fileid": 47419, "datasetid": "document", "objectid": 7725, "filename": "Mauldin_jh_1963.pdf", "mime_type": "application/pdf", "filesize": 3833395, "mtime": "2012-12-26 03:12:15", "url": "/4836/1/Mauldin_jh_1963.pdf" } ], "eprint_id": 4836, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mauldin_jh_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Mauldin_jh_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24244" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24244" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24244" } ] } }, { "id": "/id/document/24244", "doc_id": 24244, "rev_number": 2, "files": [ { "id": "/id/file/47417", "fileid": 47417, "datasetid": "document", "objectid": 24244, "filename": "preview.png", "mime_type": "image/png", "hash": "0b7c756a80c5a6a31704134e45753c53", "hash_type": "MD5", "filesize": 13520, "mtime": "2012-12-26 03:12:15", "url": "/4836/2/preview.png" } ], "eprint_id": 4836, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7725" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7725" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7725" } ] } }, { "id": "/id/document/124559", "doc_id": 124559, "rev_number": 1, "files": [ { "id": "/id/file/369989", "fileid": 369989, "datasetid": "document", "objectid": 124559, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "f2aa7e999079aedc3367c0c880f2dd87", "hash_type": "MD5", "filesize": 15011, "mtime": "2021-06-23 23:41:37", "url": "/4836/3/indexcodes.txt" } ], "eprint_id": 4836, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7725" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7725" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7725" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/36", "datestamp": "2005-12-08", "lastmod": "2024-01-04 19:30:30", "status_changed": "2009-09-25 03:27:01", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mauldin-James-Howard", "name": { "family": "Mauldin", "given": "James Howard" }, "show_email": "NO" } ] }, "title": "Part I. Analysis of a Multi-Stage Axial Compressor with High Reaction Blading. Part II. A Design Study of a Multi-Stage Axial Compressor with Blading of High Aspect Ratio", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "PART I:\r\n \r\nAn analysis of a multi-stage axial compressor with high reaction blading is carried out. The usual methods of linearizing the equations for flow through the compressor fail for this type of blading. A numerical-solution of the non-linear equations is worked through for off-design operation. Flow velocities through the first six stages are calculated for the off-design flow rates in order to insure that the flow does indeed come to a steady state repeating pattern. Entering flow angles for both rotor and stator are calculated for this repeating flow condition. The off-design incidence angles for the stators at low flow rates indicate a possible deterioration of efficiency.\r\n\r\nPART II:\r\n\r\nA method for designing blades of high aspect ratio in a multi-stage axial compressor is investigated. This method requires a calculation of the flow induced by all blade rows. The method is illustrated for the limiting condition of hub ratio equal to unity and then is carried out for the more realistic case of finite hub ratio.\r\n\r\nAn example of a blade design for a particular flow is carried out. The results are compared with those of a previous design for the same flow conditions but based on a theory applicable for blading of low aspect ratio.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-142501", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-142501", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/BBZZ-TE94", "alt_title": { "items": [ "Analysis of a Multi-Stage Axial Compressor with High Reaction Blading", "Design Study of a Multi-Stage Axial Compressor with Blading of High Aspect Ratio" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Mauldin, James Howard" }, { "id": "/id/eprint/4833", "eprint_id": 4833, "rev_number": 9, "documents": [ { "id": "/id/document/7722", "doc_id": 7722, "rev_number": 2, "files": [ { "id": "/id/file/47398", "fileid": 47398, "datasetid": "document", "objectid": 7722, "filename": "Linan_a_1963.pdf", "mime_type": "application/pdf", "filesize": 2369815, "mtime": "2012-12-26 03:12:14", "url": "/4833/1/Linan_a_1963.pdf" } ], "eprint_id": 4833, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Linan_a_1963.pdf", "language": "en", "security": "public", "license": "other", "main": "Linan_a_1963.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24241" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24241" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24241" } ] } }, { "id": "/id/document/24241", "doc_id": 24241, "rev_number": 2, "files": [ { "id": "/id/file/47396", "fileid": 47396, "datasetid": "document", "objectid": 24241, "filename": "preview.png", "mime_type": "image/png", "hash": "d992588d8868877cc576b0b24332951e", "hash_type": "MD5", "filesize": 8302, "mtime": "2012-12-26 03:12:14", "url": "/4833/2/preview.png" } ], "eprint_id": 4833, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7722" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7722" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7722" } ] } }, { "id": "/id/document/124557", "doc_id": 124557, "rev_number": 1, "files": [ { "id": "/id/file/369987", "fileid": 369987, "datasetid": "document", "objectid": 124557, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "524e22da042e1c32987399f2d8807e83", "hash_type": "MD5", "filesize": 6648, "mtime": "2021-06-23 23:41:33", "url": "/4833/3/indexcodes.txt" } ], "eprint_id": 4833, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7722" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7722" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7722" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/33", "datestamp": "2005-12-08", "lastmod": "2024-01-04 19:17:07", "status_changed": "2009-09-25 03:26:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Li\u00f1\u00e1n-Mart\u00ednez-Amable", "name": { "family": "Li\u00f1\u00e1n-Mart\u00ednez", "given": "Amable" }, "show_email": "NO" } ] }, "title": "On the Structure of Laminar Diffusion Flames", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The structure of laminar diffusion flames is analyzed in the limiting case of large, although finite, reaction rates.\r\n\r\nIt is shown that the the chemical reaction takes place only in a very thin region or \"chemical boundary layer\" where convection effects may be neglected. Then the temperature and mass fraction distributions within the reaction zone are obtained analytically.\r\n\r\nThe flame position, rates of fuel consumption, and temperature and concentration distributions outside the reaction zone may be obtained by using the assumption of infinite reaction rates.\r\n\r\nFor large Reynolds numbers mixing and combustion take place in boundary layers and free mixing layers. And again analytical solutions are obtained for the temperature and mass fraction distributions outside of the reaction zone.", "date": "1963", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-134536", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-134536", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/JHTK-CA51", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1963-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1963", "author_list": "Li\u00f1\u00e1n-Mart\u00ednez, Amable" }, { "id": "/id/eprint/4905", "eprint_id": 4905, "rev_number": 14, "documents": [ { "id": "/id/document/7813", "doc_id": 7813, "rev_number": 2, "files": [ { "id": "/id/file/47994", "fileid": 47994, "datasetid": "document", "objectid": 7813, "filename": "Radey_k_1962.pdf", "mime_type": "application/pdf", "filesize": 2371199, "mtime": "2012-12-26 03:12:51", "url": "/4905/1/Radey_k_1962.pdf" } ], "eprint_id": 4905, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Radey_k_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Radey_k_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24324" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24324" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24324" } ] } }, { "id": "/id/document/24324", "doc_id": 24324, "rev_number": 2, "files": [ { "id": "/id/file/47992", "fileid": 47992, "datasetid": "document", "objectid": 24324, "filename": "preview.png", "mime_type": "image/png", "hash": "aa4c3c0284bd5df2b55b9b5bb2e8fbb6", "hash_type": "MD5", "filesize": 7798, "mtime": "2012-12-26 03:12:50", "url": "/4905/2/preview.png" } ], "eprint_id": 4905, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7813" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7813" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7813" } ] } }, { "id": "/id/document/124606", "doc_id": 124606, "rev_number": 1, "files": [ { "id": "/id/file/370036", "fileid": 370036, "datasetid": "document", "objectid": 124606, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "03aa622f046ca6817db6795d8fd63f55", "hash_type": "MD5", "filesize": 425, "mtime": "2021-06-23 23:43:45", "url": "/4905/3/indexcodes.txt" } ], "eprint_id": 4905, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7813" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7813" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7813" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/05", "datestamp": "2005-12-12", "lastmod": "2023-11-27 20:41:53", "status_changed": "2009-09-25 03:28:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Radey-Kendrick", "name": { "family": "Radey", "given": "Kendrick" }, "show_email": "NO" } ] }, "title": "A Time-Optimal Control Problem in Dynamics with Sampled Data", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A two-degree-of-freedom dynamical system has been analyzed to determine an optimum control sequence which will drive the dynamical system from an arbitrary initial position and velocity to one of a prescribed set of terminal position and velocity's in minimum time. The basic complexities are:
\r\n\r\n(1) that the forcing function can change only at discrete intervals of time, and
\r\n\r\n(2) that the prescribed terminal states allow a multiplicity of solutions to prevail.
A novel but not unique force program which is dependent upon the initial state of the system has been determined. This program consists essentially of the continuous application of a force of the proper sense and maximum allowable amplitude followed by a time during which no force is applied. This is followed by a time interval in which the forcing function has a maximum amplitude but is of the opposite sign to that used in the first part of the program.
", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12092005-132505", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092005-132505", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-12", "doi": "10.7907/CXDE-J137", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Mullin-F-J", "name": { "family": "Mullin", "given": "Francis J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-09", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Radey, Kendrick" }, { "id": "/id/eprint/5103", "eprint_id": 5103, "rev_number": 9, "documents": [ { "id": "/id/document/8079", "doc_id": 8079, "rev_number": 2, "files": [ { "id": "/id/file/49745", "fileid": 49745, "datasetid": "document", "objectid": 8079, "filename": "Johnson_gr_1962.pdf", "mime_type": "application/pdf", "filesize": 878150, "mtime": "2012-12-26 03:14:46", "url": "/5103/1/Johnson_gr_1962.pdf" } ], "eprint_id": 5103, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Johnson_gr_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Johnson_gr_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24584" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24584" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24584" } ] } }, { "id": "/id/document/24584", "doc_id": 24584, "rev_number": 2, "files": [ { "id": "/id/file/49743", "fileid": 49743, "datasetid": "document", "objectid": 24584, "filename": "preview.png", "mime_type": "image/png", "hash": "97225006381a78f58ff705a352e291be", "hash_type": "MD5", "filesize": 10692, "mtime": "2012-12-26 03:14:46", "url": "/5103/2/preview.png" } ], "eprint_id": 5103, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8079" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8079" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8079" } ] } }, { "id": "/id/document/124763", "doc_id": 124763, "rev_number": 1, "files": [ { "id": "/id/file/370193", "fileid": 370193, "datasetid": "document", "objectid": 124763, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "72ecf5d67eccae3fa5d3009ca9beec09", "hash_type": "MD5", "filesize": 5252, "mtime": "2021-06-23 23:53:38", "url": "/5103/3/indexcodes.txt" } ], "eprint_id": 5103, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8079" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8079" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8079" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/03", "datestamp": "2005-12-22", "lastmod": "2023-11-22 22:08:09", "status_changed": "2009-09-25 03:33:16", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Johnson-Grant-Reed", "name": { "family": "Johnson", "given": "Grant Reed" }, "show_email": "NO" } ] }, "title": "A Theoretical Investigation of Particle Trajectories Through a Prandtl-Meyer Expansion Fan", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe equations of motion are developed and solved numerically for the trajectory of a spherical particle passing through a Prandtl-Meyer expansion fan. The effect of a change in [...] and n is shown, where [...] is the ratio of specific heats of the gas, and n/2 is the exponent in [...], the assumed viscosity temperature relationship.\r\n\r\nIt is demonstrated that for particles the order of a micron in diameter, slip flow will exist, and a proposed correction to the drag to account for this discontinuous nature of the flow is investigated.\r\n\r\nThe results are plotted showing particle trajectory profiles and the components of the relative velocity or slippage velocity of the particle for flow deflection angles up to 70 degrees.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12212005-145547", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212005-145547", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/FTNK-N998", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-21", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Johnson, Grant Reed" }, { "id": "/id/eprint/5061", "eprint_id": 5061, "rev_number": 11, "documents": [ { "id": "/id/document/8033", "doc_id": 8033, "rev_number": 2, "files": [ { "id": "/id/file/49416", "fileid": 49416, "datasetid": "document", "objectid": 8033, "filename": "Renard_ml_1962.pdf", "mime_type": "application/pdf", "filesize": 1933570, "mtime": "2012-12-26 03:14:26", "url": "/5061/1/Renard_ml_1962.pdf" } ], "eprint_id": 5061, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Renard_ml_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Renard_ml_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24540" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24540" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24540" } ] } }, { "id": "/id/document/24540", "doc_id": 24540, "rev_number": 2, "files": [ { "id": "/id/file/49414", "fileid": 49414, "datasetid": "document", "objectid": 24540, "filename": "preview.png", "mime_type": "image/png", "hash": "3a16760cb6b27e3e1e583d6908539eb9", "hash_type": "MD5", "filesize": 8014, "mtime": "2012-12-26 03:14:26", "url": "/5061/2/preview.png" } ], "eprint_id": 5061, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8033" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8033" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8033" } ] } }, { "id": "/id/document/124736", "doc_id": 124736, "rev_number": 1, "files": [ { "id": "/id/file/370166", "fileid": 370166, "datasetid": "document", "objectid": 124736, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "2dd1ad43cf453efdb0d7037976a26820", "hash_type": "MD5", "filesize": 7710, "mtime": "2021-06-23 23:51:47", "url": "/5061/3/indexcodes.txt" } ], "eprint_id": 5061, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8033" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8033" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8033" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/61", "datestamp": "2005-12-19", "lastmod": "2023-11-27 20:51:53", "status_changed": "2009-09-25 03:32:02", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Renard-Marc-L", "name": { "family": "Renard", "given": "Marc L." }, "show_email": "NO" } ] }, "title": "Experimental Investigation of an Arc Heater", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An electric arc heater, intended to provide a steady flow of high stagnation temperature gas (up to 10,000\u00b0K) into a convergent-divergent nozzle, was designed at the GALCIT Hypersonic Laboratory.\r\n\r\nSection 2 first gives a few preliminary calculations which have been made for the arc heater-nozzle combination, using argon, at stagnation pressures of 1 and 2 atm., and assuming equilibrium flow. In particular, the Mach number in the test section of a fixed nozzle will depend on the thermodynamic properties at the reservoir.\r\n\r\nIn the heater, the direct-current arc is axially constricted by a channel parallel to the gas flow. A description of the design and instrumentation is given in Sections 2 and 3.\r\n\r\nFor two series of experiments, using argon, the central electrode was either the cathode, as in the conventional arrangement, or the anode: both configurations were thoroughly investigated. Provided a sharp edge exists at the end of the flow constricting channel, the configuration with anode in the center was found to give, generally, a more stable functioning, with a voltage drop about twice as large, higher efficiency and thus higher average temperature for the same mass flow of gas, as compared to the case where the cathode is in the center. In the ranges of power (up to 13 Kw) and mass flow (up to 6.00 gr/sec) investigated, it was found that the best efficiency is obtained for a swirl close to the central electrode and large gas mass flows. When the anode is in the center, a long and narrow constricting channel leads to the optimal conditions. With the reversed polarities, the geometry of the downstream channel is not very important.\r\n\r\nFinally, a tentative explanation of the results is given, emphasizing in particular that the \"anode in the center\" case corresponds to a \"long\" arc, and the \"cathode in the center\" to a \"short\" one with poorer transfer of energy from the arc to the gas.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12192005-132228", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192005-132228", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-19", "doi": "10.7907/SVWJ-NB92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "member" }, { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-19", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Renard, Marc L." }, { "id": "/id/eprint/4831", "eprint_id": 4831, "rev_number": 9, "documents": [ { "id": "/id/document/7720", "doc_id": 7720, "rev_number": 2, "files": [ { "id": "/id/file/47383", "fileid": 47383, "datasetid": "document", "objectid": 7720, "filename": "Seymour_er_1962.pdf", "mime_type": "application/pdf", "filesize": 1545707, "mtime": "2012-12-26 03:12:13", "url": "/4831/1/Seymour_er_1962.pdf" } ], "eprint_id": 4831, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Seymour_er_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Seymour_er_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24239" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24239" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24239" } ] } }, { "id": "/id/document/24239", "doc_id": 24239, "rev_number": 2, "files": [ { "id": "/id/file/47381", "fileid": 47381, "datasetid": "document", "objectid": 24239, "filename": "preview.png", "mime_type": "image/png", "hash": "80cbbb7dac11eea9e1bb64feedc07f70", "hash_type": "MD5", "filesize": 10583, "mtime": "2012-12-26 03:12:13", "url": "/4831/2/preview.png" } ], "eprint_id": 4831, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7720" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7720" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7720" } ] } }, { "id": "/id/document/124555", "doc_id": 124555, "rev_number": 1, "files": [ { "id": "/id/file/369985", "fileid": 369985, "datasetid": "document", "objectid": 124555, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "c38cc44cdb60793a3bfcffa0c8dbdc95", "hash_type": "MD5", "filesize": 4909, "mtime": "2021-06-23 23:41:31", "url": "/4831/3/indexcodes.txt" } ], "eprint_id": 4831, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7720" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7720" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7720" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/31", "datestamp": "2005-12-08", "lastmod": "2023-11-27 20:55:24", "status_changed": "2009-09-25 03:26:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Seymour-E-R", "name": { "family": "Seymour", "given": "Ernest Richard" }, "show_email": "NO" } ] }, "title": "Some Investigations of Heterogeneous Flow in a Rocket Nozzle", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "In the heterogeneous flow of finely divided particles and gas in a rocket nozzle, the assumptions that the flow enters the nozzle with no lags, that the radiative transport of energy between particles is negligible, and that there are no temperature gradients within the particles, are commonly made. In this paper, each of these assumptions is investigated in detail, and they are shown to be reasonable for typical rocket nozzles.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-133112", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-133112", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/01GY-2E21", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Seymour, Ernest Richard" }, { "id": "/id/eprint/5118", "eprint_id": 5118, "rev_number": 9, "documents": [ { "id": "/id/document/8110", "doc_id": 8110, "rev_number": 2, "files": [ { "id": "/id/file/49927", "fileid": 49927, "datasetid": "document", "objectid": 8110, "filename": "Johnson_ds_1962.pdf", "mime_type": "application/pdf", "filesize": 10447551, "mtime": "2012-12-26 03:15:00", "url": "/5118/1/Johnson_ds_1962.pdf" } ], "eprint_id": 5118, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Johnson_ds_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Johnson_ds_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24615" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24615" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24615" } ] } }, { "id": "/id/document/24615", "doc_id": 24615, "rev_number": 2, "files": [ { "id": "/id/file/49925", "fileid": 49925, "datasetid": "document", "objectid": 24615, "filename": "preview.png", "mime_type": "image/png", "hash": "2cee47ded52c48d6d5dac541f97de297", "hash_type": "MD5", "filesize": 14164, "mtime": "2012-12-26 03:15:00", "url": "/5118/2/preview.png" } ], "eprint_id": 5118, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8110" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8110" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8110" } ] } }, { "id": "/id/document/124793", "doc_id": 124793, "rev_number": 1, "files": [ { "id": "/id/file/370223", "fileid": 370223, "datasetid": "document", "objectid": 124793, "filename": "indexcodes.txt", "mime_type": "text/x-c", "hash": "4ec90db6ba5240d3a5abc25aaae98f39", "hash_type": "MD5", "filesize": 36901, "mtime": "2021-06-23 23:54:30", "url": "/5118/3/indexcodes.txt" } ], "eprint_id": 5118, "pos": 3, "placement": 3, "mime_type": "text/x-c", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8110" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8110" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8110" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/18", "datestamp": "2005-12-22", "lastmod": "2023-11-22 22:04:52", "status_changed": "2009-09-25 03:33:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Johnson-Douglas-Stoddard", "name": { "family": "Johnson", "given": "Douglas Stoddard" }, "show_email": "NO" } ] }, "title": "I. Design and Application of Piezoceramic Transducers to Transient Pressure Measurements. II. Some Measurements of Curvature and Thickness of Reflecting Normal Shocks at Low Initial Pressures", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A small pressure transducer, using the piezoelectric properties of a manufactured ceramic, was designed, constructed and installed in the end plate of the GALCIT 17-inch shock tube to obtain high-speed measurements of the pressure field behind a reflecting shock.\r\n\r\nThe design problem for piezoceramic pressure transducers and some possible solutions are discussed in detail. Results of transducer calibration and recommendations for improvement of the instrument are presented.\r\n\r\nAn initial program to determine the curvature of a shock at low initial pressures was run concurrently with calibration of five of the above pressure transducers. The results of this program are described in as much detail as the data obtained to date will permit.\r\n\r\nAt an initial pressure of 30 microns in the GALCIT 17-inch tube, the shock obtained at a Mach number of about 7.5 in argon is observed to have a total curvature of approximately 10 millimeters, or approximately two per cent of the tube diameter. The shock thickness observed under these conditions is approximately 5 millimeters. These results indicate that it may be entirely possible to obtain good optical measurements inside the shock, but that it may be necessary to resort to special techniques to avoid optical distortion caused by curvature.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12222005-102730", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12222005-102730", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/BJ82-FM97", "alt_title": { "items": [ "Design and Application of Piezoceramic Transducers to Transient Pressure Measurements", "Some Measurements of Curvature and Thickness of Reflecting Normal Shocks at Low Initial Pressures" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-22", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Johnson, Douglas Stoddard" }, { "id": "/id/eprint/4830", "eprint_id": 4830, "rev_number": 12, "documents": [ { "id": "/id/document/7719", "doc_id": 7719, "rev_number": 2, "files": [ { "id": "/id/file/47376", "fileid": 47376, "datasetid": "document", "objectid": 7719, "filename": "Watts_ga_1962.pdf", "mime_type": "application/pdf", "filesize": 2275025, "mtime": "2012-12-26 03:12:12", "url": "/4830/1/Watts_ga_1962.pdf" } ], "eprint_id": 4830, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Watts_ga_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Watts_ga_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24238" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24238" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24238" } ] } }, { "id": "/id/document/24238", "doc_id": 24238, "rev_number": 2, "files": [ { "id": "/id/file/47374", "fileid": 47374, "datasetid": "document", "objectid": 24238, "filename": "preview.png", "mime_type": "image/png", "hash": "ab66bf3a8ed0754ec3e49ba9fa3569d3", "hash_type": "MD5", "filesize": 9781, "mtime": "2012-12-26 03:12:12", "url": "/4830/2/preview.png" } ], "eprint_id": 4830, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7719" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7719" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7719" } ] } }, { "id": "/id/document/124554", "doc_id": 124554, "rev_number": 1, "files": [ { "id": "/id/file/369984", "fileid": 369984, "datasetid": "document", "objectid": 124554, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "ea29f0a396ffea6876f7f0e12390d5ac", "hash_type": "MD5", "filesize": 6053, "mtime": "2021-06-23 23:41:30", "url": "/4830/3/indexcodes.txt" } ], "eprint_id": 4830, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7719" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7719" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7719" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/30", "datestamp": "2005-12-08", "lastmod": "2023-11-27 21:22:07", "status_changed": "2009-09-25 03:26:57", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Watts-George-Arthur", "name": { "family": "Watts", "given": "George Arthur" }, "show_email": "NO" } ] }, "title": "Vibration and Damping of Thin-Walled Cylinders", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The frequencies of normal modes of free vibration of three cylinders of different thickness were found experimentally. For some of the modes damping was also found. The modes excited were of a single axial half wave and multiple circumferential waves.
\r\n\r\nThe shells were geometrically similar except for thickness and were made by electroplating copper on accurately machined wax mandrels. Melting the wax produced shells of very uniform thickness without seams.
\r\n\r\nThe modes and frequencies agreed to within 10% of the theoretical values for cylinders with fixed ends, except at small numbers of waves where they agreed more closely with the theoretical values for freely supported ends. The damping factors tended toward a small constant value with increasing numbers of waves above the mode with fundamental frequency, but increased rapidly as the numbers of waves decreased below the fundamental.
\r\n", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-132350", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-132350", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/XPER-7Q77", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Watts, George Arthur" }, { "id": "/id/eprint/5062", "eprint_id": 5062, "rev_number": 10, "documents": [ { "id": "/id/document/8034", "doc_id": 8034, "rev_number": 2, "files": [ { "id": "/id/file/49424", "fileid": 49424, "datasetid": "document", "objectid": 8034, "filename": "Preukschat_aw_1962.pdf", "mime_type": "application/pdf", "filesize": 2545097, "mtime": "2012-12-26 03:14:26", "url": "/5062/1/Preukschat_aw_1962.pdf" } ], "eprint_id": 5062, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Preukschat_aw_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Preukschat_aw_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24541" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24541" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24541" } ] } }, { "id": "/id/document/24541", "doc_id": 24541, "rev_number": 2, "files": [ { "id": "/id/file/49422", "fileid": 49422, "datasetid": "document", "objectid": 24541, "filename": "preview.png", "mime_type": "image/png", "hash": "af3860244dc8acbe4789ed8c5eacbe9d", "hash_type": "MD5", "filesize": 9856, "mtime": "2012-12-26 03:14:26", "url": "/5062/2/preview.png" } ], "eprint_id": 5062, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8034" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8034" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8034" } ] } }, { "id": "/id/document/124737", "doc_id": 124737, "rev_number": 1, "files": [ { "id": "/id/file/370167", "fileid": 370167, "datasetid": "document", "objectid": 124737, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "9beb3689312f048c33258a1449dccda8", "hash_type": "MD5", "filesize": 6149, "mtime": "2021-06-23 23:51:48", "url": "/5062/3/indexcodes.txt" } ], "eprint_id": 5062, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8034" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8034" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8034" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/62", "datestamp": "2005-12-20", "lastmod": "2023-11-27 20:32:44", "status_changed": "2009-09-25 03:32:03", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Preukschat-A-Werner", "name": { "family": "Preukschat", "given": "A. Werner" }, "show_email": "NO" } ] }, "title": "Measurements of Drag Coefficients for Falling and Rising Spheres in Free Motion", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The purpose of this thesis is to investigate the drag coefficient of spheres in free motion, falling and rising, in water.\r\n\r\nFollowing the introduction the test set-up, sphere release mechanism, spheres and timing device and recorder are described.\r\n\r\nSection 3 gives the results of the drag coefficient measurements for free falling spheres which show good agreement with the known measurements, quoted, for instance, in the Handbuch der Experimentalphysik.\r\n\r\nSection 4 deals with the measurement of drag coefficients of free-rising spheres. It was found that the freely rising spheres move in an oscillatory path of which wavelength and amplitude depend on the ratio of sphere density and water density.\r\n\r\nThe local drag coefficient of the spheres was measured to be the same as for falling spheres. It was found to be independent of the sphere motion.\r\n\r\nNo critical Reynolds number was found for the onset of the oscillatory motion of the sphere. The oscillatory motion appeared to be independent of initial disturbances of the sphere motion.\r\n\r\nFrom photographs of the sphere paths Strouhal numbers were formed which are about one third the value given for circular cylinders in the same Reynolds number range.\r\n\r\nA theoretical oscillatory force coefficient, based on a force balance on the sphere, was obtained. It was found to be of the same order of magnitude as the correspondent, actually measured oscillatory force coefficient on a circular cylinder.\r\n\r\nThe Strouhal number based on the main theoretical frequency was found to be four times as high as the one calculated from the frequency of the sphere path. It could be, dependent on the sphere density, as high as twice the Strouhal number found for circular cylinders in the same Reynolds number range.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12192005-145326", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192005-145326", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-20", "doi": "10.7907/94MG-ZS76", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "chair" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-19", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Preukschat, A. Werner" }, { "id": "/id/eprint/5101", "eprint_id": 5101, "rev_number": 9, "documents": [ { "id": "/id/document/8077", "doc_id": 8077, "rev_number": 2, "files": [ { "id": "/id/file/49729", "fileid": 49729, "datasetid": "document", "objectid": 8077, "filename": "Casey_jc_1962.pdf", "mime_type": "application/pdf", "filesize": 1212450, "mtime": "2012-12-26 03:14:46", "url": "/5101/1/Casey_jc_1962.pdf" } ], "eprint_id": 5101, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Casey_jc_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Casey_jc_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24582" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24582" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24582" } ] } }, { "id": "/id/document/24582", "doc_id": 24582, "rev_number": 2, "files": [ { "id": "/id/file/49727", "fileid": 49727, "datasetid": "document", "objectid": 24582, "filename": "preview.png", "mime_type": "image/png", "hash": "a7862c81cab82e0adf3859ce76a35800", "hash_type": "MD5", "filesize": 11556, "mtime": "2012-12-26 03:14:45", "url": "/5101/2/preview.png" } ], "eprint_id": 5101, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8077" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8077" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8077" } ] } }, { "id": "/id/document/124760", "doc_id": 124760, "rev_number": 1, "files": [ { "id": "/id/file/370190", "fileid": 370190, "datasetid": "document", "objectid": 124760, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "b747d938f40c98702c332dca5f9a79ea", "hash_type": "MD5", "filesize": 7423, "mtime": "2021-06-23 23:53:33", "url": "/5101/3/indexcodes.txt" } ], "eprint_id": 5101, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8077" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8077" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8077" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/01", "datestamp": "2005-12-22", "lastmod": "2023-11-22 21:36:20", "status_changed": "2009-09-25 03:33:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Casey-John-Carl", "name": { "family": "Casey", "given": "John Carl" }, "show_email": "NO" } ] }, "title": "A Theoretical Investigation of Using N Low Thrust Impulses to Escape from a Circular Satellite Orbit", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An investigation was made into the advantages of using a discontinuous thrust program to escape from a cricular satellite orbit when using a low thrust propulsion unit. To make maximum use of the applied thrust, the perigee distance was chosen at a point where the atmospheric drag was negligible and this distance was held constant throughout the escape maneuver. A numerical integration was made of this method and the spiralling method. The appendixes show a comparison of these two methods.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12212005-142051", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212005-142051", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/58PH-YA67", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-21", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Casey, John Carl" }, { "id": "/id/eprint/4857", "eprint_id": 4857, "rev_number": 9, "documents": [ { "id": "/id/document/7746", "doc_id": 7746, "rev_number": 2, "files": [ { "id": "/id/file/47577", "fileid": 47577, "datasetid": "document", "objectid": 7746, "filename": "Simmons_jl_1962.pdf", "mime_type": "application/pdf", "filesize": 753817, "mtime": "2012-12-26 03:12:25", "url": "/4857/1/Simmons_jl_1962.pdf" } ], "eprint_id": 4857, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Simmons_jl_1962.pdf", "language": "en", "security": "public", "license": "other", "main": "Simmons_jl_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24265" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24265" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24265" } ] } }, { "id": "/id/document/24265", "doc_id": 24265, "rev_number": 2, "files": [ { "id": "/id/file/47575", "fileid": 47575, "datasetid": "document", "objectid": 24265, "filename": "preview.png", "mime_type": "image/png", "hash": "8f9ae60e9f783e071fa29a8f9bca257c", "hash_type": "MD5", "filesize": 9603, "mtime": "2012-12-26 03:12:24", "url": "/4857/2/preview.png" } ], "eprint_id": 4857, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7746" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7746" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7746" } ] } }, { "id": "/id/document/124569", "doc_id": 124569, "rev_number": 1, "files": [ { "id": "/id/file/369999", "fileid": 369999, "datasetid": "document", "objectid": 124569, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "69df980b319c110bcc62a56791e9ef61", "hash_type": "MD5", "filesize": 3487, "mtime": "2021-06-23 23:42:09", "url": "/4857/3/indexcodes.txt" } ], "eprint_id": 4857, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7746" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7746" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7746" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/57", "datestamp": "2005-12-08", "lastmod": "2023-11-27 21:04:04", "status_changed": "2009-09-25 03:27:18", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Simmons-Jerry-Lee", "name": { "family": "Simmons", "given": "Jerry Lee" }, "show_email": "NO" } ] }, "title": "Applications of the Two-Variable Expansion Procedure to Problems in Celestial Mechanics", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This work illustrates the application of the two-variable expansion procedure of reference 1 to the solution of two representative problems in celestial mechanics.\r\n\r\nThe expansion procedure is applied first to the problem of aerodynamic perturbations of a satellite orbit. The case of planar motion is considered with both lift and drag perturbations acting on the satellite. A simplified model of the earth is used, but the motion is expected to exhibit a similar qualitative behavior in the more general case. It is found that the effect of drag causes the satellite to spiral toward the center of attraction while the orbit is tending to become circular. The effect of lift, to the order computed, is felt only by a slow advance of the apse.\r\n\r\nThe second application of the expansion procedure is to the problem of third-body perturbations of a satellite orbit. A special case of the restricted three-body problem is used in which the plane of the satellite's orbit is coincident with the orbital plane of the two larger bodies. The two-variable expansion is applied to approximate equations which are valid for satellite orbits close to the smaller of the two large bodies. The results are in exact agreement with those of reference 2 and DePontecoulant's lunar theory. The solution of this problem is to serve as a preliminary step in establishing the choice of variables for the more general case in which the satellite's orbit has a high inclination to the orbital plane of the two larger bodies.", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12082005-110043", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082005-110043", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/E66T-1A37", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Royce-W-W", "name": { "family": "Royce", "given": "Winston W." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-08", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Simmons, Jerry Lee" }, { "id": "/id/eprint/4837", "eprint_id": 4837, "rev_number": 12, "documents": [ { "id": "/id/document/13352", "doc_id": 13352, "rev_number": 4, "files": [ { "id": "/id/file/47430", "fileid": 47430, "datasetid": "document", "objectid": 13352, "filename": "Savage_sb_1962.pdf", "mime_type": "application/pdf", "filesize": 7879010, "mtime": "2012-12-26 03:12:15", "url": "/4837/1/Savage_sb_1962.pdf" } ], "eprint_id": 4837, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Savage_sb_1962.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24245" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24245" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24245" } ] } }, { "id": "/id/document/13353", "doc_id": 13353, "rev_number": 3, "files": [ { "id": "/id/file/204444", "fileid": 204444, "datasetid": "document", "objectid": 13353, "filename": "Savage_sb_1962.zip", "mime_type": "application/zip", "filesize": 27157601, "mtime": "2016-08-22 21:17:36", "url": "/4837/2/Savage_sb_1962.zip" } ], "eprint_id": 4837, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Savage_sb_1962.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/24245", "doc_id": 24245, "rev_number": 2, "files": [ { "id": "/id/file/47428", "fileid": 47428, "datasetid": "document", "objectid": 24245, "filename": "preview.png", "mime_type": "image/png", "hash": "d2fc0f1f3dcc23b5c581be774c5d43b1", "hash_type": "MD5", "filesize": 10437, "mtime": "2012-12-26 03:12:15", "url": "/4837/3/preview.png" } ], "eprint_id": 4837, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/13352" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/13352" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/13352" } ] } }, { "id": "/id/document/124560", "doc_id": 124560, "rev_number": 1, "files": [ { "id": "/id/file/369990", "fileid": 369990, "datasetid": "document", "objectid": 124560, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "bb80e0bd13762539bee4b1b373048c34", "hash_type": "MD5", "filesize": 10994, "mtime": "2021-06-23 23:41:39", "url": "/4837/4/indexcodes.txt" } ], "eprint_id": 4837, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/13352" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/13352" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/13352" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/37", "datestamp": "2005-12-08", "lastmod": "2023-12-21 21:28:17", "status_changed": "2009-09-25 03:27:01", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Savage-Stuart-Blackton", "name": { "family": "Savage", "given": "Stuart Blackton" }, "show_email": "NO" } ] }, "title": "The Effect of Heat Transfer on Separation of Laminar Compressible Boundary Layers", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Tani's integral method is extended to treat laminar two-dimensional compressible boundary layers with heat transfer and arbitrary pressure gradient for both attached and separated flows. A carefully chosen one-parameter family for the velocity profiles and a \"universal\" stagnation enthalpy profile are assumed for attached flows. The accuracy of the method is examined by comparing the results with several \"exact\" numerical solutions and satisfactory agreement is obtained. For separated flows one-parameter families are assumed for both the velocity and stagnation enthalpy profiles. In this case the accuracy of the method is poor; however, suggestions are made as to how it might be improved within the present framework.\r\n", "date": "1962", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-143749", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-143749", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/XCR8-Y474", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_defense_date": "1962-01-01", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1962", "author_list": "Savage, Stuart Blackton" }, { "id": "/id/eprint/5115", "eprint_id": 5115, "rev_number": 11, "documents": [ { "id": "/id/document/8107", "doc_id": 8107, "rev_number": 2, "files": [ { "id": "/id/file/49904", "fileid": 49904, "datasetid": "document", "objectid": 8107, "filename": "Jacobs_dh_1961.pdf", "mime_type": "application/pdf", "filesize": 9807383, "mtime": "2012-12-26 03:14:59", "url": "/5115/1/Jacobs_dh_1961.pdf" } ], "eprint_id": 5115, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Jacobs_dh_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Jacobs_dh_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24612" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24612" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24612" } ] } }, { "id": "/id/document/24612", "doc_id": 24612, "rev_number": 2, "files": [ { "id": "/id/file/49902", "fileid": 49902, "datasetid": "document", "objectid": 24612, "filename": "preview.png", "mime_type": "image/png", "hash": "672d4d743f319738c2d31b4c8c8025b3", "hash_type": "MD5", "filesize": 7655, "mtime": "2012-12-26 03:14:59", "url": "/5115/2/preview.png" } ], "eprint_id": 5115, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8107" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8107" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8107" } ] } }, { "id": "/id/document/124791", "doc_id": 124791, "rev_number": 1, "files": [ { "id": "/id/file/370221", "fileid": 370221, "datasetid": "document", "objectid": 124791, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "d1a81c88d66e4a553e0bb55b78fb73fc", "hash_type": "MD5", "filesize": 73474, "mtime": "2021-06-23 23:54:24", "url": "/5115/3/indexcodes.txt" } ], "eprint_id": 5115, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8107" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8107" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8107" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/15", "datestamp": "2005-12-22", "lastmod": "2023-11-20 22:43:07", "status_changed": "2009-09-25 03:33:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Jacobs-Delbert-Harold", "name": { "family": "Jacobs", "given": "Delbert Harold" }, "show_email": "NO" } ] }, "title": "The Conduct of Basic Research in the Aerospace Industry", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An analysis of basic research activities in the Aerospace industry is presented. A detailed study of Boeing, Convair, Lockheed, and Douglas indicates extensive and widely varying approaches to basic research in these companies.\r\n\r\nThe establishment of a successful basic research organization in any environment is a sequential process subject to many problems and setbacks. The airframe companies, though making promising progress toward this goal, still have a long way to go. The inherent hazards associated with the aerospace business threaten the fledgling basic research organizations, and I believe it will be the exception and not the rule that sound basic research activity will result.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12222005-092206", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12222005-092206", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/RVZX-EQ72", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-22", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Jacobs, Delbert Harold" }, { "id": "/id/eprint/4901", "eprint_id": 4901, "rev_number": 12, "documents": [ { "id": "/id/document/7809", "doc_id": 7809, "rev_number": 2, "files": [ { "id": "/id/file/47964", "fileid": 47964, "datasetid": "document", "objectid": 7809, "filename": "Kingsland_l_1961.pdf", "mime_type": "application/pdf", "filesize": 3722778, "mtime": "2012-12-26 03:12:49", "url": "/4901/1/Kingsland_l_1961.pdf" } ], "eprint_id": 4901, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kingsland_l_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Kingsland_l_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24320" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24320" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24320" } ] } }, { "id": "/id/document/24320", "doc_id": 24320, "rev_number": 2, "files": [ { "id": "/id/file/47962", "fileid": 47962, "datasetid": "document", "objectid": 24320, "filename": "preview.png", "mime_type": "image/png", "hash": "3412fbdc393db4eaba4d5bc2fd396b30", "hash_type": "MD5", "filesize": 9407, "mtime": "2012-12-26 03:12:49", "url": "/4901/2/preview.png" } ], "eprint_id": 4901, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7809" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7809" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7809" } ] } }, { "id": "/id/document/124602", "doc_id": 124602, "rev_number": 1, "files": [ { "id": "/id/file/370032", "fileid": 370032, "datasetid": "document", "objectid": 124602, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "8f738b9b2bc61a651446c40e5a6670a4", "hash_type": "MD5", "filesize": 25168, "mtime": "2021-06-23 23:43:34", "url": "/4901/3/indexcodes.txt" } ], "eprint_id": 4901, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7809" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7809" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7809" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/01", "datestamp": "2005-12-09", "lastmod": "2023-11-20 23:02:14", "status_changed": "2009-09-25 03:28:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kingsland-Louis", "name": { "family": "Kingsland", "given": "Louis" }, "show_email": "NO" } ] }, "title": "Experimental Study of Helium and Argon Diffusion in the Wake of a Circular Cylinder at M = 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nExperimental measurements of the diffusion of helium and argon in the wake of a porous cylinder were made in the GALCIT hypersonic wind tunnel at Mach number 5.8. The cylinder was mounted perpendicular to the flow and small quantities of tracer gas were pumped through the model walls into the flow. The thermal conductivity method of gas analysis was used to determine the concentration of sample gases extracted from points in the wake.\r\n\r\nThe transverse and axial distribution of concentration appeared to follow theoretical estimates of \"similarity behavior\". Injection of tracer gas was found to have a measurable effect on stagnation pressure and this effect was taken into account during computations. Numerical values of diffusion coefficients along the wake centerline were computed from the experimental data and then compared with theoretical values for laminar flow. Close agreement between experimental and theoretical values at [...] = 18,000 verified that the inner wake was laminar as far downstream as measurements could be made (15 diameters). At [...] = 72,000, the data showed that mixing processes were 3 times more rapid for helium, and 10 times more rapid for argon, than those expected in laminar flow. This result confirmed the presence of turbulence at this flow condition.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12092005-081550", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092005-081550", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-09", "doi": "10.7907/1FDZ-JX04", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" }, { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-09", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Kingsland, Louis" }, { "id": "/id/eprint/5100", "eprint_id": 5100, "rev_number": 9, "documents": [ { "id": "/id/document/8076", "doc_id": 8076, "rev_number": 2, "files": [ { "id": "/id/file/49722", "fileid": 49722, "datasetid": "document", "objectid": 8076, "filename": "Sullivan_tl_1961.pdf", "mime_type": "application/pdf", "filesize": 3898804, "mtime": "2012-12-26 03:14:45", "url": "/5100/1/Sullivan_tl_1961.pdf" } ], "eprint_id": 5100, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Sullivan_tl_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Sullivan_tl_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24581" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24581" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24581" } ] } }, { "id": "/id/document/24581", "doc_id": 24581, "rev_number": 2, "files": [ { "id": "/id/file/49720", "fileid": 49720, "datasetid": "document", "objectid": 24581, "filename": "preview.png", "mime_type": "image/png", "hash": "0f6b63586443bef0437cc80dfb0c0782", "hash_type": "MD5", "filesize": 10840, "mtime": "2012-12-26 03:14:45", "url": "/5100/2/preview.png" } ], "eprint_id": 5100, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8076" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8076" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8076" } ] } }, { "id": "/id/document/124759", "doc_id": 124759, "rev_number": 1, "files": [ { "id": "/id/file/370189", "fileid": 370189, "datasetid": "document", "objectid": 124759, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "ebb1959c9a356f03715976348ce03d38", "hash_type": "MD5", "filesize": 14826, "mtime": "2021-06-23 23:53:32", "url": "/5100/3/indexcodes.txt" } ], "eprint_id": 5100, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8076" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8076" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8076" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/00", "datestamp": "2005-12-22", "lastmod": "2023-11-21 19:01:01", "status_changed": "2009-09-25 03:33:14", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sullivan-Timothy-Lay", "name": { "family": "Sullivan", "given": "Timothy Lay" }, "show_email": "NO" } ] }, "title": "The Effect of Floating Rings on the Stability of Longitudinally Stiffened Cylinders in Axial Compression", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation was conducted to determine the effect of floating rings on the stability of longitudinally stiffened, thin-walled cylinders in axial compression. Mylar and Plexiglas were used as the skin and stiffening materials, respectively. The primary objectives of the investigation were: (1) to determine the increase in buckling stress that could be obtained by the addition of floating rings; (2) to determine the ring stiffness required for the maximum cylinder strength; (3) to determine what effect the number of longitudinal stiffeners had on the ability of the rings to increase the buckling stress; and (4) to examine the mechanism of buckling in the various ring-stringer combinations. A strength-weight analysis was also made.\r\n\r\nThe addition of rings was found to be very effective in increasing the cylinder buckling load when 24 longitudinal stiffeners were used. The addition of three rings to a cylinder with 24 longitudinal stiffeners increased the buckling load 123 per cent with only a 20 per cent increase in weight. The ring stiffness beyond which there was no more increase in cylinder buckling strength was determined for the 24 stringer, two and three ring configurations. The ability of a ring to increase the buckling stress was markedly decreased when the number of longitudinal stiffeners was decreased from 24 to 12. The mechanism of buckling was also affected by the number of rings and longitudinal stiffeners.\r\n\r\nIn the light of the experimental results, two analytical methods are suggested for predicting the buckling stress of floating ring stiffened cylinders.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12212005-135322", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212005-135322", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/3MBR-S755", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-21", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Sullivan, Timothy Lay" }, { "id": "/id/eprint/4900", "eprint_id": 4900, "rev_number": 9, "documents": [ { "id": "/id/document/7808", "doc_id": 7808, "rev_number": 2, "files": [ { "id": "/id/file/47955", "fileid": 47955, "datasetid": "document", "objectid": 7808, "filename": "Copper_ja_1961.pdf", "mime_type": "application/pdf", "filesize": 3737477, "mtime": "2012-12-26 03:12:48", "url": "/4900/1/Copper_ja_1961.pdf" } ], "eprint_id": 4900, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Copper_ja_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Copper_ja_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24319" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24319" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24319" } ] } }, { "id": "/id/document/24319", "doc_id": 24319, "rev_number": 2, "files": [ { "id": "/id/file/47953", "fileid": 47953, "datasetid": "document", "objectid": 24319, "filename": "preview.png", "mime_type": "image/png", "hash": "662191a343db644274cabb35cda8919b", "hash_type": "MD5", "filesize": 9985, "mtime": "2012-12-26 03:12:48", "url": "/4900/2/preview.png" } ], "eprint_id": 4900, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7808" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7808" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7808" } ] } }, { "id": "/id/document/124601", "doc_id": 124601, "rev_number": 1, "files": [ { "id": "/id/file/370031", "fileid": 370031, "datasetid": "document", "objectid": 124601, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "dd94c1a2047715e7cb6e717b3160dba5", "hash_type": "MD5", "filesize": 14274, "mtime": "2021-06-23 23:43:32", "url": "/4900/3/indexcodes.txt" } ], "eprint_id": 4900, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7808" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7808" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7808" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/00", "datestamp": "2005-12-09", "lastmod": "2023-11-11 00:16:39", "status_changed": "2009-09-25 03:28:07", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Copper-John-Alan", "name": { "family": "Copper", "given": "John Alan" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of the Equilibrium Interface Technique", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The equilibrium interface technique has been suggested as a possible shock tunnel driver method. If this technique is workable, reservoir enthalpy levels can be increased substantially over those obtainable with the tailored interface technique without any physical modification of the shock tube. In order to determine the feasibility of the equilibrium interface technique as a shock tunnel driver method, experiments were performed in a shock tube, utilizing a cold helium driver, over the shock Mach number range 3.29 to 7.26.\r\n\r\nPressure histories were measured at the end of the driven tube; this pressure was found to reach an equilibrium condition for the complete shock Mach number range investigated. From the pressure histories the equilibrium pressure, time to reach equilibrium, and test time were determined. Measured equilibrium pressures were compared with an exact theory and two approximate theories. From the measured equilibrium pressure, the equilibrium enthalpy level was computed. The maximum equilibrium enthalpy was more than six times the reservoir enthalpy produced using the tailored interface technique.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12092005-080829", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092005-080829", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-09", "doi": "10.7907/XC3A-2540", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-09", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Copper, John Alan" }, { "id": "/id/eprint/5117", "eprint_id": 5117, "rev_number": 10, "documents": [ { "id": "/id/document/8109", "doc_id": 8109, "rev_number": 2, "files": [ { "id": "/id/file/49920", "fileid": 49920, "datasetid": "document", "objectid": 8109, "filename": "Wong_h_1961.pdf", "mime_type": "application/pdf", "filesize": 1647070, "mtime": "2012-12-26 03:15:00", "url": "/5117/1/Wong_h_1961.pdf" } ], "eprint_id": 5117, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wong_h_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Wong_h_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24614" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24614" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24614" } ] } }, { "id": "/id/document/24614", "doc_id": 24614, "rev_number": 2, "files": [ { "id": "/id/file/49918", "fileid": 49918, "datasetid": "document", "objectid": 24614, "filename": "preview.png", "mime_type": "image/png", "hash": "799497bb63801e197f96d02f05cd2961", "hash_type": "MD5", "filesize": 10033, "mtime": "2012-12-26 03:15:00", "url": "/5117/2/preview.png" } ], "eprint_id": 5117, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8109" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8109" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8109" } ] } }, { "id": "/id/document/124792", "doc_id": 124792, "rev_number": 1, "files": [ { "id": "/id/file/370222", "fileid": 370222, "datasetid": "document", "objectid": 124792, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "5374ad3f2036ba5b71431f7ac0ed8f2c", "hash_type": "MD5", "filesize": 8255, "mtime": "2021-06-23 23:54:29", "url": "/5117/3/indexcodes.txt" } ], "eprint_id": 5117, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8109" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8109" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8109" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/17", "datestamp": "2005-12-22", "lastmod": "2023-11-21 19:08:02", "status_changed": "2009-09-25 03:33:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wong-Howard", "name": { "family": "Wong", "given": "Howard" }, "show_email": "NO" } ] }, "title": "Preliminary Study of the Rate and Degree of Thermal Ionization of Argon Behind Shock Waves", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nA microwave system (K-band, 24KMC) was designed and assembled to study the degree of ionization in argon as a function of time or distance behind shock waves in a shock tube. The relaxation time for ionization and the attenuation and reflection of the microwave at equilibrium were measured for Mach numbers from 6.19 to 7.74 at [...] of 5mm and 10mm Hg to determine the influence of temperature, density, collision cross-section and impurities. These measurements were complemented with theoretical calculation of microwave absorption and electron density at equilibrium for a Mach number range of 6 to 8 with initial pressures [...] of 1 mm to 10mm Hg. (Sections II, III, IV)", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12222005-102142", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12222005-102142", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/SDGQ-VZ93", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Jahn-R-G", "name": { "family": "Jahn", "given": "Robert G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-22", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Wong, Howard" }, { "id": "/id/eprint/5105", "eprint_id": 5105, "rev_number": 11, "documents": [ { "id": "/id/document/8081", "doc_id": 8081, "rev_number": 2, "files": [ { "id": "/id/file/49761", "fileid": 49761, "datasetid": "document", "objectid": 8081, "filename": "Rice_jo_1961.pdf", "mime_type": "application/pdf", "filesize": 3689589, "mtime": "2012-12-26 03:14:47", "url": "/5105/1/Rice_jo_1961.pdf" } ], "eprint_id": 5105, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rice_jo_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Rice_jo_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24586" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24586" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24586" } ] } }, { "id": "/id/document/24586", "doc_id": 24586, "rev_number": 2, "files": [ { "id": "/id/file/49759", "fileid": 49759, "datasetid": "document", "objectid": 24586, "filename": "preview.png", "mime_type": "image/png", "hash": "10015db08aa43ab7ddf6a264d4aa3c28", "hash_type": "MD5", "filesize": 10516, "mtime": "2012-12-26 03:14:47", "url": "/5105/2/preview.png" } ], "eprint_id": 5105, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8081" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8081" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8081" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/05", "datestamp": "2005-12-22", "lastmod": "2023-11-21 18:07:53", "status_changed": "2009-09-25 03:33:19", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rice-James-Orville", "name": { "family": "Rice", "given": "James Orville" }, "show_email": "NO" } ] }, "title": "A Theoretical Investigation of Particle Motion in an Oscillating Gas", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An investigation is made of the drift motion of small particles under the influence of acoustic oscillations. The investigation is made to determine if the motion has a magnitude great enough to produce significant changes on the fuel distribution in the chamber of a liquid propellant rocket motor. The calculations are made for the motion in both a rectangular and a cylindrical chamber.\r\n\r\nIn the rectangular chamber the gas oscillation is restricted to the fundamental transverse mode and motion in only one dimension is considered. The particle drift velocity, that is the non-oscillating, non-damped term in the expression for the particle velocity is found in the solution of the second order equation.\r\n\r\nFor particle motion in the cylindrical enclosure, only gas oscillations in the first transverse or sloshing mode is considered and motion is restricted to a transverse plane of the cylinder. The particle drift velocity, again a second order term, is determined.\r\n\r\nThe magnitude of the drift velocity is calculated using conditions found in a liquid propellant rocket combustion chamber. Distances a typical fuel droplet would move during its average life time are calculated. The distances are small compared to the size of most rocket combustion chambers.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-12212005-154740", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12212005-154740", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-22", "doi": "10.7907/ECN5-NV36", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-21", "thesis_defense_date": "1961-01-01", "thesis_approved_date": "2005-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Rice, James Orville" }, { "id": "/id/eprint/2811", "eprint_id": 2811, "rev_number": 10, "documents": [ { "id": "/id/document/5147", "doc_id": 5147, "rev_number": 2, "files": [ { "id": "/id/file/30086", "fileid": 30086, "datasetid": "document", "objectid": 5147, "filename": "Chen_ws_1961.pdf", "mime_type": "application/pdf", "filesize": 5092446, "mtime": "2012-12-26 02:54:38", "url": "/2811/1/Chen_ws_1961.pdf" } ], "eprint_id": 2811, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chen_ws_1961.pdf", "language": "en", "security": "public", "license": "other", "main": "Chen_ws_1961.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21697" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21697" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21697" } ] } }, { "id": "/id/document/21697", "doc_id": 21697, "rev_number": 2, "files": [ { "id": "/id/file/30084", "fileid": 30084, "datasetid": "document", "objectid": 21697, "filename": "preview.png", "mime_type": "image/png", "hash": "549b461b620297e2943598f1d9b78109", "hash_type": "MD5", "filesize": 11990, "mtime": "2012-12-26 02:54:38", "url": "/2811/2/preview.png" } ], "eprint_id": 2811, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5147" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5147" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5147" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/11", "datestamp": "2006-07-19", "lastmod": "2023-11-10 23:42:47", "status_changed": "2009-09-25 02:45:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chen-William-S", "name": { "family": "Chen", "given": "William S." }, "show_email": "NO" } ] }, "title": "Measurements of Aerodynamic Noise on a Flat Plate in Supersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nMeasurements of aerodynamic noise, in the form of pressure fluctuations in a turbulent boundary layer, were made on a smooth flat plate in the 12- and 20-in. supersonic wind tunnels at the Jet Propulsion Laboratory. The noise was measured with small piezoelectric pressure transducers (0.015-0.03 in. diameter) constructed of barium titanate crystals which were flush-mounted in the flat plate.\r\n\r\nSpectral-energy distributions of the pressure fluctuations are obtained up to a frequency of 0.5 mc at freestream Mach numbers from 2.0 to 5.0, and Reynolds numbers based an bound layer-displacement thickness from 5 x 10(3) to 5 x 10(4). By grouping the test variables into the proper nondimensional forms and correcting for the finite transducer size, the energy spectra are found to be similar and uniquely related to both Mach number and Reynolds number. The total, or integrated, level of noise at the plate surface, in terms of root-mean-square values of the pressure fluctuations, is a constant equal to about 10 times the shear stress [...] the wall. The intensity, [...], is directly proportional to the fourth power of the freestream Mach number.\r\n\r\nCorrelation measurements in time and in the streamwise direction in space show that the noise at the plate surface to convected downstream with a characteristic velocity equal to 75% of the freestream velocity. The correlation dies off rapidly with spacing between pickup points, and the convection velocity shows no dependence on either Mach number or Reynolds number.", "date": "1961", "date_type": "degree", "id_number": "CaltechETD:etd-07052006-084242", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07052006-084242", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-07-19", "doi": "10.7907/SEEW-5974", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-07-05", "thesis_approved_date": "2006-07-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1961", "author_list": "Chen, William S." }, { "id": "/id/eprint/4864", "eprint_id": 4864, "rev_number": 11, "documents": [ { "id": "/id/document/7753", "doc_id": 7753, "rev_number": 2, "files": [ { "id": "/id/file/47631", "fileid": 47631, "datasetid": "document", "objectid": 7753, "filename": "Anderson_de_1960.pdf", "mime_type": "application/pdf", "filesize": 4890088, "mtime": "2012-12-26 03:12:28", "url": "/4864/1/Anderson_de_1960.pdf" } ], "eprint_id": 4864, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Anderson_de_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Anderson_de_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24272" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24272" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24272" } ] } }, { "id": "/id/document/24272", "doc_id": 24272, "rev_number": 2, "files": [ { "id": "/id/file/47629", "fileid": 47629, "datasetid": "document", "objectid": 24272, "filename": "preview.png", "mime_type": "image/png", "hash": "b252941cd8e0892a5331ddd193ea396b", "hash_type": "MD5", "filesize": 8949, "mtime": "2012-12-26 03:12:28", "url": "/4864/2/preview.png" } ], "eprint_id": 4864, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7753" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7753" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7753" } ] } }, { "id": "/id/document/124574", "doc_id": 124574, "rev_number": 1, "files": [ { "id": "/id/file/370004", "fileid": 370004, "datasetid": "document", "objectid": 124574, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "bd199e54c6555c94e21316ee1bee489d", "hash_type": "MD5", "filesize": 20084, "mtime": "2021-06-23 23:42:21", "url": "/4864/3/indexcodes.txt" } ], "eprint_id": 4864, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7753" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7753" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7753" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/64", "datestamp": "2005-12-09", "lastmod": "2023-11-07 17:23:47", "status_changed": "2009-09-25 03:27:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Anderson-David-Ellsworth", "name": { "family": "Anderson", "given": "David Ellsworth" }, "show_email": "NO" } ] }, "title": "Investigation of Ablation of Ice Bodies in Hypersonic Flows", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe physical characteristics of the ablation process are described. A theoretical approach to calculate the heat transfer to the wall of an ablating body under flow conditions encountered in the GALCIT hypersonic tunnels is outlined. Simplification is achieved by assuming the vapor pressure next to the subliming body is at its equilibrium value. The GALCIT hypersonic test facilities are described briefly. Methods of manufacture are given for [...], [...], and [...] models. Techniques and special test equipment used in obtaining experiments results with [...] and [...] (camphor) are described. An illustration of the computational technique used to determine the heat transfer rates to the wall and the wall temperature distributions is included. Figures to show the agreement between theory and experiment are presented and reasonable results are obtained for temperature distribution, but heat-transfer rates (ablation rates) are greater for theory than for experiment.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12082005-140201", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082005-140201", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-09", "doi": "10.7907/CD24-6081", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-08", "thesis_approved_date": "2005-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Anderson, David Ellsworth" }, { "id": "/id/eprint/4903", "eprint_id": 4903, "rev_number": 10, "documents": [ { "id": "/id/document/7811", "doc_id": 7811, "rev_number": 2, "files": [ { "id": "/id/file/47979", "fileid": 47979, "datasetid": "document", "objectid": 7811, "filename": "Mohlenhoff_w_1960.pdf", "mime_type": "application/pdf", "filesize": 8923199, "mtime": "2012-12-26 03:12:50", "url": "/4903/1/Mohlenhoff_w_1960.pdf" } ], "eprint_id": 4903, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mohlenhoff_w_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Mohlenhoff_w_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24322" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24322" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24322" } ] } }, { "id": "/id/document/24322", "doc_id": 24322, "rev_number": 2, "files": [ { "id": "/id/file/47977", "fileid": 47977, "datasetid": "document", "objectid": 24322, "filename": "preview.png", "mime_type": "image/png", "hash": "e045c60dad052c31b1fa2ac8fc448d6f", "hash_type": "MD5", "filesize": 9464, "mtime": "2012-12-26 03:12:50", "url": "/4903/2/preview.png" } ], "eprint_id": 4903, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7811" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7811" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7811" } ] } }, { "id": "/id/document/124604", "doc_id": 124604, "rev_number": 1, "files": [ { "id": "/id/file/370034", "fileid": 370034, "datasetid": "document", "objectid": 124604, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "4db1cec5f04a6e871b28a92c36d67a03", "hash_type": "MD5", "filesize": 44129, "mtime": "2021-06-23 23:43:39", "url": "/4903/3/indexcodes.txt" } ], "eprint_id": 4903, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7811" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7811" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7811" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/03", "datestamp": "2005-12-12", "lastmod": "2023-11-07 18:59:18", "status_changed": "2009-09-25 03:28:10", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mohlenhoff-William", "name": { "family": "Mohlenhoff", "given": "William" }, "show_email": "NO" } ] }, "title": "Experimental Study of Helium Diffusion in the Wake of a Circular Cylinder at M=5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental study of the diffusion of helium in the wake of a circular cylinder was conducted in the GALCIT hypersonic wind tunnel at a Mach number of 5.8. The cylinder was constructed of material having random porosity and was mounted with its axis perpendicular to the stream. The light gas was injected in small amounts and the thermal conductivity method was utilized to detect the concentration of helium in the air at points downstream. Problems in the utilization of the thermal conductivity method for low sample densities were overcome by suitable calibration.\r\n\r\nFlow in the wake of the cylinder was found to display characteristically similar behavior at a few diameters downstream, with respect to decay and spread of the concentration. Reynolds number similarity was established in the laminar case, but turbulent Reynolds number similarity may require reference to momentum thickness, which was not possible with the present data.\r\n\r\nProfile data was somewhat marred by a tunnel pressure perturbation, but many of the important conclusions were not affected. The profiles appear to follow the theoretical Gaussian distribution in the similar region.\r\n\r\nThe thermal conductivity method is quite promising as a means of tracing the diffusion of one binary gas constituent in another, as applied to hypersonic wind tunnel experiment. It will also serve in the analysis of transition and turbulence, and of the lateral spreading of the turbulent fluid into the rest of the wake region behind the bow shock.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12092005-131025", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092005-131025", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-12", "doi": "10.7907/QH2Z-TC50", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kubota-T", "name": { "family": "Kubota", "given": "Toshi" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-09", "thesis_defense_date": "1960-01-01", "thesis_approved_date": "2005-12-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Mohlenhoff, William" }, { "id": "/id/eprint/4908", "eprint_id": 4908, "rev_number": 10, "documents": [ { "id": "/id/document/7816", "doc_id": 7816, "rev_number": 2, "files": [ { "id": "/id/file/48016", "fileid": 48016, "datasetid": "document", "objectid": 7816, "filename": "Williams_ad_1960.pdf", "mime_type": "application/pdf", "filesize": 3049728, "mtime": "2012-12-26 03:12:52", "url": "/4908/1/Williams_ad_1960.pdf" } ], "eprint_id": 4908, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Williams_ad_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Williams_ad_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24327" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24327" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24327" } ] } }, { "id": "/id/document/24327", "doc_id": 24327, "rev_number": 2, "files": [ { "id": "/id/file/48014", "fileid": 48014, "datasetid": "document", "objectid": 24327, "filename": "preview.png", "mime_type": "image/png", "hash": "0ab3c9e575d04977d6fb361fcdfd80e1", "hash_type": "MD5", "filesize": 8515, "mtime": "2012-12-26 03:12:52", "url": "/4908/2/preview.png" } ], "eprint_id": 4908, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7816" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7816" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7816" } ] } }, { "id": "/id/document/124609", "doc_id": 124609, "rev_number": 1, "files": [ { "id": "/id/file/370039", "fileid": 370039, "datasetid": "document", "objectid": 124609, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "1531c06d3d8efbec9b99d1d5a9b59e60", "hash_type": "MD5", "filesize": 2880, "mtime": "2021-06-23 23:43:51", "url": "/4908/3/indexcodes.txt" } ], "eprint_id": 4908, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7816" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7816" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7816" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/08", "datestamp": "2005-12-12", "lastmod": "2023-11-09 00:58:38", "status_changed": "2009-09-25 03:28:14", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Williams-Allen-Dean", "name": { "family": "Williams", "given": "Allen Dean" }, "show_email": "NO" } ] }, "title": "The Effect of Tip Clearance Flows on Performance of Axial Flow Compressors", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The change in rotor performance with tip clearance of an axial flow compressor over a wide range of flow rates above stall was investigated to gain more understanding of the effect of the tip flow mechanism on rotor performance.\r\n\r\nThe experimental results were compared with a flow model proposed previously and found to be in reasonable agreement.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12092005-163445", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092005-163445", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-12", "doi": "10.7907/7T14-SP07", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" }, { "id": "Acosta-A-J", "name": { "family": "Acosta", "given": "Allan J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-09", "thesis_defense_date": "1960-01-01", "thesis_approved_date": "2005-12-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Williams, Allen Dean" }, { "id": "/id/eprint/4829", "eprint_id": 4829, "rev_number": 10, "documents": [ { "id": "/id/document/7718", "doc_id": 7718, "rev_number": 2, "files": [ { "id": "/id/file/47369", "fileid": 47369, "datasetid": "document", "objectid": 7718, "filename": "Lindquist_dmw_1960.pdf", "mime_type": "application/pdf", "filesize": 2740187, "mtime": "2012-12-26 03:12:12", "url": "/4829/1/Lindquist_dmw_1960.pdf" } ], "eprint_id": 4829, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lindquist_dmw_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Lindquist_dmw_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24237" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24237" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24237" } ] } }, { "id": "/id/document/24237", "doc_id": 24237, "rev_number": 2, "files": [ { "id": "/id/file/47367", "fileid": 47367, "datasetid": "document", "objectid": 24237, "filename": "preview.png", "mime_type": "image/png", "hash": "e3bd9e59d1b9e646ebbf0aa5d145c6e4", "hash_type": "MD5", "filesize": 12635, "mtime": "2012-12-26 03:12:11", "url": "/4829/2/preview.png" } ], "eprint_id": 4829, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7718" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7718" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7718" } ] } }, { "id": "/id/document/124553", "doc_id": 124553, "rev_number": 1, "files": [ { "id": "/id/file/369983", "fileid": 369983, "datasetid": "document", "objectid": 124553, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "8c4034c46e896cb0ed3da317b6996f62", "hash_type": "MD5", "filesize": 11852, "mtime": "2021-06-23 23:41:29", "url": "/4829/3/indexcodes.txt" } ], "eprint_id": 4829, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7718" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7718" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7718" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/29", "datestamp": "2005-12-08", "lastmod": "2023-11-07 18:33:28", "status_changed": "2009-09-25 03:26:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lindquist-David-Max-Wadsworth", "name": { "family": "Lindquist", "given": "David Max Wadsworth" }, "show_email": "NO" } ] }, "title": "Exact and Approximate Solutions to the Pressure-Loaded Plate Strip with Temperature Distribution", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The large deflection analysis for a plate strip under uniform pressure and temperature loading is extended to include spanwise variation of temperature. An exact temperature distribution is derived and stress and deflection equations are developed for the fundamental mode thereof. A parabolic approximation to the fundamental mode is shown to be reasonably accurate. Using this approximation, a direct analogy to the case of uniform temperature distribution can be demonstrated in terms of \"effective\" pressure, temperature moment, and average temperature. The equilibrium equations are formally identical, permitting the use of design charts based on spanwise constant loadings.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12072005-131831", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12072005-131831", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-08", "doi": "10.7907/G7PZ-8898", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-07", "thesis_approved_date": "2005-12-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Lindquist, David Max Wadsworth" }, { "id": "/id/eprint/4793", "eprint_id": 4793, "rev_number": 10, "documents": [ { "id": "/id/document/7670", "doc_id": 7670, "rev_number": 2, "files": [ { "id": "/id/file/47051", "fileid": 47051, "datasetid": "document", "objectid": 7670, "filename": "Utterback_pw_1960.pdf", "mime_type": "application/pdf", "filesize": 6768990, "mtime": "2012-12-26 03:11:50", "url": "/4793/1/Utterback_pw_1960.pdf" } ], "eprint_id": 4793, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Utterback_pw_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Utterback_pw_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24189" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24189" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24189" } ] } }, { "id": "/id/document/24189", "doc_id": 24189, "rev_number": 2, "files": [ { "id": "/id/file/47049", "fileid": 47049, "datasetid": "document", "objectid": 24189, "filename": "preview.png", "mime_type": "image/png", "hash": "02e573ea677b98e2fb3526c15271e1ad", "hash_type": "MD5", "filesize": 11033, "mtime": "2012-12-26 03:11:50", "url": "/4793/2/preview.png" } ], "eprint_id": 4793, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7670" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7670" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7670" } ] } }, { "id": "/id/document/124524", "doc_id": 124524, "rev_number": 1, "files": [ { "id": "/id/file/369954", "fileid": 369954, "datasetid": "document", "objectid": 124524, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "92ba179c76b78323fdf97b688da2a620", "hash_type": "MD5", "filesize": 16221, "mtime": "2021-06-23 23:40:20", "url": "/4793/3/indexcodes.txt" } ], "eprint_id": 4793, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7670" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7670" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7670" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/93", "datestamp": "2005-12-06", "lastmod": "2023-11-09 00:48:20", "status_changed": "2009-09-25 03:26:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Utterback-Paul-Wilson", "name": { "family": "Utterback", "given": "Paul Wilson" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Flow Conditions Behind a Bluff Body Flameholder", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Carbon-containing combustion products were analyzed behind a bluff body flameholder in a two-dimensional duct. Molar concentrations of carbon monoxide, carbon dioxide, and unburned hydrocarbon fuel were obtained at various positions vertically across the duct 34 1/8 inches behind the flameholder by means of an Infra Red Anaylzer. A carbon balance was conducted across the duct, and parameters such as combustion efficiency, temperature, pressure, sampling rate, density, and velocity of the gas mixture were determined.\r\n\r\nThe data indicate that the methods of sampling and measurement and the use of the analyzer were satisfactory in this type of investigation. Division of the flame into three distinct zones (unburned, reaction, and burned) is shown to be a reasonable approximation. The carbon balance across the duct was found to be in good agreement with theoretical predictions, provided that the water vapor in the gas samples was properly evaluated. Flame spreading behind the flameholder is a slow process, and this fact was verified by evaluation of the combustion efficiency and by determination of the limits of the burned zone.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12052005-151405", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12052005-151405", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-06", "doi": "10.7907/YHR8-6948", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-05", "thesis_defense_date": "1960-01-01", "thesis_approved_date": "2005-12-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Utterback, Paul Wilson" }, { "id": "/id/eprint/4794", "eprint_id": 4794, "rev_number": 9, "documents": [ { "id": "/id/document/7671", "doc_id": 7671, "rev_number": 2, "files": [ { "id": "/id/file/47058", "fileid": 47058, "datasetid": "document", "objectid": 7671, "filename": "Sarosdy_lr_1960.pdf", "mime_type": "application/pdf", "filesize": 4408679, "mtime": "2012-12-26 03:11:51", "url": "/4794/1/Sarosdy_lr_1960.pdf" } ], "eprint_id": 4794, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Sarosdy_lr_1960.pdf", "language": "en", "security": "public", "license": "other", "main": "Sarosdy_lr_1960.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24190" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24190" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24190" } ] } }, { "id": "/id/document/24190", "doc_id": 24190, "rev_number": 2, "files": [ { "id": "/id/file/47056", "fileid": 47056, "datasetid": "document", "objectid": 24190, "filename": "preview.png", "mime_type": "image/png", "hash": "ba93d0166f22c044695c8e5b472fa138", "hash_type": "MD5", "filesize": 8730, "mtime": "2012-12-26 03:11:51", "url": "/4794/2/preview.png" } ], "eprint_id": 4794, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7671" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7671" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7671" } ] } }, { "id": "/id/document/124525", "doc_id": 124525, "rev_number": 1, "files": [ { "id": "/id/file/369955", "fileid": 369955, "datasetid": "document", "objectid": 124525, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "34589620783d770bc1d2571534198fd4", "hash_type": "MD5", "filesize": 23487, "mtime": "2021-06-23 23:40:22", "url": "/4794/3/indexcodes.txt" } ], "eprint_id": 4794, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7671" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7671" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/7671" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/94", "datestamp": "2005-12-06", "lastmod": "2023-11-08 23:51:41", "status_changed": "2009-09-25 03:26:16", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sarosdy-Louis-Robert", "name": { "family": "Sarosdy", "given": "Louis Robert" }, "show_email": "NO" } ] }, "title": "Cavitation Similarity Studies with Water and Freon-113", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The development of cavitation behind a disc in water and Freon-113 was investigated in a cavitation tunnel designed for this purpose. Measurements of pressure within the cavities formed in water indicated that the vapor pressure within the cavity was less than the vapor pressure of the fluid at the bulk temperature. Observations of the cavities formed in the two liquids showed qualitative differences, and some possible reasons for this behavior are discussed.", "date": "1960", "date_type": "degree", "id_number": "CaltechETD:etd-12052005-155203", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12052005-155203", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-06", "doi": "10.7907/CZWP-PB71", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Acosta-A-J", "name": { "family": "Acosta", "given": "Allan J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-05", "thesis_defense_date": "1960-01-01", "thesis_approved_date": "2005-12-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1960", "author_list": "Sarosdy, Louis Robert" }, { "id": "/id/eprint/624", "eprint_id": 624, "rev_number": 11, "documents": [ { "id": "/id/document/928", "doc_id": 928, "rev_number": 2, "files": [ { "id": "/id/file/5839", "fileid": 5839, "datasetid": "document", "objectid": 928, "filename": "Peck_jc_1959.pdf", "mime_type": "application/pdf", "filesize": 2145962, "mtime": "2012-12-26 02:31:02", "url": "/624/1/Peck_jc_1959.pdf" } ], "eprint_id": 624, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Peck_jc_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Peck_jc_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17730" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17730" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17730" } ] } }, { "id": "/id/document/17730", "doc_id": 17730, "rev_number": 2, "files": [ { "id": "/id/file/5837", "fileid": 5837, "datasetid": "document", "objectid": 17730, "filename": "preview.png", "mime_type": "image/png", "hash": "8aebd9442988eac349dc612d4c728cbc", "hash_type": "MD5", "filesize": 9377, "mtime": "2012-12-26 02:31:02", "url": "/624/2/preview.png" } ], "eprint_id": 624, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/928" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/928" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/928" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/24", "datestamp": "2006-02-14", "lastmod": "2023-10-18 23:25:44", "status_changed": "2009-09-25 01:41:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Peck-Jerry-Clifford", "name": { "family": "Peck", "given": "Jerry Clifford" }, "show_email": "NO" } ] }, "title": "Bending-Torsion Flutter of an Airfoil with Nonlinear Structural Characteristics", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A theoretical analysis of the incompressible bending-torsion flutter of a two-dimensional airfoil with nonlinear structural characteristics is presented. The Method of Slowly Varying Parameters of Kryloff and Bogoliuboff is applied, and the steady-state oscillations are found. The stability of the steady-state oscillation is analyzed through the use of perturbation equations. A quasi-steady aerodynamic approximation is used, and closed-form solutions for the steady-state oscillations are found for the case of elastic torsional nonlinearities. A numerical example of a soft-hard stiffness characteristic is treated, and the steady-state and stability results given.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-02132006-152832", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02132006-152832", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-02-14", "doi": "10.7907/P0DS-PX18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Caughey-T-K", "name": { "family": "Caughey", "given": "Thomas Kirk" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-02-13", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-02-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Peck, Jerry Clifford" }, { "id": "/id/eprint/3096", "eprint_id": 3096, "rev_number": 9, "documents": [ { "id": "/id/document/5521", "doc_id": 5521, "rev_number": 2, "files": [ { "id": "/id/file/32578", "fileid": 32578, "datasetid": "document", "objectid": 5521, "filename": "Bauer_ab_1959.pdf", "mime_type": "application/pdf", "filesize": 2425417, "mtime": "2012-12-26 02:56:59", "url": "/3096/1/Bauer_ab_1959.pdf" } ], "eprint_id": 3096, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bauer_ab_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Bauer_ab_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22065" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22065" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22065" } ] } }, { "id": "/id/document/22065", "doc_id": 22065, "rev_number": 2, "files": [ { "id": "/id/file/32576", "fileid": 32576, "datasetid": "document", "objectid": 22065, "filename": "preview.png", "mime_type": "image/png", "hash": "08ee42dbd3fe83728a88c93093fa4cf4", "hash_type": "MD5", "filesize": 11972, "mtime": "2012-12-26 02:56:59", "url": "/3096/2/preview.png" } ], "eprint_id": 3096, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5521" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5521" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5521" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/30/96", "datestamp": "2005-08-11", "lastmod": "2023-10-18 16:30:43", "status_changed": "2009-09-25 02:51:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bauer-Andrew-Burkhard", "name": { "family": "Bauer", "given": "Andrew Burkhard" }, "show_email": "NO" } ] }, "title": "Vortex Formation and Shedding from a Two-Dimensional, Thin, Flat Plate Parallel to the Free Stream", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Vortex formation and shedding from the trailing edge of a two-dimensional, thin, flat plate parallel to the free stream is studied experimentally for the case of incompressible flow. Consideration of the classical boundary layer theory, the Karman vortex-street theory, the formation of the vortex centers, and some annihilation of vorticity in the free shear layers leads to an estimate of Strouhal number. This estimate is in reasonable agreement with experiment. The flow phenomena of a splitter plate mounted aft of the main plate and of a NACA 0012 airfoil are also observed experimentally and are found to be in essential agreement with applicable portions of the theory.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-08112005-130544", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08112005-130544", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-08-11", "doi": "10.7907/K0ZD-XY10", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-08-11", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2005-08-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Bauer, Andrew Burkhard" }, { "id": "/id/eprint/3102", "eprint_id": 3102, "rev_number": 10, "documents": [ { "id": "/id/document/5532", "doc_id": 5532, "rev_number": 2, "files": [ { "id": "/id/file/32646", "fileid": 32646, "datasetid": "document", "objectid": 5532, "filename": "Monroe_ll_1959.pdf", "mime_type": "application/pdf", "filesize": 6501970, "mtime": "2012-12-26 02:57:03", "url": "/3102/1/Monroe_ll_1959.pdf" } ], "eprint_id": 3102, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Monroe_ll_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Monroe_ll_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22076" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22076" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22076" } ] } }, { "id": "/id/document/22076", "doc_id": 22076, "rev_number": 2, "files": [ { "id": "/id/file/32644", "fileid": 32644, "datasetid": "document", "objectid": 22076, "filename": "preview.png", "mime_type": "image/png", "hash": "16fc313619313548c57765d625a3fb53", "hash_type": "MD5", "filesize": 9130, "mtime": "2012-12-26 02:57:03", "url": "/3102/2/preview.png" } ], "eprint_id": 3102, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5532" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5532" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5532" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/31/02", "datestamp": "2005-08-12", "lastmod": "2023-10-18 22:27:54", "status_changed": "2009-09-25 02:51:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Monroe-Louis-L", "name": { "family": "Monroe", "given": "Louis L." }, "show_email": "NO" } ] }, "title": "Investigation of the Transmission of a Shock Wave Through an Orifice", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A shock wave propagating in air in a shock tube was reflected from an orifice plate, and the strength or Mach number of the transmitted wave was measured for a range of incident shock Mach numbers from 3 to 9 for several types of orifices. Also schlieren photographs of the starting flow pattern were made for some of the orifices investigated.\r\n\r\nThe measured values of transmitted shock strength are compared with predicted values based on a theoretical one-dimensional flow model for both an ideal gas and a real gas. The agreement between the measured values of transmitted wave Mach number and the theoretically predicted values is extremely good in the Mach number range investigated for a wedge type orifice at an ambient shock tube pressure of 5.0 mm Hg, and also for a conical type orifice at an ambient shock tube pressure of 2.5 mm Hg. For both orifices the ratio of outlet area to inlet area is 7.67.\r\n\r\nThe data also indicate that for a wedge type orifice of area ratio of 23.0 and for a plate (free expansion) type orifice of area ratio 23.0 possible boundary layer and shock wave interactions downstream of the orifice result in measured values of transmitted wave Mach number somewhat greater than that predicted by the one-dimensional flow model.\r\n\r\nInvestigation of the conical orifice with an area ratio 7.67 at a low ambient pressure in the shock tube (0.4 mm Hg) also yields measured values of transmitted wave Mach number greater than that predicted by the one-dimensional flow model, indicating the probable development of a thick boundary layer behind the transmitted wave downstream of the orifice.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-08122005-134039", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08122005-134039", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-08-12", "doi": "10.7907/Y42Q-9F44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" }, { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-08-12", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2005-08-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Monroe, Louis L." }, { "id": "/id/eprint/81", "eprint_id": 81, "rev_number": 9, "documents": [ { "id": "/id/document/143", "doc_id": 143, "rev_number": 2, "files": [ { "id": "/id/file/855", "fileid": 855, "datasetid": "document", "objectid": 143, "filename": "Hemmingway_re_1959.pdf", "mime_type": "application/pdf", "filesize": 3159953, "mtime": "2012-12-26 02:27:15", "url": "/81/1/Hemmingway_re_1959.pdf" } ], "eprint_id": 81, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hemmingway_re_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Hemmingway_re_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16971" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16971" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16971" } ] } }, { "id": "/id/document/16971", "doc_id": 16971, "rev_number": 2, "files": [ { "id": "/id/file/853", "fileid": 853, "datasetid": "document", "objectid": 16971, "filename": "preview.png", "mime_type": "image/png", "hash": "22a43b264a246a9ab503af99ed935467", "hash_type": "MD5", "filesize": 10474, "mtime": "2012-12-26 02:27:15", "url": "/81/2/preview.png" } ], "eprint_id": 81, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/143" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/143" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/143" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/00/81", "datestamp": "2006-01-10", "lastmod": "2023-10-18 21:36:31", "status_changed": "2009-09-25 01:27:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hemmingway-Richard-Earl", "name": { "family": "Hemmingway", "given": "Richard Earl" }, "show_email": "NO" } ] }, "title": "Turbulent Flow in a Nuclear Heat-Exchanger", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A gas-cooled, cylindrical, nuclear reactor is used as the basis in the theoretical derivation of the coolant's enthalpy increase and pressure loss across the reactor. Turbulent flow is assumed in the coolant passages of the reactor, and the Reynolds analogy is used as the basis for correlating the heat transfer coefficient and the friction coefficient.\r\n\r\nThe general equations are derived and two examples, a nuclear-hydrogen rocket and a ramjet, are given to demonstrate applications of the general results.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-01092006-144119", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01092006-144119", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-10", "doi": "10.7907/0QX0-8Y04", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-09", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-01-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Hemmingway, Richard Earl" }, { "id": "/id/eprint/11", "eprint_id": 11, "rev_number": 9, "documents": [ { "id": "/id/document/51", "doc_id": 51, "rev_number": 2, "files": [ { "id": "/id/file/235", "fileid": 235, "datasetid": "document", "objectid": 51, "filename": "Chapkis_rl_1959.pdf", "mime_type": "application/pdf", "filesize": 2177631, "mtime": "2012-12-26 02:26:47", "url": "/11/1/Chapkis_rl_1959.pdf" } ], "eprint_id": 11, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chapkis_rl_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Chapkis_rl_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16879" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16879" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16879" } ] } }, { "id": "/id/document/16879", "doc_id": 16879, "rev_number": 2, "files": [ { "id": "/id/file/233", "fileid": 233, "datasetid": "document", "objectid": 16879, "filename": "preview.png", "mime_type": "image/png", "hash": "10232b001b959f9945edb283f50945b8", "hash_type": "MD5", "filesize": 9737, "mtime": "2012-12-26 02:26:46", "url": "/11/2/preview.png" } ], "eprint_id": 11, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/51" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/51" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/51" } ] } }, { "id": "/id/document/119627", "doc_id": 119627, "rev_number": 1, "files": [ { "id": "/id/file/364993", "fileid": 364993, "datasetid": "document", "objectid": 119627, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "6367b7be5f8666a1e73c043302de89ac", "hash_type": "MD5", "filesize": 11775, "mtime": "2021-06-23 20:10:17", "url": "/11/3/indexcodes.txt" } ], "eprint_id": 11, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/51" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/51" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/51" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/00/11", "datestamp": "2006-01-03", "lastmod": "2023-10-18 18:07:12", "status_changed": "2009-09-25 01:26:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chapkis-Robert-Lynn", "name": { "family": "Chapkis", "given": "Robert Lynn" }, "show_email": "NO" } ] }, "title": "Hypersonic Flow Over an Elliptic Cone: Theory and Experiment", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "By applying hypersonic approximations to Ferri's linearized characteristics method simple results were obtained for the shock shape and surface pressure distribution for an unyawed conical body of arbitrary cross-section. Calculations were carried out for an elliptic cone having a ratio of major to minor axis of 2:1, and a semi-vertex angle of about 12\u00b0 in the meridian plane containing the major axis. An experimental investigation of the flow over this body conducted at a Mach number of 5.8 in the GALCIT hypersonic wind tunnel showed that the surface pressure distribution at zero angle of attack agreed quite closely with the theoretical prediction. On the other hand the simple Newtonian approximation predicts pressures that are too low.\r\n\r\nSurface pressure distributions and schlieren photographs of the shock shape were also obtained at angles of attack up to 14\u00b0 at zero yaw, and at angles of yaw up to 10\u00b0, at zero pitch. At the higher angles of attack the Newtonian approximation for the surface pressures is quite accurate.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-01032006-130909", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01032006-130909", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-03", "doi": "10.7907/35S5-3H33", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-03", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-01-03", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Chapkis, Robert Lynn" }, { "id": "/id/eprint/5149", "eprint_id": 5149, "rev_number": 9, "documents": [ { "id": "/id/document/8149", "doc_id": 8149, "rev_number": 2, "files": [ { "id": "/id/file/50190", "fileid": 50190, "datasetid": "document", "objectid": 8149, "filename": "Smith_hl_1959.pdf", "mime_type": "application/pdf", "filesize": 2891874, "mtime": "2012-12-26 03:15:17", "url": "/5149/1/Smith_hl_1959.pdf" } ], "eprint_id": 5149, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Smith_hl_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Smith_hl_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24652" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24652" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24652" } ] } }, { "id": "/id/document/24652", "doc_id": 24652, "rev_number": 2, "files": [ { "id": "/id/file/50188", "fileid": 50188, "datasetid": "document", "objectid": 24652, "filename": "preview.png", "mime_type": "image/png", "hash": "ba2dd156c67cd46b84917205e4b15f28", "hash_type": "MD5", "filesize": 9429, "mtime": "2012-12-26 03:15:17", "url": "/5149/2/preview.png" } ], "eprint_id": 5149, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8149" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8149" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8149" } ] } }, { "id": "/id/document/124823", "doc_id": 124823, "rev_number": 1, "files": [ { "id": "/id/file/370253", "fileid": 370253, "datasetid": "document", "objectid": 124823, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "926a71ce1dfb16ea5fb97773bb724558", "hash_type": "MD5", "filesize": 17732, "mtime": "2021-06-23 23:55:40", "url": "/5149/3/indexcodes.txt" } ], "eprint_id": 5149, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8149" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8149" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8149" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/49", "datestamp": "2005-12-29", "lastmod": "2023-10-19 23:35:44", "status_changed": "2009-09-25 03:34:30", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Smith-Homer-Leroy", "name": { "family": "Smith", "given": "Homer Leroy" }, "show_email": "NO" } ] }, "title": "The Study of a Lifting Air Breathing Boost for Satellite Launch", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The effect on performance of variations in power plant, aircraft, and rocket parameters was calculated for a lifting air breathing boost system for launching satellites. A limited variation in aircraft flight plan was considered also. In addition, comparisons were made between the air breathing boost system and a three stage all rocket system. For the air breathing boost computations were made for launch Mach numbers ranging from two to five.\r\n\r\nThe air breathing boost was assumed to be a turbojet or dual cycle engine powered aircraft. The rocket used in conjunction with the boost had two stages. In computing aircraft performance thrust and engine specific fuel consumption were taken as constants. The lift to drag ratio was also considered constant for each portion of the flight profile which consisted of a take off and acceleration to climb speed, a two step climb, and a pull up to the maximum angle attainable for rocket launch.\r\n\r\nIn computing rocket performance burning times, effective exhaust velocities, payload weight ratios, and structural weight ratios were assumed to be the same for each stage. Drag was neglected in rocket calculations, and the acceleration of gravity was assumed constant. The calculations were made by computing the kinetic and potential energies for a sounding rocket and equating them to the energy required for orbit.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-12282005-094057", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12282005-094057", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/Q47F-X275", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-28", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Smith, Homer Leroy" }, { "id": "/id/eprint/34", "eprint_id": 34, "rev_number": 10, "documents": [ { "id": "/id/document/80", "doc_id": 80, "rev_number": 2, "files": [ { "id": "/id/file/436", "fileid": 436, "datasetid": "document", "objectid": 80, "filename": "Satre_rs_1959.pdf", "mime_type": "application/pdf", "filesize": 3499487, "mtime": "2012-12-26 02:26:56", "url": "/34/1/Satre_rs_1959.pdf" } ], "eprint_id": 34, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Satre_rs_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Satre_rs_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16908" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16908" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16908" } ] } }, { "id": "/id/document/16908", "doc_id": 16908, "rev_number": 2, "files": [ { "id": "/id/file/434", "fileid": 434, "datasetid": "document", "objectid": 16908, "filename": "preview.png", "mime_type": "image/png", "hash": "7080c613ea87d3c5eb186529e9e436b3", "hash_type": "MD5", "filesize": 12006, "mtime": "2012-12-26 02:26:55", "url": "/34/2/preview.png" } ], "eprint_id": 34, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/80" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/80" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/80" } ] } }, { "id": "/id/document/119650", "doc_id": 119650, "rev_number": 1, "files": [ { "id": "/id/file/365016", "fileid": 365016, "datasetid": "document", "objectid": 119650, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "282f2a8b2e5429a6b102eae7b3603b03", "hash_type": "MD5", "filesize": 13507, "mtime": "2021-06-23 20:12:04", "url": "/34/3/indexcodes.txt" } ], "eprint_id": 34, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/80" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/80" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/80" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/00/34", "datestamp": "2006-01-05", "lastmod": "2023-10-19 22:49:04", "status_changed": "2009-09-25 01:26:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Satre-Robert-Scott", "name": { "family": "Satre", "given": "Robert Scott" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Flame Propagation Downstream of a Cylindrical Flameholder", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Flame propagation downstream of a 1/8 inch circular cylindric flameholder was studied experimentally. The effects on flame spreading of the fuel-air mixture velocity and such chemical parameters as fuel-air ratio, mixture temperature, and fuel composition were determined. Combustion wake widths were determined from measurement of spark Schlieren photographs.\r\n\r\nThe data indicate that flow was laminar up to a critical velocity corresponding to a Reynolds number of 0.9 x 10^4, and turbulent for super critical velocities. The experiments were restricted to the turbulent flow regime. In this regime, the wake width was velocity independent and fuel-air ratio had only a slight effect. There was a small, and nearly linear, decrease in wake width as the temperature was increased. The effect substitution of hydrogen gas for hydrocarbon fuel revealed that turbulent wake spreading was independent of fuel composition.\r\n\r\nComparison of the experimental results with theoretical treatments of flame spreading showed that none of the existing theories was satisfactory.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-01052006-153127", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01052006-153127", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-05", "doi": "10.7907/6BCM-YC54", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-05", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-01-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Satre, Robert Scott" }, { "id": "/id/eprint/232", "eprint_id": 232, "rev_number": 9, "documents": [ { "id": "/id/document/335", "doc_id": 335, "rev_number": 2, "files": [ { "id": "/id/file/2141", "fileid": 2141, "datasetid": "document", "objectid": 335, "filename": "Doering_er_1959.pdf", "mime_type": "application/pdf", "filesize": 2109997, "mtime": "2012-12-26 02:28:10", "url": "/232/1/Doering_er_1959.pdf" } ], "eprint_id": 232, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Doering_er_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Doering_er_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17160" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17160" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17160" } ] } }, { "id": "/id/document/17160", "doc_id": 17160, "rev_number": 2, "files": [ { "id": "/id/file/2139", "fileid": 2139, "datasetid": "document", "objectid": 17160, "filename": "preview.png", "mime_type": "image/png", "hash": "39f4631f6e0dbcc8fcde0c033f295b2c", "hash_type": "MD5", "filesize": 9412, "mtime": "2012-12-26 02:28:10", "url": "/232/2/preview.png" } ], "eprint_id": 232, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/335" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/335" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/335" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/32", "datestamp": "2006-01-24", "lastmod": "2023-10-18 18:36:33", "status_changed": "2009-09-25 01:31:31", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Doering-Eugene-Richard", "name": { "family": "Doering", "given": "Eugene Richard" }, "show_email": "NO" } ] }, "title": "Experiments on the Flow at the Nose of a Thin Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An investigation of a family of two-dimensional airfoils was conducted in the Merrill Wind Tunnel at California Institute of Technology, to determine experimentally the effect of camber on an airfoil that stalls at the nose, and to compare the results with a simplified thin airfoil theory, which requires that flow conditions at the nose be similar.\r\n\r\nThe nine percent thick models had cambers of zero, three, and six percent, and a fourth model with six percent camber had a rear slot at about 70 percent chord.\r\n\r\nTests conducted at Reynolds Numbers of 640,000 and 840,000 showed that the addition of camber to a nose-stalling airfoil tended to make it a trailing-edge staller or partially so, but that by use of the slot, the stall was shifted back to the nose.\r\n\r\nGood agreement was obtained in the theoretical and experimental determination of maximum lift for the slotted airfoil, but not for the angle at which this occurred.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-01192006-081801", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01192006-081801", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-24", "doi": "10.7907/6NZA-Q027", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-19", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-01-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Doering, Eugene Richard" }, { "id": "/id/eprint/377", "eprint_id": 377, "rev_number": 9, "documents": [ { "id": "/id/document/550", "doc_id": 550, "rev_number": 2, "files": [ { "id": "/id/file/3525", "fileid": 3525, "datasetid": "document", "objectid": 550, "filename": "Dawson_te_1959.pdf", "mime_type": "application/pdf", "filesize": 8811993, "mtime": "2012-12-26 02:29:14", "url": "/377/1/Dawson_te_1959.pdf" } ], "eprint_id": 377, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dawson_te_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Dawson_te_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17376" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17376" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17376" } ] } }, { "id": "/id/document/17376", "doc_id": 17376, "rev_number": 2, "files": [ { "id": "/id/file/3523", "fileid": 3523, "datasetid": "document", "objectid": 17376, "filename": "preview.png", "mime_type": "image/png", "hash": "bcced1d9ba382dd30d13cc553cba30c9", "hash_type": "MD5", "filesize": 10298, "mtime": "2012-12-26 02:29:14", "url": "/377/2/preview.png" } ], "eprint_id": 377, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/550" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/550" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/550" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/77", "datestamp": "2006-01-27", "lastmod": "2023-10-18 18:26:55", "status_changed": "2009-09-25 01:35:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dawson-Thomas-Emmett", "name": { "family": "Dawson", "given": "Thomas Emmett" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of a Fully Cavitating Two-Dimensional Flat Plate Hydrofoil Near a Free Surface", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A fully cavitating two-dimensional flat plate hydrofoil at and below a free surface was investigated. The effects of proximity to the free surface, angle of attack, cavitation number and Froude number or gravity on the normal force, the moment about the leading edge, the center of pressure location, the cavity length and the air flow rate into the cavity are discussed. Comparisons to other experiments and theories also are made.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-01272006-130656", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272006-130656", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-27", "doi": "10.7907/Y3SP-XX86", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Acosta-A-J", "name": { "family": "Acosta", "given": "Allan J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-27", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-01-27", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Dawson, Thomas Emmett" }, { "id": "/id/eprint/535", "eprint_id": 535, "rev_number": 10, "documents": [ { "id": "/id/document/777", "doc_id": 777, "rev_number": 2, "files": [ { "id": "/id/file/4964", "fileid": 4964, "datasetid": "document", "objectid": 777, "filename": "Stockmair_w_1959.pdf", "mime_type": "application/pdf", "filesize": 4157534, "mtime": "2012-12-26 02:30:19", "url": "/535/1/Stockmair_w_1959.pdf" } ], "eprint_id": 535, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stockmair_w_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Stockmair_w_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17592" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17592" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17592" } ] } }, { "id": "/id/document/17592", "doc_id": 17592, "rev_number": 2, "files": [ { "id": "/id/file/4962", "fileid": 4962, "datasetid": "document", "objectid": 17592, "filename": "preview.png", "mime_type": "image/png", "hash": "1322e7e910e2400e492df4f94f775c25", "hash_type": "MD5", "filesize": 9519, "mtime": "2012-12-26 02:30:19", "url": "/535/2/preview.png" } ], "eprint_id": 535, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/777" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/777" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/777" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/35", "datestamp": "2006-02-07", "lastmod": "2023-10-19 20:53:05", "status_changed": "2009-09-25 01:39:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stockmair-Wilfried", "name": { "family": "Stockmair", "given": "Wilfried" }, "show_email": "NO" } ] }, "title": "Problems in Effusion", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The flow of rarefied gases from a vessel through an orifice into vacuum is studied here. Special conditions of this study are that the mean free path of the molecules is of the same order of magnitude as the hole diameter; furthermore the thickness of the wall is neglected. Knudsen [1,2] investigated this effusion problem for constant conditions throughout the gas, assuming Maxwellian velocity distribution and very large mean free paths. In the present study the influence of a one-dimensional temperature gradient extending from the wall upstream into the gas is investigated. Formulae for the massflux and the spatial intensity distribution of the outflowing molecules are calculated for steady flow conditions. Finally the behavior corresponding to a nonstationary temperature gradient (according to suddenly heated or cooled wall) is studied.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-02072006-131514", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02072006-131514", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-02-07", "doi": "10.7907/KH55-XN11", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Cole-J-D", "name": { "family": "Cole", "given": "Julian D." }, "role": "advisor" }, { "id": "Plesset-M-S", "name": { "family": "Plesset", "given": "Milton S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-02-07", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-02-07", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Stockmair, Wilfried" }, { "id": "/id/eprint/549", "eprint_id": 549, "rev_number": 11, "documents": [ { "id": "/id/document/796", "doc_id": 796, "rev_number": 2, "files": [ { "id": "/id/file/5094", "fileid": 5094, "datasetid": "document", "objectid": 796, "filename": "Wood_rd_1959.pdf", "mime_type": "application/pdf", "filesize": 5097328, "mtime": "2012-12-26 02:30:25", "url": "/549/1/Wood_rd_1959.pdf" } ], "eprint_id": 549, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wood_rd_1959.pdf", "language": "en", "security": "public", "license": "other", "main": "Wood_rd_1959.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17611" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17611" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17611" } ] } }, { "id": "/id/document/17611", "doc_id": 17611, "rev_number": 2, "files": [ { "id": "/id/file/5092", "fileid": 5092, "datasetid": "document", "objectid": 17611, "filename": "preview.png", "mime_type": "image/png", "hash": "ee68afabd0b3ff59e0e870b668dd9ad1", "hash_type": "MD5", "filesize": 9509, "mtime": "2012-12-26 02:30:24", "url": "/549/2/preview.png" } ], "eprint_id": 549, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/796" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/796" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/796" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/49", "datestamp": "2006-02-10", "lastmod": "2023-10-19 21:36:33", "status_changed": "2009-09-25 01:40:00", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wood-Richard-Donald", "name": { "family": "Wood", "given": "Richard Donald" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Hypersonic Stagnation Temperature Probes", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn experimental investigation of single-shielded hypersonic stagnation temperature probes was conducted in the GALCIT Leg No.1 hypersonic wind tunnel and in the Jet Propulsion Laboratory 12-inch supersonic wind tunnel.\r\n\r\nBy the combined use of both shield and base heating, a probe recovery factor of r = 1.0 was obtained over a range of Reynolds numbers at M [...] = 5.75. By using the experimental data and simple heat balance equations, the probe losses, for the conditions investigated, were found to be in the proportion: shield conduction loss - 15; base conduction loss - 3; thermocouple conduction loss - 1; thermocouple radiation loss - 3/100. The typical decrease in probe recovery factor observed for decreasing Reynolds number appears to be related to a decrease in the base temperature and not to the wire conduction loss as commonly assumed.\r\n\r\nAn optimum probe vent to entrance area ratio of [...] was found and is shown to be a function of the number of vent holes used in the shield.\r\n\r\nNo single calibration parameter was found that could relate the experimental recovery factors under all conditions.", "date": "1959", "date_type": "degree", "id_number": "CaltechETD:etd-02082006-130736", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02082006-130736", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-02-10", "doi": "10.7907/KXK1-JQ18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Kendall-James-Madison", "name": { "family": "Kendall", "given": "James M." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-02-08", "thesis_defense_date": "1959-01-01", "thesis_approved_date": "2006-02-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1959", "author_list": "Wood, Richard Donald" }, { "id": "/id/eprint/2653", "eprint_id": 2653, "rev_number": 9, "documents": [ { "id": "/id/document/4953", "doc_id": 4953, "rev_number": 2, "files": [ { "id": "/id/file/28738", "fileid": 28738, "datasetid": "document", "objectid": 4953, "filename": "Prouty_RW_1958.pdf", "mime_type": "application/pdf", "filesize": 3432358, "mtime": "2012-12-26 02:53:23", "url": "/2653/1/Prouty_RW_1958.pdf" } ], "eprint_id": 2653, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Prouty_RW_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "Prouty_RW_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21503" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21503" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21503" } ] } }, { "id": "/id/document/21503", "doc_id": 21503, "rev_number": 2, "files": [ { "id": "/id/file/28736", "fileid": 28736, "datasetid": "document", "objectid": 21503, "filename": "preview.png", "mime_type": "image/png", "hash": "e20a3c48b35db2b8e8b0504251387388", "hash_type": "MD5", "filesize": 10041, "mtime": "2012-12-26 02:53:23", "url": "/2653/2/preview.png" } ], "eprint_id": 2653, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4953" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4953" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4953" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/26/53", "datestamp": "2005-06-20", "lastmod": "2023-10-16 23:05:55", "status_changed": "2009-09-25 02:42:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Prouty-Raymond-Wilbur", "name": { "family": "Prouty", "given": "Raymond Wilbur" }, "show_email": "NO" } ] }, "title": "Part I: A Second Approximation to the Induced Drag of a Helicopter Rotor in Forward Flight. Part II: The Instantaneous Induced Velocity at the Blade of a Finite-Bladed Rotor in Forward Flight", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "In Part I, a method is derived for determining the induced drag of a helicopter rotor in forward flight from the distribution of circulation in the wake. Charts of the correction factor to be applied to the ordinary momentum value of induced drag are presented for ranges of flight parameters currently in use.\r\n\r\nIn Part II, the expression for the instantaneous induced velocity at a blade is developed by application of the Biot and Savart Law to a helical wake surface on which the circulation distribution varies both with radius and with azimuth in a manner corresponding to the actual lift distribution on the blade.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-06202005-140259", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06202005-140259", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-06-20", "doi": "10.7907/GZWS-7W28", "alt_title": { "items": [ "Second Approximation to the Induced Drag of a Helicopter Rotor in Forward Flight", "Instantaneous Induced Velocity at the Blade of a Finite-Bladed Rotor in Forward Flight" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-06-20", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2005-06-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Prouty, Raymond Wilbur" }, { "id": "/id/eprint/124", "eprint_id": 124, "rev_number": 13, "documents": [ { "id": "/id/document/195", "doc_id": 195, "rev_number": 3, "files": [ { "id": "/id/file/1220", "fileid": 1220, "datasetid": "document", "objectid": 195, "filename": "Matthews_ml_1958.pdf", "mime_type": "application/pdf", "filesize": 2793008, "mtime": "2012-12-26 02:27:28", "url": "/124/1/Matthews_ml_1958.pdf" } ], "eprint_id": 124, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Matthews_ml_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17020" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17020" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17020" } ] } }, { "id": "/id/document/17020", "doc_id": 17020, "rev_number": 2, "files": [ { "id": "/id/file/1218", "fileid": 1218, "datasetid": "document", "objectid": 17020, "filename": "preview.png", "mime_type": "image/png", "hash": "7ac9614fb994ed71b403191fe59a3d35", "hash_type": "MD5", "filesize": 9990, "mtime": "2012-12-26 02:27:28", "url": "/124/2/preview.png" } ], "eprint_id": 124, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/195" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/195" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/195" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/24", "datestamp": "2006-01-12", "lastmod": "2023-10-16 22:27:43", "status_changed": "2009-09-25 01:29:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Matthews-Malcolm-LeRoy", "name": { "family": "Matthews", "given": "Malcolm LeRoy" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Viscous Effects on Static and Impact Pressure Probes in Hypersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation of viscous effects on static and impact pressure probes was conducted in the GALCIT Leg 1 hypersonic wind tunnel.
\r\n\r\nThis investigation of the impact probes showed viscous effects to be important for free stream Reynolds numbers less than 6000 based on the probe diameter, in the Mach number range 5.4 to 5.7. For 80 < Re < 6000, the results showed the measured impact pressure to be less than the inviscid value. The maximum deviation from the inviscid impact pressure was 2.3 per cent at a Reynolds number of 200. For Re < 80 the measured impact pressure was greater than the inviscid value.
\r\n\r\nThe investigation of the static pressure probes for a Mach number 5.8 and a free stream Reynolds number of 16,000 based on the probe diameter showed a very thick and rapidly growing boundary layer over the probe surface. This boundary layer was sufficient to cause the static pressure measured by a 10 degree cone-nosed probe with its orifice 45 diameters aft of the probe tip to be 7.5 per cent greater than the free stream static pressure. The boundary layer thickness on the 10 degree cone-nosed probe was several times that of the probe radius. The boundary layer was surveyed on a hemispherical-nosed and a flat-nosed probe and showed the boundary layer thickness to be several times that of the 10 degree cone-nosed probe.
", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-01112006-091955", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01112006-091955", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-12", "doi": "10.7907/MQPD-A933", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Kendall-James-Madison", "name": { "family": "Kendall", "given": "James M." }, "role": "advisor" }, { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-11", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2006-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Matthews, Malcolm LeRoy" }, { "id": "/id/eprint/4354", "eprint_id": 4354, "rev_number": 9, "documents": [ { "id": "/id/document/7121", "doc_id": 7121, "rev_number": 2, "files": [ { "id": "/id/file/43368", "fileid": 43368, "datasetid": "document", "objectid": 7121, "filename": "Huebner_df_1958.pdf", "mime_type": "application/pdf", "filesize": 13132117, "mtime": "2012-12-26 03:07:52", "url": "/4354/1/Huebner_df_1958.pdf" } ], "eprint_id": 4354, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Huebner_df_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "Huebner_df_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23650" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23650" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23650" } ] } }, { "id": "/id/document/23650", "doc_id": 23650, "rev_number": 2, "files": [ { "id": "/id/file/43366", "fileid": 43366, "datasetid": "document", "objectid": 23650, "filename": "preview.png", "mime_type": "image/png", "hash": "304719d271c7e341323530a0e28aded8", "hash_type": "MD5", "filesize": 10064, "mtime": "2012-12-26 03:07:52", "url": "/4354/2/preview.png" } ], "eprint_id": 4354, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7121" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7121" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7121" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/54", "datestamp": "2004-11-01", "lastmod": "2023-10-16 21:39:07", "status_changed": "2009-09-25 03:16:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Huebner-Danny-Frederick", "name": { "family": "Huebner", "given": "Danny Frederick" }, "show_email": "NO" } ] }, "title": "Experimental Development of a Short Flexible Plate Nozzle Using the Influence Method", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe purpose of this investigation was to determine the possibility of using a semi-empirical technique, the Influence Method, to shorten the CWT supersonic flexible plate nozzle. The experiments were conducted in the CWT 8 1/2 x 11 feet flexible plate nozzle at [...] = 1.600 and [...] = 1.700.\r\n\r\nThe Influence Method and its application to shortening a flexible plate nozzle are presented and discussed. Included are comparisons of the theoretical and experimental jack influence parameters. Theoretical length estimates are presented which determine to what extent the CWT nozzle could be shortened.\r\n\r\nResults indicate that the Influence Method can be used to shorten the CWT supersonic flexible plate nozzle. The usable testing length was increased by approximately 35% at both the Mach numbers investigated. However, as the nozzle becomes shorter the undesirable Mach number variation, in the region occupied by models, increases from [plus or minus] 0.005 to [plus or minus] 0.015.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-11012004-143034", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11012004-143034", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-11-01", "doi": "10.7907/YN82-P321", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-11-01", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2004-11-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Huebner, Danny Frederick" }, { "id": "/id/eprint/3684", "eprint_id": 3684, "rev_number": 9, "documents": [ { "id": "/id/document/6300", "doc_id": 6300, "rev_number": 2, "files": [ { "id": "/id/file/37741", "fileid": 37741, "datasetid": "document", "objectid": 6300, "filename": "Fabula_ag_1958.pdf", "mime_type": "application/pdf", "filesize": 4113261, "mtime": "2012-12-26 03:02:09", "url": "/3684/1/Fabula_ag_1958.pdf" } ], "eprint_id": 3684, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Fabula_ag_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "Fabula_ag_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22838" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22838" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22838" } ] } }, { "id": "/id/document/22838", "doc_id": 22838, "rev_number": 2, "files": [ { "id": "/id/file/37739", "fileid": 37739, "datasetid": "document", "objectid": 22838, "filename": "preview.png", "mime_type": "image/png", "hash": "1e84e0b78c532267b46572d8eef57903", "hash_type": "MD5", "filesize": 8234, "mtime": "2012-12-26 03:02:09", "url": "/3684/2/preview.png" } ], "eprint_id": 3684, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6300" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6300" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6300" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/36/84", "datestamp": "2004-09-23", "lastmod": "2023-10-16 18:48:23", "status_changed": "2009-09-25 03:03:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fabula-Andrew-George", "name": { "family": "Fabula", "given": "Andrew George" }, "show_email": "NO" } ] }, "title": "Some Experiments in Cavitation Bubble Dynamics", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Observations of the shape distortion during collapse of individual cavitation bubbles with maximum radii of about 0.5 to 1 cm have been made for collapse times of three to fourteen milliseconds; these observations are compared with theory. The bubbles were produced in superheated water and photographed at 3000 or 5000 frames per second. Growth was triggered by electrolysis and collapse was produced by pressurization. The distortions of bubble shape from spherical were found to be fairly well predicted by the theory of M. Rattray, when his perturbation parameter was adapted in a simple manner to the conditions used. A large variation in the collapse noise, due to bubble distortion caused by translational velocity, was observed to occur over the range of conditions tested.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-09222004-134550", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09222004-134550", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-09-23", "doi": "10.7907/942V-N588", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Plesset-M-S", "name": { "family": "Plesset", "given": "Milton S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-09-22", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2004-09-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Fabula, Andrew George" }, { "id": "/id/eprint/102", "eprint_id": 102, "rev_number": 9, "documents": [ { "id": "/id/document/164", "doc_id": 164, "rev_number": 2, "files": [ { "id": "/id/file/1017", "fileid": 1017, "datasetid": "document", "objectid": 164, "filename": "McCoy_jc_1958.pdf", "mime_type": "application/pdf", "filesize": 6883656, "mtime": "2012-12-26 02:27:21", "url": "/102/1/McCoy_jc_1958.pdf" } ], "eprint_id": 102, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "McCoy_jc_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "McCoy_jc_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16992" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16992" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16992" } ] } }, { "id": "/id/document/16992", "doc_id": 16992, "rev_number": 2, "files": [ { "id": "/id/file/1015", "fileid": 1015, "datasetid": "document", "objectid": 16992, "filename": "preview.png", "mime_type": "image/png", "hash": "0ebbc85aa6aad5e302585c2573b21341", "hash_type": "MD5", "filesize": 12878, "mtime": "2012-12-26 02:27:21", "url": "/102/2/preview.png" } ], "eprint_id": 102, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/164" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/164" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/164" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/02", "datestamp": "2006-01-12", "lastmod": "2023-10-16 22:32:37", "status_changed": "2009-09-25 01:28:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "McCoy-John-Carver", "name": { "family": "McCoy", "given": "John Carver" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of the General Instability of Ring-Stiffened, Unpressurized, Thin-Walled Cylinders Under Axial Compression", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Eight different series of thin-walled Mylar cylinders were tested experimentally to investigate the general instability of ring-stiffened, unpressurized, thin-walled cylinders under axial compressive loading. The primary objectives for these tests were: to determine whether the bending or the torsional stiffness of the rings was the most effective stiffening parameter; to determine the relative effectiveness of ring-stiffeners around the inside and the outside of the cylinders; and to investigate the mechanism of buckling of unpressurized cylinders under axial compression.\r\n\r\nIt was found that the torsional stiffness of the ring-stiffeners was the most important parameter for stiffening the thin-walled Mylar cylinders under axial loading. Ring-stiffeners with a low torsional stiffness did not stiffen the cylinder effectively until the rings were closely spaced. Ring-stiffeners on the inside of the cylinders did not affect the maximum buckling load when they were not bonded to the cylinder walls. Ring-stiffeners on the outside of the cylinders provided effective stiffening whether they were bonded to the cylinder walls or not.\r\n\r\nThe experimental results of thin-walled cylinders under axial compression indicated that the cylinder walls expand laterally to some critical amount, at which time they become unstable and suddenly collapse into buckling. The ring-stiffeners increase the critical compressive load with their effective torsional stiffness by resisting the annular collapse of the cylinder walls into diamond shaped buckles. At an L/R ring spacing ratio of 1.0 or less, the walls tended to buckle across the ring-stiffeners.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-01102006-133017", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01102006-133017", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-12", "doi": "10.7907/TR8H-6D86", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-10", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2006-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "McCoy, John Carver" }, { "id": "/id/eprint/5164", "eprint_id": 5164, "rev_number": 10, "documents": [ { "id": "/id/document/8169", "doc_id": 8169, "rev_number": 2, "files": [ { "id": "/id/file/50323", "fileid": 50323, "datasetid": "document", "objectid": 8169, "filename": "Thurston_dt_1958.pdf", "mime_type": "application/pdf", "filesize": 5008035, "mtime": "2012-12-26 03:15:27", "url": "/5164/1/Thurston_dt_1958.pdf" } ], "eprint_id": 5164, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Thurston_dt_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "Thurston_dt_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24672" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24672" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24672" } ] } }, { "id": "/id/document/24672", "doc_id": 24672, "rev_number": 2, "files": [ { "id": "/id/file/50321", "fileid": 50321, "datasetid": "document", "objectid": 24672, "filename": "preview.png", "mime_type": "image/png", "hash": "be593e434590c5fb87adec6fb4c519ee", "hash_type": "MD5", "filesize": 11045, "mtime": "2012-12-26 03:15:27", "url": "/5164/2/preview.png" } ], "eprint_id": 5164, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8169" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8169" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8169" } ] } }, { "id": "/id/document/124843", "doc_id": 124843, "rev_number": 1, "files": [ { "id": "/id/file/370273", "fileid": 370273, "datasetid": "document", "objectid": 124843, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "b13a884bb387e9fd9d26e80506c2829f", "hash_type": "MD5", "filesize": 22012, "mtime": "2021-06-23 23:56:21", "url": "/5164/3/indexcodes.txt" } ], "eprint_id": 5164, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8169" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8169" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8169" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/64", "datestamp": "2005-12-29", "lastmod": "2023-10-17 16:43:36", "status_changed": "2009-09-25 03:34:44", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Thurston-Dick-Wright", "name": { "family": "Thurston", "given": "Dick Wright" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Flame Spreading from Bluff Body Flameholders", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Flame spreading from 1/16 to l inch circular cylinder flame holders in two-dimensional flow was studied experimentally. Combustion wake widths were determined by use of spark Schlieren photographs at distances up to 36 inches downstream of the flame-holder in a 3 by 6 inch duct. The effect on wake width and flow parameters of several geometric and operating variables was observed.\r\n\r\nThe data show that above a critical approach gas velocity, corresponding to the transition from laminar to turbulent flow in the flame front, the wake width was independent of velocity and remained constant. Below the critical velocity the wake width was a strong function of velocity. Small but real effects were found on changing fuel-air ratios. The wake width was smallest and the wake spreading rate lowest at the stoichiometric fuel-air ratio. An eight to one variation in flameholder diameter resulted in only a 30 per cent variation in wake width at a distance of one duct height downstream. Farther downstream the variation was even less. Total and static pressure measurements showed that combustion processes fix the total pressure wake and that the losses associated with flameholder drag were not important in fixing the wake spreading rate.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-12292005-133229", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12292005-133229", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/BR8E-T735", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-29", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Thurston, Dick Wright" }, { "id": "/id/eprint/317", "eprint_id": 317, "rev_number": 23, "documents": [ { "id": "/id/document/469", "doc_id": 469, "rev_number": 2, "files": [ { "id": "/id/file/3003", "fileid": 3003, "datasetid": "document", "objectid": 469, "filename": "Nicholson_kf_1958.pdf", "mime_type": "application/pdf", "filesize": 14327117, "mtime": "2012-12-26 02:28:51", "url": "/317/1/Nicholson_kf_1958.pdf" } ], "eprint_id": 317, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Nicholson_kf_1958.pdf", "language": "en", "security": "public", "license": "other", "main": "Nicholson_kf_1958.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": 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Abstract is included in .pdf document.\r\n\r\nPressure distributions were measured on a series of four delta wings with subsonic and supersonic leading edges, both sharp and blunt. The blunt leading edge radius was about 0.5 per cent of root chord. Schlieren studies were also made to determine top and side view shock locations. The tests were conducted at a nominal Mach number of 5.8, and at Reynolds numbers between 0.335 x 10(6) and 0.901 x 10(6) based on root chord. Angular settings covered a range [...] in pitch at zero yaw (about [...]), and a range of v/V = +/- 0.125 (about +/- 7.2\u00b0) at a fixed angle of pitch of 11.5\u00b0.\r\n\r\nThe effects of bluntness were found to be small. Also, the pressures produced by shock wave interactions with the boundary layer, and the inviscid pressures generated by the blunt leading edges, were found to be small compared with the inviscid pressures producing lift on the basic wing. Spanwise pressure distributions show no similarity to those obtained by linearized theory. Centerline lower surface pressure in pitch at zero yaw is bracketed between the Newtonian value [...] and the two-dimensional exact value.", "date": "1958", "date_type": "degree", "id_number": "CaltechETD:etd-01242006-094259", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01242006-094259", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-01-27", "doi": "10.7907/ZSFZ-MN41", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-01-24", "thesis_defense_date": "1958-01-01", "thesis_approved_date": "2006-01-27", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1958", "author_list": "Nicholson, Kenneth F." }, { "id": "/id/eprint/3149", "eprint_id": 3149, "rev_number": 9, "documents": [ { "id": "/id/document/5596", "doc_id": 5596, "rev_number": 2, "files": [ { "id": "/id/file/33064", "fileid": 33064, "datasetid": "document", "objectid": 5596, "filename": "Savage_ga_1957.pdf", "mime_type": "application/pdf", "filesize": 1839645, "mtime": "2012-12-26 02:57:29", "url": "/3149/1/Savage_ga_1957.pdf" } ], "eprint_id": 3149, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Savage_ga_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Savage_ga_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22139" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22139" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22139" } ] } }, { "id": "/id/document/22139", "doc_id": 22139, "rev_number": 2, "files": [ { "id": "/id/file/33062", "fileid": 33062, "datasetid": "document", "objectid": 22139, "filename": "preview.png", "mime_type": "image/png", "hash": "7e840b8955ba01089c68dc3e7d334127", "hash_type": "MD5", "filesize": 9569, "mtime": "2012-12-26 02:57:29", "url": "/3149/2/preview.png" } ], "eprint_id": 3149, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5596" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5596" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5596" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/31/49", "datestamp": "2004-08-18", "lastmod": "2023-10-12 21:32:50", "status_changed": "2009-09-25 02:52:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Savage-Glenn-Allen", "name": { "family": "Savage", "given": "Glenn Allen" }, "show_email": "NO" } ] }, "title": "An Analytical Investigation of the Ducted Propeller for Hydrodynamic Propulsion", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An analytical investigation was carried out to determine the design conditions, for a ducted propeller unit operating in water, providing optimum suppression of cavitation when the forward speed, depth and body drag are given. The selection charts were constructed in detail for propellers using the NACA 65 series blades. The results indicate the pumps of generally higher flow rates are more desirable than those that have been employed in the few units actually constructed.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-08172004-094413", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08172004-094413", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-08-18", "doi": "10.7907/EBDR-SN58", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-08-17", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-08-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Savage, Glenn Allen" }, { "id": "/id/eprint/134", "eprint_id": 134, "rev_number": 10, "documents": [ { "id": "/id/document/205", "doc_id": 205, "rev_number": 2, "files": [ { "id": "/id/file/1300", "fileid": 1300, "datasetid": "document", "objectid": 205, "filename": "Carpenter_sh_1957.pdf", "mime_type": "application/pdf", "filesize": 3538414, "mtime": "2012-12-26 02:27:31", "url": "/134/1/Carpenter_sh_1957.pdf" } ], "eprint_id": 134, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Carpenter_sh_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Carpenter_sh_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17030" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17030" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17030" } ] } }, { "id": "/id/document/17030", "doc_id": 17030, "rev_number": 2, "files": [ { "id": "/id/file/1298", "fileid": 1298, "datasetid": "document", "objectid": 17030, "filename": "preview.png", "mime_type": "image/png", "hash": "802176a11c8fe6704777dd27d3a15865", "hash_type": "MD5", "filesize": 11484, "mtime": "2012-12-26 02:27:31", "url": "/134/2/preview.png" } ], "eprint_id": 134, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/205" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/205" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/205" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/34", "datestamp": "2004-01-12", "lastmod": "2023-10-13 18:55:52", "status_changed": "2009-09-25 01:29:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Carpenter-Stanley-Hammack", "name": { "family": "Carpenter", "given": "Stanley Hammack" }, "show_email": "NO" } ] }, "title": "Performance of Cavitating Axial Inducers with Varying Tip Clearance and Solidity", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The performance of a helical axial inducer pump was investigated in non-cavitating and heavily cavitating regimes over a wide range of tip clearance and solidity. It was found that cavity length is related to the occurrence of two cavitation phenomena: a non-steady or oscillating form of cavitation occurs when the cavity length is nearly equal to the spacing between the impeller blades, and complete pump failure is imminent if the cavity is nearly as long as the blade chord. The extent of the oscillating cavitation regime was little affected by the variation of tip clearance or solidity in the range investigated. However, an increase in tip clearance or a decrease in solidity definitely impairs cavitation performance at low inlet pressures. On the basis of these experiments a cavitation number limit is proposed for safe inducer operation.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-01122004-115641", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01122004-115641", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-12", "doi": "10.7907/35Z3-YN17", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "email": "allan@caltech.edu", "id": "Acosta-A-J", "name": { "family": "Acosta", "given": "Allan J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-12", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Carpenter, Stanley Hammack" }, { "id": "/id/eprint/3150", "eprint_id": 3150, "rev_number": 9, "documents": [ { "id": "/id/document/5597", "doc_id": 5597, "rev_number": 2, "files": [ { "id": "/id/file/33071", "fileid": 33071, "datasetid": "document", "objectid": 5597, "filename": "Richards.jr_hk_1957.pdf", "mime_type": "application/pdf", "filesize": 2238870, "mtime": "2012-12-26 02:57:29", "url": "/3150/1/Richards.jr_hk_1957.pdf" } ], "eprint_id": 3150, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Richards.jr_hk_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Richards.jr_hk_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22140" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22140" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22140" } ] } }, { "id": "/id/document/22140", "doc_id": 22140, "rev_number": 2, "files": [ { "id": "/id/file/33069", "fileid": 33069, "datasetid": "document", "objectid": 22140, "filename": "preview.png", "mime_type": "image/png", "hash": "2f82888371f4975ed74b171db5c18754", "hash_type": "MD5", "filesize": 10643, "mtime": "2012-12-26 02:57:29", "url": "/3150/2/preview.png" } ], "eprint_id": 3150, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5597" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5597" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5597" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/31/50", "datestamp": "2004-08-18", "lastmod": "2023-10-13 19:52:57", "status_changed": "2009-09-25 02:52:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Richards-Homer-Keener", "name": { "family": "Richards", "given": "Homer Keener" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Heat Transfer Rates on a Blunt Body in Hypersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "An experimental investigation was made in the GALCIT hypersonic wind tunnel, leg number 1, at a nominal Mach number of 5.8 to determine the heat transfer rate and temperature distributions on a water-cooled, ellipsoid-cone at angles of yaw of 0, 4 and 8 degrees, respectively. The Reynolds number per inch based on free stream conditions was [...].\r\n\r\nThe experimental means employed was a steady-state technique developed by Mr. F. W. Hartwig at GALCIT during the past several years. This technique utilizes a heat transducer or heat meter of very small size. The primary advantage of this method is that it obviates the necessity of correcting for axial temperature gradients in the model.\r\n\r\nSurface pressure distributions were also studied on a model of identical geometry for angles of yaw of 0, 4, 8 and 12 degrees, respectively. The primary interest here was to obtain data necessary for the theoretical calculation of the heat transfer rate distributions using laminar flow theory.\r\n\r\nThe investigation showed that the heat meters were very reliable. The data obtained from independent wind tunnel runs were repeatable within [plus or minus] 1.5 per cent. It was found that the local heat transfer rate and the local pressure coefficient vary linearly with angle of yaw. The agreement of the experimentally determined stagnation heat transfer rate and the theoretically calculated one was good. Further refinement of the calibration technique appears to be the logical direction of effort for subsequent investigators.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-08172004-095231", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08172004-095231", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-08-18", "doi": "10.7907/C7F5-2G95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-08-17", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-08-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Richards, Homer Keener" }, { "id": "/id/eprint/1238", "eprint_id": 1238, "rev_number": 9, "documents": [ { "id": "/id/document/1876", "doc_id": 1876, "rev_number": 2, "files": [ { "id": "/id/file/11760", "fileid": 11760, "datasetid": "document", "objectid": 1876, "filename": "Harney_dj_1957.pdf", "mime_type": "application/pdf", "filesize": 2700501, "mtime": "2012-12-26 02:36:33", "url": "/1238/1/Harney_dj_1957.pdf" } ], "eprint_id": 1238, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Harney_dj_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Harney_dj_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18656" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18656" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18656" } ] } }, { "id": "/id/document/18656", "doc_id": 18656, "rev_number": 2, "files": [ { "id": "/id/file/11758", "fileid": 11758, "datasetid": "document", "objectid": 18656, "filename": "preview.png", "mime_type": "image/png", "hash": "c7cdc621f54e6d9e572a38d2980e125b", "hash_type": "MD5", "filesize": 10142, "mtime": "2012-12-26 02:36:32", "url": "/1238/2/preview.png" } ], "eprint_id": 1238, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1876" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1876" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1876" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/38", "datestamp": "2004-04-02", "lastmod": "2023-08-15 22:30:27", "status_changed": "2009-09-25 01:58:49", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Harney-Donald-James", "name": { "family": "Harney", "given": "Donald James" }, "show_email": "NO" } ] }, "title": "An Aerodynamic Study of the \"Electric Wind\"", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The basic physical process considered is the appearance of a pressure gradient in a slightly ionized gas under the influence of an electric field. On a molecular scale this process involves the acceleration of ions in an electric field and the transfer of momentum to the main body of the fluid through collisions.\r\n\r\nA particular phenomenon involving this basic process is the pressure gradient in a point corona discharge and the resulting \"electric wind\". The experimental arrangement studied is a point to a downstream coaxial cylinder discharge in air.\r\n\r\nThe difficulity of applying boundary conditions to the mathematical description of the process requires some simplifying assumptions. A simple one-dimensional model of the physical situation is considered, the electrical field equations being approached from the consideration of a space charge limited current. The functional relations derived appear consistent with the experimental results for the limiting cases implied by the assumptions.\r\n\r\nVelocity variations encountered in the induced flow of air present questions regarding the bulk parameter which describes the molecular interchange of momentum, the ion mobility. While this experiment was not for the purpose of measuring ion mobilities, it is believed that in any applications involving the basic process in the working fluid of the aerodynamicist the time, density, temperature and humidity dependence of the ion mobility requires data which is not now available.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-04012004-134019", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04012004-134019", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-04-02", "doi": "10.7907/Z774-ZM53", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Coles-D-E", "name": { "family": "Coles", "given": "Donald Earl" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-04-01", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-04-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Harney, Donald James" }, { "id": "/id/eprint/3024", "eprint_id": 3024, "rev_number": 9, "documents": [ { "id": "/id/document/5421", "doc_id": 5421, "rev_number": 2, "files": [ { "id": "/id/file/31921", "fileid": 31921, "datasetid": "document", "objectid": 5421, "filename": "Wisenbaker_em_1957.pdf", "mime_type": "application/pdf", "filesize": 8240007, "mtime": "2012-12-26 02:56:20", "url": "/3024/1/Wisenbaker_em_1957.pdf" } ], "eprint_id": 3024, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wisenbaker_em_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Wisenbaker_em_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21965" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21965" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21965" } ] } }, { "id": "/id/document/21965", "doc_id": 21965, "rev_number": 2, "files": [ { "id": "/id/file/31919", "fileid": 31919, "datasetid": "document", "objectid": 21965, "filename": "preview.png", "mime_type": "image/png", "hash": "6ad9d212d1f165c4d0498806bf8a356d", "hash_type": "MD5", "filesize": 9155, "mtime": "2012-12-26 02:56:20", "url": "/3024/2/preview.png" } ], "eprint_id": 3024, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5421" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5421" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5421" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/30/24", "datestamp": "2004-08-09", "lastmod": "2023-10-12 21:55:47", "status_changed": "2009-09-25 02:49:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wisenbaker-Eugene-Morgan", "name": { "family": "Wisenbaker", "given": "Eugene Morgan" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Flow over Simple Blunt Bodies at Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nShock stand-off distances and shock shapes were measured and/or observed for a series of 14 blunt-nosed bodies at a Mach number of 5. 8 and Reynolds number per inch of [...]. Nine of these bodies had hemisphere-segment noses designed to include the entire range of possible nose radii of curvature from flat-faced to hemispherical. Two models characterized by sharp shoulders and concave hemisphere-segment noses were also tested. Three additional models representing the round-shouldered, flat-faced type completed the set of 14. All models had cylindrical afterbodies 1.50 inches in diameter, and were yawed at angles of 0, 4, and 8 degrees.\r\n\r\nStand-off distances are compared to the theoretical predictions of Hayes, Frobstein, and Heybey where applicable, and shock shape is compared to that given by Hayes for the body with infinite nose radius of curvature. Results of the stand-off distance comparisons varied from under prediction by a factor of two to over prediction by the same amount. Hayes' shock shape approximated that actually observed very closely. It was generally found that body shape in the sonic region greatly influenced the shock shape and stand-off distance.\r\n\r\nStatic pressure distributions were measured on three representative bodies selected as follows: (1) a hemisphere-segment body having a ratio of nose radius to base diameter of 1.30 and falling in the middle of the range from hemisphere to flat-nosed; (2) a flat-faced body with sharp shoulder; and (3) a flat-faced body with a rounded shoulder of 5/16 inch radius. Pressures very close to stagnation values generally were found to be present over a large area of the nose in the case of the flat-faced body. Rounding of the shoulder tended to reduce values of [...] below those observed at corresponding points on the completely flat-faced body, except in the region near the body axis The pressure distributions are compared where applicable with the modified Newtonian approximation and with Probstein's approximation to [...] for zero angle of yaw. Agreement with the modified Newtonian values was generally good near the axis, but deteriorated rapidly in the shoulder regions, except in the case of the rounded shoulder body.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-08062004-154112", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08062004-154112", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-08-09", "doi": "10.7907/0KC4-4827", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-08-06", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-08-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Wisenbaker, Eugene Morgan" }, { "id": "/id/eprint/2893", "eprint_id": 2893, "rev_number": 12, "documents": [ { "id": "/id/document/5248", "doc_id": 5248, "rev_number": 2, "files": [ { "id": "/id/file/30749", "fileid": 30749, "datasetid": "document", "objectid": 5248, "filename": "Oliver_re_1957.pdf", "mime_type": "application/pdf", "filesize": 5209127, "mtime": "2012-12-26 02:55:16", "url": "/2893/1/Oliver_re_1957.pdf" } ], "eprint_id": 2893, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Oliver_re_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Oliver_re_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21797" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21797" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21797" } ] } }, { "id": "/id/document/21797", "doc_id": 21797, "rev_number": 2, "files": [ { "id": "/id/file/30747", "fileid": 30747, "datasetid": "document", "objectid": 21797, "filename": "preview.png", "mime_type": "image/png", "hash": "6ca350dc1fb4637827d36cacbd0ec84e", "hash_type": "MD5", "filesize": 11324, "mtime": "2012-12-26 02:55:16", "url": "/2893/2/preview.png" } ], "eprint_id": 2893, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5248" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5248" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5248" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/93", "datestamp": "2004-07-16", "lastmod": "2023-10-12 18:09:46", "status_changed": "2009-09-25 02:46:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Oliver-Robert-Earl", "name": { "family": "Oliver", "given": "Robert Earl" }, "show_email": "NO" } ] }, "title": "Part I. The Effect of a Simple Throat Distortion on the Downstream Flow in a Hypersonic Wind Tunnel Nozzle. Part II. An Experimental Investigation of Flow over Simple Blunt Bodies at a Nominal Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nPART ONE\r\n\r\nAn experimental investigation was conducted in the GALCIT 2 1/2 inch Supersonic Wind Tunnel to determine the effect of a known distortion of the throat section of a hypersonic nozzle on the flow in the region downstream from the throat. The flow in a nozzle with a rectangular throat section was compared with the flow in the same nozzle with the throat region distorted to produce a throat height which varied linearly across the throat section. The flow was investigated by means of Pitot pressure surveys in the horizontal plane of symmetry of the undistorted nozzle.\r\n\r\nThe magnitude of the effect produced by the throat distortion was observed to be approximately that predicted by one-dimensional isentropic flow relations. However, the sign of the effect was reversed in about the distance required for a curved Mach line starting at the throat to cross the channel.\r\n\r\nPART TWO\r\n\t\t\t\t\t\r\nAn experimental investigation was conducted in Leg No. 1 of the GALCIT Hypersonic Wind Tunnel to determine flow characteristics for a series of blunt bodies at a nominal Mach number of 5.80 and free stream Reynolds numbers per inch of [...], [...] and [...]. The scope of this investigation was to determine surface static pressure distributions and to obtain schlieren photographs showing the shock configurations. The seven bodies investigated were as follows: (1) 40[degree] half-angle cone; (2) 40[degree] half-angle cone with spherical nose; (3) hemisphere-cylinder; (4) cylinder transverse to the free stream flow; (5) flatnosed cylinder with its major axis parallel to the free stream flow direction; (6) 10[degree]-40[degree] half-angle double cone; and (7) 13[degree]-30[degree] half-angle double cone. All tests were conducted in one-phase flow with a tunnel stagnation temperature of 225[degrees]F and with models at zero angles of attack and yaw.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-07152004-105812", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07152004-105812", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-07-16", "doi": "10.7907/462P-XC43", "alt_title": { "items": [ "Effect of a Simple Throat Distortion on the Downstream Flow in a Hypersonic Wind Tunnel Nozzle", "Experimental Investigation of Flow over Simple Blunt Bodies at a Nominal Mach Number of 5.8" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-07-15", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-07-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Oliver, Robert Earl" }, { "id": "/id/eprint/2833", "eprint_id": 2833, "rev_number": 10, "documents": [ { "id": "/id/document/5181", "doc_id": 5181, "rev_number": 2, "files": [ { "id": "/id/file/30295", "fileid": 30295, "datasetid": "document", "objectid": 5181, "filename": "Fraasa_dc_1957.pdf", "mime_type": "application/pdf", "filesize": 7624234, "mtime": "2012-12-26 02:54:50", "url": "/2833/1/Fraasa_dc_1957.pdf" } ], "eprint_id": 2833, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Fraasa_dc_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Fraasa_dc_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21730" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21730" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21730" } ] } }, { "id": "/id/document/21730", "doc_id": 21730, "rev_number": 2, "files": [ { "id": "/id/file/30293", "fileid": 30293, "datasetid": "document", "objectid": 21730, "filename": "preview.png", "mime_type": "image/png", "hash": "9d44edd81363c9724d454061d1471c9c", "hash_type": "MD5", "filesize": 10783, "mtime": "2012-12-26 02:54:50", "url": "/2833/2/preview.png" } ], "eprint_id": 2833, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5181" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5181" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5181" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/33", "datestamp": "2004-07-13", "lastmod": "2023-10-09 22:06:42", "status_changed": "2009-09-25 02:45:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fraasa-Donald-Gordon", "name": { "family": "Fraasa", "given": "Donald Gordon" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Hypersonic Flow over Blunt-Nosed Bodies at a Mach Number 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn experimental investigation to obtain schlieren photographs of the flow over several blunt-nosed bodies and to determine the surface static pressure distribution on certain of these models was conducted in the GALCIT hypersonic wind tunnel, leg no. 1, at a nominal Mach number of 5.8 and a free stream Reynolds number per inch of 2.22 x 10[...].\r\n\r\nSchlieren photographs were made of the following blunt-nosed models, all with cylindrical afterbodies, at angles of yaw of 0, 4, and 8 degrees: a family of nine round-nosed bodies with nose radii of curvature varying from the radius of the afterbody cylinder (hemispherical nose) to infinity (flat nose), two concave-nosed bodies having nose radii of curvature equal to 0.8 and 1.6 times the afterbody diameter, and three flat-nosed cylinders with rounded shoulders whose radii of curvature were .083, .125, and .208 times the afterbody diameter.\r\n\r\nStatic pressure distributions at angles of yaw of 0, 4, and 8 degrees were determined for three of the blunt bodies: (1) the flatnosed cylinder with infinite nose radius of curvature, (2) the flatnosed cylinder with a rounded shoulder of radius equal to .208 of the afterbody diameter, and (3) a round-nosed cylinder with nose radius of curvature equal to 1.3 times the afterbody diameter.\r\n\r\nThe schlieren photographs were analyzed on a contour projector to measure shock standoff distances, to determine the sonic point on the shock, and to observe shock shape. Data derived from these studies and the pressure distributions are presented in graphical form. Comparisons are made between the experimental results and appropriate theoretical approximations for hypersonic flow.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-07082004-144120", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07082004-144120", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-07-13", "doi": "10.7907/G6D1-N841", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-07-08", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-07-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Fraasa, Donald Gordon" }, { "id": "/id/eprint/2832", "eprint_id": 2832, "rev_number": 15, "documents": [ { "id": "/id/document/5180", "doc_id": 5180, "rev_number": 2, "files": [ { "id": "/id/file/30288", "fileid": 30288, "datasetid": "document", "objectid": 5180, "filename": "Cummings_be_1957.pdf", "mime_type": "application/pdf", "filesize": 948152, "mtime": "2012-12-26 02:54:50", "url": "/2832/1/Cummings_be_1957.pdf" } ], "eprint_id": 2832, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cummings_be_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Cummings_be_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21729" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21729" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21729" } ] } }, { "id": "/id/document/21729", "doc_id": 21729, "rev_number": 2, "files": [ { "id": "/id/file/30286", "fileid": 30286, "datasetid": "document", "objectid": 21729, "filename": "preview.png", "mime_type": "image/png", "hash": "8ddcab5861e92c5d08efbb9029cc8d8e", "hash_type": "MD5", "filesize": 9186, "mtime": "2012-12-26 02:54:49", "url": "/2832/2/preview.png" } ], "eprint_id": 2832, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5180" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5180" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5180" } ] } }, { "id": "/id/document/45879", "doc_id": 45879, "rev_number": 3, "files": [ { "id": "/id/file/134464", "fileid": 134464, "datasetid": "document", "objectid": 45879, "filename": "Cummings Thesis Permission Form.txt", "mime_type": "message/rfc822\\0117bit", "hash": "095c656be137b2cd6cc8e4f051acbf0d", "hash_type": "MD5", "filesize": 783, "mtime": "2014-02-11 00:12:25", "url": "/2832/3/Cummings Thesis Permission Form.txt" } ], "eprint_id": 2832, "pos": 3, "placement": 3, "mime_type": "message/rfc822\\0117bit", "format": "text/plain", "format_desc": "author ok feb 2014", "language": "en", "security": "internal", "license": "other", "main": "Cummings Thesis Permission Form.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "release" } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/28/32", "datestamp": "2004-07-13", "lastmod": "2023-08-15 20:57:29", "status_changed": "2009-09-25 02:45:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "bigben167@zoominternet.net", "id": "Cummings-Benjamin-Edgar", "name": { "family": "Cummings", "given": "Benjamin Edgar" }, "show_email": "YES" } ] }, "title": "Supersonic Flutter of a Plate Containing Many Bays in the Spanwise Direction", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A special problem of panel flutter is considered by the method of Galerkin. The solution to the supersonic, non-steady potential equation is obtained by the approach of Garrick and Rubinow. Plate equations of motion are obtained by use of the Lagrange equations. Numerical solutions to the flutter determinant are presented for two cases.\r\n", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-07082004-143419", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07082004-143419", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-07-13", "doi": "10.7907/M4GA-0651", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-07-08", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-07-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Cummings, Benjamin Edgar" }, { "id": "/id/eprint/2769", "eprint_id": 2769, "rev_number": 9, "documents": [ { "id": "/id/document/5087", "doc_id": 5087, "rev_number": 2, "files": [ { "id": "/id/file/29705", "fileid": 29705, "datasetid": "document", "objectid": 5087, "filename": "Gloria_rm_1957.pdf", "mime_type": "application/pdf", "filesize": 1953920, "mtime": "2012-12-26 02:54:15", "url": "/2769/1/Gloria_rm_1957.pdf" } ], "eprint_id": 2769, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gloria_rm_1957.pdf", "language": "en", "security": "public", "license": "other", "main": "Gloria_rm_1957.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21639" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21639" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21639" } ] } }, { "id": "/id/document/21639", "doc_id": 21639, "rev_number": 2, "files": [ { "id": "/id/file/29703", "fileid": 29703, "datasetid": "document", "objectid": 21639, "filename": "preview.png", "mime_type": "image/png", "hash": "6c5081132968687768bf3b919f61e86d", "hash_type": "MD5", "filesize": 7891, "mtime": "2012-12-26 02:54:15", "url": "/2769/2/preview.png" } ], "eprint_id": 2769, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5087" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5087" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5087" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/27/69", "datestamp": "2004-06-30", "lastmod": "2023-08-15 21:08:50", "status_changed": "2009-09-25 02:44:31", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gloria-Ruben-M", "name": { "family": "Gloria", "given": "Ruben M." }, "show_email": "NO" } ] }, "title": "The Failure of Pressurized Thin-Walled Cylinders", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe object of this research was to find significant parameters in the failure of thinwalled internally pressurized cylinders. The following tests were made: (a) original crack length variation; (b) crack angle variation; (c) variation of velocity of penetration and (d) shape of a penetrating object; (e) cycling of internal pressure; and (f) change of loading media. The corresponding results were as follows: 2 (a) the crack length parameter [...] was found to bear importantly on the failing pressure of prepunctured cylinders; (b) an increase in failing pressure was achieved by changing the crack angle, originally parallel to the cylinder axis, to a perpendicular position; (c) explosive pressure level increased with decreased projectile velocity; (d) nondimensional explosive level increased with increased projectile sharpness, cylinder thickness and diameter; (e) pressure cycling tests revealed relatively fast crack growth during the first part of the life, followed by stabilization, and suceeded by another fast growth and failure; (f) a change from air to water as loading media made no effect on the static failing pressure of prepunctured cylinders.\r\n\r\nThe following tests are recommended: (a) determination of a parameter more generalized than [...] involving cylinder length; (b) more crack angle tests to obtain a family of [...] curves for various crack lengths from which effective crack lengths may be obtained; (c) explosive level runs using higher velocity and true conical projectiles; (d) pressure cycling tests to find the effect of cycling stress level on crack propagation; and (e) crack propagation by vibration, using different loading media.", "date": "1957", "date_type": "degree", "id_number": "CaltechETD:etd-06292004-150847", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06292004-150847", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-06-30", "doi": "10.7907/VQNF-4J52", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-06-29", "thesis_defense_date": "1957-01-01", "thesis_approved_date": "2004-06-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1957", "author_list": "Gloria, Ruben M." }, { "id": "/id/eprint/2621", "eprint_id": 2621, "rev_number": 9, "documents": [ { "id": "/id/document/4912", "doc_id": 4912, "rev_number": 2, "files": [ { "id": "/id/file/28470", "fileid": 28470, "datasetid": "document", "objectid": 4912, "filename": "Nawoj_hj_1956.pdf", "mime_type": "application/pdf", "filesize": 12534052, "mtime": "2012-12-26 02:53:09", "url": "/2621/1/Nawoj_hj_1956.pdf" } ], "eprint_id": 2621, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Nawoj_hj_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Nawoj_hj_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21462" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21462" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21462" } ] } }, { "id": "/id/document/21462", "doc_id": 21462, "rev_number": 2, "files": [ { "id": "/id/file/28468", "fileid": 28468, "datasetid": "document", "objectid": 21462, "filename": "preview.png", "mime_type": "image/png", "hash": "e35ab7917ca73a6cccf22a7b2e7359a0", "hash_type": "MD5", "filesize": 9344, "mtime": "2012-12-26 02:53:08", "url": "/2621/2/preview.png" } ], "eprint_id": 2621, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4912" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4912" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4912" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/26/21", "datestamp": "2004-06-17", "lastmod": "2023-07-13 23:25:58", "status_changed": "2009-09-25 02:41:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Nawoj-Henry-John", "name": { "family": "Nawoj", "given": "Henry John" }, "show_email": "NO" } ] }, "title": "Cavitation Studies in Axial Inducers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Cavitation development was investigated in axial inducers from inception to impeller breakdown using the conventional hydraulic parameters and direct visual observation. Five distinct regimes of cavitation development were observed, and the noise and vibration associated with cavitating pumps was found to occur principally in only one regime of cavitation development. Cavitation in a highly cavitating inducer was found to be adequately modeled using the cavitation similarity number introduced by Prandtl. A simple model is presented for impeller breakdown and experimental data indicate that the general requirements for impeller breakdown given by the model are exhibited in the experimental impellers. A modification to the cavitation number is suggested to accommodate the effusion of dissolved gases from the working fluid into the cavities.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-06162004-153833", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06162004-153833", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-06-17", "doi": "10.7907/FJCF-EC97", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Acosta-A-J", "name": { "family": "Acosta", "given": "Allan J." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-06-16", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-06-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Nawoj, Henry John" }, { "id": "/id/eprint/2619", "eprint_id": 2619, "rev_number": 10, "documents": [ { "id": "/id/document/4910", "doc_id": 4910, "rev_number": 2, "files": [ { "id": "/id/file/28455", "fileid": 28455, "datasetid": "document", "objectid": 4910, "filename": "Munson_ag_1956.pdf", "mime_type": "application/pdf", "filesize": 1279983, "mtime": "2012-12-26 02:53:08", "url": "/2619/1/Munson_ag_1956.pdf" } ], "eprint_id": 2619, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Munson_ag_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Munson_ag_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21460" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21460" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21460" } ] } }, { "id": "/id/document/21460", "doc_id": 21460, "rev_number": 2, "files": [ { "id": "/id/file/28453", "fileid": 28453, "datasetid": "document", "objectid": 21460, "filename": "preview.png", "mime_type": "image/png", "hash": "28742891b37cdc7e00eafe2f16498f88", "hash_type": "MD5", "filesize": 11246, "mtime": "2012-12-26 02:53:08", "url": "/2619/2/preview.png" } ], "eprint_id": 2619, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4910" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4910" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4910" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/26/19", "datestamp": "2004-06-17", "lastmod": "2023-07-13 23:16:59", "status_changed": "2009-09-25 02:41:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Munson-Albert-Gallatin", "name": { "family": "Munson", "given": "Albert Gallatin" }, "show_email": "NO" } ] }, "title": "A Preliminary Experimental Investigation of the Flow over Simple Bodies of Revolution at M = 18.4 in Helium", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn experimental investigation was conducted in the GALCIT hypersonic blow-down tunnel to determine surface pressure distributions and shock wave shapes for a series of \"sharp\" nosed and slightly blunted bodies of revolution at a nominal Mach number of 18.5 and a free stream Reynolds number of 4.75 x 10[superscript 5] per inch. The four bodies investigated were as follows: (1) 15[degree] half-angle \"sharp\" cone; (2) 15[degree] half-angle spherically-blunt cone (bluntness ratio = .24); (3) 20[degree] half-angle \"sharp\" cone; and (4) 2/3 power body.\r\n\r\nThe pressure distributions on the \"sharp\" cones agreed well with the Taylor Maccoll theory. The pressure near the nose of the blunt cone was much higher than that predicted by the theory, as is expected, but decreases monotonically to a value lower than the theoretical value, indicating that the flow has over expanded. The measured shock wave shape for the 2/3 power body was found to be proportional to x[...], and the shock wave ordinates agree very closely with those predicted by Cole.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-06162004-141355", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06162004-141355", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-06-17", "doi": "10.7907/X3HZ-BN39", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-06-16", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-06-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Munson, Albert Gallatin" }, { "id": "/id/eprint/1135", "eprint_id": 1135, "rev_number": 14, "documents": [ { "id": "/id/document/73834", "doc_id": 73834, "rev_number": 2, "files": [ { "id": "/id/file/208190", "fileid": 208190, "datasetid": "document", "objectid": 73834, "filename": "Machell_rm_1956.pdf", "mime_type": "application/pdf", "hash": "d22426035a88daea9c4b1ec92679c4cf", "hash_type": "MD5", "filesize": 2817457, "mtime": "2016-08-24 18:06:52", "url": "/1135/3/Machell_rm_1956.pdf" } ], "eprint_id": 1135, "pos": 3, "placement": 3, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Machell_rm_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": 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"http://eprints.org/relation/isVersionOf", "uri": "/id/document/73834" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/73834" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/73834" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/35", "datestamp": "2004-03-26", "lastmod": "2023-07-13 22:20:47", "status_changed": "2009-09-25 01:55:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Machell-Reginald-Montague", "name": { "family": "Machell", "given": "Reginald Montague" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Hypersonic Flow over Blunt Nosed Cones at a Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Six spherical nosed cone static pressure models with cone semivertex angles of 10\u00b0, 20\u00b0, and 40\u00b0 were tested in the GALCIT 5 x 5 inch hypersonic wind tunnel at a Mach number of 5.8. The static pressure distributions obtained at yaw angles of 0\u00b0, 4\u00b0, and 8\u00b0 agreed very closely with the modified Newtonian approximation, Cp = Cpmax cos2\u03b7 on the spherical portions of the models, where \u03b7 is the angle between the normal to the body surface and the free stream direction. On the conical portions of the models the pressure distributions agreed reasonably well with the theoretical results for inviscid supersonic flow over cones as tabulated by Kopal. The significant parameter which influenced the deviations from the Newtonian and the Kopal predictions was the cone semivertex angle. The flow over the 40\u00b0 spherical nosed cone models overexpanded with respect to the Kopal pressure in the region of the spherical-conical juncture, after which the pressure returned rapidly to the Kopal value. For models with smaller cone angles the region of minimum pressure occurred farther back on the conical portion of the model, and the Kopal pressure was approached more gradually. The shape of the pressure distributions as described in nondimensional coordinates was independent of the radius of the spherical nose and of the Reynolds number over the range of Reynolds number per inch between . 97 x 105 and 2.38 x 105. Integrated results for the pressure foredrag of the models at zero yaw compared very closely with the predictions of the modified Newtonian approximation, except for models with large cone angles and small nose radii.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03262004-145512", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03262004-145512", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-26", "doi": "10.7907/SJ75-6W93", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-26", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Machell, Reginald Montague" }, { "id": "/id/eprint/2901", "eprint_id": 2901, "rev_number": 11, "documents": [ { "id": "/id/document/5257", "doc_id": 5257, "rev_number": 2, "files": [ { "id": "/id/file/30812", "fileid": 30812, "datasetid": "document", "objectid": 5257, "filename": "Vermilya_jj_1956.pdf", "mime_type": "application/pdf", "filesize": 958225, "mtime": "2012-12-26 02:55:19", "url": "/2901/1/Vermilya_jj_1956.pdf" } ], "eprint_id": 2901, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Vermilya_jj_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Vermilya_jj_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21806" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21806" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21806" } ] } }, { "id": "/id/document/21806", "doc_id": 21806, "rev_number": 2, "files": [ { "id": "/id/file/30810", "fileid": 30810, "datasetid": "document", "objectid": 21806, "filename": "preview.png", "mime_type": "image/png", "hash": "de6f4455f97bccf2d37ac8ee189340bd", "hash_type": "MD5", "filesize": 8364, "mtime": "2012-12-26 02:55:19", "url": "/2901/2/preview.png" } ], "eprint_id": 2901, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5257" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5257" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5257" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/29/01", "datestamp": "2004-07-20", "lastmod": "2023-08-09 18:35:12", "status_changed": "2009-09-25 02:46:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Vermilya-Jay-J", "name": { "family": "Vermilya", "given": "Jay J." }, "show_email": "NO" } ] }, "title": "Migration of Vacancies to Stress Centers", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The activation energy for motion of a vacancy in an edge dislocation width is considered by a modification of the method of Bartlett and Dienes. The results indicate an expected trend of motion toward the center of the width in the compressed half with a decreasing activation energy from edge to center. On the basis of the model used there is little tendency to form nonequilibrium vacancy doublets by this mechanism.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-07162004-114521", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-07162004-114521", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-07-20", "doi": "10.7907/J43D-4D95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Aroeste-H", "name": { "family": "Aroeste", "given": "Henry" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-07-16", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-07-20", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Vermilya, Jay J." }, { "id": "/id/eprint/1054", "eprint_id": 1054, "rev_number": 10, "documents": [ { "id": "/id/document/1618", "doc_id": 1618, "rev_number": 2, "files": [ { "id": "/id/file/10079", "fileid": 10079, "datasetid": "document", "objectid": 1618, "filename": "Foster_jr_1956.pdf", "mime_type": "application/pdf", "filesize": 5207625, "mtime": "2012-12-26 02:34:55", "url": "/1054/1/Foster_jr_1956.pdf" } ], "eprint_id": 1054, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Foster_jr_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Foster_jr_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18398" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18398" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18398" } ] } }, { "id": "/id/document/18398", "doc_id": 18398, "rev_number": 2, "files": [ { "id": "/id/file/10077", "fileid": 10077, "datasetid": "document", "objectid": 18398, "filename": "preview.png", "mime_type": "image/png", "hash": "116d9811165c16eb0d05c1ccfdefb590", "hash_type": "MD5", "filesize": 11111, "mtime": "2012-12-26 02:34:55", "url": "/1054/2/preview.png" } ], "eprint_id": 1054, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1618" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1618" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1618" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/54", "datestamp": "2004-03-23", "lastmod": "2023-07-13 17:41:40", "status_changed": "2009-09-25 01:53:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Foster-James-Roger", "name": { "family": "Foster", "given": "James Roger" }, "show_email": "NO" } ] }, "title": "Effects of Combustion Chamber Blockage on Bluff Body Flame Stabilization", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The necessity for stabilizing a flame in a high speed flow of combustible gas has led to extensive studies of the mechanism of flame stabilization by bluff bodies. As a result of these studies it has been found that the stability limits depend directly on a characteristic wake length and that under certain conditions this characteristic dimension depends on the square root of the flame holder scale.\r\n\r\nIn the present investigation the geometry of the flame in the stabilization region is examined by means of photographic and probing techniques. The results of the studies show conclusively that for a constant blockage ratio, the wake geometry scales linearly with flame holder size. The observed square root dependence of the characteristic wake length, and hence of the blowoff velocity is shown to be directly caused by blockage effects.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03222004-164002", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03222004-164002", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-23", "doi": "10.7907/T553-DA28", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-22", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Foster, James Roger" }, { "id": "/id/eprint/3165", "eprint_id": 3165, "rev_number": 9, "documents": [ { "id": "/id/document/5626", "doc_id": 5626, "rev_number": 3, "files": [ { "id": "/id/file/33242", "fileid": 33242, "datasetid": "document", "objectid": 5626, "filename": "Sibulkin_m_1956.pdf", "mime_type": "application/pdf", "filesize": 4400974, "mtime": "2012-12-26 02:57:39", "url": "/3165/1/Sibulkin_m_1956.pdf" } ], "eprint_id": 3165, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Sibulkin_m_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22169" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22169" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22169" } ] } }, { "id": "/id/document/22169", "doc_id": 22169, "rev_number": 2, "files": [ { "id": "/id/file/33240", "fileid": 33240, "datasetid": "document", "objectid": 22169, "filename": "preview.png", "mime_type": "image/png", "hash": "339a971fe1bcf9b3a00309d2c61021c3", "hash_type": "MD5", "filesize": 7383, "mtime": "2012-12-26 02:57:39", "url": "/3165/2/preview.png" } ], "eprint_id": 3165, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5626" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5626" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5626" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/31/65", "datestamp": "2006-08-18", "lastmod": "2023-08-09 17:41:36", "status_changed": "2009-09-25 02:53:01", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "email": "Merwin_Sibulkin@brown.edu", "id": "Sibulkin-Merwin", "name": { "family": "Sibulkin", "given": "Merwin" }, "show_email": "NO" } ] }, "title": "Boundary Layer Measurements at Supersonic Nozzle Throats", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Wall static pressure measurements and boundary layer pitot pressure surveys were made near the throat of a flexible wall supersonic wind-tunnel nozzle at three settings having throat radii of curvature from 33 to 59 inches. It is found that the longitudinal static pressure gradient at the nozzle throat calculated from one-dimensional flow theory agreed with the measured wall static pressure gradient.
\r\n\r\nThe boundary-layer velocity profiles at the nozzle throat are presented and discussed. The boundary layers were turbulent and 0.046 to 0.107 inch thick. It is found that the boundary-layer momentum thickness at the nozzle throat calculated using the momentum-integral-equation and several approximations agrees with the values determined from the measured boundary layer profiles. Finally, it is noted that in spite of the different static pressure gradients, the boundary-layer velocity profiles for the different nozzle settings are similar, and it is shown analytically that this similarity is to be expected.
", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-08182006-150720", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-08182006-150720", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-08-18", "doi": "10.7907/1JZK-HZ46", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-08-18", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2006-08-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Sibulkin, Merwin" }, { "id": "/id/eprint/993", "eprint_id": 993, "rev_number": 11, "documents": [ { "id": "/id/document/1543", "doc_id": 1543, "rev_number": 2, "files": [ { "id": "/id/file/9567", "fileid": 9567, "datasetid": "document", "objectid": 1543, "filename": "Berry_jw_1956.pdf", "mime_type": "application/pdf", "filesize": 2874428, "mtime": "2012-12-26 02:34:26", "url": "/993/1/Berry_jw_1956.pdf" } ], "eprint_id": 993, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Berry_jw_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Berry_jw_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18324" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18324" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18324" } ] } }, { "id": "/id/document/18324", "doc_id": 18324, "rev_number": 2, "files": [ { "id": "/id/file/9565", "fileid": 9565, "datasetid": "document", "objectid": 18324, "filename": "preview.png", "mime_type": "image/png", "hash": "3e0b4c6bd3d9a7e1206af52f9607e523", "hash_type": "MD5", "filesize": 10990, "mtime": "2012-12-26 02:34:26", "url": "/993/2/preview.png" } ], "eprint_id": 993, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1543" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1543" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1543" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/93", "datestamp": "2004-03-18", "lastmod": "2023-07-10 22:45:56", "status_changed": "2009-09-25 01:52:28", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Berry-John-Warren", "name": { "family": "Berry", "given": "John Warren" }, "show_email": "NO" } ] }, "title": "Fatigue of Aluminum as Affected by Temperature and Intermittent Periods of Rest", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This investigation was undertaken in an attempt to determine the behavior of high purity aluminum when subjected to fatigue stressing in rotary bending at various elevated temperatures, and also to study the effects on fatigue life when the material was given intermittent periods of rest. Two types of rest periods were given; 1) room temperature resting from fatigue cycling at elevated temperature, and 2) resting at higher temperature after stressing at ambient temperature. Because of the limited time available and the desire to apply statistical methods of analysis, testing was restricted to only a single stress level for each phase of the experiment.\r\n\r\nUp to the highest temperature tested (600[degrees]F), results for continuous stress cycling indicate a gradual reduction in fatigue life with temperature. Rest periods at room temperature contributed only negligible changes in fatigue life, but all tests with rest periods at elevated temperature disclosed a sizable increase. The increase in fatigue life was a maximum when resting was carried out at temperatures in the neighborhood of the recrystallization temperature. In addition, it is curious to note, that in the continuous cycling tests, scatter of results was a sharp minimum at recrystallization temperature.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03182004-143645", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03182004-143645", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-18", "doi": "10.7907/SNTV-ZX45", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Valluri-S-R", "name": { "family": "Valluri", "given": "S. R." }, "role": "advisor" }, { "id": "Wood-D-S", "name": { "family": "Wood", "given": "David Shotwell" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-18", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Berry, John Warren" }, { "id": "/id/eprint/992", "eprint_id": 992, "rev_number": 10, "documents": [ { "id": "/id/document/1542", "doc_id": 1542, "rev_number": 2, "files": [ { "id": "/id/file/9560", "fileid": 9560, "datasetid": "document", "objectid": 1542, "filename": "Bennett_en_1956.pdf", "mime_type": "application/pdf", "filesize": 4162850, "mtime": "2012-12-26 02:34:26", "url": "/992/1/Bennett_en_1956.pdf" } ], "eprint_id": 992, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bennett_en_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Bennett_en_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18323" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18323" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18323" } ] } }, { "id": "/id/document/18323", "doc_id": 18323, "rev_number": 2, "files": [ { "id": "/id/file/9558", "fileid": 9558, "datasetid": "document", "objectid": 18323, "filename": "preview.png", "mime_type": "image/png", "hash": "fd486685f8ff3a17bd7715e452367dfc", "hash_type": "MD5", "filesize": 9053, "mtime": "2012-12-26 02:34:26", "url": "/992/2/preview.png" } ], "eprint_id": 992, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1542" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1542" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1542" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/92", "datestamp": "2004-03-18", "lastmod": "2023-07-10 22:38:53", "status_changed": "2009-09-25 01:52:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bennett-Eugene-Newell", "name": { "family": "Bennett", "given": "Eugene Newell" }, "show_email": "NO" } ] }, "title": "Carbon Formation from Acetylene in the Shock Tube", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The use of the shock tube for the study of carbon formation from acetylene has been considered theoretically and studied experimentally.\r\n\r\nIn the calculations, the state of the gas is determined behind incident and reflected shocks for a wide range of shock strengths and for various excitation models of the internal degrees of freedom. A simple mechanism has been assumed for the thermal decomposition, namely the formation of solid carbon and hydrogen. Estimates are presented for the minimum times spent by the gas in a uniform state at the elevated temperatures behind reflected shocks.\r\n\r\nThe shock strengths required to initiate decomposition of acetylene at various pressures have been investigated experimentally. Temperature estimates and shock velocity measurements suggest that the effective specific heat ratio approaches the equilibrium value. Spectroscopic studies have been carried out to determine the light emitted in a narrow wave length region during chemical decomposition behind reflected shocks. The results show that the intensity distribution follows the black-body emission law. Therefore, a two-color method may be used in future studies for determining the temperature as a function of time behind carbon forming shocks.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03182004-142409", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03182004-142409", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-18", "doi": "10.7907/GB80-GE14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-18", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Bennett, Eugene Newell" }, { "id": "/id/eprint/991", "eprint_id": 991, "rev_number": 11, "documents": [ { "id": "/id/document/1541", "doc_id": 1541, "rev_number": 3, "files": [ { "id": "/id/file/9552", "fileid": 9552, "datasetid": "document", "objectid": 1541, "filename": "Ames,jr_le_1956.pdf", "mime_type": "application/pdf", "filesize": 3462890, "mtime": "2012-12-26 02:34:26", "url": "/991/1/Ames,jr_le_1956.pdf" } ], "eprint_id": 991, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Ames,jr_le_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18322" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18322" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18322" } ] } }, { "id": "/id/document/18322", "doc_id": 18322, "rev_number": 2, "files": [ { "id": "/id/file/9550", "fileid": 9550, "datasetid": "document", "objectid": 18322, "filename": "preview.png", "mime_type": "image/png", "hash": "b14e5b1329e06acde4e2f4b6f4d5e7bd", "hash_type": "MD5", "filesize": 10131, "mtime": "2012-12-26 02:34:26", "url": "/991/2/preview.png" } ], "eprint_id": 991, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1541" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1541" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1541" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/91", "datestamp": "2004-03-18", "lastmod": "2023-07-10 22:24:02", "status_changed": "2009-09-25 01:52:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ames-Lionel-Eugene", "name": { "family": "Ames", "given": "Lionel Eugene" }, "show_email": "NO" } ] }, "title": "Interference Effects Between Multiple Bluff Body Flameholders", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A general program was undertaken to determine the interference effects between multiple bluff body flameholders. The flameholders used for these experiments were 1/4 inch diameter water cooled cylinders tested in a 1 by 4 inch combustion chamber. Stability limits, flame geometry, and relative combustion efficiency were determined as functions of flameholder spacing and number.\r\n\r\nThe results of the tests showed that the maximum blowoff velocity decreased as the number of flameholders increased. This reduction was primarily due to the increase in the blockage ratio. In addition, a reduction in maximum blowoff velocity occurred when the flameholders were moved from the symmetrical arrangement in the duct.\r\n\r\nA combustion instability characterized by a loud, high frequency noise occurred over well defined ranges of fuel air ratio, gas velocity, and flameholder spacing.\r\n\r\nThe recirculation zone length and flame widths were primarily functions of blockage ratio, modified slightly by flameholder separation. No large scale interaction occurred between the wakes of adjacent flameholders. Combustion efficiency increased with the number of flameholders and was little affected by flameholder separation.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03182004-140703", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03182004-140703", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-18", "doi": "10.7907/JJVQ-3G91", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Zukoski-E-E", "name": { "family": "Zukoski", "given": "Edward E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-18", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Ames, Lionel Eugene" }, { "id": "/id/eprint/1108", "eprint_id": 1108, "rev_number": 11, "documents": [ { "id": "/id/document/1716", "doc_id": 1716, "rev_number": 2, "files": [ { "id": "/id/file/10669", "fileid": 10669, "datasetid": "document", "objectid": 1716, "filename": "Kanevsky_jn_1956.pdf", "mime_type": "application/pdf", "filesize": 2428342, "mtime": "2012-12-26 02:35:31", "url": "/1108/1/Kanevsky_jn_1956.pdf" } ], "eprint_id": 1108, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kanevsky_jn_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "Kanevsky_jn_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18496" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18496" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18496" } ] } }, { "id": "/id/document/18496", "doc_id": 18496, "rev_number": 2, "files": [ { "id": "/id/file/10667", "fileid": 10667, "datasetid": "document", "objectid": 18496, "filename": "preview.png", "mime_type": "image/png", "hash": "0ea6306cb68bf3b35758a23fa49592af", "hash_type": "MD5", "filesize": 12047, "mtime": "2012-12-26 02:35:31", "url": "/1108/2/preview.png" } ], "eprint_id": 1108, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1716" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1716" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1716" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/08", "datestamp": "2004-03-25", "lastmod": "2023-07-13 21:27:54", "status_changed": "2009-09-25 01:55:28", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kanevsky-Joseph-Norman", "name": { "family": "Kanevsky", "given": "Joseph Norman" }, "show_email": "NO" } ] }, "title": "I. Interference During Burning of Body-Centered Cubic Arrays of Nine Fuel Droplets in Air. II. Spray Formation and Evaporation", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "In order to gain some understanding of interference effects during the combustion and evaporation of fuel sprays, simple three-dimensional body-centered cubic arrays of nine n-heptane or nine methyl alcohol droplets burning in air have been studied. Different cube sizes were used to vary the amount of interference obtained during combustion of the droplets. Photographic studies of the center droplet in this nine-droplet array were made in order to determine the qualitative effects of droplet spacing on the evaporation constant (K') while combustion was in progress and to determine whether the mass rate of burning was proportional to the first power of droplet diameter for a three-dimensional array of droplets.\r\n\r\nExperimental results indicate that, when the droplets are in close proximity and the flames completely merged, the evaporation constant is reduced by 40 percent below the value obtained for minimum interference. A 25 percent increase in the evaporation constant over single-droplet values for K' was noted when the droplet spacing was altered to reduce local heat losses from the flame fronts. The results obtained from studies of the center droplet substantiate Probert's assumption (Ref. 38) that the square of droplet diameter decreases linearly with time.\r\n\r\nUnsuccessful attempts to study the combustion of liquid bipropellant mixtures and to examine the \"burning\" of red fuming nitric acid in an ammonia atmosphere are described.\r\n\r\nIn Part II, a general discussion of information available on the disintegration of liquid jets, spray characteristics, mean droplet size, droplet-size distribution, and spray evaporation is presented. The use of similarity considerations in analyzing spray-nozzle performance is demonstrated. Calculation of K' for a spray from experimental spray evaporation data is described and the results of these calculations tabulated.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-03252004-094228", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03252004-094228", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-03-25", "doi": "10.7907/JHWV-HB29", "alt_title": { "items": [ "Interference During Burning of Body-Centered Cubic Arrays of Nine Fuel Droplets in Air", "Spray Formation and Evaporation" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-03-25", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-03-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "Kanevsky, Joseph Norman" }, { "id": "/id/eprint/2636", "eprint_id": 2636, "rev_number": 9, "documents": [ { "id": "/id/document/4931", "doc_id": 4931, "rev_number": 2, "files": [ { "id": "/id/file/28595", "fileid": 28595, "datasetid": "document", "objectid": 4931, "filename": "OBryant_wt_1956.pdf", "mime_type": "application/pdf", "filesize": 5828131, "mtime": "2012-12-26 02:53:15", "url": "/2636/1/OBryant_wt_1956.pdf" } ], "eprint_id": 2636, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "OBryant_wt_1956.pdf", "language": "en", "security": "public", "license": "other", "main": "OBryant_wt_1956.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21481" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21481" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21481" } ] } }, { "id": "/id/document/21481", "doc_id": 21481, "rev_number": 2, "files": [ { "id": "/id/file/28593", "fileid": 28593, "datasetid": "document", "objectid": 21481, "filename": "preview.png", "mime_type": "image/png", "hash": "f548be49c3223db9ea2e626d10597007", "hash_type": "MD5", "filesize": 10927, "mtime": "2012-12-26 02:53:15", "url": "/2636/2/preview.png" } ], "eprint_id": 2636, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4931" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4931" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4931" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/26/36", "datestamp": "2004-06-21", "lastmod": "2023-07-13 23:37:35", "status_changed": "2009-09-25 02:42:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "O'Bryant-William-Theral", "name": { "family": "O'Bryant", "given": "William Theral" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Hypersonic Flow over Blunt Nosed Cones at a Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nShock shapes were observed and static pressures were measured on spherically-blunted cones at a nominal Mach number of 5.8 over a range of Reynolds numbers per inch from 97,000 to 238,000 for angles of yaw from 0[degrees] to 8[degrees]. Six combinations of the bluntness ratios 0.4, 0.8, and 1.064 with the cone half angles 10[degrees], 20[degrees], and 40[degrees] were used in determining the significant parameters governing pressure distribution.\r\n\r\nThe pressure distribution on the spherical nose for both yawed and unyawed bodies is predicted quite accurately by the modified Newtonian theory given by [...], where [...] is the angle between the normal to a surface element and the flow direction ahead of the bow shock. On the nose-cone junction and the conical afterbody, cone half angle was found to be the significant parameter in determining the length of the transition zone. For a cone half-angle of 40[degrees], a pressure minimum exists on the skirt immediately downstream of the nose-cone junction, but this pressure minimum is located far downstream when the half-angle is 20[degrees]. The tangent cone concept at angles of yaw is useful in predicting the downstream movement of the pressure minimum. Shock detachment distance between bow shock and body surface on the axis varies linearly with nose radius. Drag coefficients for bodies at zero yaw compare very closely with those obtained by integrating the modified Newtonian approximation, except at large half-angles and low bluntnesses where drag approaches that given by the Taylor-Maccoll theory for sharp cones.", "date": "1956", "date_type": "degree", "id_number": "CaltechETD:etd-06182004-111807", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06182004-111807", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-06-21", "doi": "10.7907/923A-XB12", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-06-18", "thesis_defense_date": "1956-01-01", "thesis_approved_date": "2004-06-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1956", "author_list": "O'Bryant, William Theral" }, { "id": "/id/eprint/5014", "eprint_id": 5014, "rev_number": 9, "documents": [ { "id": "/id/document/7936", "doc_id": 7936, "rev_number": 2, "files": [ { "id": "/id/file/48855", "fileid": 48855, "datasetid": "document", "objectid": 7936, "filename": "Howard_wm_1955.pdf", "mime_type": "application/pdf", "filesize": 1023192, "mtime": "2012-12-26 03:13:45", "url": "/5014/1/Howard_wm_1955.pdf" } ], "eprint_id": 5014, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Howard_wm_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Howard_wm_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24446" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24446" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24446" } ] } }, { "id": "/id/document/24446", "doc_id": 24446, "rev_number": 2, "files": [ { "id": "/id/file/48853", "fileid": 48853, "datasetid": "document", "objectid": 24446, "filename": "preview.png", "mime_type": "image/png", "hash": "36544c612b423415f806823a21654f52", "hash_type": "MD5", "filesize": 11386, "mtime": "2012-12-26 03:13:44", "url": "/5014/2/preview.png" } ], "eprint_id": 5014, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7936" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7936" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7936" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/14", "datestamp": "2004-01-09", "lastmod": "2023-06-29 21:42:33", "status_changed": "2009-09-25 03:30:46", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Howard-Weston-Morgan", "name": { "family": "Howard", "given": "Weston Morgan" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Pressure Gradients Due to Temperature Gradients in Small Diameter Tubes", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstraact is included in .pdf document.\r\n\r\nResults of an experimental investigation of pressure gradients due to axial temperature gradients in small diameter tubes are presented. The tests, which covered the region of Knudsen numbers (based on tube inside radius) of 0.01 to 6, indicate good correlation with theory.\r\n\r\nIt is of value to note that this correlation was obtained by using [Delta]T equal to the temperature difference between the hot and cold ends of the tubes and T[subscript ave] equal to the average of these two temperatures. In contrast, theory would dictate obtaining the temperature variation along the length of the tube and applying the formulas to small incremental [Delta]T's, then summing to get the total effect. Therefore, for normal laboratory conditions where pressure gradient corrections are to be computed, it is sufficient to record only the temperatures at the hot and cold ends rather than having to obtain a number of temperature readings along the tube.\r\n\r\nIn order to apply pressure corrections easily and rapidly, a system of correction curves is given. To simplify the procedure, the tube cold end temperature was assumed to be 80[degrees]F, and the correction curves drawn accordingly. However, for different laboratory conditions a similar system of curves could be drawn and used.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12162003-155556", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162003-155556", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-09", "doi": "10.7907/SQF1-5002", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-16", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-01-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Howard, Weston Morgan" }, { "id": "/id/eprint/4891", "eprint_id": 4891, "rev_number": 10, "documents": [ { "id": "/id/document/7788", "doc_id": 7788, "rev_number": 2, "files": [ { "id": "/id/file/47845", "fileid": 47845, "datasetid": "document", "objectid": 7788, "filename": "Fehrman_al_1955.pdf", "mime_type": "application/pdf", "filesize": 3941252, "mtime": "2012-12-26 03:12:40", "url": "/4891/1/Fehrman_al_1955.pdf" } ], "eprint_id": 4891, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Fehrman_al_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Fehrman_al_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24299" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24299" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24299" } ] } }, { "id": "/id/document/24299", "doc_id": 24299, "rev_number": 2, "files": [ { "id": "/id/file/47843", "fileid": 47843, "datasetid": "document", "objectid": 24299, "filename": "preview.png", "mime_type": "image/png", "hash": "1554a131dbf566d70b4c2d9a75df190d", "hash_type": "MD5", "filesize": 10496, "mtime": "2012-12-26 03:12:40", "url": "/4891/2/preview.png" } ], "eprint_id": 4891, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7788" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7788" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7788" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/91", "datestamp": "2003-12-12", "lastmod": "2023-06-28 21:13:22", "status_changed": "2009-09-25 03:27:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fehrman-Alvin-Lyone", "name": { "family": "Fehrman", "given": "Alvin Lyone" }, "show_email": "NO" } ] }, "title": "Effect of Spin and Yaw on Boundary Layer Transition Along a Body of Revolution", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This report covers an experimental investigation of boundary layer transition on a body of revolution at low subsonic speeds, with emphasis placed on the effects of spin and yaw on transition.\r\n\r\nThe methods tried for detecting boundary layer transition for this particular investigation are reviewed and the technique finally adopted, the use of a hot wire anemometer, is described in detail.\r\n\r\nIt was found that at angles of yaw, the transition from laminar to turbulent flow in the boundary layer occurs at a higher Reynolds number over most of the body than at zero yaw, and that spin has a negligible effect on the transition Reynolds number. It was observed however that the effect of spin varies from the front to the rear of the body, although it was not ascertained whether this effect was a result of the influence of the nose section, the tripping device which was used to obtain transition, or a combination of both.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12092003-160300", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092003-160300", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-12", "doi": "10.7907/NP87-FA81", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-09", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Fehrman, Alvin Lyone" }, { "id": "/id/eprint/40", "eprint_id": 40, "rev_number": 10, "documents": [ { "id": "/id/document/86", "doc_id": 86, "rev_number": 2, "files": [ { "id": "/id/file/479", "fileid": 479, "datasetid": "document", "objectid": 86, "filename": "James_gt_1955.pdf", "mime_type": "application/pdf", "filesize": 2294566, "mtime": "2012-12-26 02:26:57", "url": "/40/1/James_gt_1955.pdf" } ], "eprint_id": 40, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "James_gt_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "James_gt_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/16914" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/16914" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/16914" } ] } }, { "id": "/id/document/16914", "doc_id": 16914, "rev_number": 2, "files": [ { "id": "/id/file/477", "fileid": 477, "datasetid": "document", "objectid": 16914, "filename": "preview.png", "mime_type": "image/png", "hash": "2c2bcb2658032892b41b55b92a21be67", "hash_type": "MD5", "filesize": 11373, "mtime": "2012-12-26 02:26:57", "url": "/40/2/preview.png" } ], "eprint_id": 40, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/86" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/86" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/86" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/00/40", "datestamp": "2004-01-07", "lastmod": "2023-06-29 21:47:08", "status_changed": "2009-09-25 01:26:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "James-George-Thomas", "name": { "family": "James", "given": "George Thomas" }, "show_email": "NO" } ] }, "title": "The Effect of Adhesive Coating on the Fatigue Properties of 2014-T and 7075-T at Normal and Elevated Temperatures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A problem of current practical interest to the field of Aeronautics is whether cement coatings associated with strain gages and fatigue warning indicators have appreciable effect upon fatigue characteristics.\r\n\r\nFatigue tests in rotary bending were conducted at room temperature, 200[degrees]F and 400[degrees]F on plain specimens of 2014-T and 7075-T and specimens coated with a synthetic resin lacquer, a synthetic resin cement, and an epoxy resin cement.\r\n\r\nThe effect of these coatings was slight at room temperature, falling within the scatter band, but apparently affording a small increase in fatigue life. At 200[degrees]F there was no definite effect, but at 400[degrees]F there was a pronounced lowering of fatigue life for all the coated specimens. Parallel results were obtained in 2014-T and 7075-T.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-01062004-163541", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01062004-163541", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-07", "doi": "10.7907/AX4T-KX34", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "chair" }, { "id": "Lurie-H", "name": { "family": "Lurie", "given": "Harold" }, "role": "member" }, { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-06", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-01-07", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "James, George Thomas" }, { "id": "/id/eprint/4766", "eprint_id": 4766, "rev_number": 11, "documents": [ { "id": "/id/document/7643", "doc_id": 7643, "rev_number": 2, "files": [ { "id": "/id/file/46835", "fileid": 46835, "datasetid": "document", "objectid": 7643, "filename": "McClellan_r_1955.pdf", "mime_type": "application/pdf", "filesize": 1365961, "mtime": "2012-12-26 03:11:38", "url": "/4766/1/McClellan_r_1955.pdf" } ], "eprint_id": 4766, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "McClellan_r_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "McClellan_r_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24162" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24162" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24162" } ] } }, { "id": "/id/document/24162", "doc_id": 24162, "rev_number": 2, "files": [ { "id": "/id/file/46833", "fileid": 46833, "datasetid": "document", "objectid": 24162, "filename": "preview.png", "mime_type": "image/png", "hash": "1b9625d8e5183f6f813d38a6b78ff84b", "hash_type": "MD5", "filesize": 9746, "mtime": "2012-12-26 03:11:38", "url": "/4766/2/preview.png" } ], "eprint_id": 4766, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7643" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7643" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7643" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/66", "datestamp": "2003-12-09", "lastmod": "2023-07-06 18:19:49", "status_changed": "2009-09-25 03:25:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "McClellan-Robert", "name": { "family": "McClellan", "given": "Robert" }, "show_email": "NO" } ] }, "title": "Equilibrium Temperature and Heat Transfer Characteristics of Hot Wires in Supersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An experimental investigation was made of two problems that are fundamental to the application of hot wire anemometry in a supersonic flow. First, the equilibrium temperature of a wire in supersonic flow was established as a function of the flow parameters. Second, the heat loss law for a heated wire in a supersonic flow was determined. In the latter case it was shown that the heat loss, represented by a Nusselt number, is a function of Reynolds number only, with the temperature loading as a parameter. There is no Mach number effect from M = 1.80 to M = 4.54, the range of the present experiments.\r\n\r\nThe results show that the hot wire should be a satisfactory instrument for the measurement of both mean values and fluctuations of the mass flow and the stagnation temperature.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12042003-105304", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12042003-105304", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-09", "doi": "10.7907/AB2Y-MC42", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Laufer-John", "name": { "family": "Laufer", "given": "John" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-04", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "McClellan, Robert" }, { "id": "/id/eprint/259", "eprint_id": 259, "rev_number": 9, "documents": [ { "id": "/id/document/385", "doc_id": 385, "rev_number": 2, "files": [ { "id": "/id/file/2443", "fileid": 2443, "datasetid": "document", "objectid": 385, "filename": "Seidman_o_1955.pdf", "mime_type": "application/pdf", "filesize": 1310767, "mtime": "2012-12-26 02:28:26", "url": "/259/1/Seidman_o_1955.pdf" } ], "eprint_id": 259, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Seidman_o_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Seidman_o_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17210" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17210" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17210" } ] } }, { "id": "/id/document/17210", "doc_id": 17210, "rev_number": 2, "files": [ { "id": "/id/file/2441", "fileid": 2441, "datasetid": "document", "objectid": 17210, "filename": "preview.png", "mime_type": "image/png", "hash": "52ce345cea742e4d13669bb82bb89aca", "hash_type": "MD5", "filesize": 11233, "mtime": "2012-12-26 02:28:25", "url": "/259/2/preview.png" } ], "eprint_id": 259, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/385" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/385" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/385" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/59", "datestamp": "2004-01-22", "lastmod": "2023-07-06 20:50:50", "status_changed": "2009-09-25 01:32:30", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Seidman-Oscar", "name": { "family": "Seidman", "given": "Oscar" }, "show_email": "NO" } ] }, "title": "A Theoretical Investigation of the Effect of Upwash and Camber on Drag Due to Lift for Rectangular Wings at Supersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nA theoretical investigation was conducted, using linearized theory, to determine the combined effects of upwash and camber on drag due to lift for rectangular wings at supersonic speeds. Both the case of body upwash and the case of a uniform upwash field were considered. Previous studies have shown that body upwash and wing camber, acting separately, each reduce the drag due to lift for a rectangular wing. In the present investigation it was found that the individual effects as measured by the criterion [...] are additive and that there is a further gain which increased with decreasing aspect ratio. For the basic wing-body configuration investigated, with wing having a reduced aspect ratio of two, the upwash effect was much larger than the camber effect. For a complete aircraft configuration with lifting nose, optimum camber reduced the drag at a given lift by a somewhat smaller percentage than it did for an isolated wing. The analysis further indicated that use of moderate negative wing incidence could reduce aircraft drag at a given lift.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-01212004-103434", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01212004-103434", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-22", "doi": "10.7907/AMQ1-JJ66", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-21", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-01-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Seidman, Oscar" }, { "id": "/id/eprint/4765", "eprint_id": 4765, "rev_number": 12, "documents": [ { "id": "/id/document/7642", "doc_id": 7642, "rev_number": 2, "files": [ { "id": "/id/file/46828", "fileid": 46828, "datasetid": "document", "objectid": 7642, "filename": "Crowe_th_1955.pdf", "mime_type": "application/pdf", "filesize": 1541027, "mtime": "2012-12-26 03:11:37", "url": "/4765/1/Crowe_th_1955.pdf" } ], "eprint_id": 4765, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Crowe_th_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Crowe_th_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24161" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24161" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24161" } ] } }, { "id": "/id/document/24161", "doc_id": 24161, "rev_number": 2, "files": [ { "id": "/id/file/46826", "fileid": 46826, "datasetid": "document", "objectid": 24161, "filename": "preview.png", "mime_type": "image/png", "hash": "e2bdaff2e9d6460b94a888856bb431cf", "hash_type": "MD5", "filesize": 9424, "mtime": "2012-12-26 03:11:37", "url": "/4765/2/preview.png" } ], "eprint_id": 4765, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7642" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7642" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7642" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/65", "datestamp": "2003-12-09", "lastmod": "2023-06-28 21:00:04", "status_changed": "2009-09-25 03:25:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Crowe-Thomas-Huston", "name": { "family": "Crowe", "given": "Thomas Huston" }, "show_email": "NO" } ] }, "title": "Correlation of Laminar Flame Velocities for Hydrocarbon-Oxygen-Inert Gas Mixtures", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A thermal theory of laminar flame propagation for hydrocarbon-oxygen flames is described. The method of analysis follows the earlier work of von Karman and his collaborators. The problem is greatly simplified by the introduction of several approximations and assumptions.\r\n\r\nIn Section III the problem is formulated and approximate solutions are given for hydrocarbon-oxygen flames, assuming a second order rate-controlling step. Approximate analytic solutions have been obtained for all mixture ratios.\r\n\r\nHydrocarbon-oxygen-inert gas mixtures are considered in Section IV. A second order rate-controlling step is again assumed and solutions are given for various initial gas compositions.\r\n\r\nAn attempt is made to correlate experimentally determined burning velocity data in Section V. Reference to Section V shows that a good correlation was obtained only for lean mixtures. Absolute values for the laminar burning velocity cannot be estimated because of the lack of data concerning reaction mechanism and specific reaction rate constants.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12042003-105228", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12042003-105228", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-09", "doi": "10.7907/29MY-5D14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-04", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Crowe, Thomas Huston" }, { "id": "/id/eprint/4756", "eprint_id": 4756, "rev_number": 10, "documents": [ { "id": "/id/document/7633", "doc_id": 7633, "rev_number": 2, "files": [ { "id": "/id/file/46764", "fileid": 46764, "datasetid": "document", "objectid": 7633, "filename": "Cornwell_rs_1955.pdf", "mime_type": "application/pdf", "filesize": 3775519, "mtime": "2012-12-26 03:11:33", "url": "/4756/1/Cornwell_rs_1955.pdf" } ], "eprint_id": 4756, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cornwell_rs_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Cornwell_rs_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24152" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24152" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24152" } ] } }, { "id": "/id/document/24152", "doc_id": 24152, "rev_number": 2, "files": [ { "id": "/id/file/46762", "fileid": 46762, "datasetid": "document", "objectid": 24152, "filename": "preview.png", "mime_type": "image/png", "hash": "80a36c322725f9f085ab96ae994a9e79", "hash_type": "MD5", "filesize": 9319, "mtime": "2012-12-26 03:11:33", "url": "/4756/2/preview.png" } ], "eprint_id": 4756, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7633" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7633" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7633" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/56", "datestamp": "2003-12-09", "lastmod": "2023-06-28 20:58:58", "status_changed": "2009-09-25 03:25:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Cornwell-Roy-Stribling", "name": { "family": "Cornwell", "given": "Roy Stribling" }, "show_email": "NO" } ] }, "title": "Experiments in Nucleate Boiling Heat Transfer", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present series of experiments were undertaken in order to provide additional information on the effects of different heating surface materials on boiling heat transfer. Three different materials were used in conjunction with three different fluids.\r\n\r\nWires of platinum, tungsten and iron were chosen for the heating surface materials. All wires were approximately 0.010 inches in diameter and two inches long. The fluids used were methyl alcohol, carbon tetrachloride and iso-octane. Measurements of wire temperature and heat flux were made with the wire immersed in the fluid and heated electrically.\r\n\r\nThe results indicated that there was no major effect of the heating surface material on either the burnout heat flux or on the temperature of the nucleate boiling region. These findings are, of course, limited to the wire-fluid combinations tested as well as to the range of experimental conditions investigated.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12042003-092813", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12042003-092813", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-09", "doi": "10.7907/PHKW-K604", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sabersky-R-H", "name": { "family": "Sabersky", "given": "Rolf H." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-04", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Cornwell, Roy Stribling" }, { "id": "/id/eprint/248", "eprint_id": 248, "rev_number": 10, "documents": [ { "id": "/id/document/361", "doc_id": 361, "rev_number": 2, "files": [ { "id": "/id/file/2309", "fileid": 2309, "datasetid": "document", "objectid": 361, "filename": "Rex_jf_1955.pdf", "mime_type": "application/pdf", "filesize": 1821338, "mtime": "2012-12-26 02:28:19", "url": "/248/1/Rex_jf_1955.pdf" } ], "eprint_id": 248, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rex_jf_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Rex_jf_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17186" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17186" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17186" } ] } }, { "id": "/id/document/17186", "doc_id": 17186, "rev_number": 2, "files": [ { "id": "/id/file/2307", "fileid": 2307, "datasetid": "document", "objectid": 17186, "filename": "preview.png", "mime_type": "image/png", "hash": "0b05540cee9cb63bd72bdbf0e2dbfaf3", "hash_type": "MD5", "filesize": 10247, "mtime": "2012-12-26 02:28:19", "url": "/248/2/preview.png" } ], "eprint_id": 248, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/361" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/361" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/361" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/48", "datestamp": "2004-01-22", "lastmod": "2023-07-10 19:10:35", "status_changed": "2009-09-25 01:32:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rex-James-Foster", "name": { "family": "Rex", "given": "James Foster" }, "show_email": "NO" } ] }, "title": "Interference Effects During Burning in Air for Two Stationary N-Heptane Droplets", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstraact is included in .pdf document.\r\n\r\nIn order to gain some understanding of droplet interference during burning, experiments have been conducted for the determination of the evaporation constant and flame shapes of two closely spaced n-heptane droplets burning in air. Droplets of approximately the same and of different diameters were used at various distances between the droplet centers.\r\n\r\nExperimental results on flame shapes and evaporation constants for closely spaced droplets show somewhat surprising behavior. Thus the apparent flame shape changes very little during the burning of the droplet. The square of the droplet diameter decreases linearly with time for fixed spacing between droplet centers, at least within the experimental limits of accuracy. Since geometrically different conditions are produced continuously during burning, the observed independence of the slope of plots for the square of droplet diameter vs time is not obviously expected. Furthermore, for droplets of different average initial diameters [...], the frequency, [...], where [...] is the usual evaporation constant, is well represented as a universal function of the initial spacing between droplet centers ([...]) or adjacent droplet surfaces ([...]).\r\n\r\nThe evaporation constant [...] for constant [...], and the frequency [...] for arbitrary values of [...], increase at first as [...] is reduced and then decrease again. For large values of [...], [...] approaches the numerical value measured in studies on the burning of single droplets. This behavior can be understood in terms of a competition between heat losses to the outside from the flame front surrounding a single droplet, which decrease as the droplets are brought together, and oxygen-deficient atmospheres, which are more likely to occur for very small values of [...].\r\n\r\nAlthough an acceptable empirical correlation of experimental measurements has been obtained, the processes which determine interference during droplet burning are as yet not understood. In view of the possible practical importance of interference during burning in sprays, additional laboratory studies on the burning of simple geometric arrays, other than two droplets, appear to be indicated.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-01202004-145717", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01202004-145717", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-22", "doi": "10.7907/334Z-RA03", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-20", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-01-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Rex, James Foster" }, { "id": "/id/eprint/4739", "eprint_id": 4739, "rev_number": 10, "documents": [ { "id": "/id/document/7616", "doc_id": 7616, "rev_number": 2, "files": [ { "id": "/id/file/46636", "fileid": 46636, "datasetid": "document", "objectid": 7616, "filename": "Kiley_dw_1955.pdf", "mime_type": "application/pdf", "filesize": 1364894, "mtime": "2012-12-26 03:11:25", "url": "/4739/1/Kiley_dw_1955.pdf" } ], "eprint_id": 4739, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kiley_dw_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Kiley_dw_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24135" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24135" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24135" } ] } }, { "id": "/id/document/24135", "doc_id": 24135, "rev_number": 2, "files": [ { "id": "/id/file/46634", "fileid": 46634, "datasetid": "document", "objectid": 24135, "filename": "preview.png", "mime_type": "image/png", "hash": "a8c178cd86d8ed08869cae4383130664", "hash_type": "MD5", "filesize": 9828, "mtime": "2012-12-26 03:11:25", "url": "/4739/2/preview.png" } ], "eprint_id": 4739, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7616" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7616" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7616" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/39", "datestamp": "2003-12-10", "lastmod": "2023-06-29 22:32:43", "status_changed": "2009-09-25 03:25:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kiley-Donald-Walter", "name": { "family": "Kiley", "given": "Donald Walter" }, "show_email": "NO" } ] }, "title": "On the Burning of Single Drops of Monopropellants", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A simplified theoretical treatment has been developed for the burning of single drops of monopropellants. Evaporation constants and the ratios of flame to droplet radii have been calculated for the following monopropellants burning in an inert atmosphere: hydrogen peroxide, nitromethane, hydrazine, ethylene oxide, ozone and nitrous oxide. Compared with the results of similar calculations for fuels burning in air, much smaller flame radii were obtained, while the evaporation constants were found to fall in the same range as before.\r\n\r\nAttempts at burning single droplets of monopropellants (e.g. hydrazine and nitromethane) in a nitrogen atmosphere were unsuccessful. Monopropellant droplets burning stably in air were found to extinguish if the oxygen was removed during burning. These experimental findings probably reflect the well-known difficulties encountered in monopropellant operation, which is usually successful only if a suitable reaction catalyst is available. The applicability of calculated monopropellant burning rates to practical cases cannot be assessed at this time.\r\n\r\nSingle droplets of hydrazine and nitromethane were burnt in air and evaporation constants determined experimentally. The measured rate for nitromethane was found to be in good agreement with calculated results for heterogeneous burning of fuel droplets in air. The measured rate for hydrazine was found to be considerably higher than the value calculated for fuel droplets burning in air or for monopropellant droplets burning in an inert atmosphere. This latter result probably indicates that the assumption of a diffusion flame for the burning of hydrazine in air is not valid, i.e., the hydrazine decomposes throughout the region between the liquid surface and the \"flame surface\" rather than reacting instantaneously at the \"flame surface\".", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12032003-112346", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032003-112346", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-10", "doi": "10.7907/33WQ-4M23", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-03", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Kiley, Donald Walter" }, { "id": "/id/eprint/4708", "eprint_id": 4708, "rev_number": 10, "documents": [ { "id": "/id/document/7583", "doc_id": 7583, "rev_number": 2, "files": [ { "id": "/id/file/46403", "fileid": 46403, "datasetid": "document", "objectid": 7583, "filename": "Birdwell_c_1955.pdf", "mime_type": "application/pdf", "filesize": 4805173, "mtime": "2012-12-26 03:11:10", "url": "/4708/1/Birdwell_c_1955.pdf" } ], "eprint_id": 4708, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Birdwell_c_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Birdwell_c_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24102" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24102" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24102" } ] } }, { "id": "/id/document/24102", "doc_id": 24102, "rev_number": 2, "files": [ { "id": "/id/file/46401", "fileid": 46401, "datasetid": "document", "objectid": 24102, "filename": "preview.png", "mime_type": "image/png", "hash": "dd64e2ed719314ad0e1c8aa87466584f", "hash_type": "MD5", "filesize": 11508, "mtime": "2012-12-26 03:11:10", "url": "/4708/2/preview.png" } ], "eprint_id": 4708, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7583" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7583" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7583" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/08", "datestamp": "2003-12-04", "lastmod": "2023-07-10 17:22:07", "status_changed": "2009-09-25 03:24:44", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Birdwell-Carl", "name": { "family": "Birdwell", "given": "Carl" }, "show_email": "NO" } ] }, "title": "Investigation at Low Speed of a Six-Percent Thick Symmetrical Circular-Arc Airfoil with Leading Edge Retraction in Combination with Nose Slot", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The effectiveness of leading-edge retraction as a possible high-lift device for thin, sharp-nosed airfoils was investigated. Experimental results are presented for a symmetrical, 6%-thick, circular-arc airfoil configuration, such that the forward 9.5% section of the chord is retractable up to a distance of 20% chord into the wing. The results include direct force measurements, limited surface pressure surveys and limited single-tuft surveys.\r\n\r\nTests were made with varying amounts of retraction in combination with variable stagger between leading edges of upper and lower surfaces and with several upper surface slot configurations. One retracted configuration was tested with a 20% chord, split-flap.\r\n\r\nThe results show that retraction is ineffective in increasing maximum lift. In general the effect on maximum lift was as follows: (1) Retracting up to approximately 9%, decreased maximum lift in proportion to the loss in wing area, (2) With exactly 9.06% retraction and with certain configurations of stagger and/or slots, the stalling angle of attack was increased 2[degrees] and the maximum lift was equal to that of the unaltered airfoil, (3) Retracting more than 9.06% resulted in a disproportionate loss of maximum lift, approximately 20% less than the unaltered airfoil.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12022003-154259", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022003-154259", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-04", "doi": "10.7907/B8SG-Y069", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-02", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-04", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Birdwell, Carl" }, { "id": "/id/eprint/4648", "eprint_id": 4648, "rev_number": 10, "documents": [ { "id": "/id/document/7499", "doc_id": 7499, "rev_number": 2, "files": [ { "id": "/id/file/45854", "fileid": 45854, "datasetid": "document", "objectid": 7499, "filename": "Baldwin_lc_1955.pdf", "mime_type": "application/pdf", "filesize": 1893741, "mtime": "2012-12-26 03:10:34", "url": "/4648/1/Baldwin_lc_1955.pdf" } ], "eprint_id": 4648, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Baldwin_lc_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Baldwin_lc_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24018" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24018" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24018" } ] } }, { "id": "/id/document/24018", "doc_id": 24018, "rev_number": 2, "files": [ { "id": "/id/file/45852", "fileid": 45852, "datasetid": "document", "objectid": 24018, "filename": "preview.png", "mime_type": "image/png", "hash": "a07526249bde5ec4f329fa3d19645e51", "hash_type": "MD5", "filesize": 10560, "mtime": "2012-12-26 03:10:34", "url": "/4648/2/preview.png" } ], "eprint_id": 4648, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7499" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7499" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7499" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/48", "datestamp": "2003-11-24", "lastmod": "2023-06-28 17:40:15", "status_changed": "2009-09-25 03:22:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Baldwin-Lawrence- Cloyd", "name": { "family": "Baldwin", "given": "Lawrence Cloyd" }, "show_email": "NO" } ] }, "title": "Viscous Effects on Static Pressure Distribution for a Slender Cone at a Nominal Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An experimental investigation was conducted in the GALCIT Hypersonic Wind Tunnel, Leg No. 1, to determine the static pressure distribution on a cone with 5[degrees] semivertex angle at a nominal Mach number of 5.8.\r\n\r\nThis investigation was concerned with the effect of hypersonic boundary layer-shock wave interaction on the pressure at the cone surface. Pressure distributions were measured for three values of Reynolds numbers per inch and a comparison was made with theoretically calculated pressure distributions.\r\n\r\nThe influence of viscosity in hypersonic flow was demonstrated by an induced pressure rise of approximately 45% above theoretical inviscid pressure for the lowest Reynolds number tested.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-11242003-104401", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11242003-104401", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-24", "doi": "10.7907/XNB2-P865", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lees-L", "name": { "family": "Lees", "given": "Lester" }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-11-24", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-11-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Baldwin, Lawrence Cloyd" }, { "id": "/id/eprint/4622", "eprint_id": 4622, "rev_number": 13, "documents": [ { "id": "/id/document/7462", "doc_id": 7462, "rev_number": 2, "files": [ { "id": "/id/file/45627", "fileid": 45627, "datasetid": "document", "objectid": 7462, "filename": "Benton_wc_1955.pdf", "mime_type": "application/pdf", "filesize": 825600, "mtime": "2012-12-26 03:10:20", "url": "/4622/1/Benton_wc_1955.pdf" } ], "eprint_id": 4622, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Benton_wc_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Benton_wc_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23986" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23986" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23986" } ] } }, { "id": "/id/document/23986", "doc_id": 23986, "rev_number": 2, "files": [ { "id": "/id/file/45625", "fileid": 45625, "datasetid": "document", "objectid": 23986, "filename": "preview.png", "mime_type": "image/png", "hash": "0734d8323948543366902059108ccc8a", "hash_type": "MD5", "filesize": 9422, "mtime": "2012-12-26 03:10:19", "url": "/4622/2/preview.png" } ], "eprint_id": 4622, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7462" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7462" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7462" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/22", "datestamp": "2003-11-24", "lastmod": "2023-06-28 17:48:43", "status_changed": "2009-09-25 03:22:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Benton-William-Curtis", "name": { "family": "Benton", "given": "William Curtis" }, "show_email": "NO" } ] }, "title": "The Emissivity of Hydrogen Atoms at High Ttemperatures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nA method is described for making estimates of the total emissivity of hydrogen in the temperature and pressure ranges where hydrogen atoms predominate under equilibrium conditions. For a characteristic geometrical depth of 50 cm, and temperatures of the order of 12,500[degrees]K and higher, with pressures of the order of 100 atmos and higher, the emissivity approaches unity [...] while for temperatures of the order of 9500[degrees]K and lower, with pressures of the order of 10 atmos and lower, the emissivity approaches zero [...]. The variations of the emissivity between these approximate limits are shown graphically as functions of temperature and pressure with the geometrical depth set at 50 cm. The variation of the emissivity with geometrical depth is also shown graphically at 12,600[degrees]K and 20 atmos.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-11212003-145619", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11212003-145619", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-24", "doi": "10.7907/G0S8-8Q90", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Aroeste-H", "name": { "family": "Aroeste", "given": "Henry" }, "role": "advisor" }, { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-11-21", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-11-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Benton, William Curtis" }, { "id": "/id/eprint/1230", "eprint_id": 1230, "rev_number": 15, "documents": [ { "id": "/id/document/1866", "doc_id": 1866, "rev_number": 3, "files": [ { "id": "/id/file/11693", "fileid": 11693, "datasetid": "document", "objectid": 1866, "filename": "Larsen_hc_1955.pdf", "mime_type": "application/pdf", "filesize": 6914808, "mtime": "2012-12-26 02:36:29", "url": "/1230/1/Larsen_hc_1955.pdf" } ], "eprint_id": 1230, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Full thesis", "language": "en", "security": "public", "license": "other", "main": "Larsen_hc_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": 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"http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1868" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1868" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/30", "datestamp": "2009-04-01", "lastmod": "2023-07-10 18:27:43", "status_changed": "2009-09-25 01:58:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Larsen-Harold-Cecil", "name": { "family": "Larsen", "given": "Harold Cecil" }, "show_email": "NO" } ] }, "title": "Design of a Model for the Measurement of the Pressure Distribution on an Axially Symmetric Rotating Body", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Two simplified theories for the corrections to be applied to the measured pressure in order to determine the pressure distribution on a rotating body are presented. One is based on continuous sampling, and the other is based upon pulse sampling. The problems associated with and the design features of systems using different pressure sensing elements are reviewed. From these considerations, the system offering the simplest solution is selected. The design features and compromises of a model designed and constructed utilizing pulse sampling are discussed.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-03312009-095556", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03312009-095556", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-04-01", "doi": "10.7907/TDEY-2865", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-31", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2009-04-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Larsen, Harold Cecil" }, { "id": "/id/eprint/478", "eprint_id": 478, "rev_number": 9, "documents": [ { "id": "/id/document/714", "doc_id": 714, "rev_number": 2, "files": [ { "id": "/id/file/4516", "fileid": 4516, "datasetid": "document", "objectid": 714, "filename": "Williamson_wj_1955.pdf", "mime_type": "application/pdf", "filesize": 1289366, "mtime": "2012-12-26 02:30:01", "url": "/478/1/Williamson_wj_1955.pdf" } ], "eprint_id": 478, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Williamson_wj_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Williamson_wj_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17531" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17531" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17531" } ] } }, { "id": "/id/document/17531", "doc_id": 17531, "rev_number": 2, "files": [ { "id": "/id/file/4514", "fileid": 4514, "datasetid": "document", "objectid": 17531, "filename": "preview.png", "mime_type": "image/png", "hash": "e432cdf964fe1ba101b2dfc2250fd09d", "hash_type": "MD5", "filesize": 9295, "mtime": "2012-12-26 02:30:01", "url": "/478/2/preview.png" } ], "eprint_id": 478, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/714" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/714" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/714" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/04/78", "datestamp": "2004-02-17", "lastmod": "2023-07-06 23:55:31", "status_changed": "2009-09-25 01:38:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Williamson-William-Jeffris", "name": { "family": "Williamson", "given": "William Jeffris" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Heat Transfer from Fine Wires to Still Air at Low Density", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Heat transfer from electrically heated wires of 0.00025 cm nominal diameter to still air at room temperature has been investigated at pressures ranging from 1 to 0.0076 atmospheres. Three wires, having ratios of length to diameter in the approximate proportion 1:5:10, were tested in the vertical position. Due to time limitations, only the shortest of these was tested in a horizontal position. A check was made to determine whether the results were influenced by the geometry of the enclosing vessel.\r\n\r\nFor pressures at which the molecular mean free path is smaller than the wire diameter, the results appear to satisfy a relation of a form derived for free-molecule heat conduction. Small departures from this behavior at the higher pressures are attributed to the effects of natural convection. The Nusselt number was found not to be uniquely related to the product of the Grashof and Prandtl numbers, as has been proposed, for values of this product below 10[^-5].\r\n\r\nIt was found that, at the lowest pressures reached, solid boundaries located at distances of the order of 3 x 10[^4] diameters from the wire cannot be considered infinitely remote.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-02032004-142252", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02032004-142252", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-02-17", "doi": "10.7907/J54H-9F64", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-02-03", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-02-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Williamson, William Jeffris" }, { "id": "/id/eprint/369", "eprint_id": 369, "rev_number": 9, "documents": [ { "id": "/id/document/542", "doc_id": 542, "rev_number": 2, "files": [ { "id": "/id/file/3467", "fileid": 3467, "datasetid": "document", "objectid": 542, "filename": "Stalk_g_1955.pdf", "mime_type": "application/pdf", "filesize": 1922913, "mtime": "2012-12-26 02:29:12", "url": "/369/1/Stalk_g_1955.pdf" } ], "eprint_id": 369, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stalk_g_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Stalk_g_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17368" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17368" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17368" } ] } }, { "id": "/id/document/17368", "doc_id": 17368, "rev_number": 2, "files": [ { "id": "/id/file/3465", "fileid": 3465, "datasetid": "document", "objectid": 17368, "filename": "preview.png", "mime_type": "image/png", "hash": "73d4d66c2080057d35844b522c7da250", "hash_type": "MD5", "filesize": 9789, "mtime": "2012-12-26 02:29:12", "url": "/369/2/preview.png" } ], "eprint_id": 369, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/542" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/542" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/542" } ] } }, { "id": "/id/document/119858", "doc_id": 119858, "rev_number": 1, "files": [ { "id": "/id/file/365227", "fileid": 365227, "datasetid": "document", "objectid": 119858, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "123ddc35db926682ef117e4fadeb9b81", "hash_type": "MD5", "filesize": 385, "mtime": "2021-06-23 20:23:44", "url": "/369/3/indexcodes.txt" } ], "eprint_id": 369, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/542" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/542" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/542" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/69", "datestamp": "2004-01-29", "lastmod": "2023-07-06 23:16:50", "status_changed": "2009-09-25 01:35:28", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stalk-George", "name": { "family": "Stalk", "given": "George" }, "show_email": "NO" } ] }, "title": "A Study of Fatigue Notch Sensitivity of 2014-T and 7075-T at Elevated Temperatures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This experiment was conducted to investigate the reversed-bending fatigue notch sensitivity of 2014-T and 7075-T at elevated temperatures. Tests were conducted on three configurations of specimens which had external circumferential notches, and on one configuration of un-notched specimens.\r\n\r\nIt was determined that the experimental stress concentration factor for both alloys, at room and elevated temperatures, increases with decreasing notch radius.\r\n\r\nAt room and elevated temperatures, the fatigue notch sensitivity for both 2014-T and 7075-T, generally increases with increasing notch radius.\r\n\r\nThe fatigue notch sensitivity factor and the experimental stress concentration factor for 2014-T increases with temperature, reaches a maximum in the range of 250[degrees]F to 350[degrees]F and then decreases at 400[degrees]F.\r\n\r\nThe experimental stress concentration factor for 7075-T increases almost linearly from room temperature to 400[degrees]F.\r\n\r\nThe fatigue notch sensitivity factor for 7075-T increases almost linearly from room temperature to 400[degrees]F, but only the 0.09 inch radius notch configuration shows a tendency to level off.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-01272004-110905", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272004-110905", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-29", "doi": "10.7907/A948-ZS36", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-27", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2004-01-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Stalk, George" }, { "id": "/id/eprint/4925", "eprint_id": 4925, "rev_number": 9, "documents": [ { "id": "/id/document/7833", "doc_id": 7833, "rev_number": 2, "files": [ { "id": "/id/file/48138", "fileid": 48138, "datasetid": "document", "objectid": 7833, "filename": "Schalin_phb_1955.pdf", "mime_type": "application/pdf", "filesize": 2225554, "mtime": "2012-12-26 03:12:59", "url": "/4925/1/Schalin_phb_1955.pdf" } ], "eprint_id": 4925, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Schalin_phb_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Schalin_phb_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24344" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24344" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24344" } ] } }, { "id": "/id/document/24344", "doc_id": 24344, "rev_number": 2, "files": [ { "id": "/id/file/48136", "fileid": 48136, "datasetid": "document", "objectid": 24344, "filename": "preview.png", "mime_type": "image/png", "hash": "5468767eda6765a40293b72efed24994", "hash_type": "MD5", "filesize": 11345, "mtime": "2012-12-26 03:12:59", "url": "/4925/2/preview.png" } ], "eprint_id": 4925, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7833" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7833" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7833" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/25", "datestamp": "2003-12-15", "lastmod": "2023-07-06 20:47:46", "status_changed": "2009-09-25 03:28:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Schalin-Pehr-Harald-Benedictus", "name": { "family": "Schalin", "given": "Pehr Harald Benedictus" }, "show_email": "NO" } ] }, "title": "A Slender Body Aeroelastic Transfer Function Including the Effects of Structural Flexibility and Nonstationary Aerodynamics", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "On the basis of linearized nonstationary aerodynamics and a normal mode representation of the motion, the aeroelastic transfer functions of a symmetrically oscillating slender body are derived from energy principles.\r\n\r\nIn the present analysis no structural damping or aerodynamic viscous forces are included, but they are believed not to alter the principal features of the system significantly.\r\n\r\nThe aerodynamic force expressions, obtained as a side result, turn out to be exceedingly simple in the slender body case.\r\n\r\nThe final eigenfrequency-analysis and the open loop frequency response of the system chosen in Appendix D indicate that the aerodynamic coupling is low. The eigenfrequencies therefore are accurately obtained from the simple decoupled equations. This also holds for the frequency response in a fairly wide band around each particular resonance frequency.\r\n\r\nThe magnitude of the response of the elastic coordinates in comparison with rigid body responses at resonance frequencies clearly indicates the importance of elastic effects with respect to closed loop control problems.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12102003-114448", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102003-114448", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-15", "doi": "10.7907/2GPJ-KV69", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Pickering-W-H", "name": { "family": "Pickering", "given": "William Hayward" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-10", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Schalin, Pehr Harald Benedictus" }, { "id": "/id/eprint/4923", "eprint_id": 4923, "rev_number": 10, "documents": [ { "id": "/id/document/7831", "doc_id": 7831, "rev_number": 2, "files": [ { "id": "/id/file/48124", "fileid": 48124, "datasetid": "document", "objectid": 7831, "filename": "Doss_rf_1955.pdf", "mime_type": "application/pdf", "filesize": 3080468, "mtime": "2012-12-26 03:12:58", "url": "/4923/1/Doss_rf_1955.pdf" } ], "eprint_id": 4923, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Doss_rf_1955.pdf", "language": "en", "security": "public", "license": "other", "main": "Doss_rf_1955.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24342" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24342" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24342" } ] } }, { "id": "/id/document/24342", "doc_id": 24342, "rev_number": 2, "files": [ { "id": "/id/file/48122", "fileid": 48122, "datasetid": "document", "objectid": 24342, "filename": "preview.png", "mime_type": "image/png", "hash": "bdcd74d702f35723360ca7ee050f77a2", "hash_type": "MD5", "filesize": 8551, "mtime": "2012-12-26 03:12:58", "url": "/4923/2/preview.png" } ], "eprint_id": 4923, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7831" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7831" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7831" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/23", "datestamp": "2003-12-12", "lastmod": "2023-06-28 21:09:39", "status_changed": "2009-09-25 03:28:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Doss-Robert-Franklin", "name": { "family": "Doss", "given": "Robert Franklin" }, "show_email": "NO" } ] }, "title": "Leading Edge Retraction as a High Lift Device", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A two-dimensional investigation was carried out in the Merril Wind Tunnel at the California Institute of Technology to determine the effect on low speed lift of retracting the leading edge of a thin, circular-arc airfoil.\r\n\r\nSeveral configurations were tried, some with a spanwise slot milled into the upper surface so that the leading edge recess formed by retraction could be utilized as an air intake to improve the flow. A comparison was made between the configurations with the leading edge retracted to various positions and the basic airfoil.\r\n\r\nThe investigation showed that leading edge retraction caused a linear loss of maximum lift proportional to the percent reduction in chord up to a critical position where lift and the stalling angle of attack increased abruptly. Thereafter, maximum lift was reduced at a rate higher than the chord reduction. The effect of the slot was negligible.\r\n\r\nThe critical position phenomenon warrants further study.", "date": "1955", "date_type": "degree", "id_number": "CaltechETD:etd-12102003-110111", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102003-110111", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-12", "doi": "10.7907/PV47-6A63", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" }, { "id": "Roshko-A", "name": { "family": "Roshko", "given": "Anatol" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-10", "thesis_defense_date": "1955-01-01", "thesis_approved_date": "2003-12-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1955", "author_list": "Doss, Robert Franklin" }, { "id": "/id/eprint/4715", "eprint_id": 4715, "rev_number": 9, "documents": [ { "id": "/id/document/7590", "doc_id": 7590, "rev_number": 2, "files": [ { "id": "/id/file/46454", "fileid": 46454, "datasetid": "document", "objectid": 7590, "filename": "VonGerichten_rl_1954.pdf", "mime_type": "application/pdf", "filesize": 1266859, "mtime": "2012-12-26 03:11:14", "url": "/4715/1/VonGerichten_rl_1954.pdf" } ], "eprint_id": 4715, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "VonGerichten_rl_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "VonGerichten_rl_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24109" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24109" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24109" } ] } }, { "id": "/id/document/24109", "doc_id": 24109, "rev_number": 2, "files": [ { "id": "/id/file/46452", "fileid": 46452, "datasetid": "document", "objectid": 24109, "filename": "preview.png", "mime_type": "image/png", "hash": "dfb01b94d3c99fb896b62087754182a6", "hash_type": "MD5", "filesize": 12407, "mtime": "2012-12-26 03:11:14", "url": "/4715/2/preview.png" } ], "eprint_id": 4715, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7590" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7590" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7590" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/15", "datestamp": "2003-12-10", "lastmod": "2023-06-08 21:42:27", "status_changed": "2009-09-25 03:24:49", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "von-Gerichten-Robert-Louis", "name": { "family": "von Gerichten", "given": "Robert Louis" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of the Recirculation Zone of Laminar Flames Stabilized on Bluff Bodies at Low Reynolds Numbers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAs part of a program to explain the shift in the maximum blowoff velocity from stoichiometric mixture ratio for small flame holder sizes, laminar flame stabilization studies were made using cylindrical flame holders of 0.031 to 0.125 inches in diameter at Reynolds numbers in the range of 10[^3] to 10[^4]. Chemical samples of the gases in the recirculation region behind the flame holders were taken and analyzed to determine the composition of the burning gases at the flame front. Maximum temperature measurements were taken of this same region. It was found that at these low Reynolds numbers, the composition was different than in the unburned approach mixtures, and that this was apparently due to the difference in molecular diffusion of the fuel and air across the flame front. The variation in the composition of the burning gases appears to be a direct function of the approach fuel-air mixture ratio for each diameter and approach mixture velocity.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12022003-171942", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022003-171942", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-10", "doi": "10.7907/HHVW-Z921", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-02", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "von Gerichten, Robert Louis" }, { "id": "/id/eprint/4713", "eprint_id": 4713, "rev_number": 9, "documents": [ { "id": "/id/document/7588", "doc_id": 7588, "rev_number": 2, "files": [ { "id": "/id/file/46439", "fileid": 46439, "datasetid": "document", "objectid": 7588, "filename": "Gates_cw_1954.pdf", "mime_type": "application/pdf", "filesize": 1296985, "mtime": "2012-12-26 03:11:13", "url": "/4713/1/Gates_cw_1954.pdf" } ], "eprint_id": 4713, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gates_cw_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Gates_cw_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24107" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24107" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24107" } ] } }, { "id": "/id/document/24107", "doc_id": 24107, "rev_number": 2, "files": [ { "id": "/id/file/46437", "fileid": 46437, "datasetid": "document", "objectid": 24107, "filename": "preview.png", "mime_type": "image/png", "hash": "f7738d67cb908821a6a7653eeb647a61", "hash_type": "MD5", "filesize": 9963, "mtime": "2012-12-26 03:11:13", "url": "/4713/2/preview.png" } ], "eprint_id": 4713, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7588" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7588" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7588" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/13", "datestamp": "2003-12-10", "lastmod": "2023-06-08 21:38:31", "status_changed": "2009-09-25 03:24:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gates-Chester Wright", "name": { "family": "Gates", "given": "Chester Wright" }, "show_email": "NO" } ] }, "title": "Some Experiments in Nucleate Boiling Heat Transfer", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present series of experiments was designed to provide additional information on the mechanism of bubble formation in boiling liquids. In particular, knowing that a pre-pressurization treatment raises the boiling temperature of a body of water markedly, it was desired to determine the effect of such treatment on boiling from a metal heating surface immersed in the water.\r\n\t\r\nA 0.010\" nichrome wire was immersed in a vessel of water, the entire assembly having been cleaned, and subjected to a pressure of 15000 psi for periods of time in excess of 15 minutes. The pressure was reduced to atmospheric and the wire heated to burnout by electric current. It was concluded that the effect of the treatment on the maximum heat transfer was small and equivalent to degassing the water.\r\n\t\r\nA second series of experiments was conducted in which the temperature of the wire at the onset of boiling in pre-pressurized water was measured. These experiments indicated that the wire reached a temperature considerably in excess of normal nucleation temperatures, dropping to normal at the instant of nucleation. This effect could be explained in terms of the theory which postulates bubble formation from pre-existing gas or vapor nuclei.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12022003-165828", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022003-165828", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-10", "doi": "10.7907/Y7A3-1P44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sabersky-R-H", "name": { "family": "Sabersky", "given": "Rolf H." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-02", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Gates, Chester Wright" }, { "id": "/id/eprint/4710", "eprint_id": 4710, "rev_number": 9, "documents": [ { "id": "/id/document/7585", "doc_id": 7585, "rev_number": 2, "files": [ { "id": "/id/file/46417", "fileid": 46417, "datasetid": "document", "objectid": 7585, "filename": "charles_jm_1954.pdf", "mime_type": "application/pdf", "filesize": 1919087, "mtime": "2012-12-26 03:11:12", "url": "/4710/1/charles_jm_1954.pdf" } ], "eprint_id": 4710, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "charles_jm_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "charles_jm_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24104" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24104" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24104" } ] } }, { "id": "/id/document/24104", "doc_id": 24104, "rev_number": 2, "files": [ { "id": "/id/file/46415", "fileid": 46415, "datasetid": "document", "objectid": 24104, "filename": "preview.png", "mime_type": "image/png", "hash": "ad6a616f1375cdf0ba57f3835ca6608a", "hash_type": "MD5", "filesize": 11005, "mtime": "2012-12-26 03:11:12", "url": "/4710/2/preview.png" } ], "eprint_id": 4710, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7585" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7585" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7585" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/10", "datestamp": "2003-12-04", "lastmod": "2023-06-07 23:21:30", "status_changed": "2009-09-25 03:24:45", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Charles-John-Morrison", "name": { "family": "Charles", "given": "John Morrison" }, "show_email": "NO" } ] }, "title": "Variation of Burning Velocity of Laminar Flames with Pressure by the Burner-Area Method", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Because of the disagreement in the published data on the effect of pressure on the burning velocity of laminar flames a general study was undertaken at the California Institute of Technology Jet Propulsion Laboratory to determine the variation of burning velocity with pressure by the burner-area method. This report is a portion of that study.\r\n\r\nThe mixtures utilized for this investigation were ethylene-air, isobutylene-air, propylene-oxygen-nitrogen, and propylene-air. Expressing the pressure dependence of burning velocity as p[superscript n], the value found for n is ?0.13 for ethylene-air, -0.186 for isobutylene-air, -0.153 for propylene-oxygen-nitrogen, and ?0.132 for propylene-air. The results compare reasonably well with the experimental findings of Pardee (10), Cullen (6), and Culshaw and Garside (5). At atmospheric pressure the values of burning velocity of the mixtures studied in this report are in close agreement with several experimental investigators.\r\n\r\nAlso investigated was the effect on the burning velocity of a mixture of acetylene-oxygen with the addition of helium. The trend found is that the burning velocity of an acetylene-oxygen mixture increases with the addition of helium up to a maximum at a certain percentage of helium and then decreases as more helium is added.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12022003-160702", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022003-160702", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-04", "doi": "10.7907/PVFG-9X18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-02", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-04", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Charles, John Morrison" }, { "id": "/id/eprint/4787", "eprint_id": 4787, "rev_number": 10, "documents": [ { "id": "/id/document/7664", "doc_id": 7664, "rev_number": 2, "files": [ { "id": "/id/file/47002", "fileid": 47002, "datasetid": "document", "objectid": 7664, "filename": "Perkins_ck_1954.pdf", "mime_type": "application/pdf", "filesize": 2260288, "mtime": "2012-12-26 03:11:47", "url": "/4787/1/Perkins_ck_1954.pdf" } ], "eprint_id": 4787, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Perkins_ck_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Perkins_ck_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24183" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24183" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24183" } ] } }, { "id": "/id/document/24183", "doc_id": 24183, "rev_number": 2, "files": [ { "id": "/id/file/47000", "fileid": 47000, "datasetid": "document", "objectid": 24183, "filename": "preview.png", "mime_type": "image/png", "hash": "c15626707567a189d41f10dfb5432939", "hash_type": "MD5", "filesize": 10418, "mtime": "2012-12-26 03:11:47", "url": "/4787/2/preview.png" } ], "eprint_id": 4787, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7664" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7664" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7664" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/87", "datestamp": "2003-12-11", "lastmod": "2023-06-14 23:14:44", "status_changed": "2009-09-25 03:26:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Perkins-Carlton-Kay", "name": { "family": "Perkins", "given": "Carlton Kay" }, "show_email": "NO" } ] }, "title": "Burning of Single Droplets of Hydrocarbon Fuels in Oxidizing Atmospheres", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Experiments have been conducted in order to determine the burning, rates of single droplets of liquid fuels in oxidizing atmospheres. N-heptane and absolute ethyl alcohol were tested in nitrogen-oxygen mixtures for oxygen weight fractions between 0.10 and 0.90. Measurements were made also for benzene and toluene; for oxygen weight fractions greater than for air, a carbon residue formed during the burning of these fuels, which made it impossible to obtain accurate data. For all nitrogen-oxygen mixtures it was found that the mass burning rate of single droplets of fuel is proportional to the first power of the drop diameter.\r\n\r\nThe theoretical analysis on the burning of single droplets of fuels in an oxidizing atmosphere by Goldsmith and Penner was used to obtain values for the evaporation constants of the fuels tested. The experimentally determined values of the evaporation constants were found to be in good agreement with the calculated values for all fuels tested which did not form carbon.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12052003-093547", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12052003-093547", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-11", "doi": "10.7907/DMX1-0Y63", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-05", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Perkins, Carlton Kay" }, { "id": "/id/eprint/4604", "eprint_id": 4604, "rev_number": 10, "documents": [ { "id": "/id/document/7443", "doc_id": 7443, "rev_number": 2, "files": [ { "id": "/id/file/45491", "fileid": 45491, "datasetid": "document", "objectid": 7443, "filename": "Adams_gj_1954.pdf", "mime_type": "application/pdf", "filesize": 1099314, "mtime": "2012-12-26 03:10:12", "url": "/4604/1/Adams_gj_1954.pdf" } ], "eprint_id": 4604, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Adams_gj_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Adams_gj_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23968" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23968" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23968" } ] } }, { "id": "/id/document/23968", "doc_id": 23968, "rev_number": 2, "files": [ { "id": "/id/file/45489", "fileid": 45489, "datasetid": "document", "objectid": 23968, "filename": "preview.png", "mime_type": "image/png", "hash": "f4b656e0726cdb4fa7d65729de8cb8f0", "hash_type": "MD5", "filesize": 8527, "mtime": "2012-12-26 03:10:11", "url": "/4604/2/preview.png" } ], "eprint_id": 4604, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7443" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7443" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7443" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/04", "datestamp": "2003-11-21", "lastmod": "2023-06-07 22:37:24", "status_changed": "2009-09-25 03:21:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Adams-Gaynor-Jefferson", "name": { "family": "Adams", "given": "Gaynor Jefferson" }, "show_email": "NO" } ] }, "title": "Investigations of Generalized Conical Flow Fields", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The conical transformation of variables of M.D. Haskind and S. V. Falkovich is applied to the steady-state problem of thin delta wings with subsonic leading edges in a supersonic flow. It is shown that solutions may be obtained, in terms of elliptic functions, for lifting wings of zero thickness with prescribed angle-of-attack distribution, and for symmetric non-lifting where the perturbation pressure is prescribed on the wing surface (thickness case, mean-surface assumption); the wing boundary conditions are assumed to be given in terms of polynomials in the space variables in the plane of the wing. Some previously known results are obtained to illustrate the method of analysis.\r\n", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-11202003-105420", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11202003-105420", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-21", "doi": "10.7907/GRS3-P551", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-11-20", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Adams, Gaynor Jefferson" }, { "id": "/id/eprint/349", "eprint_id": 349, "rev_number": 9, "documents": [ { "id": "/id/document/522", "doc_id": 522, "rev_number": 2, "files": [ { "id": "/id/file/3323", "fileid": 3323, "datasetid": "document", "objectid": 522, "filename": "Mulligan_he_1954.pdf", "mime_type": "application/pdf", "filesize": 5678908, "mtime": "2012-12-26 02:29:07", "url": "/349/1/Mulligan_he_1954.pdf" } ], "eprint_id": 349, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mulligan_he_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Mulligan_he_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17348" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17348" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17348" } ] } }, { "id": "/id/document/17348", "doc_id": 17348, "rev_number": 2, "files": [ { "id": "/id/file/3321", "fileid": 3321, "datasetid": "document", "objectid": 17348, "filename": "preview.png", "mime_type": "image/png", "hash": "2a1f17538b6ef5a97f76babe9b7143c0", "hash_type": "MD5", "filesize": 11447, "mtime": "2012-12-26 02:29:07", "url": "/349/2/preview.png" } ], "eprint_id": 349, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/522" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/522" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/522" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/49", "datestamp": "2004-01-29", "lastmod": "2023-06-13 21:29:17", "status_changed": "2009-09-25 01:35:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mulligan-Hampton-Emanuel", "name": { "family": "Mulligan", "given": "Hampton Emanuel" }, "show_email": "NO" } ] }, "title": "Experiments on the Relationship Between the Coefficients of Friction and Heat Transfer in Nucleate Boiling", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn experimental investigation was conducted to determine whether any relationship exists between the friction and the heat transfer coefficients in the region of nucleate boiling with forced convection. The tests were carried out with distilled water flowing through a 3/8 inch diameter tube. The water was heated by passing an electric current through the tube wall.\r\n\r\nMeasurements of the velocity of the water were taken at three positions along the test section by means of pitot tubes. The pitot tubes were also used to measure static pressure drops. From the experimental data the heat transfer and friction coefficients were computed. These coefficients were determined for a heat transfer range from 1.0 to 2.0 Btu/sq in-sec and for three pressure levels, 265, 115 and 65 psia.\r\n\r\nIt was found that for a constant subcooling in the nucleate boiling region the friction coefficient increases with increasing heat transfer rate, indicating that the bubbles actually do influence the momentum exchange. It was also found that the experimentally determined values of the friction and heat transfer coefficients plot about a line the equation of which is [...]. This is the relation that one would expect on the basis of Reynolds' analogy for turbulent flow either without a laminar boundary layer, or with the laminar boundary layer when the Prandtl number is unity. It appears therefore that the effect of the bubbles is a hydrodynamic one leading to an increase in heat exchange as well as in momentum exchange.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-01262004-105223", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01262004-105223", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-29", "doi": "10.7907/6KN7-5864", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sabersky-R-H", "name": { "family": "Sabersky", "given": "Rolf H." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-26", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2004-01-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Mulligan, Hampton Emanuel" }, { "id": "/id/eprint/188", "eprint_id": 188, "rev_number": 10, "documents": [ { "id": "/id/document/279", "doc_id": 279, "rev_number": 2, "files": [ { "id": "/id/file/1769", "fileid": 1769, "datasetid": "document", "objectid": 279, "filename": "Mileson_df_1954.pdf", "mime_type": "application/pdf", "filesize": 1355743, "mtime": "2012-12-26 02:27:52", "url": "/188/1/Mileson_df_1954.pdf" } ], "eprint_id": 188, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mileson_df_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Mileson_df_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17104" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17104" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17104" } ] } }, { "id": "/id/document/17104", "doc_id": 17104, "rev_number": 2, "files": [ { "id": "/id/file/1767", "fileid": 1767, "datasetid": "document", "objectid": 17104, "filename": "preview.png", "mime_type": "image/png", "hash": "01413d27e79f991a484bb2b3723c1bdd", "hash_type": "MD5", "filesize": 10929, "mtime": "2012-12-26 02:27:52", "url": "/188/2/preview.png" } ], "eprint_id": 188, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/279" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/279" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/279" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/88", "datestamp": "2004-01-16", "lastmod": "2023-06-13 21:01:43", "status_changed": "2009-09-25 01:30:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mileson-Donald-Francis", "name": { "family": "Mileson", "given": "Donald Francis" }, "show_email": "NO" } ] }, "title": "The Thermal Theory of Laminar Flame Propagation for Hydrogen-Bromine Mixtures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The thermal theory of laminar flame propagation for hydrogen-bromine mixtures is described. The method of analysis follows the earlier work of von Karmen and Millan and of von Karmen and Penner. The problem is materially simplified by introducing the steady-state approximation of classical chemical kinetics for the concentrations of H- and Br-atoms.\r\n\r\nThe general formulation of the problem is presented in Section II.\r\n\r\nApproximate solutions of the relevant mathematical problems, utilizing various procedures developed by von Karman and his collaborators, are given in Sections III to V for bromine-rich, stoichiometric, and hydrogen-rich mixtures, respectively.\r\n\r\nNumerical values for the physio-chemical parameters, which are required for the calculation of absolute values for the burning velocities, are considered in Section VI.\r\n\r\nThe calculated burning velocities are compared in Section VII with experimental results obtained by R. C. Anderson and his collaborators. Reference to Section VII shows that the variation of the observed burning velocities with mixture ratio is predicted correctly by the theoretical calculations. Absolute values for the laminar burning velocity cannot be estimated with certainty because of the possible existence of large errors resulting from extrapolation of low-temperature kinetics and heat conductivity data.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-01152004-120851", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01152004-120851", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-16", "doi": "10.7907/WN9C-Q975", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-15", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2004-01-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Mileson, Donald Francis" }, { "id": "/id/eprint/4789", "eprint_id": 4789, "rev_number": 9, "documents": [ { "id": "/id/document/7666", "doc_id": 7666, "rev_number": 2, "files": [ { "id": "/id/file/47017", "fileid": 47017, "datasetid": "document", "objectid": 7666, "filename": "Quiel_nr_1954.pdf", "mime_type": "application/pdf", "filesize": 2671886, "mtime": "2012-12-26 03:11:49", "url": "/4789/1/Quiel_nr_1954.pdf" } ], "eprint_id": 4789, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Quiel_nr_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Quiel_nr_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24185" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24185" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24185" } ] } }, { "id": "/id/document/24185", "doc_id": 24185, "rev_number": 2, "files": [ { "id": "/id/file/47015", "fileid": 47015, "datasetid": "document", "objectid": 24185, "filename": "preview.png", "mime_type": "image/png", "hash": "ed97404ba26b121a03578da899de8357", "hash_type": "MD5", "filesize": 9851, "mtime": "2012-12-26 03:11:49", "url": "/4789/2/preview.png" } ], "eprint_id": 4789, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7666" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7666" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7666" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/89", "datestamp": "2003-12-11", "lastmod": "2023-06-13 22:00:14", "status_changed": "2009-09-25 03:26:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Quiel-Norwald-Richard", "name": { "family": "Quiel", "given": "Norwald Richard" }, "show_email": "NO" } ] }, "title": "Impact Pressure and Total Temperature Interpretation at Hypersonic Mach Numbers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An experimental investigation was undertaken at a nominal Mach number of 5.6 in the GALCIT Hypersonic Wind Tunnel, Leg No. 1. The first phase was an investigation of the viscous effects on measured impact pressures. The second was an investigation of the temperature recovery characteristics of a singly shielded total-temperature probe.\r\n\r\nExperimental results are presented for a straight, sharp-lipped, cylindrical, impact-pressure probe and for a flattened-end probe. Impact-pressure data were obtained for a Reynolds number range from 425 to 8,000, where the Reynolds number was based on free stream conditions and the impact probe outside diameter, The data show that the Rayleigh equation requires corrections for viscous effects at Reynolds numbers less than 6,000 for the circular sharp-tipped probe and less than 4,000 for the flattened-end probe. The viscous effects increase with decreasing Remolds numbers. At a Reynolds number of 425, the measured impact pressure is approximately 2.5 per cent lower than that predicted by the Rayleigh equation. It was concluded that the viscous effects were dependent on Mach number as well as Reynolds number.\r\n\r\nTemperature recovery factors for the total-temperature probe were obtained throughout a Reynolds number range from 30,800 to 213,000, where the Reynolds number was based on the probe entrance outside diameter and the free stream conditions. An analysis of suitable parameters with which to present the data is included together with the experimental data. For a limited range of total temperatures, a single temperature recovery calibration curve was obtained when the Reynolds number was used as a parameter. The data show that the temperature recovery factor of the total temperature probe decreases with decreasing Reynolds numbers.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12052003-095631", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12052003-095631", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-11", "doi": "10.7907/SMHA-4160", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-05", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Quiel, Norwald Richard" }, { "id": "/id/eprint/4852", "eprint_id": 4852, "rev_number": 10, "documents": [ { "id": "/id/document/7741", "doc_id": 7741, "rev_number": 2, "files": [ { "id": "/id/file/47542", "fileid": 47542, "datasetid": "document", "objectid": 7741, "filename": "Rogers_de_1954.pdf", "mime_type": "application/pdf", "filesize": 3163972, "mtime": "2012-12-26 03:12:22", "url": "/4852/1/Rogers_de_1954.pdf" } ], "eprint_id": 4852, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rogers_de_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Rogers_de_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24260" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24260" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24260" } ] } }, { "id": "/id/document/24260", "doc_id": 24260, "rev_number": 2, "files": [ { "id": "/id/file/47540", "fileid": 47540, "datasetid": "document", "objectid": 24260, "filename": "preview.png", "mime_type": "image/png", "hash": "cce01a82f0a279e87f5e04ce7f584085", "hash_type": "MD5", "filesize": 8602, "mtime": "2012-12-26 03:12:22", "url": "/4852/2/preview.png" } ], "eprint_id": 4852, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7741" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7741" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7741" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/52", "datestamp": "2003-12-11", "lastmod": "2023-06-13 22:10:45", "status_changed": "2009-09-25 03:27:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rogers-Don-Easterday", "name": { "family": "Rogers", "given": "Don Easterday" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of High Frequency Combustion Instability in a Fuel-Air Combustor", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The results of an experimental investigation of high frequency combustion instability in a fuel-air combustor are described. The phenomenon is described in terms of alterations in the flame geometry and pressure changes associated with the flow field. Quantitative measurements of the pressure fluctuations are presented and the effects of various system parameters on the instability are indicated.\r\n\r\nA possible mechanism for forcing and sustaining the oscillations as indicated by the experimental data is suggested and discussed.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12082003-111443", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082003-111443", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-11", "doi": "10.7907/65NM-7Q10", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-08", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Rogers, Don Easterday" }, { "id": "/id/eprint/187", "eprint_id": 187, "rev_number": 12, "documents": [ { "id": "/id/document/278", "doc_id": 278, "rev_number": 2, "files": [ { "id": "/id/file/1761", "fileid": 1761, "datasetid": "document", "objectid": 278, "filename": "Mertz_c_1954.pdf", "mime_type": "application/pdf", "filesize": 1840410, "mtime": "2012-12-26 02:27:52", "url": "/187/1/Mertz_c_1954.pdf" } ], "eprint_id": 187, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mertz_c_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Mertz_c_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17103" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17103" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17103" } ] } }, { "id": "/id/document/17103", "doc_id": 17103, "rev_number": 2, "files": [ { "id": "/id/file/1759", "fileid": 1759, "datasetid": "document", "objectid": 17103, "filename": "preview.png", "mime_type": "image/png", "hash": "2555a62720f7c13ba4f390e5ea4812d8", "hash_type": "MD5", "filesize": 10273, "mtime": "2012-12-26 02:27:52", "url": "/187/2/preview.png" } ], "eprint_id": 187, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/278" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/278" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/278" } ] } }, { "id": "/id/document/119738", "doc_id": 119738, "rev_number": 1, "files": [ { "id": "/id/file/365104", "fileid": 365104, "datasetid": "document", "objectid": 119738, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "e36a8b960e6a42c152b1c34bd00d7f17", "hash_type": "MD5", "filesize": 851, "mtime": "2021-06-23 20:17:15", "url": "/187/3/indexcodes.txt" } ], "eprint_id": 187, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/278" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/278" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/278" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/87", "datestamp": "2004-01-16", "lastmod": "2023-06-13 20:58:31", "status_changed": "2009-09-25 01:30:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mertz-Charles", "name": { "family": "Mertz", "given": "Charles" }, "show_email": "NO" } ] }, "title": "A Study of the Effect of Boundary Layer Control on an Axial Flow Compressor Stage", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The problem of increasing the pressure ratio per stage of an axial flow compressor is studied in part by considering the effect of boundary layer control by area suction on the three dimensional turbulent boundary layer flow on the casing in one stage of a compressor.\r\n\r\nThe effect of this boundary layer control, on the prevention of separation is investigated. Crossflow and crosswise variation of crossflow in the boundary layer are factors contributing to the tendency toward separation and the effect of boundary layer control on this phenomenon is determined. This analysis is limited to the boundary layer on the casing and does not take into consideration the possible separation taking place at the blades.\r\n\r\nThe boundary layer equations are used to obtain the momentum integral equations with suction applied at the surface. The method of small perturbations is applied to the equations in order to simplify them so that a solution may be reached with relatively little effort. Expressions are assumed for the boundary layer profiles, flow path outside the boundary layer, and shear stresses. These are in a form which closely resembles the actual conditions.\r\n\r\nIn order to show what effect boundary layer control exerts, a simplified single stage compressor is studied. The results show that crossflow can be reduced by applying suction to the boundary layer with a resultant decreased tendency toward separation of the flow, but this is reached only after a certain minimum suction velocity is attained, If the suction velocity is less than this minimum, in spite of the decrease in boundary layer thickness the crossflow will be increased over that of a solid wall and likewise the tendency toward separation will increase.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-01152004-115145", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01152004-115145", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-16", "doi": "10.7907/AG0W-5T14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-15", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2004-01-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Mertz, Charles" }, { "id": "/id/eprint/4956", "eprint_id": 4956, "rev_number": 10, "documents": [ { "id": "/id/document/7864", "doc_id": 7864, "rev_number": 2, "files": [ { "id": "/id/file/48371", "fileid": 48371, "datasetid": "document", "objectid": 7864, "filename": "Strand_t_1954.pdf", "mime_type": "application/pdf", "filesize": 696661, "mtime": "2012-12-26 03:13:13", "url": "/4956/1/Strand_t_1954.pdf" } ], "eprint_id": 4956, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Strand_t_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Strand_t_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24375" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24375" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24375" } ] } }, { "id": "/id/document/24375", "doc_id": 24375, "rev_number": 2, "files": [ { "id": "/id/file/48369", "fileid": 48369, "datasetid": "document", "objectid": 24375, "filename": "preview.png", "mime_type": "image/png", "hash": "76a9be69ce1c34dab8003391d9b04bb3", "hash_type": "MD5", "filesize": 9140, "mtime": "2012-12-26 03:13:13", "url": "/4956/2/preview.png" } ], "eprint_id": 4956, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7864" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7864" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7864" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/56", "datestamp": "2003-12-15", "lastmod": "2023-06-13 23:14:40", "status_changed": "2009-09-25 03:29:14", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Strand-Torstein", "name": { "family": "Strand", "given": "Torstein" }, "show_email": "NO" } ] }, "title": "Minimum Drag Due to Lift for a Delta Wing with Sonic Leading Edges", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Using linearized theory a close approximation to the optimum camber and twist distribution of a Delta wing of zero thickness with sonic leading edges has been obtained.\r\n\r\nThe optimum wing has a camber line that is negative over the front quarter of the total planform area and is positive over the remaining area. A certain amount of washout is exhibited.\r\n\r\nCompared to the flat plate a saving in induced drag of slightly over 7 percent is shown. The leading edges are relieved of a considerable portion of the total lift. It is shown that this lift has been re-distributed over the central part of the wing.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12122003-094215", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12122003-094215", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-15", "doi": "10.7907/Y3KY-N097", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-12", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Strand, Torstein" }, { "id": "/id/eprint/129", "eprint_id": 129, "rev_number": 13, "documents": [ { "id": "/id/document/200", "doc_id": 200, "rev_number": 2, "files": [ { "id": "/id/file/1258", "fileid": 1258, "datasetid": "document", "objectid": 200, "filename": "Penny_hc_1954.pdf", "mime_type": "application/pdf", "filesize": 878248, "mtime": "2012-12-26 02:27:30", "url": "/129/1/Penny_hc_1954.pdf" } ], "eprint_id": 129, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Penny_hc_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Penny_hc_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17025" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17025" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17025" } ] } }, { "id": "/id/document/17025", "doc_id": 17025, "rev_number": 2, "files": [ { "id": "/id/file/1256", "fileid": 1256, "datasetid": "document", "objectid": 17025, "filename": "preview.png", "mime_type": "image/png", "hash": "1c0148f6f60674585ff22138b477f64a", "hash_type": "MD5", "filesize": 11228, "mtime": "2012-12-26 02:27:30", "url": "/129/2/preview.png" } ], "eprint_id": 129, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/200" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/200" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/200" } ] } }, { "id": "/id/document/119707", "doc_id": 119707, "rev_number": 1, "files": [ { "id": "/id/file/365073", "fileid": 365073, "datasetid": "document", "objectid": 119707, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "c36b016a9a48bd4ef67ef2fa287f5c5a", "hash_type": "MD5", "filesize": 2296, "mtime": "2021-06-23 20:15:31", "url": "/129/3/indexcodes.txt" } ], "eprint_id": 129, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/200" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/200" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/200" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/01/29", "datestamp": "2004-01-12", "lastmod": "2023-06-13 21:52:32", "status_changed": "2009-09-25 01:29:17", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Penny-Harmon-Charles", "name": { "family": "Penny", "given": "Harmon Charles" }, "show_email": "NO" } ] }, "title": "Vibrational Relaxation Times of Gaseous Mixtures of Diatomic Molecules and their Effect on Rocket Performance", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present methods available for the determination of the magnitudes of the vibrational relaxation times of molecules are discussed and the recently developed theory of Schwartz, Slawsky, and Herzfeld is used to compute the variation with temperature of the collisional vibrational excitation probabilities of mixtures of N2 and 02, and of H2 and HF. The results are used to estimate the extent of vibrational temperature lag in the hydrogen-fluorine rocket motor.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-01122004-094512", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01122004-094512", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-01-12", "doi": "10.7907/Y2D2-M834", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-01-12", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2004-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Penny, Harmon Charles" }, { "id": "/id/eprint/5001", "eprint_id": 5001, "rev_number": 10, "documents": [ { "id": "/id/document/7923", "doc_id": 7923, "rev_number": 2, "files": [ { "id": "/id/file/48758", "fileid": 48758, "datasetid": "document", "objectid": 7923, "filename": "Harkins_wd_1954.pdf", "mime_type": "application/pdf", "filesize": 1229405, "mtime": "2012-12-26 03:13:39", "url": "/5001/1/Harkins_wd_1954.pdf" } ], "eprint_id": 5001, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Harkins_wd_1954.pdf", "language": "en", "security": "public", "license": "other", "main": "Harkins_wd_1954.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24433" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24433" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24433" } ] } }, { "id": "/id/document/24433", "doc_id": 24433, "rev_number": 2, "files": [ { "id": "/id/file/48756", "fileid": 48756, "datasetid": "document", "objectid": 24433, "filename": "preview.png", "mime_type": "image/png", "hash": "4e8f557f674cf94f5e0d98ed918c5d5f", "hash_type": "MD5", "filesize": 10043, "mtime": "2012-12-26 03:13:39", "url": "/5001/2/preview.png" } ], "eprint_id": 5001, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7923" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7923" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7923" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/01", "datestamp": "2003-12-17", "lastmod": "2023-06-08 22:26:57", "status_changed": "2009-09-25 03:30:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Harkins-William-Douglas", "name": { "family": "Harkins", "given": "William Douglas" }, "show_email": "NO" } ] }, "title": "Base Pressure and Static Pressure for a Cone-Cylinder at a Nominal Mach Number of 5.8", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An experimental investigation was made in the GALCIT Hypersonic Wind Tunnel Leg No. l to determine the base pressure and static pressure on a cone-cylinder at a nominal Mach number of 5.8 in both one-phase and two-phase flow.\r\n\r\nThe scope of the investigation was a determination of interference data necessary for proper evaluation of base pressure results, investigation of the effect of Reynolds number on base pressure, and a comparison of experimental and theoretical static pressure distribution on a cone-cylinder.\r\n\r\nAs has been noted by other investigators, viscous effects in hypersonic flow were quite pronounced and demonstrated the increased non-linearity of the problems in hypersonic flow.", "date": "1954", "date_type": "degree", "id_number": "CaltechETD:etd-12152003-095830", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12152003-095830", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-12-17", "doi": "10.7907/P0K8-XG38", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-12-15", "thesis_defense_date": "1954-01-01", "thesis_approved_date": "2003-12-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1954", "author_list": "Harkins, William Douglas" }, { "id": "/id/eprint/1689", "eprint_id": 1689, "rev_number": 10, "documents": [ { "id": "/id/document/2688", "doc_id": 2688, "rev_number": 2, "files": [ { "id": "/id/file/16493", "fileid": 16493, "datasetid": "document", "objectid": 2688, "filename": "Ritter_dl_1953.pdf", "mime_type": "application/pdf", "filesize": 2883291, "mtime": "2012-12-26 02:40:49", "url": "/1689/1/Ritter_dl_1953.pdf" } ], "eprint_id": 1689, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ritter_dl_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Ritter_dl_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19426" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19426" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19426" } ] } }, { "id": "/id/document/19426", "doc_id": 19426, "rev_number": 2, "files": [ { "id": "/id/file/16491", "fileid": 16491, "datasetid": "document", "objectid": 19426, "filename": "preview.png", "mime_type": "image/png", "hash": "1936fdbb824b60e9482b7fb405539b4a", "hash_type": "MD5", "filesize": 9711, "mtime": "2012-12-26 02:40:49", "url": "/1689/2/preview.png" } ], "eprint_id": 1689, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2688" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2688" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2688" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/16/89", "datestamp": "2003-05-09", "lastmod": "2023-06-07 19:54:34", "status_changed": "2009-09-25 02:12:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ritter-Darrell-Lloyd", "name": { "family": "Ritter", "given": "Darrell Lloyd" }, "show_email": "NO" } ] }, "title": "Activation Energies of Global Reactions in Laminar Flame Propagation", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A survey of experimentally determined values for the laminar burning velocity of premixed, laminar hydrocarbon-air and hydrogen-oxygen-nitrogen flames shows considerable scatter between results obtained by different investigators. Within the limits of experimental reproducibility of burning velocities, it is possible to correlate measured burning velocities on the assumption that a single rate-controlling or global reaction exists. Correlation of experimental data by use of a global reaction has been made on the basis of two simplified relations for the laminar burning velocity.\r\n\r\nThe first relation was obtained by the use of an intuitive argument based on the idea that the laminar burning velocity is proportional to the square root of a second order reaction rate, with the rate-controlling reaction step depending on the first power of the initial fuel and oxygen concentrations. For lean mixtures the global activation energy was found to have a value of about 22 Kcals/mole, and for rich mixtures it has a value of roughly 56 Kcals/mole.\r\n\r\nThe second expression for the calculation of laminar burning velocity is based on a theoretical equation derived by Semenov for a thermal mechanism controlling flame propagation in rich hydrocarbon-air mixtures. Application of this relation leads to the conclusion that a global reaction with an activation energy of 87 Kcals/mole correlates rich hydrocarbon-air burning velocities, well within the limits of reproducibility of experimental data.\r\n\r\nA study of the effect of the concentration of N[subscript 2] in the oxidizing mixture shows an apparent dependence of the global activation energy on the amount of diluent gas. This observation suggests that although good correlation of experimental data has been obtained, by using the concept of a global activation energy, the results are not of fundamental significance but should be regarded simply as useful empirical methods for correlating experimental data. It is possible that additional theoretical work will lead to a modified expression for the laminar burning velocity, which not only permits correlation of experimental data, but also yields a global activation energy which is independent of the concentration of inert diluents.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05092003-084313", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05092003-084313", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-09", "doi": "10.7907/8539-Z537", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-09", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Ritter, Darrell Lloyd" }, { "id": "/id/eprint/1526", "eprint_id": 1526, "rev_number": 11, "documents": [ { "id": "/id/document/2350", "doc_id": 2350, "rev_number": 2, "files": [ { "id": "/id/file/14566", "fileid": 14566, "datasetid": "document", "objectid": 2350, "filename": "Offtermatt_wf_1953.pdf", "mime_type": "application/pdf", "filesize": 3218045, "mtime": "2012-12-26 02:38:52", "url": "/1526/1/Offtermatt_wf_1953.pdf" } ], "eprint_id": 1526, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Offtermatt_wf_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Offtermatt_wf_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19091" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19091" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19091" } ] } }, { "id": "/id/document/19091", "doc_id": 19091, "rev_number": 2, "files": [ { "id": "/id/file/14564", "fileid": 14564, "datasetid": "document", "objectid": 19091, "filename": "preview.png", "mime_type": "image/png", "hash": "8904736e45b37ab1f8128abcece487e6", "hash_type": "MD5", "filesize": 9554, "mtime": "2012-12-26 02:38:52", "url": "/1526/2/preview.png" } ], "eprint_id": 1526, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2350" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2350" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2350" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/15/26", "datestamp": "2003-04-29", "lastmod": "2023-05-25 20:28:45", "status_changed": "2009-09-25 02:06:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Offtermatt-Wilbur-Francis", "name": { "family": "Offtermatt", "given": "Wilbur Francis" }, "show_email": "NO" } ] }, "title": "Tables of Bond and Resonance Energies for Estimating Standard Heats of Fformation", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Tables of bond and resonance energies have been redetermined by using the most recent thermochemical data available. The use of the data is illustrated for the calculations of standard heats of formation of chemical compounds, including propellants.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04282003-103959", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04282003-103959", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-29", "doi": "10.7907/TZFF-RW53", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-28", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Offtermatt, Wilbur Francis" }, { "id": "/id/eprint/1697", "eprint_id": 1697, "rev_number": 11, "documents": [ { "id": "/id/document/2714", "doc_id": 2714, "rev_number": 2, "files": [ { "id": "/id/file/16623", "fileid": 16623, "datasetid": "document", "objectid": 2714, "filename": "Saxon_js_1953.pdf", "mime_type": "application/pdf", "filesize": 2898086, "mtime": "2012-12-26 02:40:56", "url": "/1697/1/Saxon_js_1953.pdf" } ], "eprint_id": 1697, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Saxon_js_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Saxon_js_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19447" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19447" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19447" } ] } }, { "id": "/id/document/19447", "doc_id": 19447, "rev_number": 2, "files": [ { "id": "/id/file/16621", "fileid": 16621, "datasetid": "document", "objectid": 19447, "filename": "preview.png", "mime_type": "image/png", "hash": "3c7578c00f66d3cdbb58e7aa3ea679fe", "hash_type": "MD5", "filesize": 8318, "mtime": "2012-12-26 02:40:56", "url": "/1697/2/preview.png" } ], "eprint_id": 1697, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2714" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2714" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2714" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/16/97", "datestamp": "2003-05-13", "lastmod": "2023-05-25 22:02:20", "status_changed": "2009-09-25 02:12:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Saxon-John-Solon", "name": { "family": "Saxon", "given": "John Solon" }, "show_email": "NO" } ] }, "title": "Feedback Servo-Stabilization of a Rocket During Take-Off", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "When a rocket is launched, there is a short initial period of acceleration during which the rocket is unstable. As the flight velocity increases, the aerodynamic forces acting on the fins and stabilizers become large enough to give stability. Various methods have been employed to stabilize the rocket during this launching period. Guide rails, \"zero length\" launchers, booster rockets which produce high initial acceleration, and auto-pilot controlled nozzles are typical devices that have been used.\r\n\r\nThis is an investigation of the requirements of a nozzle control which would stabilize the rocket during the launching period. The configuration investigated is unique in that the nozzle of the rocket is mounted as a compound pendulum, and the movement of the pendulum is utilized to furnish the signal for the nozzle control servo-mechanism, thereby eliminating the need for gyroscopic elements in the control system. The pendulum motion of the nozzle caused by a change in flight attitude of the rocket is introduced into a computer which produces an output signal proportional to the attitude of the rocket. This attitude signal is fed back to the nozzle control, which positions the nozzle.\r\n\r\nThe results of the analysis showed that the rocket was unstable during the take-off period when the nozzle control acted on the rocket attitude signal alone. Stability over a narrow range of feedback gains was indicated for the system using a simple lead circuit as a nozzle control, or in other words, when the nozzle control acted on both the attitude signal and the rate of change of attitude of the rocket. The damping characteristics of this system were poor. By changing the nozzle control function to include a response to the acceleration of the rocket attitude, the damping characteristics were improved and the range of feedback gains was widened.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05092003-161730", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05092003-161730", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-13", "doi": "10.7907/BV8Y-QT45", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-09", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Saxon, John Solon" }, { "id": "/id/eprint/1729", "eprint_id": 1729, "rev_number": 11, "documents": [ { "id": "/id/document/2802", "doc_id": 2802, "rev_number": 2, "files": [ { "id": "/id/file/17072", "fileid": 17072, "datasetid": "document", "objectid": 2802, "filename": "Mackay_ds_1953.pdf", "mime_type": "application/pdf", "filesize": 2825238, "mtime": "2012-12-26 02:41:26", "url": "/1729/1/Mackay_ds_1953.pdf" } ], "eprint_id": 1729, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mackay_ds_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Mackay_ds_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19526" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19526" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19526" } ] } }, { "id": "/id/document/19526", "doc_id": 19526, "rev_number": 2, "files": [ { "id": "/id/file/17070", "fileid": 17070, "datasetid": "document", "objectid": 19526, "filename": "preview.png", "mime_type": "image/png", "hash": "671983815ca57baa86f6a0951162cf3f", "hash_type": "MD5", "filesize": 8512, "mtime": "2012-12-26 02:41:25", "url": "/1729/2/preview.png" } ], "eprint_id": 1729, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2802" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2802" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2802" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/17/29", "datestamp": "2003-05-13", "lastmod": "2023-05-25 18:30:58", "status_changed": "2009-09-25 02:14:02", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mackay-Douglas-Severance", "name": { "family": "Mackay", "given": "Douglas Severance" }, "show_email": "NO" } ] }, "title": "Boundary Layer Temperature Recovery Factor on a Cone at Nominal Mach Number Six", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nAn investigation was conducted to determine the temperature recovery factors for laminar boundary layer on a cone at free stream Mach numbers from 5.6 to 5.9. The investigation was conducted in the GALCIT 5\" x 5? continuous-flow, closed-circuit wind tunnel (Leg No. 1). Two twenty degree cone models about three inches in length were used. One model was composed of a ceramic core with a thin (0.010? to 0.015?) steel surface, and the second was a hollow copper shell of 0.005? thickness.\r\n\r\nOne-phase and two-phase (condensation) flow conditions were investigated. Temperature recovery factors were determined from the data obtained from the tests conducted with one-phase airflows. The ratios of the temperatures recovered on the cone surface to the respective stagnation temperatures were computed from the data obtained in the two-phase airflow investigations and were compared with these ratios for the one-phase airflows.\r\n\r\nThe local temperature recovery factors for the laminar boundary layer were determined to be 0.844 ? 0.008 for Reynolds numbers from 2.1 x 10[superscript 4] to 5.4 x 10[superscript 5] . For this range of Reynolds numbers the recovery factor was found to be independent of the Reynolds number. The independence of the recovery factor on the Mach number was substantiated (by comparison with results of previous investigations at lower Mach numbers) for Mach numbers up to 5.9. The ratios of the temperature recovered on the cone to the stagnation temperature were found to be the same for one and two-phase airflows.\r\n\r\nThe square root of the Prandtl number evaluated at the mean of the temperatures of the cone surface for the various flow conditions investigated was found to be less than one per cent lower than the mean of the experimental temperature recovery factors.\r\n\r\nThe results of this investigation are in agreement with those of previous investigations at lower Mach numbers and, within the limits of experimental accuracy, verify theoretical solutions.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05122003-095635", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05122003-095635", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-13", "doi": "10.7907/8DEC-WE68", "alt_title": { "items": [ "Boundary Layer Temperature Recovery Factor on a Cone at Nominal Mach Number 6" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-12", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Mackay, Douglas Severance" }, { "id": "/id/eprint/1494", "eprint_id": 1494, "rev_number": 12, "documents": [ { "id": "/id/document/2269", "doc_id": 2269, "rev_number": 2, "files": [ { "id": "/id/file/14156", "fileid": 14156, "datasetid": "document", "objectid": 2269, "filename": "Lindsley_jn_1953.pdf", "mime_type": "application/pdf", "filesize": 5388930, "mtime": "2012-12-26 02:38:31", "url": "/1494/1/Lindsley_jn_1953.pdf" } ], "eprint_id": 1494, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lindsley_jn_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Lindsley_jn_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19023" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19023" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19023" } ] } }, { "id": "/id/document/19023", "doc_id": 19023, "rev_number": 2, "files": [ { "id": "/id/file/14154", "fileid": 14154, "datasetid": "document", "objectid": 19023, "filename": "preview.png", "mime_type": "image/png", "hash": "2be5f34908cf5c234bab722d4713a7b8", "hash_type": "MD5", "filesize": 9940, "mtime": "2012-12-26 02:38:31", "url": "/1494/2/preview.png" } ], "eprint_id": 1494, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2269" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2269" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2269" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/94", "datestamp": "2003-04-25", "lastmod": "2023-05-25 18:26:44", "status_changed": "2009-09-25 02:05:54", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lindsley-Jack-Nathan", "name": { "family": "Lindsley", "given": "Jack Nathan" }, "show_email": "NO" } ] }, "title": "The Effect of Temperature Cycling on the Physical Properties of FS-1 Magnesium Alloy Sheet Metal", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An investigation was made of the effect of different cyclic heat treatments on the \"high rate\" creep and stress-strain characteristics of FS-lh magnesium alloy and 75S-T6 aluminum alloy sheet metal. The heat treatments to which the alloys were subjected consisted of a varying series of heating and cooling cycles such that the periods at heat treating temperature totaled 60 minutes. Temperatures investigated were 250[degrees] and 550[degrees]F. Following heat treatment, both tensile and creep tests were conducted at room temperature and at the temperature of heat treatment.\r\n\r\nThis thesis encompasses the investigation of FS-lh magnesium alloy, while the investigation of 75S-T6 aluminum alloy is covered in the current thesis of the author's co-worker(1).\r\n\r\nIt was found for the range of heat treatment cycling (1-20 cycles) and temperatures investigated, that there is no effect on the physical properties as a result of changing the number of heating cycles. Cyclic heat treatment at 550[degrees]F was the only treatment to result in a reduction of physical properties, and this only when tested at room temperature.\r\n\t\r\nIt was also found that, within the time range investigated, exposure time exhibits a negligible effect on the physical properties of the material. However, elevated temperatures affect the yield and ultimate properties.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04252003-081930", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04252003-081930", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-25", "doi": "10.7907/N1M2-JG59", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-25", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Lindsley, Jack Nathan" }, { "id": "/id/eprint/1537", "eprint_id": 1537, "rev_number": 10, "documents": [ { "id": "/id/document/2377", "doc_id": 2377, "rev_number": 2, "files": [ { "id": "/id/file/14708", "fileid": 14708, "datasetid": "document", "objectid": 2377, "filename": "Pardee_w_1953.pdf", "mime_type": "application/pdf", "filesize": 4244984, "mtime": "2012-12-26 02:39:01", "url": "/1537/1/Pardee_w_1953.pdf" } ], "eprint_id": 1537, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Pardee_w_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Pardee_w_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19117" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19117" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19117" } ] } }, { "id": "/id/document/19117", "doc_id": 19117, "rev_number": 2, "files": [ { "id": "/id/file/14706", "fileid": 14706, "datasetid": "document", "objectid": 19117, "filename": "preview.png", "mime_type": "image/png", "hash": "197bc25398d9dd7be4470ed27a4a699f", "hash_type": "MD5", "filesize": 8241, "mtime": "2012-12-26 02:39:01", "url": "/1537/2/preview.png" } ], "eprint_id": 1537, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2377" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2377" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2377" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/15/37", "datestamp": "2003-04-29", "lastmod": "2023-05-25 20:32:12", "status_changed": "2009-09-25 02:07:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Pardee-William-McKnight", "name": { "family": "Pardee", "given": "William McKnight" }, "show_email": "NO" } ] }, "title": "Variation of Burning Velocity with Pressure", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A review of some of the recent theories of steady state flame propagation in gaseous mixtures reveals a considerable difference in their prediction of the effect of pressure on burning velocity. Furthermore, the experimental data obtained by various workers in the field indicate widely different trends. In some cases burning velocity appears to be independent of pressure whereas in other cases it appears to increase as the pressure is reduced below atmospheric. Hence, as a possible aid in discovering more about the mechanism of flame propagation, the burning velocity of several gaseous mixtures was studied over the general pressure range from 100 to 700 mm Hg absolute.\r\n\r\nThe mixtures used were acetylene-oxygen, acetylene-air, acetylene-oxygen-nitrogen, ammonia-oxygen, ammonia-oxygen-nitrogen, carbon monoxide-oxygen, carbon monoxide-air, and propane-air. Using the burner-visual cone-area method with burners of various sizes, the following results were obtained: for all the above mixtures, except propane-air, the burning velocity is independent of pressure; for propane-air mixtures, the burning velocity varies as P[superscript -.13]. These results are valid provided the burner size is large enough to nullify the effect of quenching.\r\n\r\nIt is concluded that these results definitely do not support the Tanford and Pease theory that burning velocity varies as P[superscript -.25].", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04292003-095800", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04292003-095800", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-29", "doi": "10.7907/C95P-BV39", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-29", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Pardee, William McKnight" }, { "id": "/id/eprint/1463", "eprint_id": 1463, "rev_number": 10, "documents": [ { "id": "/id/document/2230", "doc_id": 2230, "rev_number": 2, "files": [ { "id": "/id/file/13901", "fileid": 13901, "datasetid": "document", "objectid": 2230, "filename": "Poorman_hr_1953.pdf", "mime_type": "application/pdf", "filesize": 2185479, "mtime": "2012-12-26 02:38:19", "url": "/1463/1/Poorman_hr_1953.pdf" } ], "eprint_id": 1463, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Poorman_hr_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Poorman_hr_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18984" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18984" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18984" } ] } }, { "id": "/id/document/18984", "doc_id": 18984, "rev_number": 2, "files": [ { "id": "/id/file/13899", "fileid": 13899, "datasetid": "document", "objectid": 18984, "filename": "preview.png", "mime_type": "image/png", "hash": "1123661da3c3e80aa5b66a9f1d374b69", "hash_type": "MD5", "filesize": 9065, "mtime": "2012-12-26 02:38:19", "url": "/1463/2/preview.png" } ], "eprint_id": 1463, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2230" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2230" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2230" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/63", "datestamp": "2003-04-23", "lastmod": "2023-05-25 20:40:59", "status_changed": "2009-09-25 02:05:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Poorman-Herbert-R", "name": { "family": "Poorman", "given": "Herbert R." }, "show_email": "NO" } ] }, "title": "Some Experimental Studies of Laminar Burning Velocity", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "One of the important physical parameters in flame propagation is the laminar burning velocity. A great many experimental measurements of the burning velocity have been made using a variety of experimental techniques. Furthermore, the problem has been studied theoretically by a number of different investigators. Extensive references to the original literature may be found in the books by Lewis and von Elbe(1) and by Jost(2).\r\n\r\nThis thesis is concerned with experimental studies of flame propagation in acetylene-oxygen systems containing the inert gases argon, carbon dioxide, helium, and nitrogen. These studies are introduced with a survey of experimental techniques for measuring the laminar burning velocity in premixed gases. Next, some new experimental measurements obtained by use of a small burner tube at atmospheric pressure are described. The new data are interpreted qualitatively by utilizing a thermal theory of laminar flame propagation.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04232003-091500", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04232003-091500", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-23", "doi": "10.7907/J2N7-T584", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-23", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Poorman, Herbert R." }, { "id": "/id/eprint/1462", "eprint_id": 1462, "rev_number": 10, "documents": [ { "id": "/id/document/2229", "doc_id": 2229, "rev_number": 2, "files": [ { "id": "/id/file/13894", "fileid": 13894, "datasetid": "document", "objectid": 2229, "filename": "Fernandez,C_1953.pdf", "mime_type": "application/pdf", "filesize": 1506048, "mtime": "2012-12-26 02:38:18", "url": "/1462/1/Fernandez,C_1953.pdf" } ], "eprint_id": 1462, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Fernandez,C_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Fernandez,C_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18983" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18983" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18983" } ] } }, { "id": "/id/document/18983", "doc_id": 18983, "rev_number": 2, "files": [ { "id": "/id/file/13892", "fileid": 13892, "datasetid": "document", "objectid": 18983, "filename": "preview.png", "mime_type": "image/png", "hash": "3c552162237e6dcd5777ca01eaa4560a", "hash_type": "MD5", "filesize": 11235, "mtime": "2012-12-26 02:38:18", "url": "/1462/2/preview.png" } ], "eprint_id": 1462, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2229" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2229" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2229" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/62", "datestamp": "2003-04-23", "lastmod": "2023-05-18 23:17:23", "status_changed": "2009-09-25 02:05:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fern\u00e1ndez-Raymond-Caesar", "name": { "family": "Fern\u00e1ndez", "given": "Raymond Caesar" }, "show_email": "NO" } ] }, "title": "Use of a Sampling Feedback System for Stabilization of Low Frequency Oscillations in Liquid Monopropellant Rocket Motors", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Instability in liquid monopropellant rocket motors may be corrected by the use of a feedback servomechanism. This mechanism consists essentially of a pressure pickup which senses pressure oscillations in the combustion chamber, an amplifier and a variable capacitance in the feed line. It is shown that a feedback system with an arbitrary sampling circuit which causes the capacitance in the line to complete its own cycle of variation once for every several cycles of combustion pressure oscillations can be made to stabilize the oscillations for all values of combustion time lag for a particular motor. It is believed that this system of stabilization may be applied to monopropellant motors in general.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04232003-090202", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04232003-090202", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-23", "doi": "10.7907/PZEC-N445", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-23", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Fern\u00e1ndez, Raymond Caesar" }, { "id": "/id/eprint/1446", "eprint_id": 1446, "rev_number": 12, "documents": [ { "id": "/id/document/2205", "doc_id": 2205, "rev_number": 2, "files": [ { "id": "/id/file/13749", "fileid": 13749, "datasetid": "document", "objectid": 2205, "filename": "Curran_dc_1953.pdf", "mime_type": "application/pdf", "filesize": 12897241, "mtime": "2012-12-26 02:38:11", "url": "/1446/1/Curran_dc_1953.pdf" } ], "eprint_id": 1446, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Curran_dc_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Curran_dc_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18960" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18960" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18960" } ] } }, { "id": "/id/document/18960", "doc_id": 18960, "rev_number": 2, "files": [ { "id": "/id/file/13747", "fileid": 13747, "datasetid": "document", "objectid": 18960, "filename": "preview.png", "mime_type": "image/png", "hash": "b56ea08fafa878007c2b340d4f5da43d", "hash_type": "MD5", "filesize": 9274, "mtime": "2012-12-26 02:38:11", "url": "/1446/2/preview.png" } ], "eprint_id": 1446, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2205" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2205" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2205" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/46", "datestamp": "2003-04-22", "lastmod": "2023-05-17 22:57:09", "status_changed": "2009-09-25 02:04:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Curran-Donald-Charles", "name": { "family": "Curran", "given": "Donald Charles" }, "show_email": "NO" } ] }, "title": "An Experimental Study of the Stability of Laminar Flame", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Knowledge of laminar flame front structure is insufficient to make exact stability calculations possible. The analysis of Landau(1) indicated flame front instability under all conditions. Semi-empirical corrections to Landau's result by Markstein(2) demonstrated that a cellular flame front structure that Markstein observed experimentally might be a stable configuration. Karlovitz(3) has proposed that there is a significant additional amount of turbulence produced in turbulent flames over that found in the upstream flow. Of particular significance is the question of whether or not a flame may take on a turbulent structure in the absence of upstream turbulence.\r\n\r\nTherefore explorations concerning the conditions under which a laminar flame might become unstable were undertaken by burning premixed propane and air using a spherical flame holder.\r\n\r\nThe resulting conical flame had annular waves develop in the flame front a short distance downstream from the flame holder. This distance decreased as fuel-air ratio was decreased and as gas mixture flow velocity increased. Lean high velocity flames showed a parallel result in the amplitude of the wave formed - the wave in this case developing to a large amplitude in a short distance with a tendency to roll up.\r\n\r\nAnother result of the investigation was that a fairly uniform wavelength of 0.27 in. was observed even though mixture, flame holder size and flow rate were varied.\r\n\r\nThe introduction of a small external turbulence source upstream of the flame front disturbed the flame - the amount of disturbance increasing with Reynolds' number of the turbulence source and with fuel-air equivalence ratio.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04222003-101645", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04222003-101645", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-22", "doi": "10.7907/6W88-7713", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-22", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Curran, Donald Charles" }, { "id": "/id/eprint/1461", "eprint_id": 1461, "rev_number": 11, "documents": [ { "id": "/id/document/2228", "doc_id": 2228, "rev_number": 2, "files": [ { "id": "/id/file/13887", "fileid": 13887, "datasetid": "document", "objectid": 2228, "filename": "Elliott_bh_1953.pdf", "mime_type": "application/pdf", "filesize": 2861544, "mtime": "2012-12-26 02:38:18", "url": "/1461/1/Elliott_bh_1953.pdf" } ], "eprint_id": 1461, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Elliott_bh_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Elliott_bh_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18982" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18982" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18982" } ] } }, { "id": "/id/document/18982", "doc_id": 18982, "rev_number": 2, "files": [ { "id": "/id/file/13885", "fileid": 13885, "datasetid": "document", "objectid": 18982, "filename": "preview.png", "mime_type": "image/png", "hash": "0f26b51f4606d8ae4e468c1c0b2393e7", "hash_type": "MD5", "filesize": 16932, "mtime": "2012-12-26 02:38:18", "url": "/1461/2/preview.png" } ], "eprint_id": 1461, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2228" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2228" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2228" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/61", "datestamp": "2003-04-23", "lastmod": "2023-05-18 23:08:20", "status_changed": "2009-09-25 02:05:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Elliott-Benton-Holford", "name": { "family": "Elliott", "given": "Benton Holford" }, "show_email": "NO" } ] }, "title": "Spectroscopic Studies of OH in Flames. I. Theoretical Investigations of Distortions Produced by Temperature Gradients, Self-Absorption and Changes in Spectral Line-Shape. II. Experimental Studies on Acetylene-Oxygen Flames Burning at Atmospheric Pressure", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A theoretical investigation has been made to determine quantitatively the effects of temperature gradients, self-absorption, and spectral line-shape on the apparent rotational temperatures of OH.\r\n\r\nEmission experiments have been performed on the inner cone and on the outer cone of an oxygen-acetylene flame to determine the rotational temperature of the upper energy state of OH.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04232003-083315", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04232003-083315", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-04-23", "doi": "10.7907/Y37J-RF90", "alt_title": { "items": [ "Theoretical Investigations of Distortions Produced by Temperature Gradients, Self-Absorption and Changes in Spectral Line-Shape", "Experimental Studies on Acetylene-Oxygen Flames Burning at Atmospheric Pressure" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-23", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-04-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Elliott, Benton Holford" }, { "id": "/id/eprint/1540", "eprint_id": 1540, "rev_number": 10, "documents": [ { "id": "/id/document/2380", "doc_id": 2380, "rev_number": 2, "files": [ { "id": "/id/file/14729", "fileid": 14729, "datasetid": "document", "objectid": 2380, "filename": "Dayman_b_1953.pdf", "mime_type": "application/pdf", "filesize": 27240292, "mtime": "2012-12-26 02:39:02", "url": "/1540/1/Dayman_b_1953.pdf" } ], "eprint_id": 1540, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dayman_b_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Dayman_b_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19120" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19120" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19120" } ] } }, { "id": "/id/document/19120", "doc_id": 19120, "rev_number": 2, "files": [ { "id": "/id/file/14727", "fileid": 14727, "datasetid": "document", "objectid": 19120, "filename": "preview.png", "mime_type": "image/png", "hash": "72f7546f5cf22d8d2a712cd337fc1d81", "hash_type": "MD5", "filesize": 8825, "mtime": "2012-12-26 02:39:02", "url": "/1540/2/preview.png" } ], "eprint_id": 1540, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2380" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2380" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2380" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/15/40", "datestamp": "2003-05-06", "lastmod": "2023-05-18 22:19:46", "status_changed": "2009-09-25 02:07:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dayman-Bain", "name": { "family": "Dayman", "given": "Bain" }, "show_email": "NO" } ] }, "title": "Experimental Aerodynamics of a Two-Dimensional Sail", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Some basic low-speed aerodynamic characteristics of a two-dimensional sail located between endplates were obtained during these investigations for two sail sizes. The effects of the amount of camber (resulting from variation of the slack in the sail) upon the lift, drag, and pitching moment of a sail constituted the major portion of these investigations. A limited study on the advantages of a sail with a jib was made for one particular jib location and camber.\r\n\r\nIdeally, the results should be independent of sail size. The results of these investigations, although not quite identical, are consistent for the two sail sizes. As the camber (measured in percent of length of the sail perpendicular to the leading edge) increased from zero to 10%, the maximum lift increased from 0.92 to a maximum of 1.7 and remained fairly constant as the camber increased to 23%, then it decreased to 1.5 as the camber further increased to 27%. The maximum ratio of lift to drag at maximum lift occurred at 7% camber. The addition of the jib did not affect the maximum lift relationship with the camber, but it did increase the lift to drag ratio at maximum lift.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-04292003-113154", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04292003-113154", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-06", "doi": "10.7907/7GWF-WA96", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-04-29", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Dayman, Bain" }, { "id": "/id/eprint/1691", "eprint_id": 1691, "rev_number": 10, "documents": [ { "id": "/id/document/2690", "doc_id": 2690, "rev_number": 2, "files": [ { "id": "/id/file/16507", "fileid": 16507, "datasetid": "document", "objectid": 2690, "filename": "Robison_wc_1953.pdf", "mime_type": "application/pdf", "filesize": 1674471, "mtime": "2012-12-26 02:40:49", "url": "/1691/1/Robison_wc_1953.pdf" } ], "eprint_id": 1691, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Robison_wc_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Robison_wc_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19428" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19428" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19428" } ] } }, { "id": "/id/document/19428", "doc_id": 19428, "rev_number": 2, "files": [ { "id": "/id/file/16505", "fileid": 16505, "datasetid": "document", "objectid": 19428, "filename": "preview.png", "mime_type": "image/png", "hash": "636fb44ac769871c5d9a3ed453e6d5c0", "hash_type": "MD5", "filesize": 9259, "mtime": "2012-12-26 02:40:49", "url": "/1691/2/preview.png" } ], "eprint_id": 1691, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2690" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2690" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2690" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/16/91", "datestamp": "2003-05-09", "lastmod": "2023-05-25 21:22:35", "status_changed": "2009-09-25 02:12:10", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Robison-William-Clay", "name": { "family": "Robison", "given": "William Clay" }, "show_email": "NO" } ] }, "title": "Properties of Ethylene Oxide and Hydrazine Related to their Use as Propellants", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nPART I. Ethylene Oxide as a Monopropellant.\r\n\r\nThermodynamic calculations to determine the theoretical performance of ethylene oxide as a monopropellant have been carried out for various possible decomposition reactions. A survey of the literature on the kinetics of the thermal decomposition of ethylene oxide is presented.\r\n\r\nPART II. Experimental Measurement of the Heats of Dissociation of Hydrazine - Water and Hydrazine - Alcohol Systems.\r\n\r\nA glass apparatus has been constructed for determining heats of dissociation at low temperatures. Published data on hydrazine-water mixtures have been checked. The heat of dissociation of N[subscript2] H[subscript 4][...]CH[subscript 3]OH has been found to be 8.62 Kcals/mole.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05092003-093602", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05092003-093602", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-09", "doi": "10.7907/QHQT-NG37", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-09", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Robison, William Clay" }, { "id": "/id/eprint/1739", "eprint_id": 1739, "rev_number": 10, "documents": [ { "id": "/id/document/2812", "doc_id": 2812, "rev_number": 2, "files": [ { "id": "/id/file/17142", "fileid": 17142, "datasetid": "document", "objectid": 2812, "filename": "Robinson_wp_1953.pdf", "mime_type": "application/pdf", "filesize": 3971299, "mtime": "2012-12-26 02:41:29", "url": "/1739/1/Robinson_wp_1953.pdf" } ], "eprint_id": 1739, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Robinson_wp_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Robinson_wp_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19536" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19536" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19536" } ] } }, { "id": "/id/document/19536", "doc_id": 19536, "rev_number": 2, "files": [ { "id": "/id/file/17140", "fileid": 17140, "datasetid": "document", "objectid": 19536, "filename": "preview.png", "mime_type": "image/png", "hash": "464cf91a83075b66fa0f5476627518c8", "hash_type": "MD5", "filesize": 9866, "mtime": "2012-12-26 02:41:29", "url": "/1739/2/preview.png" } ], "eprint_id": 1739, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2812" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2812" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2812" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/17/39", "datestamp": "2003-05-13", "lastmod": "2023-05-25 21:19:30", "status_changed": "2009-09-25 02:14:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Robinson-Winthrop-Pratt", "name": { "family": "Robinson", "given": "Winthrop Pratt" }, "show_email": "NO" } ] }, "title": "The Effect of Temperature Ccycling on the Physical Properties of 75S-T6 Aluminum Alloy Sheet Metal", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThis thesis is a report on the results of an experimental investigation into the effects of cyclic heating and cooling prior to testing on the tensile and creep properties of aluminum alloy 75S-T6 Alclad sheet. A similar investigation concerning magnesium alloy sheet is described by J. N. Lindsley in Reference 1.\r\n\r\nSpecimens of 75S-T6 Alclad sheet were cyclically heated in an electric oven to either 250 [degrees] F or 550 [degrees] F and cooled to 100 [degrees] F. All specimens remained at elevated temperature an aggregate of 60 minutes , with the number of cycles during the hour varying from one to twenty. Tensile tests and short time creep tests (6 minutes) were performed at room temperature and at the temperature of heat treatment.\r\n\r\nIt was found that at room and elevated temperatures the modulus of elasticity and 0.2 per cent yield strength were essentially independent of the number of heating cycles, as were the minimum creep rates at room temperature and at 250 [degrees] F. The minimum creep rate at 550 [degrees] F increased exponentially with the number of cycles. Specimens heat treated at 550 [degrees] F and creep tested at room temperature showed practically no creep at any stress in six minutes.\r\n\r\nWithout regard to the cycling, the 0.2 per cent yield strength at room temperature was relatively unaffected by the 250 [degree] F heat treatment, but was reduced by a factor of four or more by the 550 [degree] F heat treatment. The modulus of elasticity at room temperature after either heat treatment remained very near the value for the untreated material at room temperature. Values from test conducted at elevated temperatures have been given in reports of previous investigations.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05122003-121943", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05122003-121943", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-13", "doi": "10.7907/GEHN-V977", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-12", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Robinson, Winthrop Pratt" }, { "id": "/id/eprint/1740", "eprint_id": 1740, "rev_number": 9, "documents": [ { "id": "/id/document/2813", "doc_id": 2813, "rev_number": 2, "files": [ { "id": "/id/file/17149", "fileid": 17149, "datasetid": "document", "objectid": 2813, "filename": "Beyer_dd_1953.pdf", "mime_type": "application/pdf", "filesize": 3481354, "mtime": "2012-12-26 02:41:29", "url": "/1740/1/Beyer_dd_1953.pdf" } ], "eprint_id": 1740, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Beyer_dd_1953.pdf", "language": "en", "security": "public", "license": "other", "main": "Beyer_dd_1953.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19537" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19537" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19537" } ] } }, { "id": "/id/document/19537", "doc_id": 19537, "rev_number": 2, "files": [ { "id": "/id/file/17147", "fileid": 17147, "datasetid": "document", "objectid": 19537, "filename": "preview.png", "mime_type": "image/png", "hash": "bfee1fe1e7a54ccc893009f9dc5f0fde", "hash_type": "MD5", "filesize": 10038, "mtime": "2012-12-26 02:41:29", "url": "/1740/2/preview.png" } ], "eprint_id": 1740, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2813" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2813" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2813" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/17/40", "datestamp": "2003-05-13", "lastmod": "2023-05-17 22:27:54", "status_changed": "2009-09-25 02:14:12", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Beyer-David-Dean", "name": { "family": "Beyer", "given": "David Dean" }, "show_email": "NO" } ] }, "title": "Economic Possibilities of Long Range Commercial Rocket Transports", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "In recent publications the economic aspects of both subsonic and supersonic jet transports have been discussed in some detail. Though the high subsonic speed turbojet transport, with some restrictions on range, was found to be of interest economically, no reasonable economic case was found for the supersonic jet transport utilizing either turbojet or ramjet engines. These calculations were made, however, with the assumption of a conventional level flight path. The purpose of this study is to investigate the possibility of using a rocket motor for propulsion of a supersonic transport flying a ballistic trajectory, with the hope that the direct operating expense can be reduced to a value comparable to that of subsonic transports, and thus to indicate the economic feasibility of such high speed transports.\r\n\r\nIt is shown that direct operating costs of rocket motored transports can be less than those indicated for the turbojet and ramjet transports, and in some cases, even approach the cost of operating currently proposed subsonic turbojet engine powered transports. Also the operating ranges can be extended beyond those possible with the supersonic jet transports postulated.\r\n\r\nThe flight technique used is one which allows the high thrust of the rocket motor to produce sufficient kinetic energy in the vehicle to permit it to coast and glide the desired range.\r\n\r\nPerformance is calculated with consideration given to endurance to acceleration limits imposed by human occupants. It is shown that payload optimization decreases design acceleration to a point that the human endurance is not the limiting factor. Weight breakdowns for the major components of the airplane are made, and costs computed are based on Air Transportation Association formulas given for the purpose of comparing operating costs of various proposed aircraft.", "date": "1953", "date_type": "degree", "id_number": "CaltechETD:etd-05122003-122930", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05122003-122930", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-13", "doi": "10.7907/4YV8-MX65", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-12", "thesis_defense_date": "1953-01-01", "thesis_approved_date": "2003-05-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1953", "author_list": "Beyer, David Dean" }, { "id": "/id/eprint/1214", "eprint_id": 1214, "rev_number": 9, "documents": [ { "id": "/id/document/1838", "doc_id": 1838, "rev_number": 2, "files": [ { "id": "/id/file/11527", "fileid": 11527, "datasetid": "document", "objectid": 1838, "filename": "Gaibler_r_1952.pdf", "mime_type": "application/pdf", "filesize": 43713697, "mtime": "2012-12-26 02:36:20", "url": "/1214/1/Gaibler_r_1952.pdf" } ], "eprint_id": 1214, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gaibler_r_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Gaibler_r_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18618" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18618" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18618" } ] } }, { "id": "/id/document/18618", "doc_id": 18618, "rev_number": 2, "files": [ { "id": "/id/file/11525", "fileid": 11525, "datasetid": "document", "objectid": 18618, "filename": "preview.png", "mime_type": "image/png", "hash": "8c169aa2ff9fe28f1050f27d6d706ebd", "hash_type": "MD5", "filesize": 7825, "mtime": "2012-12-26 02:36:20", "url": "/1214/2/preview.png" } ], "eprint_id": 1214, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1838" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1838" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1838" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/14", "datestamp": "2009-03-30", "lastmod": "2023-05-11 20:07:11", "status_changed": "2009-09-25 01:57:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gaibler-Richard", "name": { "family": "Gaibler", "given": "Richard" }, "show_email": "NO" } ] }, "title": "Column Creep of 75S-T6 Aluminum Alloy", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This thesis is a report of the results of the column phase of a three part experimental investigation of short time creep properties of light metal alloys under conditions of high loadings and elevated temperatures. The other parts of the investigation were concerned with creep properties of these alloys in tension and in compression. The former is described by R. J. Kauffman; the latter by R. C. Thatcher (Refs. 11 and 12).\r\n\r\nCreep characteristics of 75S-T6 aluminum alloy columns having various effective slenderness ratios were investigated at 450\u00b0F and 550\u00b0F. Of primary interest was the region of applied stresses near the maximum stresses which these columns would sustain. Lateral creep deflection of the column midpoint was measured. Coincident with this measurement, time to failure of the column was also measured. Columns tested at 550\u00b0F had rectangular cross sections and had effective slenderness ratios of 25.5, 39.9, 48.6 and 57.2. Columns tested at 450\u00b0F. had rectangular cross sections and had effective slenderness ratios of 25.5, 48.6 and 57.2.\r\n\r\nTesting equipment was designed and constructed for the investigation. A constant load was applied to the specimen by means of a lever arm having a ten to one mechanical advantage. The specimen was heated in an electric oven. The oven was maintained at temperature by automatic electrical control.\r\n\r\nIt was found that 75S-T6 aluminum alloy columns having effective slenderness ratios of 25.5 to 57.2 are suitable for short time (0 - 10 min.) use at 450\u00b0F and 550\u00b0F.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-084055", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-084055", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/DTB9-Y232", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Gaibler, Richard" }, { "id": "/id/eprint/1215", "eprint_id": 1215, "rev_number": 10, "documents": [ { "id": "/id/document/1839", "doc_id": 1839, "rev_number": 2, "files": [ { "id": "/id/file/11534", "fileid": 11534, "datasetid": "document", "objectid": 1839, "filename": "Wallace_re_1952.pdf", "mime_type": "application/pdf", "filesize": 96321047, "mtime": "2012-12-26 02:36:20", "url": "/1215/1/Wallace_re_1952.pdf" } ], "eprint_id": 1215, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wallace_re_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Wallace_re_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18619" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18619" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18619" } ] } }, { "id": "/id/document/18619", "doc_id": 18619, "rev_number": 2, "files": [ { "id": "/id/file/11532", "fileid": 11532, "datasetid": "document", "objectid": 18619, "filename": "preview.png", "mime_type": "image/png", "hash": "3db3cfd62ee069f979dd2ed1dd584186", "hash_type": "MD5", "filesize": 9212, "mtime": "2012-12-26 02:36:20", "url": "/1215/2/preview.png" } ], "eprint_id": 1215, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1839" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1839" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1839" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/15", "datestamp": "2009-03-31", "lastmod": "2023-05-16 23:52:46", "status_changed": "2009-09-25 01:57:31", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wallace-Richard-Earl", "name": { "family": "Wallace", "given": "Richard Earl" }, "show_email": "NO" } ] }, "title": "Low-Speed Investigation of a Double Wedge Airfoil with a Leading-Edge Slat", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\n\r\nA two-dimensional investigation was undertaken in the California Institute of Technology Merrill Wind Tunnel to determine the effectiveness of using a 15% slat on a 10% double wedge airfoil. The investigation was conducted in three phases: force polars, pressure tests, and tuft pattern studies. All phases were conducted at a dynamic pressure of 40 lb/ft[superscript 2], equivalent to a Reynolds number of 0.78 x 10[superscript 6].\r\n\r\nThe high lift characteristics of the double wedge airfoil with the slat were found to be aerodynamically superior to those of the basic wedge section and the wedge equipped with a plain nose flap. Extension of the leading edge slat caused increases in maximum lift coefficients and in the angle of attack required for maximum lift. The following increments were measured.\r\n\r\n[\u2026].\r\n\r\nThe nose deflection produced larger [\u2026] max increments than the slot variations below nose angles of 25\u00b0 but for 25\u00b0 and larger angles the slot variations caused the major improvements in [\u2026]. The slot prevented occurrence of buffeting caused by upper surface intermittent or oscillatory separation experienced with the plain nose flap.\r\n\r\nIn all of the cases tested with the slat extended, the stall was more gradual than for the basic section. The stall for the optimum slot conditions was the result of trailing edge separation moving forward over the upper surface of the airfoil.\r\n", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-084539", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-084539", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/NJPD-HF21", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-06-01", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Wallace, Richard Earl" }, { "id": "/id/eprint/1216", "eprint_id": 1216, "rev_number": 9, "documents": [ { "id": "/id/document/1840", "doc_id": 1840, "rev_number": 2, "files": [ { "id": "/id/file/11541", "fileid": 11541, "datasetid": "document", "objectid": 1840, "filename": "Weinberg_we_1952.pdf", "mime_type": "application/pdf", "filesize": 6161751, "mtime": "2012-12-26 02:36:21", "url": "/1216/1/Weinberg_we_1952.pdf" } ], "eprint_id": 1216, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Weinberg_we_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Weinberg_we_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18620" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18620" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18620" } ] } }, { "id": "/id/document/18620", "doc_id": 18620, "rev_number": 2, "files": [ { "id": "/id/file/11539", "fileid": 11539, "datasetid": "document", "objectid": 18620, "filename": "preview.png", "mime_type": "image/png", "hash": "f4d73674bcb3234f419ac8fea397177a", "hash_type": "MD5", "filesize": 8692, "mtime": "2012-12-26 02:36:21", "url": "/1216/2/preview.png" } ], "eprint_id": 1216, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1840" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1840" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1840" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/16", "datestamp": "2009-03-31", "lastmod": "2023-05-17 00:04:46", "status_changed": "2009-09-25 01:57:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Weinberg-Warren-E", "name": { "family": "Weinberg", "given": "Warren E." }, "show_email": "NO" } ] }, "title": "Initial Motion of a Rocket Moving on a Stretched Cable", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The practicability of using a stretched cable for a rocket launching device is dependent primarily upon the transverse movement of the rocket and the stresses involved in the system. This requires analysis of the effects of the moving rocket mass on the cable from the instant of contact, and the problem reduces to one of wave propagation.\r\n\r\nThe analysis here is restricted essentially to developing a procedure by which the initial motion of the mass can be calculated, and an expression is obtained which permits determination of the deflections. The problem is approached by first assuming that the mass exerts a constant transverse force on the cable. Admittedly, this is a simplifying assumption, and the result is not valid for the instant the mass hits the cable or for a short time thereafter because the inertia of the mass is not considered.\r\n\r\nNext, the problem is solved by taking into account the dynamics of the mass, and the solution reveals that the path of the actual mass deviates from the force path by as much as twenty percent during the initial motion but soon returns to the force path. The mass does not exert its full force on the cable at the instant of contact, but comes down on the cable with full force a short time later. Since maximum stresses on the system occur at this time, this factor is an important result of the analysis. Further, it is shown that increased velocity of the mass increases the deviation from the force path, and increased mass lengthens the time of return to the force path.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-090703", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-090703", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/NY23-GR26", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Weinberg, Warren E." }, { "id": "/id/eprint/1210", "eprint_id": 1210, "rev_number": 9, "documents": [ { "id": "/id/document/1834", "doc_id": 1834, "rev_number": 2, "files": [ { "id": "/id/file/11497", "fileid": 11497, "datasetid": "document", "objectid": 1834, "filename": "Robinson_ms_1952.pdf", "mime_type": "application/pdf", "filesize": 4918806, "mtime": "2012-12-26 02:36:19", "url": "/1210/1/Robinson_ms_1952.pdf" } ], "eprint_id": 1210, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Robinson_ms_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Robinson_ms_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18614" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18614" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18614" } ] } }, { "id": "/id/document/18614", "doc_id": 18614, "rev_number": 2, "files": [ { "id": "/id/file/11495", "fileid": 11495, "datasetid": "document", "objectid": 18614, "filename": "preview.png", "mime_type": "image/png", "hash": "18b7df0173bbe6ce2a1b57390fdee30c", "hash_type": "MD5", "filesize": 8114, "mtime": "2012-12-26 02:36:19", "url": "/1210/2/preview.png" } ], "eprint_id": 1210, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1834" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1834" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1834" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/10", "datestamp": "2009-03-30", "lastmod": "2023-05-16 22:12:07", "status_changed": "2009-09-25 01:57:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Robinson-Martin-Samuel", "name": { "family": "Robinson", "given": "Martin Samuel" }, "show_email": "NO" } ] }, "title": "A Ten Channel Statistical Analyzer for Use in Turbulence Research", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An experimental investigation of a stationary random process will involve the measurement of the mean values and probability distribution of a random function of time. This thesis describes an automatic ten channel \"statistical analyzer\" for measuring the probability distribution function of a continuous or discontinuous function of time that can be represented by a suitable electric voltage. The \"statistical analyzer\" is based upon a system of pulse amplitude modulation, followed by pulse height selection and pulse counting. An equation is developed by means of which the mean values can be computed from the distribution function. Finally, sample applications from the field of turbulence research are given.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-082004", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-082004", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/3BGC-7N43", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Robinson, Martin Samuel" }, { "id": "/id/eprint/1208", "eprint_id": 1208, "rev_number": 9, "documents": [ { "id": "/id/document/1832", "doc_id": 1832, "rev_number": 2, "files": [ { "id": "/id/file/11483", "fileid": 11483, "datasetid": "document", "objectid": 1832, "filename": "Nay_ho_1952.pdf", "mime_type": "application/pdf", "filesize": 6174918, "mtime": "2012-12-26 02:36:18", "url": "/1208/1/Nay_ho_1952.pdf" } ], "eprint_id": 1208, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Nay_ho_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Nay_ho_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18612" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18612" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18612" } ] } }, { "id": "/id/document/18612", "doc_id": 18612, "rev_number": 2, "files": [ { "id": "/id/file/11481", "fileid": 11481, "datasetid": "document", "objectid": 18612, "filename": "preview.png", "mime_type": "image/png", "hash": "eeb1abc013f4bc9df66173fb04b8b600", "hash_type": "MD5", "filesize": 3968, "mtime": "2012-12-26 02:36:18", "url": "/1208/2/preview.png" } ], "eprint_id": 1208, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1832" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1832" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1832" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/08", "datestamp": "2009-03-30", "lastmod": "2023-05-11 22:00:21", "status_changed": "2009-09-25 01:57:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Nay-Harvey-Orin", "name": { "family": "Nay", "given": "Harvey Orin" }, "show_email": "NO" } ] }, "title": "Low Speed Boundary Layer and Pressure Distribution Tests on a Family of Swept Back Wings", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Low-speed tests were conducted to determine boundary layer and surface pressure distribution characteristics of a systematic family of swept back wings. It is intended that the test results will have application in giving a better understanding of the viscous flow phenomena on swept back wings, particularly in relation to the stall. A general picture of the boundary layer flow and surface pressure distribution at high lift conditions, showing the effects of variations in wing planform, was determined. Several existing concepts were verified and an attempt was made to define the limits of applicability of these concepts.\r\n\r\nA localized separation of the flow perpendicular to the leading edge of the wing, hereinafter referred to as the \"normal flow\", was found to occur at lift coefficients somewhat below the stall on the wings with appreciable sweepback. The separation took the form of a vortex streak running aft and outboard from an origin near the leading edge, and it greatly affected the boundary layer structure and the surface pressure distribution.\r\n\r\nGeneralization of surface pressure distribution on the basis of the local lift coefficient and dynamic pressure for the normal flow was found to hold fairly well for the various sweepback angles.\r\n\r\nThe development of stall was determined for the various planforms in terms of boundary layer thickness and flow direction near the surface of the wing.\r\n\r\nGeneralization of the shape of the profiles of the normal boundary layer flow component in terms of a single family of shapes for all sweep-back angles, as suggested by other researchers, was shown to be possible.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-081125", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-081125", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/29BY-XV92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Nay, Harvey Orin" }, { "id": "/id/eprint/1217", "eprint_id": 1217, "rev_number": 9, "documents": [ { "id": "/id/document/1841", "doc_id": 1841, "rev_number": 2, "files": [ { "id": "/id/file/11548", "fileid": 11548, "datasetid": "document", "objectid": 1841, "filename": "Woodward_fa_1952.pdf", "mime_type": "application/pdf", "filesize": 7212095, "mtime": "2012-12-26 02:36:21", "url": "/1217/1/Woodward_fa_1952.pdf" } ], "eprint_id": 1217, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Woodward_fa_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Woodward_fa_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18621" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18621" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18621" } ] } }, { "id": "/id/document/18621", "doc_id": 18621, "rev_number": 2, "files": [ { "id": "/id/file/11546", "fileid": 11546, "datasetid": "document", "objectid": 18621, "filename": "preview.png", "mime_type": "image/png", "hash": "d4af8af3bb735a3085dadc1a5640e116", "hash_type": "MD5", "filesize": 9760, "mtime": "2012-12-26 02:36:21", "url": "/1217/2/preview.png" } ], "eprint_id": 1217, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1841" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1841" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1841" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/17", "datestamp": "2009-03-31", "lastmod": "2023-05-17 16:33:38", "status_changed": "2009-09-25 01:57:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Woodward-Frank-Arthur", "name": { "family": "Woodward", "given": "Frank Arthur" }, "show_email": "NO" } ] }, "title": "An Investigation of the Effect of the Muzzle on the Motion of the Projectile in a Recoilless Gun", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Expressions for the position and velocity of a projectile at any time in a recoilless gun are derived. The one dimensional wave equation is assumed to be valid in describing the motion of the gas. The muzzle velocity of the projectile is calculated, and compared with that obtained for the case in which no waves are reflected back from the muzzle. It is shown that the effect of the reflected waves is to increase the muzzle velocity. In the limiting case, when the ratio of the mass of gas initially in the barrel to the mass of the projectile is infinite, the theoretical muzzle velocity of the projectile is increased to twice the value that would be obtained if the effect of the reflected waves was neglected.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-091019", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-091019", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/928R-MD36", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Woodward, Frank Arthur" }, { "id": "/id/eprint/3376", "eprint_id": 3376, "rev_number": 11, "documents": [ { "id": "/id/document/5906", "doc_id": 5906, "rev_number": 2, "files": [ { "id": "/id/file/35110", "fileid": 35110, "datasetid": "document", "objectid": 5906, "filename": "Hartwig_fw-1952.pdf", "mime_type": "application/pdf", "filesize": 1283751, "mtime": "2012-12-26 02:59:29", "url": "/3376/1/Hartwig_fw-1952.pdf" } ], "eprint_id": 3376, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hartwig_fw-1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Hartwig_fw-1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22446" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22446" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22446" } ] } }, { "id": "/id/document/22446", "doc_id": 22446, "rev_number": 2, "files": [ { "id": "/id/file/35108", "fileid": 35108, "datasetid": "document", "objectid": 22446, "filename": "preview.png", "mime_type": "image/png", "hash": "e10fd2aad4de080233fd7a1beed58a71", "hash_type": "MD5", "filesize": 8342, "mtime": "2012-12-26 02:59:29", "url": "/3376/2/preview.png" } ], "eprint_id": 3376, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/5906" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/5906" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/5906" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/33/76", "datestamp": "2004-09-08", "lastmod": "2023-05-04 23:32:34", "status_changed": "2009-09-25 02:57:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hartwig-Frederic-William", "name": { "family": "Hartwig", "given": "Frederic William" }, "show_email": "NO" } ] }, "title": "The Evaporation Rate of Liquid Droplets in a Hot Gas", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Calculations have been carried out in order to determine the rate of evaporation of a liquid droplet surrounded by hot gases. The present study represents an extension of earlier work by Penner on evaporation rates for isothermal droplets. Thus, allowance was made for temperature gradients withing the droplet (a) by considering a droplet composed of an isothermal core and an isothermal shell and (b) by utilizing the actual termperature profile in the droplet as established as the result of a heat balance between thermal conduction within the droplet, convective heat transfer to the droplet, and cooling produced by evaporation at the droplet surface.\r\n\r\nThe results obtained for the shell model of the evaporating droplet were found to be in satisfactory agreement with the known data for evaporations of isothermal droplets, independently of the thickness chosen for the isothermal shells. On the other hand, the laborious conduction solution led to somewhat different results. The origin of the detailed deviations is not clear at this time and requires additional study.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-09082004-114120", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09082004-114120", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-09-08", "doi": "10.7907/NY38-9J57", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" }, { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-09-08", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2004-09-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Hartwig, Frederic William" }, { "id": "/id/eprint/1205", "eprint_id": 1205, "rev_number": 11, "documents": [ { "id": "/id/document/1829", "doc_id": 1829, "rev_number": 2, "files": [ { "id": "/id/file/11461", "fileid": 11461, "datasetid": "document", "objectid": 1829, "filename": "Kauffman_rj_1952.pdf", "mime_type": "application/pdf", "filesize": 9768047, "mtime": "2012-12-26 02:36:17", "url": "/1205/1/Kauffman_rj_1952.pdf" } ], "eprint_id": 1205, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kauffman_rj_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Kauffman_rj_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18609" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18609" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18609" } ] } }, { "id": "/id/document/18609", "doc_id": 18609, "rev_number": 2, "files": [ { "id": "/id/file/11459", "fileid": 11459, "datasetid": "document", "objectid": 18609, "filename": "preview.png", "mime_type": "image/png", "hash": "e3ac7b2d728063a80956514a9492704f", "hash_type": "MD5", "filesize": 7636, "mtime": "2012-12-26 02:36:17", "url": "/1205/2/preview.png" } ], "eprint_id": 1205, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1829" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1829" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1829" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/05", "datestamp": "2009-03-30", "lastmod": "2023-05-11 20:45:09", "status_changed": "2009-09-25 01:57:16", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kauffman-Ralph-J", "name": { "family": "Kauffman", "given": "Ralph J." }, "show_email": "NO" } ] }, "title": "An Investigation of Creep in Light Metal Alloys", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An investigation was made of the creep characteristics of two aluminum alloys, 75S-T6 and 25S-T6, and one magnesium alloy, FS-1, under the conditions of high temperatures and high stresses. These alloys were selected as being representative of the light alloys in current use in the aircraft industry.
\r\n\r\nThis investigation was divided into three phases: (1) \"fast-rate\" deformation under tension, (2) creep of short columns in compression, and (3) lateral deflection creep of columns. This thesis encompasses only the first phase of the investigation. The other phases are covered by current theses by the author's coworkers.
\r\n\r\nIt was found that the aluminum alloys tested were superior in creep resistance to the magnesium alloy at the common temperatures used, 450\u00b0F and 500\u00b0F. However, the comparative creep resistance of the aluminum alloys was dependent upon the temperatures at which the alloys were compared: 75S-T6 being superior at 450\u00b0F, 25S-T6 at 500\u00b0F, and neither alloy superior to the other at 550\u00b0F.
\r\n\r\nThe possible use of the alloys tested for short duration under conditions of high temperatures and high stresses is noted.
\r\n\r\nThe data obtained is presented in both tabular and graphic form with various cross-plots provided for the purposes of cross comparison and to permit easy reference for obtaining given creep characteristics of the alloys tested.
\r\n", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-061536", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-061536", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/HB4M-3P19", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "chair" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "member" }, { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Kauffman, Ralph J." }, { "id": "/id/eprint/1125", "eprint_id": 1125, "rev_number": 9, "documents": [ { "id": "/id/document/1733", "doc_id": 1733, "rev_number": 2, "files": [ { "id": "/id/file/10781", "fileid": 10781, "datasetid": "document", "objectid": 1733, "filename": "Becker_jl_1952.pdf", "mime_type": "application/pdf", "filesize": 4642564, "mtime": "2012-12-26 02:35:39", "url": "/1125/1/Becker_jl_1952.pdf" } ], "eprint_id": 1125, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Becker_jl_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Becker_jl_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18513" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18513" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18513" } ] } }, { "id": "/id/document/18513", "doc_id": 18513, "rev_number": 2, "files": [ { "id": "/id/file/10779", "fileid": 10779, "datasetid": "document", "objectid": 18513, "filename": "preview.png", "mime_type": "image/png", "hash": "1b6d5bb66b37d5a2f2988b44e274ab58", "hash_type": "MD5", "filesize": 9579, "mtime": "2012-12-26 02:35:39", "url": "/1125/2/preview.png" } ], "eprint_id": 1125, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1733" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1733" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1733" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/25", "datestamp": "2009-03-25", "lastmod": "2023-05-10 22:36:22", "status_changed": "2009-09-25 01:55:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Becker-Jack-Lincoln", "name": { "family": "Becker", "given": "Jack Lincoln" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Ignition and Flame Stabilization in a Turbulent Mixing Zone", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present investigation constituted the first part of an attempt to isolate the essentials of flame stabilization behind a bluff body. It is thought by many that such a flame is initiated and stabilized by heat transfer, the diffusion of active chemical species, and the chemistry of the combustible mixture involved.\r\n\r\nThe ignition of a fresh combustible mixture by a hot stream of gas provides possibility for detailed study of flame stabilization because of heat transfer.\r\n\r\nResults indicate that the method followed herein to produce ignition resulted in the formation of two distinct types of flames. One flame seemed to be affected primarily by temperature, the other was affected by temperature, stream velocity and fuel-air ratio.\r\n\r\nThe work was carried on as part of a study of flame stabilization being conducted at the Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03252009-114335", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03252009-114335", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-25", "doi": "10.7907/BFQK-V510", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-25", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Becker, Jack Lincoln" }, { "id": "/id/eprint/1124", "eprint_id": 1124, "rev_number": 11, "documents": [ { "id": "/id/document/1732", "doc_id": 1732, "rev_number": 2, "files": [ { "id": "/id/file/10774", "fileid": 10774, "datasetid": "document", "objectid": 1732, "filename": "Mueller_g_1952.pdf", "mime_type": "application/pdf", "filesize": 39233697, "mtime": "2012-12-26 02:35:39", "url": "/1124/1/Mueller_g_1952.pdf" } ], "eprint_id": 1124, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mueller_g_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Mueller_g_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18512" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18512" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18512" } ] } }, { "id": "/id/document/18512", "doc_id": 18512, "rev_number": 2, "files": [ { "id": "/id/file/10772", "fileid": 10772, "datasetid": "document", "objectid": 18512, "filename": "preview.png", "mime_type": "image/png", "hash": "9601717e8dedb02f4d810fae9d43134e", "hash_type": "MD5", "filesize": 8785, "mtime": "2012-12-26 02:35:38", "url": "/1124/2/preview.png" } ], "eprint_id": 1124, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1732" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1732" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1732" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/24", "datestamp": "2009-03-25", "lastmod": "2023-05-11 21:56:21", "status_changed": "2009-09-25 01:55:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mueller-Gregg", "name": { "family": "Mueller", "given": "Gregg" }, "show_email": "NO" } ] }, "title": "Optimum Range of a Wingless Rocket About a Rotating Earth", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The motion of a wingless rocket in a vacuum about a spherical non-rotating earth describes the elliptic orbit of a material point of mass in a central field of force. The corrections for the rotation of the earth are applied to this solution to determine the effects on optimum range. Since there is no simple mathematical solution for optimizing the range, it is necessary to obtain ranges for several angles of elevation at each initial velocity and then find the optimum range by using interpolation formulas. Only the case of firing at the equator is computed although the formulas and the computational procedure outlined can be applied at any latitude.\r\n\r\nFiring to the East gives the greatest range for a given initial velocity and firing to the West gives the least range. The angle of elevation is lowest firing East and highest firing West, although for low velocities the difference is not great and for the 5,000 mph. solution a constant angle of elevation gives ranges varying at most only one-tenth of a mile from the maximum for any direction of fire. However, for the 15,000 mph. solution all the factors are critical in obtaining the maximum range.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03252009-111732", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03252009-111732", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-25", "doi": "10.7907/HHJS-QS62", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" }, { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-25", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Mueller, Gregg" }, { "id": "/id/eprint/1082", "eprint_id": 1082, "rev_number": 10, "documents": [ { "id": "/id/document/1659", "doc_id": 1659, "rev_number": 2, "files": [ { "id": "/id/file/10342", "fileid": 10342, "datasetid": "document", "objectid": 1659, "filename": "Dervishyan_ao_1952.pdf", "mime_type": "application/pdf", "filesize": 7097596, "mtime": "2012-12-26 02:35:11", "url": "/1082/1/Dervishyan_ao_1952.pdf" } ], "eprint_id": 1082, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dervishyan_ao_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Dervishyan_ao_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18439" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18439" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18439" } ] } }, { "id": "/id/document/18439", "doc_id": 18439, "rev_number": 2, "files": [ { "id": "/id/file/10340", "fileid": 10340, "datasetid": "document", "objectid": 18439, "filename": "preview.png", "mime_type": "image/png", "hash": "684b6b1843766675ab7337a62ac560d1", "hash_type": "MD5", "filesize": 8537, "mtime": "2012-12-26 02:35:11", "url": "/1082/2/preview.png" } ], "eprint_id": 1082, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1659" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1659" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1659" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/82", "datestamp": "2009-03-24", "lastmod": "2023-05-10 23:36:49", "status_changed": "2009-09-25 01:54:49", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dervishyan-Aram-Ohannes", "name": { "family": "Dervishyan", "given": "Aram Ohannes" }, "show_email": "NO" } ] }, "title": "Fatigue Stress Concentration Studies on Aluminum Alloys", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nFatigue tests in reversed bending were conducted in 75S-T6 and 17S-T6 aluminum alloys to determine whether Neuber's theory on fatigue stress concentration factors in notches was applicable to these materials. The results of the tests indicate confirmation of the theory within engineering accuracy providing the value of [\u2026] (a material constant) is determined experimentally.\r\n\r\nMaterial size effect was investigated and found to exist. This was an unexpected result since other sources (see References 3 and 4) indicated that no size effect existed for aluminum alloys.\r\n\r\nIgnoring the correction due to size effect a value of the Neuber's constant [\u2026] of approximately 0.05\" gave reasonable checks with the experimental data for both 75S-T6 and 17S-T6 aluminum alloys. This may indicate that this value of [\u2026] is the correct material constant for aluminum alloys but additional data on other alloys is needed to confirm this conclusion.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03232009-161109", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03232009-161109", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-24", "doi": "10.7907/4BCE-M652", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Hudson-D-E", "name": { "family": "Hudson", "given": "Donald E." }, "role": "advisor" }, { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-23", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Dervishyan, Aram Ohannes" }, { "id": "/id/eprint/1213", "eprint_id": 1213, "rev_number": 12, "documents": [ { "id": "/id/document/1837", "doc_id": 1837, "rev_number": 2, "files": [ { "id": "/id/file/11520", "fileid": 11520, "datasetid": "document", "objectid": 1837, "filename": "Thatcher_rc_1952.pdf", "mime_type": "application/pdf", "filesize": 35166451, "mtime": "2012-12-26 02:36:19", "url": "/1213/1/Thatcher_rc_1952.pdf" } ], "eprint_id": 1213, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Thatcher_rc_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Thatcher_rc_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18617" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18617" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18617" } ] } }, { "id": "/id/document/18617", "doc_id": 18617, "rev_number": 2, "files": [ { "id": "/id/file/11518", "fileid": 11518, "datasetid": "document", "objectid": 18617, "filename": "preview.png", "mime_type": "image/png", "hash": "08d88c2f4f2df88c31d8147f7f0122ab", "hash_type": "MD5", "filesize": 7943, "mtime": "2012-12-26 02:36:19", "url": "/1213/2/preview.png" } ], "eprint_id": 1213, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1837" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1837" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1837" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/13", "datestamp": "2009-03-31", "lastmod": "2023-05-16 23:31:59", "status_changed": "2009-09-25 01:57:26", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Thatcher-Roland-Churchill", "name": { "family": "Thatcher", "given": "Roland Churchill" }, "show_email": "NO" } ] }, "title": "Short Time Compressive Creep in 75S-T6 and 25S-T6 Aluminum Alloy Short Columns", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The creep characteristics of some of the light metal alloys at high temperature and stress were investigated when subject to; (1) Tension, (2) Short Column Compression, (3) Long Column effect. The tension and long column aspects are covered in the theses of R. I. Kauffman and R. Gaibler respectively. This thesis concerns the short-time creep of short columns of 25S-T6 and 75S-T6 aluminum alloy, subjected to large compressive loads, and temperatures of 450\u00b0, 500\u00b0, and 550\u00b0F. The columns were circular in cross section, and had an effective slenderness ratio of 25.5.
\r\n\r\nIt was found that 75S-T6 was superior to 25S-T6 at 450\u00b0F and, that at that temperature, 75S-T6 short columns could withstand a stress of 14,500 psi, however due to creep, failure occurred in approximately 45 seconds. At a temperature of 500\u00b0F, 25S-T6 was found to be superior, and withstood a stress of 11,000 psi for approximately 60 seconds before creep failure occurred. The load carrying ability of the two alloys was about the same at 550\u00b0F with both materials withstanding 8,000 psi for approximately 60 seconds.
\r\n\r\nIt is commonly believed that aluminum alloys are of little value at temperatures as high as 550\u00b0F, however contrary to this belief, this investigation shows that short columns of the two alloys tested can carry a large compression load if the time of duration is short.
\r\n", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-083614", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-083614", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/DFBM-7A50", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "advisor" }, { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Thatcher, Roland Churchill" }, { "id": "/id/eprint/1080", "eprint_id": 1080, "rev_number": 9, "documents": [ { "id": "/id/document/1657", "doc_id": 1657, "rev_number": 2, "files": [ { "id": "/id/file/10327", "fileid": 10327, "datasetid": "document", "objectid": 1657, "filename": "Arbo_pe_1952.pdf", "mime_type": "application/pdf", "filesize": 5350058, "mtime": "2012-12-26 02:35:10", "url": "/1080/1/Arbo_pe_1952.pdf" } ], "eprint_id": 1080, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Arbo_pe_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Arbo_pe_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18437" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18437" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18437" } ] } }, { "id": "/id/document/18437", "doc_id": 18437, "rev_number": 2, "files": [ { "id": "/id/file/10325", "fileid": 10325, "datasetid": "document", "objectid": 18437, "filename": "preview.png", "mime_type": "image/png", "hash": "d13b5dee5922a1d6e05a7fdd41b60db0", "hash_type": "MD5", "filesize": 8767, "mtime": "2012-12-26 02:35:10", "url": "/1080/2/preview.png" } ], "eprint_id": 1080, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1657" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1657" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1657" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/80", "datestamp": "2009-03-24", "lastmod": "2023-05-10 22:22:29", "status_changed": "2009-09-25 01:54:45", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Arbo-Paul-Edward", "name": { "family": "Arbo", "given": "Paul Edward" }, "show_email": "NO" } ] }, "title": "Burning Rate for a Solid Propellant Ramjet Developing Constant Tthrust", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An analysis of a solid propellant ramjet which carries the propellant in the combustion chamber was made, and a procedure outlined for calculating the required burning rate of such a ramjet which develops constant thrust. The two factors which influenced this development were:\r\n\r\n1) The solid propellant ramjet\u2019s combustion chamber varies in size with time due to burning of the fuel.\r\n2) The solid propellant ramjet develops constant thrust.\r\n\r\nThese factors were coordinated with the analysis of the internal flow system of the ramjet, and an expression for the required burning rate was derived.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03232009-150232", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03232009-150232", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-24", "doi": "10.7907/31B3-3W28", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-23", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Arbo, Paul Edward" }, { "id": "/id/eprint/1075", "eprint_id": 1075, "rev_number": 11, "documents": [ { "id": "/id/document/1652", "doc_id": 1652, "rev_number": 2, "files": [ { "id": "/id/file/10291", "fileid": 10291, "datasetid": "document", "objectid": 1652, "filename": "Holm_rj_1952.pdf", "mime_type": "application/pdf", "filesize": 40482913, "mtime": "2012-12-26 02:35:08", "url": "/1075/1/Holm_rj_1952.pdf" } ], "eprint_id": 1075, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Holm_rj_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Holm_rj_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18432" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18432" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18432" } ] } }, { "id": "/id/document/18432", "doc_id": 18432, "rev_number": 2, "files": [ { "id": "/id/file/10289", "fileid": 10289, "datasetid": "document", "objectid": 18432, "filename": "preview.png", "mime_type": "image/png", "hash": "0f2b6284d5240735fc4cf21e77cf7316", "hash_type": "MD5", "filesize": 11664, "mtime": "2012-12-26 02:35:08", "url": "/1075/2/preview.png" } ], "eprint_id": 1075, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1652" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1652" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1652" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/75", "datestamp": "2009-03-23", "lastmod": "2023-05-11 20:38:42", "status_changed": "2009-09-25 01:54:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Holm-Robert-Joseph", "name": { "family": "Holm", "given": "Robert Joseph" }, "show_email": "NO" } ] }, "title": "I. Integrated Intensity Measurements for Vibration-Rotation Bands of Carbon Dioxide. II. Total Absorptivity Measurements on Carbon Dioxide at Room Temperature", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "I. This study contains an outline of the experimental measurements performed in order to determine integrated intensities of various vibration-rotation bands of carbon dioxide by use of standard techniques with a Perkin-Elmer spectrometer.\r\n\r\nII. Total absorptivity measurements on carbon dioxide at room temperatures were made in a pressurized gas cell provided with transparent windows.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03232009-081744", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03232009-081744", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-23", "doi": "10.7907/RN61-AX46", "alt_title": { "items": [ "Integrated Intensity Measurements for Vibration-Rotation Bands of Carbon Dioxide", "Total Absorptivity Measurements on Carbon Dioxide at Room Temperature" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-23", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Holm, Robert Joseph" }, { "id": "/id/eprint/1074", "eprint_id": 1074, "rev_number": 11, "documents": [ { "id": "/id/document/1651", "doc_id": 1651, "rev_number": 2, "files": [ { "id": "/id/file/10283", "fileid": 10283, "datasetid": "document", "objectid": 1651, "filename": "Eriksen_ga_1952.pdf", "mime_type": "application/pdf", "filesize": 36986161, "mtime": "2012-12-26 02:35:08", "url": "/1074/1/Eriksen_ga_1952.pdf" } ], "eprint_id": 1074, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Eriksen_ga_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Eriksen_ga_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18431" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18431" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18431" } ] } }, { "id": "/id/document/18431", "doc_id": 18431, "rev_number": 2, "files": [ { "id": "/id/file/10281", "fileid": 10281, "datasetid": "document", "objectid": 18431, "filename": "preview.png", "mime_type": "image/png", "hash": "b78f9bcaf5e81520a2fa204fe85b720d", "hash_type": "MD5", "filesize": 8791, "mtime": "2012-12-26 02:35:08", "url": "/1074/2/preview.png" } ], "eprint_id": 1074, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1651" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1651" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1651" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/74", "datestamp": "2009-03-23", "lastmod": "2023-05-11 19:45:04", "status_changed": "2009-09-25 01:54:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Eriksen-George-August", "name": { "family": "Eriksen", "given": "George August" }, "show_email": "NO" } ] }, "title": "Investigation of Flame Velocities at Low Pressures", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The purpose of this study is to investigate flame velocities of mixtures of oxygen and various fuel gases at low pressures. Acetylene and propane fuels were used, and flame velocities were measured by means of flat disc flames and by means of the geometry of cone-shaped flames. Flame front area was measured from the profile defined by the onset of luminosity. The pressure range from three to one hundred mm. of mercury was covered by using two burner inlet ducts of different diameters, 2.37 and 1.25 inches respectively. The equipment and characteristics of the low pressure flame limited the data in this range, so that restricted quantitative results were obtained in regard to the variation of flame velocities with pressure.\r\n\r\nQualitatively, very definite variations were noted. There is a marked decrease of flame velocity with decreasing pressures in the regime below forty mm. of mercury. The variation in flame speed for the same pressure increments becomes greater as the pressure decreases. This is attributed to the rapid increase of the quenching effect from the inlet duct rim at these low pressures and low flow velocities. It is also found that flame velocities from flat flames are consistently lower than those obtained through the geometry of the cone flames. Similarly, flame velocities measured with the smaller inlet duct are consistently lower than those measured with the larger duct for the same measuring criteria. Both these variations appear to be explained by the large quenching effect encountered.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03232009-075003", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03232009-075003", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-23", "doi": "10.7907/NGNK-YA29", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-23", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Eriksen, George August" }, { "id": "/id/eprint/1030", "eprint_id": 1030, "rev_number": 10, "documents": [ { "id": "/id/document/1586", "doc_id": 1586, "rev_number": 2, "files": [ { "id": "/id/file/9872", "fileid": 9872, "datasetid": "document", "objectid": 1586, "filename": "Cox_dw_1952.pdf", "mime_type": "application/pdf", "filesize": 4444511, "mtime": "2012-12-26 02:34:42", "url": "/1030/1/Cox_dw_1952.pdf" } ], "eprint_id": 1030, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cox_dw_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Cox_dw_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18367" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18367" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18367" } ] } }, { "id": "/id/document/18367", "doc_id": 18367, "rev_number": 2, "files": [ { "id": "/id/file/9870", "fileid": 9870, "datasetid": "document", "objectid": 18367, "filename": "preview.png", "mime_type": "image/png", "hash": "f0b8854b022ea608647e37940499bf64", "hash_type": "MD5", "filesize": 8106, "mtime": "2012-12-26 02:34:42", "url": "/1030/2/preview.png" } ], "eprint_id": 1030, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1586" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1586" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1586" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/30", "datestamp": "2009-03-23", "lastmod": "2023-05-10 23:25:58", "status_changed": "2009-09-25 01:53:30", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Cox-Dale-William", "name": { "family": "Cox", "given": "Dale William" }, "show_email": "NO" } ] }, "title": "Stabilization of a Bipropellant Liquid Rocket Motor", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The unstable burning of a bipropellant rocket combustion chamber is investigated and a study made of the requirements for an automatic closed loop control circuit to stabilize the motor.\r\n\r\nThe bipropellant combustion chamber equations developed by Dr. L. Crocco(1) are utilised as the analytical description of the rocket motor burning phenomena. Equations similar to those developed by Dr. H. S. Taiga(2) are used for the oxidizer and fuel supply systems and the two closed loop stabilizing circuits.\r\n\r\nThe stability or instability of the system is demonstrated by the use of a special plotting diagram in the complex plane suggested by M. Satche as a means of handling systems with time lag, and developed for this use by H. S. Tsien. This involves separating the transfer function into two parts. In the complex plane the first portion of the transfer function, the exponential variable containing the time lag, plots as a unit circle as the complex variable p is made to take a contour enclosing the positive half of the p\u2014plane. If the remaining portion of the transfer function intersects this unit circle, the rocket motor can be unstable for large reduced time lag; if it does not intersect the unit circle, the system is generally stable, although the roots of the exponential coefficient in the positive half of the complex plane must be investigated. This latter requirement can be conveniently accomplished by the aid of a Nyquist Diagram.\r\n\r\nThe equations for the feedback circuit are developed and the oxidizer and fuel transfer function requirements are determined.\r\n \r\nTwo cases of stable combustion and two cases of unstable combustion are analyzed. One unstable case is stabilized by the addition of a feedback circuit.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03192009-154303", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03192009-154303", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-23", "doi": "10.7907/4SBW-M406", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" }, { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-19", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Cox, Dale William" }, { "id": "/id/eprint/1211", "eprint_id": 1211, "rev_number": 10, "documents": [ { "id": "/id/document/1835", "doc_id": 1835, "rev_number": 2, "files": [ { "id": "/id/file/11505", "fileid": 11505, "datasetid": "document", "objectid": 1835, "filename": "Schroeder_jh_1952.pdf", "mime_type": "application/pdf", "filesize": 724490, "mtime": "2012-12-26 02:36:19", "url": "/1211/1/Schroeder_jh_1952.pdf" } ], "eprint_id": 1211, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Schroeder_jh_1952.pdf", "language": "en", "security": "public", "license": "other", "main": "Schroeder_jh_1952.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18615" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18615" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18615" } ] } }, { "id": "/id/document/18615", "doc_id": 18615, "rev_number": 2, "files": [ { "id": "/id/file/11503", "fileid": 11503, "datasetid": "document", "objectid": 18615, "filename": "preview.png", "mime_type": "image/png", "hash": "fc5177c8f572b3b0254889a0802e5271", "hash_type": "MD5", "filesize": 11795, "mtime": "2012-12-26 02:36:19", "url": "/1211/2/preview.png" } ], "eprint_id": 1211, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1835" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1835" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1835" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/11", "datestamp": "2009-03-30", "lastmod": "2023-05-16 22:22:11", "status_changed": "2009-09-25 01:57:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Schroeder-Joseph-Herman", "name": { "family": "Schroeder", "given": "Joseph Herman" }, "show_email": "NO" } ] }, "title": "Effect of Vibrational Excitation on the Theoretical Performance of the Stoichiometric Carbon-Oxygen Propellant System", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Accurate calculations to evaluate the performance of the stoichiometric carbon-oxygen propellant system have been carried out for nozzle flow with and without chemical reactions and with and without vibrational adjustment. The calculations show that, for frozen chemical flow, a lag of vibrational energy states at chamber conditions nearly doubles the reduction in Isp, as compared with flow in which complete vibrational equilibrium is maintained. On the other hand, lags in vibrational adjustment have practically no effect on the theoretical performance of hot propellant systems if chemical equilibrium is maintained during nozzle flow. The preceding conclusions are in agreement with the results on other propellant systems obtained previously by use of an approximate evaluation procedure.", "date": "1952", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-082354", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-082354", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/BGFA-6E97", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1952-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1952", "author_list": "Schroeder, Joseph Herman" }, { "id": "/id/eprint/948", "eprint_id": 948, "rev_number": 11, "documents": [ { "id": "/id/document/1466", "doc_id": 1466, "rev_number": 2, "files": [ { "id": "/id/file/9082", "fileid": 9082, "datasetid": "document", "objectid": 1466, "filename": "Dankworth_eg_1951.pdf", "mime_type": "application/pdf", "filesize": 34922182, "mtime": "2012-12-26 02:33:55", "url": "/948/1/Dankworth_eg_1951.pdf" } ], "eprint_id": 948, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dankworth_eg_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Dankworth_eg_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18247" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18247" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18247" } ] } }, { "id": "/id/document/18247", "doc_id": 18247, "rev_number": 2, "files": [ { "id": "/id/file/9080", "fileid": 9080, "datasetid": "document", "objectid": 18247, "filename": "preview.png", "mime_type": "image/png", "hash": "fdd8463e74e5de7ff0bf3d7fc51fc443", "hash_type": "MD5", "filesize": 10034, "mtime": "2012-12-26 02:33:54", "url": "/948/2/preview.png" } ], "eprint_id": 948, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1466" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1466" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1466" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/48", "datestamp": "2009-03-16", "lastmod": "2019-12-21 04:29:31", "status_changed": "2009-09-25 01:51:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dankworth-Edwin-George", "name": { "family": "Dankworth", "given": "Edwin George" }, "show_email": "NO" } ] }, "title": "An Investigation of the Effects of a Sharp Velocity Gradient of the Flexure-Torsion Flutter Speed of an Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "This report covers the results of an experimental investigation of the effects of a velocity gradient on the flexure-torsion flutter speed of a NACA 0006 airfoil suspended by means of springs.
\r\n\r\nThe presence of the velocity gradient produced no significant change in the speed at which the airfoil commenced normal self-excited oscillations. Oscillations of a torsional nature were found to occur at speeds considerably below the normal flutter speed. The causes of these torsional oscillations were not fully ascertained. It is reasoned however that they were due to flow conditions other than the presence of the velocity gradient.
\r\n", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03132009-130943", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03132009-130943", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-16", "doi": "10.7907/QBG8-G786", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-13", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Dankworth, Edwin George" }, { "id": "/id/eprint/1027", "eprint_id": 1027, "rev_number": 9, "documents": [ { "id": "/id/document/1583", "doc_id": 1583, "rev_number": 2, "files": [ { "id": "/id/file/9850", "fileid": 9850, "datasetid": "document", "objectid": 1583, "filename": "Lobdell_jh_1951.pdf", "mime_type": "application/pdf", "filesize": 2314093, "mtime": "2012-12-26 02:34:41", "url": "/1027/1/Lobdell_jh_1951.pdf" } ], "eprint_id": 1027, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lobdell_jh_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Lobdell_jh_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18364" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18364" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18364" } ] } }, { "id": "/id/document/18364", "doc_id": 18364, "rev_number": 2, "files": [ { "id": "/id/file/9848", "fileid": 9848, "datasetid": "document", "objectid": 18364, "filename": "preview.png", "mime_type": "image/png", "hash": "f57bbeea5139b6ede5fd7fc628a01c14", "hash_type": "MD5", "filesize": 9696, "mtime": "2012-12-26 02:34:41", "url": "/1027/2/preview.png" } ], "eprint_id": 1027, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1583" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1583" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1583" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/27", "datestamp": "2009-03-19", "lastmod": "2023-05-03 21:29:51", "status_changed": "2009-09-25 01:53:28", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lobdell-John-Henry", "name": { "family": "Lobdell", "given": "John Henry" }, "show_email": "NO" } ] }, "title": "Determination of Temperature in a Low Pressure Flame", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The extended dimensions of a flame zone which result from reducing the ambient pressure below 10 mm. Hg provide possibility for detailed investigation of flame chemistry and thermodynamics. The present investigation constitutes the first part of a detailed survey of the temperature distribution in an oxy\u2014acetylene flame and describes the instrumentation and development of the modified Schmidt Technique for measuring flame temperature and the measurement of the maximum temperature in the flame.\r\n\r\nThe results indicate the maximum flame temperature to be within plus or minus 30\u00b0C. of the equilibrium flame temperature at 4.3 mm. Hg. The technique developed, while laborious, may be used to determine flame temperature with a good degree of accuracy.\r\n\r\nThe work was carried on with the financial support of the U. S. Army Ordnance Corps and the U. S. Air Force Air Materiel Command as part of a study of low pressure combustion under way at the Jet Propulsion Laboratory.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03192009-114701", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03192009-114701", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-19", "doi": "10.7907/MTQ1-K461", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-19", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Lobdell, John Henry" }, { "id": "/id/eprint/1031", "eprint_id": 1031, "rev_number": 9, "documents": [ { "id": "/id/document/1587", "doc_id": 1587, "rev_number": 2, "files": [ { "id": "/id/file/9879", "fileid": 9879, "datasetid": "document", "objectid": 1587, "filename": "Hughes_rf_1951.pdf", "mime_type": "application/pdf", "filesize": 1733543, "mtime": "2012-12-26 02:34:42", "url": "/1031/1/Hughes_rf_1951.pdf" } ], "eprint_id": 1031, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hughes_rf_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Hughes_rf_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18368" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18368" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18368" } ] } }, { "id": "/id/document/18368", "doc_id": 18368, "rev_number": 2, "files": [ { "id": "/id/file/9877", "fileid": 9877, "datasetid": "document", "objectid": 18368, "filename": "preview.png", "mime_type": "image/png", "hash": "eeda0d2b0285d27f77d3af6fbf23ea48", "hash_type": "MD5", "filesize": 8866, "mtime": "2012-12-26 02:34:42", "url": "/1031/2/preview.png" } ], "eprint_id": 1031, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1587" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1587" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1587" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/31", "datestamp": "2009-03-23", "lastmod": "2023-05-03 19:18:24", "status_changed": "2009-09-25 01:53:30", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hughes-Richard-Frank", "name": { "family": "Hughes", "given": "Richard Frank" }, "show_email": "NO" } ] }, "title": "Analytical Performance Study of Turbojet Cycle with Nearly Ideal Component Efficiencies", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The performance of the turbojet engine for high component efficiency is approximated by an ideal expression (efficiencies equal unity) plus the first terms of a Taylor Series expansion for the purpose of isolating the individual effects of the components.\r\n\r\nThe analytical solution to two optimizations is presented; namely:\r\n\r\n(A) For fixed burner outlet temperature, flight Mach number, and component efficiency, what is the compressor pressure ratio corresponding to maximum jet velocity (maximum thrust per unit mass flow)?\r\n\r\n(B) For fixed flight Mach number, compressor pressure ratio and component efficiency, what is the burner outlet temperature corresponding to minimum specific fuel consumption?", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03192009-161901", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03192009-161901", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-23", "doi": "10.7907/Q2CP-J309", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-19", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Hughes, Richard Frank" }, { "id": "/id/eprint/1025", "eprint_id": 1025, "rev_number": 12, "documents": [ { "id": "/id/document/1581", "doc_id": 1581, "rev_number": 2, "files": [ { "id": "/id/file/9835", "fileid": 9835, "datasetid": "document", "objectid": 1581, "filename": "Davidson_hw_1951.pdf", "mime_type": "application/pdf", "filesize": 30785230, "mtime": "2012-12-26 02:34:41", "url": "/1025/1/Davidson_hw_1951.pdf" } ], "eprint_id": 1025, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Davidson_hw_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Davidson_hw_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18362" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18362" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18362" } ] } }, { "id": "/id/document/18362", "doc_id": 18362, "rev_number": 2, "files": [ { "id": "/id/file/9833", "fileid": 9833, "datasetid": "document", "objectid": 18362, "filename": "preview.png", "mime_type": "image/png", "hash": "f048433354d596a8f6b25816f83a95ed", "hash_type": "MD5", "filesize": 10155, "mtime": "2012-12-26 02:34:41", "url": "/1025/2/preview.png" } ], "eprint_id": 1025, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1581" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1581" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1581" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/25", "datestamp": "2009-03-19", "lastmod": "2023-04-25 01:09:29", "status_changed": "2009-09-25 01:53:25", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Davidson-Harold-William", "name": { "family": "Davidson", "given": "Harold William" }, "show_email": "NO" } ] }, "title": "Lift Increase Obtained with Boundary Layer Suction on a 10% Double Wedge Airfoil with a 20% Chord Leading and Trailing Edge Flaps", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nIn this investigation a study was made of the effects of boundary layer control on a 10% thick, double-wedge airfoil located between endplates. In particular, the study centered around a \"high-lift\" investigation in order to obtain an optimum configuration for the specific airfoil. The double-wedge airfoil was used since: 1) it is a \"high speed\" airfoil, and 2) it has poor maximum lift and stalling characteristics.\r\n\r\nThe model used was equipped with a nose flap and a slotted trailing edge flap, both of 20% wing chord, and two suction slots, one aft of the nose flap (20% chord) and the other at the 70% wing chord. Five suction quantities were used on all possible configuration combinations. The maximum lift coefficient obtained was [...] = 2.149 at an angle of attack of 21\u00b0 and a suction quantity equal to C[subscript Q] = 0.0071.* For this particular configuration, the approximate value of the horsepower required to supply the necessary suction quantity was determined. In addition to the force and moment tests, tuft studies of flow of the \"optimum\" configurations were made and reported.\r\n\r\n\r\n\r\n* Configuration: Nose flap deflected 30\u00b0; trailing edge flap deflected 30\u00b0; slot [...](forward slot)", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03192009-110707", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03192009-110707", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-19", "doi": "10.7907/KPZ6-2V51", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-19", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Davidson, Harold William" }, { "id": "/id/eprint/1229", "eprint_id": 1229, "rev_number": 9, "documents": [ { "id": "/id/document/1865", "doc_id": 1865, "rev_number": 2, "files": [ { "id": "/id/file/11685", "fileid": 11685, "datasetid": "document", "objectid": 1865, "filename": "Pounder_e_1951.pdf", "mime_type": "application/pdf", "filesize": 104409054, "mtime": "2012-12-26 02:36:29", "url": "/1229/1/Pounder_e_1951.pdf" } ], "eprint_id": 1229, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Pounder_e_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Pounder_e_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18645" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18645" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18645" } ] } }, { "id": "/id/document/18645", "doc_id": 18645, "rev_number": 2, "files": [ { "id": "/id/file/11683", "fileid": 11683, "datasetid": "document", "objectid": 18645, "filename": "preview.png", "mime_type": "image/png", "hash": "c755c294f8737584afc61e7f4e549edd", "hash_type": "MD5", "filesize": 3462, "mtime": "2012-12-26 02:36:28", "url": "/1229/2/preview.png" } ], "eprint_id": 1229, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1865" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1865" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1865" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/29", "datestamp": "2009-03-31", "lastmod": "2023-05-04 17:12:48", "status_changed": "2009-09-25 01:58:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Pounder-Edwin", "name": { "family": "Pounder", "given": "Edwin" }, "show_email": "NO" } ] }, "title": "Investigation of Blockage Effects on Circular Cylinders in a Two-Dimensional Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "These investigations include some experimental and theoretical studies upon blockage effects in a two-dimensional wind tunnel. The shape chosen to represent a body in the tunnel is that of a circular cylinder since such a body will eliminate circulation as a variable and will produce large blockage effects.\r\n\r\nIn experimental studies, three cylinders of different size are tested in a two-dimensional tunnel. It is found that interference effects are of such a magnitude that it is impossible to obtain two-dimensional flow with the basic models. Two-dimensional flow is obtained through the use of separation devices, but a quantitative blockage study is not attained.\r\n\r\nThe theoretical work attempts to show the blockage effects of a two-dimensional tunnel upon a circular cylinder of arbitrary size with and without a wake. The potential flow theory is used throughout, and some correlations with the experimental data are indicated.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03312009-085215", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03312009-085215", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-31", "doi": "10.7907/1F84-BB81", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Bell-R-W", "name": { "family": "Bell", "given": "Richard William" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-31", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-31", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Pounder, Edwin" }, { "id": "/id/eprint/1207", "eprint_id": 1207, "rev_number": 10, "documents": [ { "id": "/id/document/1831", "doc_id": 1831, "rev_number": 2, "files": [ { "id": "/id/file/11476", "fileid": 11476, "datasetid": "document", "objectid": 1831, "filename": "Ostrander_mh_1951.pdf", "mime_type": "application/pdf", "filesize": 6866381, "mtime": "2012-12-26 02:36:18", "url": "/1207/1/Ostrander_mh_1951.pdf" } ], "eprint_id": 1207, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ostrander_mh_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Ostrander_mh_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18611" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18611" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18611" } ] } }, { "id": "/id/document/18611", "doc_id": 18611, "rev_number": 2, "files": [ { "id": "/id/file/11474", "fileid": 11474, "datasetid": "document", "objectid": 18611, "filename": "preview.png", "mime_type": "image/png", "hash": "6dbb37b45ce1ccfa1ef2a2e5afea2183", "hash_type": "MD5", "filesize": 7937, "mtime": "2012-12-26 02:36:18", "url": "/1207/2/preview.png" } ], "eprint_id": 1207, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1831" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1831" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1831" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/07", "datestamp": "2009-03-30", "lastmod": "2023-05-03 23:49:27", "status_changed": "2009-09-25 01:57:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ostrander-Max-Howell", "name": { "family": "Ostrander", "given": "Max Howell" }, "show_email": "NO" } ] }, "title": "Emissivity Calculations for Carbon Monoxide", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The purpose of this report is to utilize a sound theoretical formulation combined with the best available experimental data on integrated absorption and rotational line-width, for the calculation of emissivities of carbon monoxide at room temperatures under conditions where overlapping between rotational lines is negligibly small.\r\n\r\nThe results of the present investigation indicate that calculated emissivities of carbon monoxide at room temperature are in excellent agreement with empirically observed data published by Hottel and Ullrich. The theoretical dependence of emissivity upon optical density at low optical density and at room temperature has been shown to follow the experimental observations almost exactly. For low optical densities the calculated emissivity is found to be nearly proportional to the assumed rotational line-width, thus emphasizing the need for accurate line-width determinations at all temperatures. The calculated dependence of emissivity on rotational line-width permits the determination of emissivity not only as a function of temperature, total pressure, and optical density, but also as a function of concentration of optically inert gas. For numerical calculations of this type it is necessary to obtain experimental data for the dependence of rotational line-width on the concentration of non- emitting gases.\r\n\r\nThe present calculations supplement earlier theoretical emissivity calculations, which are valid only at elevated total pressures where extensive overlapping of rotational lines occurs. The range of pressures in which overlapping between rotational lines is neither extensive nor negligibly small has been considered only very briefly and requires further examination.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-062500", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-062500", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/7DDZ-WA46", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Ostrander, Max Howell" }, { "id": "/id/eprint/1077", "eprint_id": 1077, "rev_number": 14, "documents": [ { "id": "/id/document/1654", "doc_id": 1654, "rev_number": 2, "files": [ { "id": "/id/file/10305", "fileid": 10305, "datasetid": "document", "objectid": 1654, "filename": "Walker_dp_1951.pdf", "mime_type": "application/pdf", "filesize": 10188459, "mtime": "2012-12-26 02:35:09", "url": "/1077/1/Walker_dp_1951.pdf" } ], "eprint_id": 1077, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Walker_dp_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Walker_dp_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18434" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18434" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18434" } ] } }, { "id": "/id/document/18434", "doc_id": 18434, "rev_number": 2, "files": [ { "id": "/id/file/10303", "fileid": 10303, "datasetid": "document", "objectid": 18434, "filename": "preview.png", "mime_type": "image/png", "hash": "8e0bcbdc652ff88c0f813ad43c5bebff", "hash_type": "MD5", "filesize": 9574, "mtime": "2012-12-26 02:35:08", "url": "/1077/2/preview.png" } ], "eprint_id": 1077, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1654" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1654" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1654" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/77", "datestamp": "2009-03-24", "lastmod": "2023-05-04 21:32:38", "status_changed": "2009-09-25 01:54:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Walker-Donald-Petrilla", "name": { "family": "Walker", "given": "Donald Petrilla" }, "show_email": "NO" } ] }, "title": "An Experimental Investigations of the Oscillations of an Airfoil Near a Sharp Velocity Gradient", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The purpose of this study was to make an experimental investigation of the effect of a sharp velocity gradient on the oscillations of an airfoil. This information is pertinent to the formulation of theories for predicting tail buffeting. The test equipment was designed to provide conditions corresponding as closely as possible to those based on the assumptions of Lo in his theoretical study of an oscillating airfoil in parallel streams separated by an interface.
\r\n\r\nBecause of the viscous nature of air, the assumptions of Lo could not be simulated sufficiently closely to permit an experimental check on his findings. The simulation, however, was adequate to provide for an experimental check on his fundamental point of view as an explanation of buffeting.
\r\n\r\nThe presence of the high speed flutter predicted by theory was verified. Variations in the flutter speed and flutter frequency were noted as the position of the sharp velocity gradient relative to the airfoil was shifted, but these variations were not considered significant.
\r\n\r\nA low speed oscillation was found which the evidence available indicated was due to periodic vortices formed in the flow by the experimental set-up used to create the velocity gradient. Limitations on the minimum operating speed of the wind tunnel precluded a thorough investigation of the lower speeds in the low range.
\r\n\r\nThe evidence found in this investigation, though not conclusive, indicates that buffeting is simply the response of an elastic system to a turbulent flow. No conclusive evidence was found to indicate that a sharp velocity gradient near an airfoil has any effect on the oscillations of the airfoil.
\r\n\r\nFurther investigation of the airflow created by the experimental set-up used is recommended in order to explain precisely the oscillation phenomena encountered.
\r\n", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03232009-090843", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03232009-090843", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-24", "doi": "10.7907/5PMF-4R60", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-23", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Walker, Donald Petrilla" }, { "id": "/id/eprint/1106", "eprint_id": 1106, "rev_number": 9, "documents": [ { "id": "/id/document/1713", "doc_id": 1713, "rev_number": 2, "files": [ { "id": "/id/file/10649", "fileid": 10649, "datasetid": "document", "objectid": 1713, "filename": "Struble_ad_1951.pdf", "mime_type": "application/pdf", "filesize": 36810654, "mtime": "2012-12-26 02:35:29", "url": "/1106/1/Struble_ad_1951.pdf" } ], "eprint_id": 1106, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Struble_ad_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Struble_ad_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18493" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18493" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18493" } ] } }, { "id": "/id/document/18493", "doc_id": 18493, "rev_number": 2, "files": [ { "id": "/id/file/10647", "fileid": 10647, "datasetid": "document", "objectid": 18493, "filename": "preview.png", "mime_type": "image/png", "hash": "ba2f1aa0588565d228b72827cf4a11e3", "hash_type": "MD5", "filesize": 9480, "mtime": "2012-12-26 02:35:29", "url": "/1106/2/preview.png" } ], "eprint_id": 1106, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1713" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1713" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1713" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/11/06", "datestamp": "2009-03-24", "lastmod": "2023-05-04 18:59:16", "status_changed": "2009-09-25 01:55:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Struble-Arthur-Dewey", "name": { "family": "Struble", "given": "Arthur Dewey" }, "show_email": "NO" } ] }, "title": "Preliminary Design Study of a Centrifugal Jet Engine with a Supersonic Propeller", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A theoretical analysis was made of an aircraft propulsion system incorporating a centrifuga1 jet engine and a supersonic propeller. The primary aim was to increase the economy of a jet configurated engine. The design for a supersonic propeller was included, since it was necessary to use a propeller, in order to create maximum thrust for the installation.\r\n\r\nThe engine unit consists of a rotating disc with an internal combustion flow channel using essentially the ram-jet cycle, and the design configuration embodied only three basic moving parts for the entire propulsion plant. The performance of the engine was treated as an aerodynamic and thermodynamic problem. Computations were made on the internal flow system covering the effects of all the variables. Then, using these results, specific engines were analyzed introducing pertinent losses. In general, the numerical calculations showed theoretically that this type of engine would have slightly better economy than a reciprocating engine and was far superior to a turbojet at an aircraft speed range down to low subsonic values.\r\n\r\nThe ana1yis for the supersonic propeller indicated that the author's design approach, which includes three dimensional effects, could theoretically produce completely supersonic blades with efficiencies above 80%. Computations were made on a 10' diameter propeller which would produce 7,500 pounds of thrust with an efficiency of 83.5% t an aircraft speed of Mach number 1. This power absorption could easily be doubled, while at cruising powers efficiencies ranged up to 86%.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03242009-083922", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03242009-083922", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-24", "doi": "10.7907/SXBW-F552", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-24", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Struble, Arthur Dewey" }, { "id": "/id/eprint/1028", "eprint_id": 1028, "rev_number": 9, "documents": [ { "id": "/id/document/1584", "doc_id": 1584, "rev_number": 2, "files": [ { "id": "/id/file/9857", "fileid": 9857, "datasetid": "document", "objectid": 1584, "filename": "Stuart_jw_1951.pdf", "mime_type": "application/pdf", "filesize": 8907326, "mtime": "2012-12-26 02:34:42", "url": "/1028/1/Stuart_jw_1951.pdf" } ], "eprint_id": 1028, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Stuart_jw_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Stuart_jw_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18365" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18365" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18365" } ] } }, { "id": "/id/document/18365", "doc_id": 18365, "rev_number": 2, "files": [ { "id": "/id/file/9855", "fileid": 9855, "datasetid": "document", "objectid": 18365, "filename": "preview.png", "mime_type": "image/png", "hash": "15aa1c79b8d7e2c00142d6e28ced9654", "hash_type": "MD5", "filesize": 8896, "mtime": "2012-12-26 02:34:41", "url": "/1028/2/preview.png" } ], "eprint_id": 1028, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1584" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1584" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1584" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/10/28", "datestamp": "2009-03-19", "lastmod": "2023-05-04 19:03:50", "status_changed": "2009-09-25 01:53:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Stuart-Jay-William", "name": { "family": "Stuart", "given": "Jay William" }, "show_email": "NO" } ] }, "title": "Spectra of the Velocity Fluctuations in the Wake of Stalled Airfoils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "During the last twenty years a considerable amount of work has been done in order to understand buffeting and the mechanism of the separated flow that causes it. In these investigations the results have either not been clear or they contain some unknown interaction between the indicating apparatus and the flow in the wake. In the present paper one type of the formerly observed flow configurations is investigated by using a properly compensated hot wire anemometer. This technique exhibits some of the results previously obtained but with greater significance and some added phenomena.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03192009-115101", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03192009-115101", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-19", "doi": "10.7907/0DKR-ZG89", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-19", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Stuart, Jay William" }, { "id": "/id/eprint/6180", "eprint_id": 6180, "rev_number": 15, "documents": [ { "id": "/id/document/11693", "doc_id": 11693, "rev_number": 4, "files": [ { "id": "/id/file/77684", "fileid": 77684, "datasetid": "document", "objectid": 11693, "filename": "Kaplun_s_1951.pdf", "mime_type": "application/pdf", "filesize": 9068992, "mtime": "2012-12-26 04:32:14", "url": "/6180/1/Kaplun_s_1951.pdf" } ], "eprint_id": 6180, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Kaplun_s_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27151" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27151" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27151" } ] } }, { "id": "/id/document/11694", "doc_id": 11694, "rev_number": 3, "files": [ { "id": "/id/file/206317", "fileid": 206317, "datasetid": "document", "objectid": 11694, "filename": "Kaplun_s_1951.zip", "mime_type": "application/zip", "filesize": 133507922, "mtime": "2016-08-22 21:21:16", "url": "/6180/2/Kaplun_s_1951.zip" } ], "eprint_id": 6180, "pos": 2, "format": "application/zip", "format_desc": "TIF", "language": "en", "security": "internal", "license": "other", "main": "Kaplun_s_1951.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27151", "doc_id": 27151, "rev_number": 2, "files": [ { "id": "/id/file/77682", "fileid": 77682, "datasetid": "document", "objectid": 27151, "filename": "preview.png", "mime_type": "image/png", "hash": "5267bcdfc4d7f0208c98dc62316f81b7", "hash_type": "MD5", "filesize": 25897, "mtime": "2012-12-26 04:32:14", "url": "/6180/3/preview.png" } ], "eprint_id": 6180, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11693" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11693" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11693" } ] } }, { "id": "/id/document/126328", "doc_id": 126328, "rev_number": 1, "files": [ { "id": "/id/file/371762", "fileid": 371762, "datasetid": "document", "objectid": 126328, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "5ae1b4a57bba4e6ec749298feaf8dd11", "hash_type": "MD5", "filesize": 10135, "mtime": "2021-06-24 00:44:06", "url": "/6180/4/indexcodes.txt" } ], "eprint_id": 6180, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11693" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11693" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/11693" } ] } } ], "eprint_status": "archive", "userid": 2528, "dir": "disk0/00/00/61/80", "datestamp": "2010-11-19 00:19:34", "lastmod": "2023-05-03 19:33:09", "status_changed": "2010-11-19 00:19:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kaplun-Saul", "name": { "family": "Kaplun", "given": "Saul" }, "show_email": "NO" } ] }, "title": "Dimensional Analysis of the Inflation Process of Parachute Canopies", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The possibility of an experimental approach based on dimensional analysis is considered. Dimensional analysis of the filling of a parachute tied to a fixed support is given. The physical variables of the problem are discussed, and an attempt is made to retain for subsequent analysis of all those variables for which the a priori assumption of negligibility is not warranted. The variables are reduced to dimensionless form, leading to tables of model rules which must be obeyed for various purposes. The possibility of a rigorous experimental procedure and, especially, of separating the effects of the several parameters is discussed in light of the model rules.", "date": "1951", "date_type": "degree", "id_number": "CaltechTHESIS:11182010-154343424", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:11182010-154343424", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "John Wade", "deposited_on": "2010-11-19 00:19:34", "doi": "10.7907/25MM-HY18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1951-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Kaplun, Saul" }, { "id": "/id/eprint/9055", "eprint_id": 9055, "rev_number": 20, "documents": [ { "id": "/id/document/59966", "doc_id": 59966, "rev_number": 2, "files": [ { "id": "/id/file/168023", "fileid": 168023, "datasetid": "document", "objectid": 59966, "filename": "Skinner_gt_1951.pdf", "mime_type": "application/pdf", "hash": "3969441efa656f1f0a8a4ac5ee0a305c", "hash_type": "MD5", "filesize": 6437143, "mtime": "2015-07-09 21:29:20", "url": "/9055/1/Skinner_gt_1951.pdf" } ], "eprint_id": 9055, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Skinner_gt_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": 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"datestamp": "2015-07-09 21:55:27", "lastmod": "2023-05-04 18:39:15", "status_changed": "2015-07-09 21:55:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Skinner-George-Tolmie", "name": { "family": "Skinner", "given": "George Tolmie" }, "show_email": "NO" } ] }, "title": "Mean-Speed Measurements in Two-Dimensional, Incompressible, Fully-Developed Turbulent Channel Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Mean velocity profiles were measured in the 5\u201d x 60\u201d wind channel of the turbulence laboratory at the GALCIT, by the use of a hot-wire anemometer. The repeatability of results was established, and the accuracy of the instrumentation estimated. Scatter of experimental results is a little, if any, beyond this limit, although some effects might be expected to arise from variations in atmospheric humidity, no account of this factor having been taken in the present work. Also, slight unsteadiness in flow conditions will be responsible for some scatter.
\r\n\r\nIrregularities of a hot-wire in close proximity to a solid boundary at low speeds were observed, as have already been found by others.
\r\n\r\nThat K\u00e1rm\u00e1n\u2019s logarithmic law holds reasonably well over the main part of a fully developed turbulent flow was checked, the equation u/ut = 6.0 + 6.25 log10 yut/v being obtained, and, as has been previously the case, the experimental points do not quite form one straight line in the region where viscosity effects are small. The values of the constants for this law for the best over-all agreement were determined and compared with those obtained by others.
\r\n\r\nThe range of Reynolds numbers used (based on half-width of channel) was from 20,000 to 60,000.
\r\n", "date": "1951", "date_type": "degree", "id_number": "CaltechTHESIS:07092015-140302816", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:07092015-140302816", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_on": "2015-07-09 21:55:27", "doi": "10.7907/CGEH-Q720", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1951-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Skinner, George Tolmie" }, { "id": "/id/eprint/5151", "eprint_id": 5151, "rev_number": 9, "documents": [ { "id": "/id/document/8151", "doc_id": 8151, "rev_number": 2, "files": [ { "id": "/id/file/50204", "fileid": 50204, "datasetid": "document", "objectid": 8151, "filename": "Holmquist_co_1951.pdf", "mime_type": "application/pdf", "filesize": 6722856, "mtime": "2012-12-26 03:15:18", "url": "/5151/1/Holmquist_co_1951.pdf" } ], "eprint_id": 5151, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Holmquist_co_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Holmquist_co_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24654" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24654" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24654" } ] } }, { "id": "/id/document/24654", "doc_id": 24654, "rev_number": 2, "files": [ { "id": "/id/file/50202", "fileid": 50202, "datasetid": "document", "objectid": 24654, "filename": "preview.png", "mime_type": "image/png", "hash": "6c4953a9d60bb92f8ccf6f503ff273d5", "hash_type": "MD5", "filesize": 8847, "mtime": "2012-12-26 03:15:18", "url": "/5151/2/preview.png" } ], "eprint_id": 5151, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8151" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8151" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8151" } ] } }, { "id": "/id/document/124825", "doc_id": 124825, "rev_number": 1, "files": [ { "id": "/id/file/370255", "fileid": 370255, "datasetid": "document", "objectid": 124825, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "84cae64e62ac248d91783e6010b5ffae", "hash_type": "MD5", "filesize": 3544, "mtime": "2021-06-23 23:55:43", "url": "/5151/3/indexcodes.txt" } ], "eprint_id": 5151, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8151" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8151" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/8151" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/51", "datestamp": "2005-12-29", "lastmod": "2023-04-24 21:55:28", "status_changed": "2009-09-25 03:34:32", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Holmquist-Carl-Oreal", "name": { "family": "Holmquist", "given": "Carl Oreal" }, "show_email": "NO" } ] }, "title": "Effect of Small Variations of Parameters in the Turboprop Cycle", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "A cycle analysis of the turbine-propeller engine is given in terms of the parameters of the cycle and the component efficiencies of the engine with and without regeneration. By means of a Taylor expansion about the point of ideal efficiencies, total power output, specific fuel consumption, and optimum jet pressure ratio are given in terms of the ideal values plus corrections for small variations in the component efficiencies from 100%. In this way, the relative importance of component efficiencies in affecting the performance of the ideal turboprop cycle is demonstrated by means of simple analytical expressions involving the basic cycle parameters and the component efficiencies.\r\n\r\nThe analysis of the ideal turboprop cycles is given in terms of three basic parameters which are functions of the forward flight speed, the compressor pressure ratio, and the limiting combustion chamber temperature. For the ideal cycle, the jet pressure ratio for optimum division of power between propeller and jet results in the total work of the cycle being done by the propeller.\r\n\r\nOf the component efficiencies, the turbine efficiency was found to be the most important in affecting the performance criteria of the ideal turboprop cycle. Since all work is done by the propeller in the ideal cycle, the propeller efficiency was also found to be important in affecting performance. Regeneration, as considered in this analysis, decreased the total power output and decreased the specific fuel consumption of the ideal turbine-propeller engine.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-12282005-104251", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12282005-104251", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-12-29", "doi": "10.7907/B34Z-JX85", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-12-28", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2005-12-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Holmquist, Carl Oreal" }, { "id": "/id/eprint/987", "eprint_id": 987, "rev_number": 13, "documents": [ { "id": "/id/document/1537", "doc_id": 1537, "rev_number": 2, "files": [ { "id": "/id/file/9523", "fileid": 9523, "datasetid": "document", "objectid": 1537, "filename": "Angelo_rl_1951.pdf", "mime_type": "application/pdf", "filesize": 4998715, "mtime": "2012-12-26 02:34:24", "url": "/987/1/Angelo_rl_1951.pdf" } ], "eprint_id": 987, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Angelo_rl_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Angelo_rl_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18318" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18318" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18318" } ] } }, { "id": "/id/document/18318", "doc_id": 18318, "rev_number": 2, "files": [ { "id": "/id/file/9521", "fileid": 9521, "datasetid": "document", "objectid": 18318, "filename": "preview.png", "mime_type": "image/png", "hash": "e4786dc48d93d3adc42789076d3a87b6", "hash_type": "MD5", "filesize": 11543, "mtime": "2012-12-26 02:34:24", "url": "/987/2/preview.png" } ], "eprint_id": 987, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1537" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1537" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1537" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/87", "datestamp": "2009-03-17", "lastmod": "2023-04-24 21:18:02", "status_changed": "2009-09-25 01:52:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Angelo-Raymond-Louis", "name": { "family": "Angelo", "given": "Raymond Louis" }, "show_email": "NO" } ] }, "title": "I. Experimental Determination of Selected Accommodation Coefficients. II. Experimental Determination of the Heat of Iodine", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "In PART I the results of a study of the accommodation coefficient and its dependence on the temperature of the metal surface are described. The following systems were investigated: oxygen on platinum, carbon dioxide on platinum, nitrogen on platinum, carbon dioxide on tungsten, and carbon dioxide on nickel. All systems exhibit similar characteristics; i.e., a rapid rise to a maximum value of the accommodation coefficient in the region of low filament temperatures followed by a gradual decrease to a constant value as the filament temperature is increased, bulb temperature remaining constant.\r\n\r\n\t Maximum Constant value\r\n\r\nOxygen-platinum\t .98\t .68\r\n\t\r\nNitrogen-platinum .97\t .50\r\n\t\r\nCO2 -platinum\t .56\t .35\r\n\t\r\nCO2 -tungsten\t .93\t .80\r\n\t\r\nCO2 - nickel\t .68\t .47\r\n\r\nThis general behavior of the accommodation coefficient substantiates findings reported earlier by Oliver (13) for other gas-metal systems.\r\n\r\nThe experimentally determined values of the accommodation coefficient are applied to a theoretical relation obtained by application of the theory of absolute reaction rates (10). The theoretical expression is shown to be in semiquantitative agreement with the experimental data.\r\n\r\nIn PART II the \"hot wire\" method is used to determine the heat of dissociation of iodine. The experimentally determined value is 36.9 kcal/mole at 600\u00b0K. The presently accepted value for this temperature is 35.17 kcal/mole. Provided a wire can be found which is not corroded by fluorine, the present results suggest a useful method for determining the heat of dissociation of fluorine.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03172009-085837", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03172009-085837", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-17", "doi": "10.7907/1DD6-8B60", "alt_title": { "items": [ "Experimental Determination of Selected Accommodation Coefficients", "Experimental Determination of the Heat of Iodine" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Farber-Milton", "name": { "family": "Farber", "given": "Milton" }, "role": "advisor" }, { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-17", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Angelo, Raymond Louis" }, { "id": "/id/eprint/970", "eprint_id": 970, "rev_number": 10, "documents": [ { "id": "/id/document/1499", "doc_id": 1499, "rev_number": 2, "files": [ { "id": "/id/file/9317", "fileid": 9317, "datasetid": "document", "objectid": 1499, "filename": "Norris_jc_1951.pdf", "mime_type": "application/pdf", "filesize": 1991662, "mtime": "2012-12-26 02:34:12", "url": "/970/1/Norris_jc_1951.pdf" } ], "eprint_id": 970, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Norris_jc_1951.pdf", "language": "en", "security": "public", "license": "other", "main": "Norris_jc_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18282" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18282" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18282" } ] } }, { "id": "/id/document/18282", "doc_id": 18282, "rev_number": 2, "files": [ { "id": "/id/file/9315", "fileid": 9315, "datasetid": "document", "objectid": 18282, "filename": "preview.png", "mime_type": "image/png", "hash": "8def5b2b019df0d68ebc8a26a826ec0e", "hash_type": "MD5", "filesize": 8300, "mtime": "2012-12-26 02:34:12", "url": "/970/2/preview.png" } ], "eprint_id": 970, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1499" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1499" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1499" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/70", "datestamp": "2009-03-17", "lastmod": "2023-05-03 23:37:10", "status_changed": "2009-09-25 01:51:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Norris-James-Caspar", "name": { "family": "Norris", "given": "James Caspar" }, "show_email": "NO" } ] }, "title": "An Analysis of a Compound Pendulum Rocket Suspension", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThis is an investigation of the equations of motion and physical parameters involved in stabilizing the initial flight of a vertically launched rocket by means of a booster rocket pin-connected below the main rocket. The system is designed to stabilize the flight in its early stage before the aerodynamic control surfaces become effective. Stability of the system is dependent on the pendulum action of the booster rocket.\r\n\r\nThe equations of motion were derived from Lagrange's generalized momentum equation. The differential equations thus obtained were not solved but were tested for stability by means of Routh's stability criteria. The ratio of the mass of the main rocket, M[subscript 1], to the mass of the booster rocket, M[subscript 2], was investigated for the two values [...] = 1.5 and [...] = 7.75.\r\n\r\nThe system involving a mass ratio [...] = 7.75 was found to be unstable under all conditions. However, the system involving a mass ratio [...] 1.5 was determined to be stable in the range 1.62 < \u03b2 < 4.54 x 10[superscript 10], where \u03b2 is defined as the ratio of the distance [...] from the center of gravity of the booster M[subscript 2] to the pin connecting the strut to the main rocket M[subscript 1], divided by the radius of gyration, k[subscript 2], of the booster M[subscript 2]. In this range, for any given value of, \u03b2, stability was uniquely determined by one value of the ratio \u03b1 = [...], where [...], is the length of the strut from the main rocket M[subscript 1] to the booster rocket M[subscript 2]. Thus, for a given booster, stability is primarily a function of the ratio [...], and for any given [...], is uniquely determined.\r\n\t\t\r\nAlthough the system was found to be theoretically stable for the mass ratio [...] = 1.5 , the ratio [...] turned out to be of such great magnitude as to make the system entirely impractical for this particular mass ratio.", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03162009-142423", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03162009-142423", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-17", "doi": "10.7907/YDS1-JW02", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-16", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Norris, James Caspar" }, { "id": "/id/eprint/1206", "eprint_id": 1206, "rev_number": 9, "documents": [ { "id": "/id/document/1830", "doc_id": 1830, "rev_number": 3, "files": [ { "id": "/id/file/11468", "fileid": 11468, "datasetid": "document", "objectid": 1830, "filename": "Kendrick_jb_1951.pdf", "mime_type": "application/pdf", "filesize": 32332159, "mtime": "2012-12-26 02:36:17", "url": "/1206/1/Kendrick_jb_1951.pdf" } ], "eprint_id": 1206, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Kendrick_jb_1951.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18610" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18610" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18610" } ] } }, { "id": "/id/document/18610", "doc_id": 18610, "rev_number": 2, "files": [ { "id": "/id/file/11466", "fileid": 11466, "datasetid": "document", "objectid": 18610, "filename": "preview.png", "mime_type": "image/png", "hash": "1d1695ed9e67a8661ad7996c4e38c90f", "hash_type": "MD5", "filesize": 8120, "mtime": "2012-12-26 02:36:17", "url": "/1206/2/preview.png" } ], "eprint_id": 1206, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1830" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1830" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1830" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/06", "datestamp": "2009-03-30", "lastmod": "2023-01-18 19:57:23", "status_changed": "2009-09-25 01:57:18", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kendrick-James-Benjamin", "name": { "family": "Kendrick", "given": "James Benjamin" }, "show_email": "NO" } ] }, "title": "Automatic or Coupled Control Surfaces for Aircraft", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An improved method of aircraft stabilization is described, with wind tunnel test results and stability criteria, and suggestions for use in aircraft design. The method utilizes a new type of control surface consisting of a mechanically coupled fin and rudder, which converts the tail surface into an automatic servo control.
\r\n\r\nTheory and wind tunnel tests show that the lift curve slope of the tail, [...]\tmay be increased by six times or more in this way, using reasonable but not extraordinary care with manufacturing methods and tolerances.
\r\n\r\nThe dynamic stability criteria are given and compared with wind tunnel tests for nine different balance conditions of two models tested on a swinging arm in the wind tunnel. Four out of the nine cases were stable, and the stability criteria give the correct indication in every case.
\r\n\r\nStability analysis is used to indicate the effect of coupled surfaces on the lateral and longitudinal notion of a conventional transport airplane. With the regular control surfaces, this airplane has a spiral divergence, \"dutch roll,\" and a poorly damped long-period longitudinal oscillation. With the coupled tail surfaces, having a very moderate increase in static stability over that of the fixed surfaces, all of the above objectionable characteristics are eliminated, and the resulting airplane modes are shown be either aperiodic or damped periodic motion of a very short period.
\r\n\r\nThe application of such control surfaces to real airplanes appears to be feasible with little change in the design procedure. Several examples are given of coupled tail designs for different kinds of aircraft. The principle is also shown to be applicable to supersonic vehicles. The economic advantages of airplanes equipped with such stabilizers, together with the success of the analysis and test work to date, suggest that this device is worthy of further development and application to aircraft.
", "date": "1951", "date_type": "degree", "id_number": "CaltechETD:etd-03302009-062149", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03302009-062149", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-30", "doi": "10.7907/CN1Q-P992", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-30", "thesis_defense_date": "1951-01-01", "thesis_approved_date": "2009-03-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1951", "author_list": "Kendrick, James Benjamin" }, { "id": "/id/eprint/930", "eprint_id": 930, "rev_number": 9, "documents": [ { "id": "/id/document/1422", "doc_id": 1422, "rev_number": 2, "files": [ { "id": "/id/file/8885", "fileid": 8885, "datasetid": "document", "objectid": 1422, "filename": "Staros_b_1950.pdf", "mime_type": "application/pdf", "filesize": 2832843, "mtime": "2012-12-26 02:33:45", "url": "/930/1/Staros_b_1950.pdf" } ], "eprint_id": 930, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Staros_b_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Staros_b_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18218" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18218" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18218" } ] } }, { "id": "/id/document/18218", "doc_id": 18218, "rev_number": 2, "files": [ { "id": "/id/file/8883", "fileid": 8883, "datasetid": "document", "objectid": 18218, "filename": "preview.png", "mime_type": "image/png", "hash": "483c51e0afc12d8a406af34de6b46943", "hash_type": "MD5", "filesize": 9987, "mtime": "2012-12-26 02:33:45", "url": "/930/2/preview.png" } ], "eprint_id": 930, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1422" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1422" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1422" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/30", "datestamp": "2009-03-13", "lastmod": "2023-04-20 23:07:33", "status_changed": "2009-09-25 01:50:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Staros-Basil", "name": { "family": "Staros", "given": "Basil" }, "show_email": "NO" } ] }, "title": "Investigation of Effect of Energy Dissipation Behind a Detached Shock Wave on Total Head Measurements", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The flow field behind a detached shock wave, created by a blunt body in a supersonic air stream, is analyzed with respect to energy dissipation through the action of viscosity in the fluid stress field near the axis of symmetry. This energy dissipation is related to the rise in entropy, and consequently to the additional drop in reservoir pressure beyond that given by the Rayleigh pilot tube formula. The method is applied to the calculations of an apparent defect in reservoir pressure, for more precise calculations of free stream Mach numbers using total head tube measurements.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-03112009-092800", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03112009-092800", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-13", "doi": "10.7907/TQG5-4092", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-11", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-03-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Staros, Basil" }, { "id": "/id/eprint/605", "eprint_id": 605, "rev_number": 11, "documents": [ { "id": "/id/document/906", "doc_id": 906, "rev_number": 2, "files": [ { "id": "/id/file/5686", "fileid": 5686, "datasetid": "document", "objectid": 906, "filename": "Rowney_jv_1950.pdf", "mime_type": "application/pdf", "filesize": 6075126, "mtime": "2012-12-26 02:30:56", "url": "/605/1/Rowney_jv_1950.pdf" } ], "eprint_id": 605, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rowney_jv_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Rowney_jv_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17708" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17708" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17708" } ] } }, { "id": "/id/document/17708", "doc_id": 17708, "rev_number": 2, "files": [ { "id": "/id/file/5684", "fileid": 5684, "datasetid": "document", "objectid": 17708, "filename": "preview.png", "mime_type": "image/png", "hash": "239c97f6f7c98e92fff996cc24404966", "hash_type": "MD5", "filesize": 8991, "mtime": "2012-12-26 02:30:56", "url": "/605/2/preview.png" } ], "eprint_id": 605, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/906" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/906" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/906" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/05", "datestamp": "2009-02-13", "lastmod": "2023-04-10 22:07:42", "status_changed": "2009-09-25 01:41:26", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rowney-James-Victor", "name": { "family": "Rowney", "given": "James Victor" }, "show_email": "NO" } ] }, "title": "Application of the Ram Jet to Vertical Ascent", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\t\r\n\r\nThe purpose of this paper is to investigate the applicability of the ramjet to replace the first step of a two-step or multi-step rocket, with the hope of increasing the efficiency and performance of vertical ascent missiles of the present day. The ramjet is considered as a booster motor to boost the primary missile through the atmosphere. It is to be discarded from the primary missile after reaching its maximum velocity. To boost the ramjet to operating speed the second stage rocket must be operated for the first few seconds as a ducted rocket.\r\n\r\nGeneral ramjet performance is calculated graphically by using a step-by-step integration process to solve the differential equation of motion. The resulting flight velocity, fuel consumption per initial weight, and altitude are presented graphically in terms of time after launching the ramjet. It is assumed throughout the problem that gravity is constant and that the altitude necessary to start the ramjet is negligible. The acceleration of the missile is limited to 25 g's.\r\n\r\nImportant results present in this paper are: The most important factor that limits the performance of the ramjet is the air density ratio. The greatest increase in second-step launching altitude, by improved thrust and drag coefficients and increased ramjet cross-section area, is achieved at low ramjet launching velocities. The performance of the ramjet missile operating at a specific fuel consumption of .0007 [...] shows a marked increase of efficiency over a missile using a higher fuel consumption value. Missiles using a lower specific fuel consumption value, of the same order as the increased value, show negligible improvement in efficiency. When ramjet performance is compared to rocket performance; specifically, maximum velocity, altitude of maximum speed and altitude attained, the ramjet missile will burn only one third of the fuel required by a two-step rocket. Conversely, for the same fuel consumed, the ramjet missile will attain 65% more altitude than the two-step rocket.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02112009-094718", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02112009-094718", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-13", "doi": "10.7907/DRA1-DS60", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-11", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Rowney, James Victor" }, { "id": "/id/eprint/513", "eprint_id": 513, "rev_number": 10, "documents": [ { "id": "/id/document/752", "doc_id": 752, "rev_number": 2, "files": [ { "id": "/id/file/4790", "fileid": 4790, "datasetid": "document", "objectid": 752, "filename": "Geisberg_rl_1950.pdf", "mime_type": "application/pdf", "filesize": 1708892, "mtime": "2012-12-26 02:30:12", "url": "/513/1/Geisberg_rl_1950.pdf" } ], "eprint_id": 513, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Geisberg_rl_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Geisberg_rl_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17567" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17567" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17567" } ] } }, { "id": "/id/document/17567", "doc_id": 17567, "rev_number": 2, "files": [ { "id": "/id/file/4788", "fileid": 4788, "datasetid": "document", "objectid": 17567, "filename": "preview.png", "mime_type": "image/png", "hash": "6137c757520aea0b13e500548c23d34d", "hash_type": "MD5", "filesize": 8754, "mtime": "2012-12-26 02:30:12", "url": "/513/2/preview.png" } ], "eprint_id": 513, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/752" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/752" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/752" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/13", "datestamp": "2009-02-10", "lastmod": "2023-03-31 18:25:28", "status_changed": "2009-09-25 01:39:00", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Geisberg-Ralph Lewis", "name": { "family": "Geisberg", "given": "Ralph Lewis" }, "show_email": "NO" } ] }, "title": "Transient Analysis Methods for Determining the Longitudinal Stability Derivatives of a Submerged Body from Free Flight Tests", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The stability derivatives obtainable from dynamic free flight tests are determined. Methods for reducing flight test data to the form of stability derivatives using the Fourier integral and the Laplace transform are developed.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02052009-152837", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02052009-152837", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-10", "doi": "10.7907/H9NV-2777", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "chair" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "member" }, { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-05", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Geisberg, Ralph Lewis" }, { "id": "/id/eprint/16199", "eprint_id": 16199, "rev_number": 13, "documents": [ { "id": "/id/document/140385", "doc_id": 140385, "rev_number": 3, "files": [ { "id": "/id/file/418469", "fileid": 418469, "datasetid": "document", "objectid": 140385, "filename": "De Lauer_RD_1950.zip", "mime_type": "application/zip", "hash": "df6759dbd13e39a88356ba2b30b652c8", "hash_type": "MD5", "filesize": 164031666, "mtime": "2023-09-29 23:38:15", "url": "/16199/1/De Lauer_RD_1950.zip" } ], "eprint_id": 16199, "pos": 1, "placement": 1, "mime_type": "application/zip", "format": "application/zip", "format_desc": "source files", "language": "en", "security": "internal", "license": "other", "main": "De Lauer_RD_1950.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "archival" }, { "id": "/id/document/140386", "doc_id": 140386, "rev_number": 2, "files": [ { "id": "/id/file/418474", "fileid": 418474, "datasetid": "document", "objectid": 140386, "filename": "De Lauer_RD_1950.pdf", "mime_type": "application/pdf", "hash": "77ec026f10379ad620af5e1ba017a23c", "hash_type": "MD5", "filesize": 56087013, "mtime": "2023-09-29 23:47:29", "url": "/16199/2/De Lauer_RD_1950.pdf" } ], "eprint_id": 16199, "pos": 2, "placement": 2, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "De Lauer_RD_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/140387", "doc_id": 140387, "rev_number": 1, "files": [ { "id": "/id/file/418478", "fileid": 418478, "datasetid": "document", "objectid": 140387, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "4787152e04f354c1aaefd01e62dbefd0", "hash_type": "MD5", "filesize": 10097, "mtime": "2023-09-29 23:47:57", "url": "/16199/3/indexcodes.txt" } ], "eprint_id": 16199, "pos": 3, "placement": 3, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/140386" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/140386" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/140386" } ] } } ], "eprint_status": "archive", "userid": 34, "dir": "disk0/00/01/61/99", "datestamp": "2023-09-29 23:47:59", "lastmod": "2023-09-29 23:48:55", "status_changed": "2023-09-29 23:47:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "DeLauer-Richard-Daniel", "name": { "family": "DeLauer", "given": "Richard Daniel" }, "show_email": "NO" } ] }, "title": "Aerodynamic Characteristics of a Wedge and Cone at Hypersonic Mach Numbers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The problem of predicting the aerodynamic characteristics of configurations at hypersonic Mach numbers has been unreliable due to the lack of experimental data.
\r\n\r\nBy predicting the aerodynamic characteristics of a wedge and cone at Mach numbers from 2 to 12 by four different supersonic theories, a basis for future experimental comparison was provided.
\r\n\r\nAn attempt was made to correlate the theoretical result of a 20\u00b0 wedge and cone with wind tunnel test results of the same configuration. However, due to scheduling difficulties the experimental phase was not completed in time enough to be included in this report.
\r\n\r\nThe theoretical results indicate that the hypersonic similarity solution gives close agreement with the exact solution for large Mach numbers. The linearized and second order theory deviates from the exact solution for Mach numbers greater than 3.
", "date": "1950", "date_type": "degree", "id_number": "CaltechThesis:09292023-233404349", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechThesis:09292023-233404349", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Kathy Johnson", "deposited_on": "2023-09-29 23:47:59", "doi": "10.7907/rndh-4a17", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-11", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "DeLauer, Richard Daniel" }, { "id": "/id/eprint/949", "eprint_id": 949, "rev_number": 11, "documents": [ { "id": "/id/document/1467", "doc_id": 1467, "rev_number": 2, "files": [ { "id": "/id/file/9089", "fileid": 9089, "datasetid": "document", "objectid": 1467, "filename": "Wechsler_jw_1950.pdf", "mime_type": "application/pdf", "filesize": 8160250, "mtime": "2012-12-26 02:33:55", "url": "/949/1/Wechsler_jw_1950.pdf" } ], "eprint_id": 949, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wechsler_jw_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Wechsler_jw_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18248" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18248" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18248" } ] } }, { "id": "/id/document/18248", "doc_id": 18248, "rev_number": 2, "files": [ { "id": "/id/file/9087", "fileid": 9087, "datasetid": "document", "objectid": 18248, "filename": "preview.png", "mime_type": "image/png", "hash": "b3e2cf76bb33ca9ace7b1460f7b37f7e", "hash_type": "MD5", "filesize": 10224, "mtime": "2012-12-26 02:33:55", "url": "/949/2/preview.png" } ], "eprint_id": 949, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1467" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1467" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1467" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/49", "datestamp": "2009-03-16", "lastmod": "2019-12-21 04:28:01", "status_changed": "2009-09-25 01:51:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wechsler-Joseph-Wolff", "name": { "family": "Wechsler", "given": "Joseph Wolff" }, "show_email": "NO" } ] }, "title": "An Investigation of the Application of the Rayleigh-Ritz Method to the Deflection of a Small Aspect Ratio Swept Plate of Uniform Thickness", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "An investigation was initiated to examine the possibility of improving the rate of convergence of a series solution for the deflection of a swept cantilever plate of uniform thickness, using the Rayleigh-Ritz method, by applying the solution to low aspect ratio plates instead of high aspect ratio plates as had been done previously. The Rayleigh-Ritz deflection functions which were used were products of vibration modes of uniform clamped-free and free-free bars.
\r\n\r\nDeflections were computed, using six terms in the series, for three different loading conditions at sweep angles of 20\u00b0, 40\u00b0, and 60\u00b0. The results, plotted against experimental data in Figures 7 to 24, show that the rate of convergence is satisfactory only for angles of sweep of 20\u00b0 or less. Since the cases of sweep of 20\u00b0 or more are of most interest in the application to swept back aircraft wings, it was concluded that the rate of convergence is not satisfactory.
\r\n\r\nThe possibility of improving the rate of convergence of the series solution by solving for the difference between the true deflections and the deflections given by some approximate formula was indicated as the next step in arriving at a satisfactory solution. It was pointed out that the experimental data mentioned above would provide a valuable guide in the formulation of such an approximate formula.
\r\n", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-03132009-153457", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03132009-153457", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-16", "doi": "10.7907/JSWQ-0P95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-13", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-03-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Wechsler, Joseph Wolff" }, { "id": "/id/eprint/971", "eprint_id": 971, "rev_number": 11, "documents": [ { "id": "/id/document/1500", "doc_id": 1500, "rev_number": 2, "files": [ { "id": "/id/file/9325", "fileid": 9325, "datasetid": "document", "objectid": 1500, "filename": "Welch_f_1950.pdf", "mime_type": "application/pdf", "filesize": 4436455, "mtime": "2012-12-26 02:34:12", "url": "/971/1/Welch_f_1950.pdf" } ], "eprint_id": 971, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Welch_f_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Welch_f_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18283" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18283" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18283" } ] } }, { "id": "/id/document/18283", "doc_id": 18283, "rev_number": 2, "files": [ { "id": "/id/file/9323", "fileid": 9323, "datasetid": "document", "objectid": 18283, "filename": "preview.png", "mime_type": "image/png", "hash": "344a8f01c6363c653a40be2ce81f4747", "hash_type": "MD5", "filesize": 9657, "mtime": "2012-12-26 02:34:12", "url": "/971/2/preview.png" } ], "eprint_id": 971, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1500" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1500" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1500" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/09/71", "datestamp": "2009-03-17", "lastmod": "2023-04-21 00:06:41", "status_changed": "2009-09-25 01:52:00", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Welch-Frank", "name": { "family": "Welch", "given": "Frank" }, "show_email": "NO" } ] }, "title": "Analysis of an Inclined Thrust Axis as Applied to a Ramjet Propelled Aircraft", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The low values of lift-drag ratio attained by supersonic wing configurations provide the opportunity for the utilization of an inclined thrust axis. The exhaust jet of a ramjet propelled aircraft is inclined in order to use some of the jet force to supply additional lift. This has the effect of augmenting the lift by the relatively large sine component of the jet force whereas the thrust in the flight direction is reduced only by the smaller change in the cosine component.\r\n\r\nIt was found that this principle offers a substantial decrease in fuel consumption over that of a normal ramjet for probable values of lift-drag ratios above Mach number 1.5. Almost all of the possible decrease can be obtained with jet inclination angles of 15\u00b0 or less.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-03162009-142841", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03162009-142841", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-17", "doi": "10.7907/T1QH-QJ51", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-16", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-03-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Welch, Frank" }, { "id": "/id/eprint/1483", "eprint_id": 1483, "rev_number": 9, "documents": [ { "id": "/id/document/2257", "doc_id": 2257, "rev_number": 2, "files": [ { "id": "/id/file/14071", "fileid": 14071, "datasetid": "document", "objectid": 2257, "filename": "Ashenkenas_hi_1950.pdf", "mime_type": "application/pdf", "filesize": 6177190, "mtime": "2012-12-26 02:38:27", "url": "/1483/1/Ashenkenas_hi_1950.pdf" } ], "eprint_id": 1483, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ashenkenas_hi_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Ashenkenas_hi_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/19011" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/19011" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/19011" } ] } }, { "id": "/id/document/19011", "doc_id": 19011, "rev_number": 2, "files": [ { "id": "/id/file/14069", "fileid": 14069, "datasetid": "document", "objectid": 19011, "filename": "preview.png", "mime_type": "image/png", "hash": "75b96685538982677a314938b3ea750b", "hash_type": "MD5", "filesize": 9399, "mtime": "2012-12-26 02:38:27", "url": "/1483/2/preview.png" } ], "eprint_id": 1483, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2257" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2257" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2257" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/83", "datestamp": "2008-04-25", "lastmod": "2023-03-31 17:08:42", "status_changed": "2009-09-25 02:05:45", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ashkenas-Harry-Israel", "name": { "family": "Ashkenas", "given": "Harry Israel" }, "show_email": "NO" } ] }, "title": "The Design and Construction of a Mach-Zehnder Interferometer for Use with the GALCIT Transonic Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A Mach-Zehnder Interferometer has been designed and constructed for use in conjunction with the GALCIT Transonic Wind Tunnel. The instrument is to be utilized in making detailed density measurements of supersonic air streams. The design of the instrument is such that, contrary to general wind tunnel practice, both light beams of the interferometer traverse the test section of the wind tunnel in an effort to minimize boundary layer corrections. A detailed description of the instrument is presented, as well as a \u201ccook-book\u201d adjustment procedure. A discussion of the limitations of the instrument is included.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-04232008-154118", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04232008-154118", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-04-25", "doi": "10.7907/D0V1-MJ80", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-04-23", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2008-04-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Ashkenas, Harry Israel" }, { "id": "/id/eprint/579", "eprint_id": 579, "rev_number": 13, "documents": [ { "id": "/id/document/872", "doc_id": 872, "rev_number": 2, "files": [ { "id": "/id/file/5463", "fileid": 5463, "datasetid": "document", "objectid": 872, "filename": "Kane_jc_1950.pdf", "mime_type": "application/pdf", "filesize": 9413351, "mtime": "2012-12-26 02:30:46", "url": "/579/1/Kane_jc_1950.pdf" } ], "eprint_id": 579, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kane_jc_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Kane_jc_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17675" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17675" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17675" } ] } }, { "id": "/id/document/17675", "doc_id": 17675, "rev_number": 2, "files": [ { "id": "/id/file/5461", "fileid": 5461, "datasetid": "document", "objectid": 17675, "filename": "preview.png", "mime_type": "image/png", "hash": "8d1e09cde2b741377100caefb4289d2a", "hash_type": "MD5", "filesize": 10164, "mtime": "2012-12-26 02:30:46", "url": "/579/2/preview.png" } ], "eprint_id": 579, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/872" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/872" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/872" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/79", "datestamp": "2009-02-10", "lastmod": "2023-04-13 22:20:05", "status_changed": "2009-09-25 01:40:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kane-John-Clarence", "name": { "family": "Kane", "given": "John Clarence" }, "show_email": "NO" } ] }, "title": "Correlation of Fatigue Data to Determine Stress Concentration Factors in 76s-T Aluminum Alloys", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The purpose of this study was to determine the stress concentration factor in a shoulder under a cyclic tensile load. The test specimens were models of a propeller blade root section similar to the blade design now employed in the fans of the Cooperative Wind Tunnel. All specimens were given a 5 microinch finish and all were made of 76S-T aluminum alloy taken from an actual propeller blade forging. Two series of tests were conducted. One series consisted of a cyclic tensile load varying from zero to maximum over a nominal stress range from 21,000 psi to 28,000 psi. The other series consisted of a cyclic load, wherein the amplitude of the cyclic stress was varied from 20 to 50 percent of the maximum developed stress. These two conditions would correspond respectively to the \"start-stop\" cycle of wind tunnel operation and to constant speed tunnel operation.
\r\n\r\nIt was found that the stress concentration factor determined from the fatigue test results closely approximated the results obtained from the three dimensional static tests of the actual blade.
\r\n\r\nThis work was carried out by the authors at the Guggenheim Aeronautical Laboratory, California Institute of Technology, under the supervision of Dr. E. E. Sechler.
\r\n", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02092009-081322", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02092009-081322", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-10", "doi": "10.7907/FHCF-VX77", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Hudson-D-E", "name": { "family": "Hudson", "given": "Donald E." }, "role": "advisor" }, { "id": "Fung-Yuan-cheng", "name": { "family": "Fung", "given": "Yuan-cheng" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-09", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Kane, John Clarence" }, { "id": "/id/eprint/608", "eprint_id": 608, "rev_number": 9, "documents": [ { "id": "/id/document/909", "doc_id": 909, "rev_number": 2, "files": [ { "id": "/id/file/5709", "fileid": 5709, "datasetid": "document", "objectid": 909, "filename": "Scherer_lr_1950.pdf", "mime_type": "application/pdf", "filesize": 7806899, "mtime": "2012-12-26 02:30:57", "url": "/608/1/Scherer_lr_1950.pdf" } ], "eprint_id": 608, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Scherer_lr_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Scherer_lr_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17711" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17711" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17711" } ] } }, { "id": "/id/document/17711", "doc_id": 17711, "rev_number": 2, "files": [ { "id": "/id/file/5707", "fileid": 5707, "datasetid": "document", "objectid": 17711, "filename": "preview.png", "mime_type": "image/png", "hash": "7b5a5dcb86c9863a563cb2f5ab33545e", "hash_type": "MD5", "filesize": 8357, "mtime": "2012-12-26 02:30:57", "url": "/608/2/preview.png" } ], "eprint_id": 608, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/909" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/909" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/909" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/08", "datestamp": "2009-02-13", "lastmod": "2023-04-20 22:41:10", "status_changed": "2009-09-25 01:41:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Scherer-Lee-Richard", "name": { "family": "Scherer", "given": "Lee Richard" }, "show_email": "NO" } ] }, "title": "Aerodynamic Characteristics of a Wedge and Cone at Hypersonic Mach Numbers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Up to the present time, the reliability of the determination of aerodynamic characteristics at hypersonic Mach numbers by theoretical calculations has been unknown due to the lack of experimental data. This report is the calculations of these characteristics by four different theories of a wedge and a cone over a range of Mach numbers from 2 to 12.\r\n\r\nCorrelation of these results with wind tunnel tests was not possible due to scheduling difficulties of the hypersonic wind tunnel; therefore, this report is designed to serve as the basis for comparison of future hypersonic experiments.\r\n\r\nFrom correlation of the various theories it is found that the closest agreement to the exact theory at hypersonic speeds is given by the hypersonic similarity theory. Above Mach numbers of about 3, the first and second order theories deviate considerably from the exact theory.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02112009-150520", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02112009-150520", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-13", "doi": "10.7907/29PE-XX71", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-11", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Scherer, Lee Richard" }, { "id": "/id/eprint/676", "eprint_id": 676, "rev_number": 11, "documents": [ { "id": "/id/document/997", "doc_id": 997, "rev_number": 2, "files": [ { "id": "/id/file/6294", "fileid": 6294, "datasetid": "document", "objectid": 997, "filename": "Matzdorff_re_1950.pdf", "mime_type": "application/pdf", "filesize": 5864012, "mtime": "2012-12-26 02:31:24", "url": "/676/1/Matzdorff_re_1950.pdf" } ], "eprint_id": 676, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Matzdorff_re_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Matzdorff_re_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17799" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17799" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17799" } ] } }, { "id": "/id/document/17799", "doc_id": 17799, "rev_number": 2, "files": [ { "id": "/id/file/6292", "fileid": 6292, "datasetid": "document", "objectid": 17799, "filename": "preview.png", "mime_type": "image/png", "hash": "f383c130be3e0b4dde66d989c9935e6a", "hash_type": "MD5", "filesize": 8879, "mtime": "2012-12-26 02:31:24", "url": "/676/2/preview.png" } ], "eprint_id": 676, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/997" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/997" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/997" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/76", "datestamp": "2009-02-19", "lastmod": "2023-04-10 21:47:50", "status_changed": "2009-09-25 01:43:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Matzdorff-Roger-Edward", "name": { "family": "Matzdorff", "given": "Roger Edward" }, "show_email": "NO" } ] }, "title": "Castable Plastics in Photoelastics Stress Analysis", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was begun on the feasibility of utilizing castable, thermosetting plastics in experimental stress analysis by means of either photoelasticity or electrical strain gages imbedded in the plastic.\r\n\r\nThe first phase of the study was the development of a casting technique that would give a stress free casting suitable for photoelastic work. This was considerably complicated by the inherent shrinkage which occurs during the polymerization of the plastic. A good method was found for casting solid models, and a workable method was devised for casting hollow section models.\r\n\r\nThe second phase constituted the development and evaluation of the optimum physical properties of a resin known as Castolite. The results were encouraging with the exception that the strain creep was excessive. The rate of creep, however, is slow and it is possible to use the material for two dimensional photoelasticity with results comparable to those obtained from other photo-elastic materials. The desirable features are a very low optical creep, stress-strain and stress-fringe number curves that are linear for constant loading time, no time-edge stress effects, chemical stability under high temperatures, modulus of elasticity of 600,000 psi, and a fringe value of 175 psi per in-fringe in tension.\r\n\r\nAn additional feature is the ability to bond two or more cured plastic pieces together with the liquid plastic itself. The strength of the bonded area is equal to the rest of the structure.\r\n\r\nThree dimensional frozen stress properties were not determined, but there is evidence that the resin would be suitable.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02182009-112040", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02182009-112040", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-19", "doi": "10.7907/1CAZ-4A36", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Williams-M-L", "name": { "family": "Williams", "given": "Max L." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-18", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Matzdorff, Roger Edward" }, { "id": "/id/eprint/746", "eprint_id": 746, "rev_number": 10, "documents": [ { "id": "/id/document/1117", "doc_id": 1117, "rev_number": 2, "files": [ { "id": "/id/file/7006", "fileid": 7006, "datasetid": "document", "objectid": 1117, "filename": "Chase_ps_1950.pdf", "mime_type": "application/pdf", "filesize": 6608000, "mtime": "2012-12-26 02:32:06", "url": "/746/1/Chase_ps_1950.pdf" } ], "eprint_id": 746, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chase_ps_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Chase_ps_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17918" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17918" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17918" } ] } }, { "id": "/id/document/17918", "doc_id": 17918, "rev_number": 2, "files": [ { "id": "/id/file/7004", "fileid": 7004, "datasetid": "document", "objectid": 17918, "filename": "preview.png", "mime_type": "image/png", "hash": "f5a9be9a8724fff1230f9937390da502", "hash_type": "MD5", "filesize": 7815, "mtime": "2012-12-26 02:32:06", "url": "/746/2/preview.png" } ], "eprint_id": 746, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1117" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1117" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1117" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/07/46", "datestamp": "2009-02-24", "lastmod": "2023-04-11 00:08:51", "status_changed": "2009-09-25 01:45:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chase-Patrick-Stanley", "name": { "family": "Chase", "given": "Patrick Stanley" }, "show_email": "NO" } ] }, "title": "Flexible Plate Supersonic Wind Tunnel Flow Correction to Account for Plate Elastic Properties", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A method of correcting the static pressure distribution in the working section of a supersonic wind tunnel with flexible nozzle walls is investigated, in order to account for the discrepancy between the theoretical nozzle wall shape and the actual wall shape due to its elastic properties.\r\n\r\nThe method of correction is described and an example for an existing wind tunnel is carried out. It is shown that the method of correction is not successful due to the inadequate accuracy of the data from physical measurements and due to the nature of the equations which must be solved. While the former difficulty could possibly be avoided, the latter is considered to be inherent in the method.\r\n\r\nSuggestions and criticisms are offered and some results of the investigation regarding correction of the actual wind tunnel static pressure distributions are mentioned.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02242009-093505", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02242009-093505", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-24", "doi": "10.7907/EC0T-P917", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-24", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Chase, Patrick Stanley" }, { "id": "/id/eprint/498", "eprint_id": 498, "rev_number": 10, "documents": [ { "id": "/id/document/734", "doc_id": 734, "rev_number": 2, "files": [ { "id": "/id/file/4670", "fileid": 4670, "datasetid": "document", "objectid": 734, "filename": "Bryan_wc_1950.pdf", "mime_type": "application/pdf", "filesize": 8155592, "mtime": "2012-12-26 02:30:07", "url": "/498/1/Bryan_wc_1950.pdf" } ], "eprint_id": 498, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bryan_wc_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Bryan_wc_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17551" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17551" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17551" } ] } }, { "id": "/id/document/17551", "doc_id": 17551, "rev_number": 2, "files": [ { "id": "/id/file/4668", "fileid": 4668, "datasetid": "document", "objectid": 17551, "filename": "preview.png", "mime_type": "image/png", "hash": "7203f812137949ca62793d76b14a53a0", "hash_type": "MD5", "filesize": 9067, "mtime": "2012-12-26 02:30:07", "url": "/498/2/preview.png" } ], "eprint_id": 498, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/734" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/734" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/734" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/04/98", "datestamp": "2009-02-04", "lastmod": "2023-03-31 17:22:03", "status_changed": "2009-09-25 01:38:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bryan-William-Cleveland", "name": { "family": "Bryan", "given": "William Cleveland" }, "show_email": "NO" } ] }, "title": "Experimental Investigation of Detached Shock on a 70\u00b0 Cone at Various Angles of Attack", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The results of an experimental investigation into the variation of the shock wave shape and the extent of the subsonic region behind the shock with varying angle of attack at various Mach numbers are summarized. All tests are made on a finite 70\u00b0 cone. The main interest is centered on those Mach numbers which are low enough to produce detached shocks or for which the possibility of detachment exists for increasing angles of attack.\r\n\r\nThe angles of attack for which the investigation is made are 0\u00b0, 3\u00b0, 6\u00b0, 9\u00b0, 12\u00b0 and 15\u00b0. The Mach numbers considered are 1.438, 1.544, 1.584, 1.857, 1.986, and 3.01.\r\n\r\nIt is found that, for increasing angles of attack at constant Mach numbers, the extent of the subsonic region increases behind the lower shock and decreases behind the upper shock. A subsonic region appears at increased angle of attack for two of the Mach numbers for which the shocks are initially attached. There is also quite definite interaction between the upper and lower portions of the shock which tends to inhibit both the appearance of a subsonic region after the shock on the one hand and the disappearance of it on the other.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02042009-100038", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02042009-100038", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-04", "doi": "10.7907/XAZW-8051", "alt_title": { "items": [ "Experimental Investigation of Detached Shock on a 70 degree Cone at Various Angles of Attack" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-04", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-04", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Bryan, William Cleveland" }, { "id": "/id/eprint/578", "eprint_id": 578, "rev_number": 9, "documents": [ { "id": "/id/document/871", "doc_id": 871, "rev_number": 2, "files": [ { "id": "/id/file/5456", "fileid": 5456, "datasetid": "document", "objectid": 871, "filename": "Oliver_rn_1950.pdf", "mime_type": "application/pdf", "filesize": 7033132, "mtime": "2012-12-26 02:30:46", "url": "/578/1/Oliver_rn_1950.pdf" } ], "eprint_id": 578, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Oliver_rn_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Oliver_rn_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17674" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17674" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17674" } ] } }, { "id": "/id/document/17674", "doc_id": 17674, "rev_number": 2, "files": [ { "id": "/id/file/5454", "fileid": 5454, "datasetid": "document", "objectid": 17674, "filename": "preview.png", "mime_type": "image/png", "hash": "1d5d78cad4adf5dfd849445aeb013d43", "hash_type": "MD5", "filesize": 10510, "mtime": "2012-12-26 02:30:45", "url": "/578/2/preview.png" } ], "eprint_id": 578, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/871" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/871" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/871" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/78", "datestamp": "2009-02-10", "lastmod": "2023-03-31 19:38:40", "status_changed": "2009-09-25 01:40:40", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Oliver-Robert-Norris", "name": { "family": "Oliver", "given": "Robert Norris" }, "show_email": "NO" } ] }, "title": "Experimental Determination of Accommodation Coefficients as Functions of Temperature for Several Metals and Gases", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe accommodation coefficients for the gases and metals tested vary rapidly in the range where the gas temperature is within approximately 50\u00b0C of the filament temperature.\r\n\r\nWhen the temperature excess becomes large, the [...] of argon, nitrogen and helium on platinum is approximately .7, .5 and .2, respectively, and on tungsten approximately .5, .35 and .15, although the actual value depends upon both filament and gas temperature.\r\n\r\nVariation in pressure up to 150 microns was found to have a negligible effect on [...].\r\n\r\nAll gases and metals tested gave smooth curves of [...] versus temperature except helium on tungsten at a gas temperature of 80\u00b0 K., which exhibited a sharp discontinuity at a filament temperature of approximately 225\u00b0 K. and a pressure of 34 microns.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02092009-080824", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02092009-080824", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-10", "doi": "10.7907/MDBN-3R17", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-09", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Oliver, Robert Norris" }, { "id": "/id/eprint/472", "eprint_id": 472, "rev_number": 10, "documents": [ { "id": "/id/document/708", "doc_id": 708, "rev_number": 2, "files": [ { "id": "/id/file/4473", "fileid": 4473, "datasetid": "document", "objectid": 708, "filename": "Barish_dt_1950.pdf", "mime_type": "application/pdf", "filesize": 7891383, "mtime": "2012-12-26 02:29:59", "url": "/472/1/Barish_dt_1950.pdf" } ], "eprint_id": 472, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Barish_dt_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Barish_dt_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17525" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17525" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17525" } ] } }, { "id": "/id/document/17525", "doc_id": 17525, "rev_number": 2, "files": [ { "id": "/id/file/4471", "fileid": 4471, "datasetid": "document", "objectid": 17525, "filename": "preview.png", "mime_type": "image/png", "hash": "6435efe15b15c3c36993c1edae78288a", "hash_type": "MD5", "filesize": 7396, "mtime": "2012-12-26 02:29:59", "url": "/472/2/preview.png" } ], "eprint_id": 472, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/708" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/708" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/708" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/04/72", "datestamp": "2009-02-02", "lastmod": "2023-04-10 23:08:54", "status_changed": "2009-09-25 01:38:09", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Barish-David-Theodore", "name": { "family": "Barish", "given": "David Theodore" }, "show_email": "NO" } ] }, "title": "Acoustical Airspeed Indicators", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Some of the problems associated with the applications of acoustical devices for the determination of airstream characteristics are considered in this study. The velocity and pressure fields for both point sound sources and finite sound sources in both subsonic and supersonic flow are discussed, with a view toward using sound waves for the determination of velocity, Mach number , temperature, and other properties of a flow.\r\n\r\nThe experimental investigations included the measurement of the spectra of ultra-audio-pressure pulsations, both static and total, in the small C.I.T. supersonic tunnel and also in the C.I.T. hypersonic tunnel. A broad range of Mach numbers and a variety of operating conditions were covered. The development of a modified Hartmann sound generator is described, and measurements of the sound field from this device in supersonic flow are included.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02022009-083911", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02022009-083911", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-02", "doi": "10.7907/FR7P-K372", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-02", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Barish, David Theodore" }, { "id": "/id/eprint/891", "eprint_id": 891, "rev_number": 9, "documents": [ { "id": "/id/document/1357", "doc_id": 1357, "rev_number": 2, "files": [ { "id": "/id/file/8483", "fileid": 8483, "datasetid": "document", "objectid": 1357, "filename": "Shepherd_jt_1950.pdf", "mime_type": "application/pdf", "filesize": 9713202, "mtime": "2012-12-26 02:33:23", "url": "/891/1/Shepherd_jt_1950.pdf" } ], "eprint_id": 891, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Shepherd_jt_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Shepherd_jt_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18153" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18153" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18153" } ] } }, { "id": "/id/document/18153", "doc_id": 18153, "rev_number": 2, "files": [ { "id": "/id/file/8481", "fileid": 8481, "datasetid": "document", "objectid": 18153, "filename": "preview.png", "mime_type": "image/png", "hash": "89c4d8d8f7d36095f1a18bb7a23bc597", "hash_type": "MD5", "filesize": 8944, "mtime": "2012-12-26 02:33:23", "url": "/891/2/preview.png" } ], "eprint_id": 891, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1357" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1357" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1357" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/08/91", "datestamp": "2009-03-09", "lastmod": "2023-04-20 22:55:06", "status_changed": "2009-09-25 01:49:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Shepherd-John-Tyler", "name": { "family": "Shepherd", "given": "John Tyler" }, "show_email": "NO" } ] }, "title": "Correlation of Fatigue Data to Determine Stress Concentration Factors in 76S-T Aluminum Alloys", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The basic problem of this particular investigation was to determine the stress concentration factors present at a shoulder in the root section of a model propeller blade manufactured from 76S-T aluminum alloy. The particular geometric section considered is found in the type propeller blades such as will be installed soon in the Southern California Cooperative Mind Tunnel, Pasadena, California. These blades were manufactured from forgings of 76S-T by the Hamilton Standard Propeller Division of the United Aircraft Corporation. Stress concentration factors were determined for what will be called the \"critical section\" of the blade. This section is understood to mean the cross section of minimum area which is located immediately above the stress-raising fillet at the junction of the blade itself and the root flange.\r\n\r\nA secondary purpose of the investigation was to correlate these data with two other experiments that had already been carried out for this particular blade shape. These earlier experiments determined the magnitudes of surface stresses in the critical section, one utilizing a full-scale, three-dimensional model, and the other a two-dimensional full scale model one inch thick. Both of these experiments utilized static tension loads, the loads being applied over the upper surface of the flange, exactly as they are assumed to act when the blade is rotating in the wind tunnel. Also, an attempt was made to compare the data obtained in this investigation with other fatigue tests of a more general nature.\r\n\r\nThe tests made in this present investigation were all of a fatigue nature, in which one-tenth scale models of the actual blade were used as fatigue specimens. Two types of loading were used. The first consisted of a cyclic loading between varying upper tension limits to zero stress, and the second consisted of a constant upper tension stress limit with varying minimum stresses.\r\n\r\nTests were conducted using an upper tension nominal stress limit of approximately 28,000 psi and were extended to tension stresses of lower values which gave a fatigue life of more than 15,000,000 cycles. Due to the slow rate of loading (2,500,000 per day) in the Sonntag Universal Fatigue Testing Machine, the investigation was not continued to the generally accepted value of 500,000,000 cycles which marks the upper cyclic limit of fatigue investigations.\r\n\r\nIt was found that stress concentration factors determined from this type of fatigue testing came surprisingly close to those determined from the full-scale, three-dimensional, static tests.\r\n\r\nThe selection of the type loadings used was not entirely arbitrary. The stress cycle, which varied from zero to a peak tension value and then to zero again, would closely simulate the loadings in a start-stop cycle; while the superposition of a cyclic stress upon a steady tension load would result in approximately the type of loading experienced by the blade when it was rotating at a constant angular speed under aeroelastic axial forces.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-03062009-160046", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-03062009-160046", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-09", "doi": "10.7907/XMFM-KC84", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-03-06", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-03-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Shepherd, John Tyler" }, { "id": "/id/eprint/621", "eprint_id": 621, "rev_number": 10, "documents": [ { "id": "/id/document/925", "doc_id": 925, "rev_number": 2, "files": [ { "id": "/id/file/5816", "fileid": 5816, "datasetid": "document", "objectid": 925, "filename": "Frick_lf_1950.pdf", "mime_type": "application/pdf", "filesize": 11233049, "mtime": "2012-12-26 02:31:01", "url": "/621/1/Frick_lf_1950.pdf" } ], "eprint_id": 621, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Frick_lf_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Frick_lf_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17727" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17727" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17727" } ] } }, { "id": "/id/document/17727", "doc_id": 17727, "rev_number": 2, "files": [ { "id": "/id/file/5814", "fileid": 5814, "datasetid": "document", "objectid": 17727, "filename": "preview.png", "mime_type": "image/png", "hash": "293dfc9884c757c31b2849c330b97a85", "hash_type": "MD5", "filesize": 9475, "mtime": "2012-12-26 02:31:01", "url": "/621/2/preview.png" } ], "eprint_id": 621, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/925" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/925" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/925" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/21", "datestamp": "2009-02-19", "lastmod": "2023-03-31 18:15:02", "status_changed": "2009-09-25 01:41:57", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Frick-Leo-Francis", "name": { "family": "Frick", "given": "Leo Francis" }, "show_email": "NO" } ] }, "title": "Experimental Investigation of Detached Shock on a 70\u00b0 Cone at Various Angles of Attack", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An experimental investigation was made to determine the variation of shock shape and extent of subsonic region behind the shock wave with angle of attack for a 70\u00b0 cone at various Mach numbers. The main interest was centered on those Mach numbers which produced detached shock waves or for which the possibility of detachment at angle of attack existed.\r\n\r\nThe tests were conducted in the GALCIT 2.5\" Supersonic Wind Tunnel at angles of attack of 0\u00b0, 3\u00b0, 6\u00b0, 9\u00b0, 12\u00b0, and 15\u00b0 and Mach numbers of 1.438, 1.544, 1.584, 1.857, 1.986, and 3.01.\r\n\r\nIt was found that, with increasing angle of attack and constant Mach number, the subsonic region behind the shock wave increased in the lower portion and decreased in the upper portion. With increasing Mach number the subsonic region decreased for all angles of attack. Interaction between the upper and lower portions of the shock wave affects the subsonic region behind the wave, suppressing its appearance on the upper surface, retarding its disappearance from the lower surface.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-02122009-125456", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02122009-125456", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-19", "doi": "10.7907/D4TV-0W57", "alt_title": { "items": [ "Experimental investigation of detached shock waves on a 70 degree cone at various angles of attack" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-12", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-02-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Frick, Leo Francis" }, { "id": "/id/eprint/6080", "eprint_id": 6080, "rev_number": 21, "documents": [ { "id": "/id/document/11387", "doc_id": 11387, "rev_number": 4, "files": [ { "id": "/id/file/75495", "fileid": 75495, "datasetid": "document", "objectid": 11387, "filename": "Schmidt_lv_1950.pdf", "mime_type": "application/pdf", "filesize": 88794775, "mtime": "2012-12-26 04:30:50", "url": "/6080/1/Schmidt_lv_1950.pdf" } ], "eprint_id": 6080, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Schmidt_lv_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27025" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27025" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27025" } ] } }, { "id": "/id/document/11388", "doc_id": 11388, "rev_number": 3, "files": [ { "id": "/id/file/206150", "fileid": 206150, "datasetid": "document", "objectid": 11388, "filename": "Schmidt_lv_1950.zip", "mime_type": "application/zip", "filesize": 119573509, "mtime": "2016-08-22 21:20:59", "url": "/6080/2/Schmidt_lv_1950.zip" } ], "eprint_id": 6080, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Schmidt_lv_1950.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27025", "doc_id": 27025, "rev_number": 2, "files": [ { "id": "/id/file/75493", "fileid": 75493, "datasetid": "document", "objectid": 27025, "filename": "preview.png", "mime_type": "image/png", "hash": "bdd8a2c2397c4f3469ee4ed52c71fa36", "hash_type": "MD5", "filesize": 8115, "mtime": "2012-12-26 04:30:49", "url": "/6080/3/preview.png" } ], "eprint_id": 6080, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/11387" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/11387" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/11387" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/80", "datestamp": "2010-09-30 22:02:15", "lastmod": "2023-04-20 22:47:30", "status_changed": "2010-09-30 22:02:14", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Schmidt-Louis-Vincent", "name": { "family": "Schmidt", "given": "Louis Vincent" }, "show_email": "NO" } ] }, "title": "Investigation of Blockage Effects from Flow About Circular Cylinders in a Two-Dimensional Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": " In these investigations a study of the blockage effects encountered in wind tunnel testing was made. Emphasis was placed on obtaining perceptible values of wake blockage in order to check the reliability\r\nof approximate derivations that are based on the assumption of small wakes. A bluff body (circular cylinder) was chosen for these investigations since it develops a pronounced wake. Three cylinders of varying size were employed in order to obtain a variation in the magnitudes of the blockage effects.\r\n\r\n The combined influence of surface irregularities such as static pressure orifices and the vertical walls resulted in the flow over the cylinders exhibiting three-dimensional characteristics. An investigation of these effects was conducted in order to determine means of circumventing three-dimensional characteristics. Two-dimensional flow characteristics were realized after the point of flow separation on the aft portion of the cylinder was made uniform in the spanwise direction. This was accomplished by means of separation strips fastened to the cylinder forward of the point of maximum thickness.\r\n\r\n After the realization of two-dimensional flow characteristics in the test section, the original purpose of the test was carried out to a limited extent. Experimental measurements of wake blockage effects were compared with the predicted values that are based on approximate derivations for cases where comparison could be made.", "date": "1950", "date_type": "degree", "id_number": "CaltechTHESIS:09302010-144157909", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09302010-144157909", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-09-30 22:02:15", "doi": "10.7907/1NSH-2G22", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1950-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Schmidt, Louis Vincent" }, { "id": "/id/eprint/403", "eprint_id": 403, "rev_number": 9, "documents": [ { "id": "/id/document/583", "doc_id": 583, "rev_number": 2, "files": [ { "id": "/id/file/3748", "fileid": 3748, "datasetid": "document", "objectid": 583, "filename": "Barker_wc_1950.pdf", "mime_type": "application/pdf", "filesize": 840651, "mtime": "2012-12-26 02:29:25", "url": "/403/1/Barker_wc_1950.pdf" } ], "eprint_id": 403, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Barker_wc_1950.pdf", "language": "en", "security": "public", "license": "other", "main": "Barker_wc_1950.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17409" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17409" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17409" } ] } }, { "id": "/id/document/17409", "doc_id": 17409, "rev_number": 2, "files": [ { "id": "/id/file/3746", "fileid": 3746, "datasetid": "document", "objectid": 17409, "filename": "preview.png", "mime_type": "image/png", "hash": "4335a7a34a5347b9a108e14de2d81a32", "hash_type": "MD5", "filesize": 9350, "mtime": "2012-12-26 02:29:25", "url": "/403/2/preview.png" } ], "eprint_id": 403, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/583" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/583" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/583" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/04/03", "datestamp": "2009-01-30", "lastmod": "2023-03-31 17:12:04", "status_changed": "2009-09-25 01:36:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Barker-William-Cyrus", "name": { "family": "Barker", "given": "William Cyrus" }, "show_email": "NO" } ] }, "title": "A Formulation of the Problem of Distributed Vorticity in the Shock Wave Boundary Layer Interaction process", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The problem of shock wave boundary layer interaction is reviewed and attention focused upon the role of vorticity in the process. In order to simplify the physical considerations the two phenomena exhibited by vorticity in the interaction process-reflection and refraction of the disturbance, and transport of the vorticity from its original distribution - are divorced from one another. The reflection and refraction process is then considered apart from the other, and it is found that a boundary value problem can be formulated for it and formally solved for small perturbations from the undisturbed flow.\r\n\r\nThe perturbation component, which is associated with the pressure variation over the bounding surface, is set up and carried through to a point involving evaluation of a contour integral. This integral is so complex that its analytical evaluation would require many months of effort, and at this point it is thought that a re-examination of the original problem would be in order.\r\n\r\nAlthough numerical results would be desirable, the effort expended would have to be weighed against their relative contribution to an understanding of the overall problem.", "date": "1950", "date_type": "degree", "id_number": "CaltechETD:etd-01292009-153901", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01292009-153901", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-30", "doi": "10.7907/H3PW-QF74", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-29", "thesis_defense_date": "1950-01-01", "thesis_approved_date": "2009-01-30", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1950", "author_list": "Barker, William Cyrus" }, { "id": "/id/eprint/745", "eprint_id": 745, "rev_number": 10, "documents": [ { "id": "/id/document/1116", "doc_id": 1116, "rev_number": 2, "files": [ { "id": "/id/file/6998", "fileid": 6998, "datasetid": "document", "objectid": 1116, "filename": "Thomas_jw_1949.pdf", "mime_type": "application/pdf", "filesize": 11466883, "mtime": "2012-12-26 02:32:06", "url": "/745/1/Thomas_jw_1949.pdf" } ], "eprint_id": 745, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Thomas_jw_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Thomas_jw_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17917" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17917" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17917" } ] } }, { "id": "/id/document/17917", "doc_id": 17917, "rev_number": 2, "files": [ { "id": "/id/file/6996", "fileid": 6996, "datasetid": "document", "objectid": 17917, "filename": "preview.png", "mime_type": "image/png", "hash": "e2909a2c2aa4272a0c60f49e8dd59c8f", "hash_type": "MD5", "filesize": 8921, "mtime": "2012-12-26 02:32:06", "url": "/745/2/preview.png" } ], "eprint_id": 745, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1116" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1116" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1116" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/07/45", "datestamp": "2009-02-24", "lastmod": "2023-03-29 17:28:08", "status_changed": "2009-09-25 01:45:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Thomas-John-William", "name": { "family": "Thomas", "given": "John William" }, "show_email": "NO" } ] }, "title": "Low Speed Wind Tunnel Investigation of High Lift Devices on a 65\u00b0 Swept-Back Supersonic Wing of 3.44 Aspect Ratio", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nA low speed investigation was made in the Cal Tech-Merrill Wind Tunnel at Pasadena City College of a 3.44 aspect ratio wing, having a 65\u00b0 swept-back leading edge and a symretrical double-wedge airfoil section, to determine the characteristics and effectiveness of various high-lift devices. The investigation included tests of trailing edge split flaps and extended split flaps, leading edge flaps and slats, and combined configurations. The tests were carried out using the wing with and without the fuselage and tail surfaces.\r\n\r\nThe results showed that the split flaps increased the lift over the lower regions of the angle of attack only. The extended split flaps were more effective and increased the lift over the whole range. The nose flaps tested did not increase the lift when used by themselves, but the combination of a nose flap with the fuselage and extended split flap produced the greatest lift. The addition of the fuselage added to the lift by increasing the slope of the lift curve. The addition of the tail surface gave additional increments in lift in the upper regions of angle of attack. The maximum lift coefficient, [...], normally occurred at an angle of attack of 38\u00b0.\r\n\r\nThe extended split flaps produced large variations in pitching moment, but had stabilizing tendencies except where there were irregularities in the lift curve.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02242009-092302", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02242009-092302", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-24", "doi": "10.7907/TYRW-TZ93", "alt_title": { "items": [ "Low Speed Wind Tunnel Investigation of High Lift Devices on a 65 Degrees Swept-Back Supersonic Wing of 3.44 Aspect Ratio" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-24", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Thomas, John William" }, { "id": "/id/eprint/9056", "eprint_id": 9056, "rev_number": 25, "documents": [ { "id": "/id/document/60063", "doc_id": 60063, "rev_number": 3, "files": [ { "id": "/id/file/168225", "fileid": 168225, "datasetid": "document", "objectid": 60063, "filename": "Harmon_le_1949.pdf", "mime_type": "application/pdf", "hash": "bdc18224cdd21699744d9ff64455dfbb", "hash_type": "MD5", "filesize": 29700475, "mtime": "2015-07-14 18:41:50", "url": "/9056/1/Harmon_le_1949.pdf" } ], "eprint_id": 9056, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Original thesis. 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} ], "eprint_status": "archive", "userid": 10575, "dir": "disk0/00/00/90/56", "datestamp": "2017-03-21 18:28:19", "lastmod": "2023-03-28 00:15:17", "status_changed": "2017-03-21 18:28:19", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Harmon-Leonard-Edward", "name": { "family": "Harmon", "given": "Leonard Edward" } } ] }, "title": "Stress, Distribution in Two Circular Cylinders Intersecting at Right Angles Under the Influence of Internal Pressure", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "This investigation is an experimental study of the stress distribution in two circular cylinders intersecting at right angles and acted on by internal pressure. Two specimens of the thick-wall category were tested to rupture and a strain gage analysis was made of critical points. The specifications of the specimens tested were so chosen that this investigation would be the logical beginning of an overall study of intersecting cylinders under the influence of internal pressure.
\r\n\r\nThe results of two tests are insufficient to indicate trends or establish facts as conclusive. The conclusions reached as a result of this investigation are, therefore, of such a nature as to require confirmation by subsequent continuation of this study. These conclusions are:
\r\n\r\n1. The maximum stresses present in specimens of the type tested are in the plans of intersection and tangent to the ellipse of intersection at a point approximately fifteen degrees from the crotch.
\r\n\r\n2. Additional resistance to the high stresses at the plans of intersection is necessary over that required in the wall of a straight pipe.
\r\n\r\n3. Bending associated with the stressing of this type of intersection by the application of internal pressure is of minor importance in specimens in the thick wall range.
\r\n\r\nAll the tests were made in collaboration with Lieutenant Commander Vernon E. Teig, U.S. Navy in the Structures Laboratory, Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California, during the school year 1948-1949.
\r\n", "date": "1949", "date_type": "degree", "id_number": "CaltechTHESIS:07092015-164255953", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:07092015-164255953", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "suggestions": "Original graphs were printed backward. Original and edited versions have been included. 4 negative images to be inserted. \r\n//Archives just got new machine that can scan negatives. Waiting on them to be set up, ~2 weeks. -- Kathy 7/20/2015//", "deposited_on": "2017-03-21 18:28:19", "doi": "10.7907/RMGJ-1S84", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1949-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Harmon, Leonard Edward" }, { "id": "/id/eprint/9217", "eprint_id": 9217, "rev_number": 24, "documents": [ { "id": "/id/document/61528", "doc_id": 61528, "rev_number": 2, "files": [ { "id": "/id/file/172323", "fileid": 172323, "datasetid": "document", "objectid": 61528, "filename": "Chandler_rs_1949.pdf", "mime_type": "application/pdf", "hash": "3c6291025dd5ab3bec92111300550efe", "hash_type": "MD5", "filesize": 40975080, "mtime": "2015-10-13 15:57:00", "url": "/9217/1/Chandler_rs_1949.pdf" } ], "eprint_id": 9217, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Chandler_rs_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { 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"files": [ { "id": "/id/file/375520", "fileid": 375520, "datasetid": "document", "objectid": 130083, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "6ef4921a80a1f3cd3acf4d7bb155d1c5", "hash_type": "MD5", "filesize": 13614, "mtime": "2021-06-24 04:28:20", "url": "/9217/8/indexcodes.txt" } ], "eprint_id": 9217, "pos": 8, "placement": 8, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/61528" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/61528" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/61528" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/92/17", "datestamp": "2015-10-13 16:55:33", "lastmod": "2023-03-29 18:49:08", "status_changed": "2015-10-13 16:55:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chandler-Ralph-Stewart", "name": { "family": "Chandler", "given": "Ralph Stewart" }, "show_email": "NO" } ] }, "title": "An Investigation of the Stresses and Deflections of Swept Plates", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The problem in this investigation was to determine the stress and \r\ndeflection patterns of a thick cantilever plate at various angles\r\nof sweepback.
\r\n\r\nThe plate was tested at angles of sweepback of zero, twenty, \r\nforty, and sixty degrees under uniform shear load at the tip, \r\nuniformly distributed load and torsional loading.
\r\n\r\nFor all angles of sweep and for all types of loading the area \r\nof critical stress is near the intersection of the root and trailing\r\nedge. Stresses near the leading edge at the root decreased rapidly\r\nwith increase in angle of sweep for all types of loading. In the\r\nouter portion of the plate near the trailing edge the stresses due\r\nto the uniform shear and the uniformly distributed load did not vary\r\nfor angles of sweep up to forty degrees. For the uniform shear and \r\nthe uniformly distributed loads for all angles of sweep the area in \r\nwhich end effect is pronounced extends from the root to approximately\r\nthree quarters of a chord length outboard of a line perpendicular to\r\nthe axis of the plate through the trailing edge root. In case of\r\nuniform shear and uniformly distributed loads the deflections near\r\nthe edge at seventy-five per cent semi-span decreased with increase\r\nin angle of sweep. Deflections near the trailing edge under the\r\nsame loading conditions increased with increase in angle of sweep\r\nfor small angles and then decreased at the higher angles of sweep.\r\nThe maximum deflection due to torsional loading increased with\r\nincrease in angle of sweep.
\r\n", "date": "1949", "date_type": "degree", "id_number": "CaltechTHESIS:10132015-085455473", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:10132015-085455473", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2015-10-13 16:55:33", "doi": "10.7907/WSRF-6S68", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1949-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Chandler, Ralph Stewart" }, { "id": "/id/eprint/280", "eprint_id": 280, "rev_number": 10, "documents": [ { "id": "/id/document/413", "doc_id": 413, "rev_number": 2, "files": [ { "id": "/id/file/2638", "fileid": 2638, "datasetid": "document", "objectid": 413, "filename": "Goebel_tp_1949.pdf", "mime_type": "application/pdf", "filesize": 14419166, "mtime": "2012-12-26 02:28:33", "url": "/280/1/Goebel_tp_1949.pdf" } ], "eprint_id": 280, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Goebel_tp_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Goebel_tp_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17238" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17238" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17238" } ] } }, { "id": "/id/document/17238", "doc_id": 17238, "rev_number": 2, "files": [ { "id": "/id/file/2636", "fileid": 2636, "datasetid": "document", "objectid": 17238, "filename": "preview.png", "mime_type": "image/png", "hash": "86046f3aee3454f3cbe2777e5baefb0f", "hash_type": "MD5", "filesize": 9741, "mtime": "2012-12-26 02:28:33", "url": "/280/2/preview.png" } ], "eprint_id": 280, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/413" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/413" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/413" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/80", "datestamp": "2009-01-23", "lastmod": "2023-03-28 00:00:20", "status_changed": "2009-09-25 01:32:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Goebel-Thomas-Parker", "name": { "family": "Goebel", "given": "Thomas Parker" }, "show_email": "NO" } ] }, "title": "An Investigation of the Deformation of a 3S-O Sheet Specimen During Tensile Failure", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "It is recognized that the \"necking down\" of a tensile specimen which occurs prior to failure is essentially a plastic flow phenomenon. Careful observation of this flow could conceivably be used to determine the plasticity properties of various metals and also to check the applicability of some of the assumptions in the theory of plasticity.\r\n\r\nThe present preliminary tests were carried out primarily for the purpose of developing an experimental technique. A motion picture camera was used to photograph a deforming grid in the neck of a sheet tensile specimen while the load was simultaneously recorded on a recording oscillograph. This technique yielded two-dimensional strain data on one surface of the specimen and the total load as functions of time. This is admittedly not all the information desired on the plastic flow, but it does allow a partial correlation of strain rate with rate of loading, and a determination of the extent of elastic and plastic deformation on one surface of the specimen.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01222009-091511", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01222009-091511", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-23", "doi": "10.7907/06BQ-R471", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-22", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Goebel, Thomas Parker" }, { "id": "/id/eprint/283", "eprint_id": 283, "rev_number": 10, "documents": [ { "id": "/id/document/418", "doc_id": 418, "rev_number": 2, "files": [ { "id": "/id/file/2669", "fileid": 2669, "datasetid": "document", "objectid": 418, "filename": "Ford_ww_1949.pdf", "mime_type": "application/pdf", "filesize": 1842584, "mtime": "2012-12-26 02:28:35", "url": "/283/1/Ford_ww_1949.pdf" } ], "eprint_id": 283, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ford_ww_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Ford_ww_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17243" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17243" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17243" } ] } }, { "id": "/id/document/17243", "doc_id": 17243, "rev_number": 2, "files": [ { "id": "/id/file/2667", "fileid": 2667, "datasetid": "document", "objectid": 17243, "filename": "preview.png", "mime_type": "image/png", "hash": "caf84a605d29c4dc2ed11f9bef36fbad", "hash_type": "MD5", "filesize": 4928, "mtime": "2012-12-26 02:28:35", "url": "/283/2/preview.png" } ], "eprint_id": 283, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/418" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/418" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/418" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/83", "datestamp": "2009-01-23", "lastmod": "2023-03-27 23:46:25", "status_changed": "2009-09-25 01:33:16", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ford-Warren-Woodrow", "name": { "family": "Ford", "given": "Warren Woodrow" }, "show_email": "NO" } ] }, "title": "Design of a Six Component Internal Strain Gage Balance System", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A. Statement of the Thesis Problem: When the aerodynamic forces acting on a model are transmitted through struts, stings, etc. to the wind tunnel rigging for determination there are several corrections to be made to compensate for the various other forces which have unavoidably entered into the rigging. Among these are the tare corrections for the deflection of the model supports. These corrections were satisfactorily made in the case of slow speed aircraft in which the tare drag is small in comparison with the drag of the airplane. However, the performance of the new jet airplanes and missiles with extremely low drag and high speed, approaching the speed of sound and higher, cannot be satisfactorily evaluated using the same balance system. A balance system to give satisfactory data on the aerodynamic forces acting on these low drag high speed airplanes should measure only the forces acting on the model with every high degree of accuracy. This can best be achieved through use of an internal balance system.\r\n\r\nAmong the many advantages which can be realized through use of a balance system which can be placed inside a model are: (a) The above mentioned corrections can be eliminated, (b) The balance system can be designed for the loads acting on the model alone, thereby increasing the sensitivity and accuracy, (c) The complexity of the wind tunnel rigging can be reduced and, (d) The electrical sensing of all the measured components simultaneously permits their direct automatic recording, thereby saving time and reducing personnel requirements.\r\n\r\nIt is the purpose of this thesis to describe a small internal balance system which has been designed to measure the six aerodynamic forces and moments which act on a model being tested and thereby realizing the above mentioned advantages.\r\n\r\nB. Survey of the Field: Internal balance systems for measuring three or four of the aerodynamic forces and moments have been used for several years. These balances, in general, have been large in size thus restricting their use to large size models. Furthermore, galling of bearing surfaces and internal friction has in many cases reduced their load capacity and accuracy.\r\n\r\nDuring the past year the author has been able to visit the following activities for the purpose of becoming acquainted with the details of the balance systems being used: (a) The Cooperative Wind Tunnel at Pasadena, California, (b) Ames Laboratory of NACA at Moffett Field, California, (c) North American Aviation Inc., at Inglewood, California. The Cooperative Wind Tunnel has three internal strain gage balance systems of the beam type. Two of these balances measure lift, drag and pitching moment while the third also measures rolling moment. These balances are large in size. A fourth balance system in use at the Cooperative Wind Tunnel, while not of the internal type, is of particular interest. This is the transonic bump balance to which the half model is secured for testing. This balance is also of the beam type and measures all six aerodynamic forces and moments.\r\n\r\nAmes Laboratory 1 x 3 foot supersonic wind tunnel uses a four component beam type strain gage balance system in which all the beams are located in the sting and shielded from the airstream by a two inch diameter shield. The features of this balance are: (a) Use of ball bearings in races for transmitting the load to the beams, (b) Drag and rolling moment beams are readily interchangeable and, (c) The electrical system is set up to record all readings simultaneously by punching a single button.\r\n\r\nNorth American Aviation, Inc. has developed a small six component internal strain gage balance system for use in their new supersonic wind tunnel. This gage is being used satisfactorily. It is fully described in ref. (a).\r\n\r\nDue to the rapid lapse of time and after a conference with Mr. Bell and Mr. Gayman of the Cooperative Wind Tunnel it was decided that an internal strain gage balance system based on the North American design promised the quickest and most satisfactory solution of the design problem at hand. This met with the approval of Drs. Sechler and Klein.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01222009-132301", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01222009-132301", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-23", "doi": "10.7907/8DE6-1J31", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-22", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Ford, Warren Woodrow" }, { "id": "/id/eprint/284", "eprint_id": 284, "rev_number": 10, "documents": [ { "id": "/id/document/419", "doc_id": 419, "rev_number": 2, "files": [ { "id": "/id/file/2676", "fileid": 2676, "datasetid": "document", "objectid": 419, "filename": "Bottenberg_wr_1949.pdf", "mime_type": "application/pdf", "filesize": 32551893, "mtime": "2012-12-26 02:28:35", "url": "/284/1/Bottenberg_wr_1949.pdf" } ], "eprint_id": 284, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bottenberg_wr_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Bottenberg_wr_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17244" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17244" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17244" } ] } }, { "id": "/id/document/17244", "doc_id": 17244, "rev_number": 2, "files": [ { "id": "/id/file/2674", "fileid": 2674, "datasetid": "document", "objectid": 17244, "filename": "preview.png", "mime_type": "image/png", "hash": "c4b8592be89dac48443ddfd18131c2f7", "hash_type": "MD5", "filesize": 8813, "mtime": "2012-12-26 02:28:35", "url": "/284/2/preview.png" } ], "eprint_id": 284, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/419" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/419" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/419" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/02/84", "datestamp": "2009-01-23", "lastmod": "2023-03-27 22:58:51", "status_changed": "2009-09-25 01:33:17", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bottenberg-William-Robert", "name": { "family": "Bottenberg", "given": "William Robert" }, "show_email": "NO" } ] }, "title": "Effect of Reynolds Number on the Flow About a Finite Cone of 70 Degrees", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was made to determine the effect of Reynolds number on the flow about a cone of 70 degrees apex angle with free stream Mach numbers close to the Mach number for shock attachment.\r\n\r\nConditions existing on the forward half of a one-half inch diameter cone were investigated at two Mach numbers, one giving a slightly detached shock and one giving a slightly attached shock, at Reynolds numbers from 150,000 to 1,300,000 based on model diameter.\r\n\r\nClose to the apex the static pressure on the surface of the cone divided by the stagnation pressure before the shock was found to be dependent upon the Reynolds number at the lowest Reynolds number when the shock was detached but not when the shock was attached. In both cases at a distance half way back on the cone there was a continuous increase in this ratio with increasing Reynolds number. All of these Reynolds number effects were small in magnitude.\r\n\r\nThe investigation was conducted in the GALCIT 2.5\u201d Supersonic Wind Tunnel.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01222009-153637", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01222009-153637", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-23", "doi": "10.7907/PPKS-C120", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-22", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Bottenberg, William Robert" }, { "id": "/id/eprint/397", "eprint_id": 397, "rev_number": 10, "documents": [ { "id": "/id/document/577", "doc_id": 577, "rev_number": 2, "files": [ { "id": "/id/file/3704", "fileid": 3704, "datasetid": "document", "objectid": 577, "filename": "Henry_we_1949.pdf", "mime_type": "application/pdf", "filesize": 5970000, "mtime": "2012-12-26 02:29:23", "url": "/397/1/Henry_we_1949.pdf" } ], "eprint_id": 397, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Henry_we_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Henry_we_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17403" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17403" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17403" } ] } }, { "id": "/id/document/17403", "doc_id": 17403, "rev_number": 2, "files": [ { "id": "/id/file/3702", "fileid": 3702, "datasetid": "document", "objectid": 17403, "filename": "preview.png", "mime_type": "image/png", "hash": "fc734cdbd4e1dfe945e566b6a1bf5ed7", "hash_type": "MD5", "filesize": 6145, "mtime": "2012-12-26 02:29:22", "url": "/397/2/preview.png" } ], "eprint_id": 397, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/577" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/577" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/577" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/97", "datestamp": "2009-01-29", "lastmod": "2023-03-28 00:20:05", "status_changed": "2009-09-25 01:36:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Henry-William-Earl", "name": { "family": "Henry", "given": "William Earl" }, "show_email": "NO" } ] }, "title": "Experimental Deflection Survey of Cantilever Sectors of Uniform Thickness", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation was to study the deflection patterns of uniform thickness 24ST aluminum alloy sectors fixed on one radius and subjected to transverse loads.\r\n\r\nThis investigation consisted of obtaining deflection data in the form of influence coefficients for cantilever sectors of opening angles varying from 0 to 180 degrees.\r\n\r\nThe deflection data are presented in a form that requires only a matrix multiplication to obtain the deflection pattern of any sector of the same material constants and dimensions as those used in this investigation. For sectors of different material constants and dimensions the deflection pattern may be obtained by interpolation of the data presented in this investigation and use of elementary elastic relationships.\r\n\r\nThe comparison of the experimental and analytical solution of the deflection pattern of a 45 degree sector subjected to a shear loading and radial moments along the curved boundary showed satisfactory agreement.\r\n\r\nThis investigation was carried out at the Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California (referred to hereafter as GALCIT).", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-152036", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-152036", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-29", "doi": "10.7907/A463-DC95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Henry, William Earl" }, { "id": "/id/eprint/311", "eprint_id": 311, "rev_number": 9, "documents": [ { "id": "/id/document/463", "doc_id": 463, "rev_number": 2, "files": [ { "id": "/id/file/2959", "fileid": 2959, "datasetid": "document", "objectid": 463, "filename": "Densmore_je_1949.pdf", "mime_type": "application/pdf", "filesize": 19056856, "mtime": "2012-12-26 02:28:48", "url": "/311/1/Densmore_je_1949.pdf" } ], "eprint_id": 311, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Densmore_je_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Densmore_je_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17289" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17289" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17289" } ] } }, { "id": "/id/document/17289", "doc_id": 17289, "rev_number": 2, "files": [ { "id": "/id/file/2957", "fileid": 2957, "datasetid": "document", "objectid": 17289, "filename": "preview.png", "mime_type": "image/png", "hash": "9c09f433d0e1697b0f233e9b4347d0e9", "hash_type": "MD5", "filesize": 9405, "mtime": "2012-12-26 02:28:48", "url": "/311/2/preview.png" } ], "eprint_id": 311, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/463" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/463" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/463" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/11", "datestamp": "2009-01-26", "lastmod": "2023-03-27 23:30:26", "status_changed": "2009-09-25 01:33:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Densmore-James-Edward", "name": { "family": "Densmore", "given": "James Edward" }, "show_email": "NO" } ] }, "title": "Wind Tunnel Investigation of the Aerodynamic Characteristics of High Lift Devices on Supersonic Wings at Low Subsonic Speed", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was made to determine the effect of various high lift devices on a highly sweptforward wing with a leading edge sweep angle of 55 degrees and on a straight wing, both wings having an aspect ratio of 1.72 and the same span.\r\n\r\nExperimental tests were made in the Cal Tech - Merrill low speed wind tunnel at Pasadena City College on both types of wing with and without fuselage. High lift devices investigated were extended leading edge flaps, plain leading edge flaps, extended trailing edge flaps, and split flaps. Both 70 per cent and full span configurations were used in each case except for the plain leading edge flaps. All force data was reduced to standard non-dimensional lift, drag, and pitching moment coefficients, and the results presented in standard graphical form. In addition, photographs of tuft surveys were made for typical configurations.\r\n\r\nThe maximum lift coefficient obtained from the basic wings was approximately the same for both, but the angle of attack for maximum lift was appreciably lower for the straight wing than for the sweptforward wing.\r\n\r\nThe addition of the fuselage increased the maximum lift coefficient of both the basic wings and of the sweptforward wing with flap configurations, but the fuselage was detrimental to the lift for the straight wing with flap configurations.\r\n\r\nStraight wing configurations gave respectively higher maximum lift coefficients and larger lift curve slopes than on the comparable sweptforward wing models. All high lift devices investigated were more effective on the straight wing than on the sweptforward wing.\r\n\r\nExtended trailing edge flaps were the most effective of the flaps investigated in increasing the maximum lift, but gave the largest negative increase in the pitching moments.\r\n\r\nOn the straight wing the 70 per cent span split and 70 per cent span extended trailing edge flaps at optimum flap deflection angles gave a higher maximum lift coefficient than the full span flaps at the optimum flap deflection. When the straight wing was mounted on the fuselage, this effect was true only for the split flaps.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-104437", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-104437", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/Z0Y9-J658", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Densmore, James Edward" }, { "id": "/id/eprint/307", "eprint_id": 307, "rev_number": 11, "documents": [ { "id": "/id/document/459", "doc_id": 459, "rev_number": 2, "files": [ { "id": "/id/file/2932", "fileid": 2932, "datasetid": "document", "objectid": 459, "filename": "Francis_dl_1949.pdf", "mime_type": "application/pdf", "filesize": 89034640, "mtime": "2012-12-26 02:28:47", "url": "/307/1/Francis_dl_1949.pdf" } ], "eprint_id": 307, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Francis_dl_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Francis_dl_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17285" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17285" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17285" } ] } }, { "id": "/id/document/17285", "doc_id": 17285, "rev_number": 2, "files": [ { "id": "/id/file/2930", "fileid": 2930, "datasetid": "document", "objectid": 17285, "filename": "preview.png", "mime_type": "image/png", "hash": "30bb14481281f726c0ade0c166f154fc", "hash_type": "MD5", "filesize": 7739, "mtime": "2012-12-26 02:28:47", "url": "/307/2/preview.png" } ], "eprint_id": 307, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/459" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/459" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/459" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/07", "datestamp": "2009-01-23", "lastmod": "2023-03-27 23:52:48", "status_changed": "2009-09-25 01:33:45", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Francis-Donald-Lowell", "name": { "family": "Francis", "given": "Donald Lowell" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Blocking in a High-Speed, Closed Wind Tunnel Using the Wall Pressure Method", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation was to determine the possibility of using a semi-empirical, wall pressure method to determine wind tunnel blocking corrections in the transonic range. Included are axial distributions of velocity increments at the wall in the presence of the wing models. The main results are presented in the form of comparisons of the blockage corrections determined by the semi-empirical method with the blocking corrections obtained by direct calculation. The models used in this investigation were reflection-plane-mounted wings of various sizes and sweep angles and one two-dimensional wing. Data for wings at moderate angles of attach are included, when available.\r\n\r\nThe results indicate that the corrections obtained by the semi-empirical method agree with those obtained by direct calculation in the range of Mach numbers where agreement is expected. The semi-empirical corrections become rapidly larger than the calculated corrections as the critical Mach number of the wing is exceeded. The magnitudes of the differences in the transonic range are sufficiently large to warrant the application of the semi-empirical method to transonic wind tunnel tests.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-085025", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-085025", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-23", "doi": "10.7907/V893-YJ92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Bell-R-W", "name": { "family": "Bell", "given": "Richard William" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Francis, Donald Lowell" }, { "id": "/id/eprint/309", "eprint_id": 309, "rev_number": 11, "documents": [ { "id": "/id/document/461", "doc_id": 461, "rev_number": 2, "files": [ { "id": "/id/file/2945", "fileid": 2945, "datasetid": "document", "objectid": 461, "filename": "Dwire_os_1949.pdf", "mime_type": "application/pdf", "filesize": 1848987, "mtime": "2012-12-26 02:28:48", "url": "/309/1/Dwire_os_1949.pdf" } ], "eprint_id": 309, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dwire_os_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Dwire_os_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17287" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17287" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17287" } ] } }, { "id": "/id/document/17287", "doc_id": 17287, "rev_number": 2, "files": [ { "id": "/id/file/2943", "fileid": 2943, "datasetid": "document", "objectid": 17287, "filename": "preview.png", "mime_type": "image/png", "hash": "5bd2466a1d293ed70238008139989390", "hash_type": "MD5", "filesize": 9756, "mtime": "2012-12-26 02:28:47", "url": "/309/2/preview.png" } ], "eprint_id": 309, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/461" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/461" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/461" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/09", "datestamp": "2009-01-26", "lastmod": "2023-03-27 23:41:10", "status_changed": "2009-09-25 01:33:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dwire-Oliver-Scott", "name": { "family": "Dwire", "given": "Oliver Scott" }, "show_email": "NO" } ] }, "title": "A Study of Pressure Drop in Helical Coils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This study was made to investigate the increase in pressure drop through a helix over that through a straight pipe and to study the variables involved. The pressure drops in ten helices and seven straight pipes were observed over a range of Reynolds Numbers.\r\n\r\nThe results indicate that the increase in pressure drop due to the helical shape is a function of tube diameter, helix diameter, relative roughness, and possibly Reynolds Number. There is some indication that relative roughness may be the most important of these variables. However, the data obtained are insufficient to justify the formulation of an empirical equation for the curvature correction.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-095750", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-095750", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/GV93-7D64", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Seifert-H-S", "name": { "family": "Seifert", "given": "Howard S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1948-09-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Dwire, Oliver Scott" }, { "id": "/id/eprint/312", "eprint_id": 312, "rev_number": 9, "documents": [ { "id": "/id/document/464", "doc_id": 464, "rev_number": 2, "files": [ { "id": "/id/file/2966", "fileid": 2966, "datasetid": "document", "objectid": 464, "filename": "Bevernick_ra_1949.pdf", "mime_type": "application/pdf", "filesize": 29129972, "mtime": "2012-12-26 02:28:49", "url": "/312/1/Bevernick_ra_1949.pdf" } ], "eprint_id": 312, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bevernick_ra_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Bevernick_ra_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17290" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17290" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17290" } ] } }, { "id": "/id/document/17290", "doc_id": 17290, "rev_number": 2, "files": [ { "id": "/id/file/2964", "fileid": 2964, "datasetid": "document", "objectid": 17290, "filename": "preview.png", "mime_type": "image/png", "hash": "9e908f0d18ef37b5c183d40769da562b", "hash_type": "MD5", "filesize": 8588, "mtime": "2012-12-26 02:28:49", "url": "/312/2/preview.png" } ], "eprint_id": 312, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/464" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/464" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/464" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/12", "datestamp": "2009-01-26", "lastmod": "2023-03-27 22:56:23", "status_changed": "2009-09-25 01:33:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bevernick-Richard-Alexander", "name": { "family": "Bevernick", "given": "Richard Alexander" }, "show_email": "NO" } ] }, "title": "The Effect of Reynolds Number on the Flow Field About a 70\u00b0 Cone", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This investigation has undertaken to measure the possible Reynolds number effects in the flow field about a 70\u00b0 finite cone in a supersonic flow. The principal means of observing such effects was by static pressure measurements at the surface of the cone.\r\n\r\nResults indicate that such effects do exist when the free stream Mach number is low enough to produce subsonic flow over the face of the cone, but they are slight. At very low Reynolds numbers with a detached shock, some decrease in static pressure on the surface of the cone results, apparently due to increased boundary layer. Over the entire range of Reynolds numbers investigated with either attached or detached shock, an increase in static pressure on the cone face at some distance from the apex results from increased Reynolds number, apparently due to the shoulder disturbance.\r\n\r\nThe investigation was conducted at GALCIT as the basis for a thesis in partial fulfillment for the professional degree of Aeronautical Engineer.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-104850", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-104850", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/FGSF-5183", "alt_title": { "items": [ "Effect of Reynolds Number on the Flow Field About a 70 degree Cone" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Bevernick, Richard Alexander" }, { "id": "/id/eprint/313", "eprint_id": 313, "rev_number": 12, "documents": [ { "id": "/id/document/465", "doc_id": 465, "rev_number": 2, "files": [ { "id": "/id/file/2973", "fileid": 2973, "datasetid": "document", "objectid": 465, "filename": "Garrett_j_1949.pdf", "mime_type": "application/pdf", "filesize": 7269155, "mtime": "2012-12-26 02:28:49", "url": "/313/1/Garrett_j_1949.pdf" } ], "eprint_id": 313, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Garrett_j_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Garrett_j_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17291" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17291" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17291" } ] } }, { "id": "/id/document/17291", "doc_id": 17291, "rev_number": 2, "files": [ { "id": "/id/file/2971", "fileid": 2971, "datasetid": "document", "objectid": 17291, "filename": "preview.png", "mime_type": "image/png", "hash": "8a6b10eabcc572b80f82f3bac76783fa", "hash_type": "MD5", "filesize": 6140, "mtime": "2012-12-26 02:28:49", "url": "/313/2/preview.png" } ], "eprint_id": 313, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/465" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/465" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/465" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/13", "datestamp": "2009-01-26", "lastmod": "2023-03-27 23:55:51", "status_changed": "2009-09-25 01:33:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Garrett-Joseph", "name": { "family": "Garrett", "given": "Joseph" }, "show_email": "NO" } ] }, "title": "Experimental Deflection Survey of Cantilever Sectors of Uniform Thickness", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation was to experimentally determine deflection data for 0 to 180 degree uniform thickness cantilever sectors. The basic deflection data is presented in the form of influence coefficients that can be utilized in the determination of the deflection of sectors as caused by any regular transverse loading.\r\n\r\nOne phase of the investigation was specifically planned to achieve results that could be compared with an analytical solution of the problem.\r\n\r\nIn addition to the basic experimentation, preliminary investigation was made of the effect of thickness and boundary fixity on the stiffness of cantilever sectors.\r\n\r\nDeflection modes as calculated from the data of this investigation were in close agreement with those determined by the analytical solution. Agreement in absolute magnitude was of the order of 15 percent for three loading conditions checked.\r\n\r\nFurther investigation into the effect of thickness is considered desirable before the results of this investigation are applied to the determination of deflections for sectors of different thickness from those used in the investigation.\r\n\r\nThe investigation was carried out in the Guggenheim Aeronautical Laboratory at the California Institute of Technology, Pasadena, California.\r\n", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-143754", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-143754", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/YP13-NN87", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Garrett, Joseph" }, { "id": "/id/eprint/4517", "eprint_id": 4517, "rev_number": 9, "documents": [ { "id": "/id/document/7336", "doc_id": 7336, "rev_number": 2, "files": [ { "id": "/id/file/44764", "fileid": 44764, "datasetid": "document", "objectid": 7336, "filename": "Mandelbrot_bb_1949.pdf", "mime_type": "application/pdf", "filesize": 2593177, "mtime": "2012-12-26 03:09:23", "url": "/4517/1/Mandelbrot_bb_1949.pdf" } ], "eprint_id": 4517, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mandelbrot_bb_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Mandelbrot_bb_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23861" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23861" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23861" } ] } }, { "id": "/id/document/23861", "doc_id": 23861, "rev_number": 2, "files": [ { "id": "/id/file/44762", "fileid": 44762, "datasetid": "document", "objectid": 23861, "filename": "preview.png", "mime_type": "image/png", "hash": "a4523ec0d1d1ff4792b5c02619e08d04", "hash_type": "MD5", "filesize": 8673, "mtime": "2012-12-26 03:09:23", "url": "/4517/2/preview.png" } ], "eprint_id": 4517, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7336" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7336" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7336" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/17", "datestamp": "2003-11-12", "lastmod": "2020-11-20 21:57:38", "status_changed": "2009-09-25 03:19:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mandelbrot-Benoit-B", "name": { "family": "Mandelbrot", "given": "Benoit B." }, "show_email": "NO" } ] }, "title": "Some Potential Problems Arising in the Theory of Axial Turbomachines", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineer", "abstract": "Some potential problems raised by the trailing-vortex theory of axial turbomachines are solved in the cases of cylindrical semi-infinite and infinite helicoidal vortices and of trailing vortices in a cone. The analysis is carried out for the cylindrical doubly infinite case and the dynamical problems are set up.
\r\n\r\nThe results are in a form where further applications to the physical problems may be undertaken and actual computations worked out.
\r\n\r\nIt is hoped that this work will be completed in the future.
", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-11122003-085608", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11122003-085608", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-12", "doi": "10.7907/QGD5-YD25", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-11-12", "thesis_approved_date": "2003-11-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Mandelbrot, Benoit B." }, { "id": "/id/eprint/314", "eprint_id": 314, "rev_number": 9, "documents": [ { "id": "/id/document/466", "doc_id": 466, "rev_number": 2, "files": [ { "id": "/id/file/2980", "fileid": 2980, "datasetid": "document", "objectid": 466, "filename": "Burke_jd_1949.pdf", "mime_type": "application/pdf", "filesize": 48336818, "mtime": "2012-12-26 02:28:50", "url": "/314/1/Burke_jd_1949.pdf" } ], "eprint_id": 314, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Burke_jd_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Burke_jd_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17292" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17292" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17292" } ] } }, { "id": "/id/document/17292", "doc_id": 17292, "rev_number": 2, "files": [ { "id": "/id/file/2978", "fileid": 2978, "datasetid": "document", "objectid": 17292, "filename": "preview.png", "mime_type": "image/png", "hash": "c5de4906e78cad9dca31d932dca44722", "hash_type": "MD5", "filesize": 6981, "mtime": "2012-12-26 02:28:49", "url": "/314/2/preview.png" } ], "eprint_id": 314, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/466" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/466" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/466" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/14", "datestamp": "2009-01-26", "lastmod": "2023-03-27 23:16:29", "status_changed": "2009-09-25 01:33:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Burke-James-Donahue", "name": { "family": "Burke", "given": "James Donahue" }, "show_email": "NO" } ] }, "title": "Sounding Rocket Performances Analysis", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation of the effects of basic design parameters on the performance of a single-stage sounding rocket was made. The tail area required for static stability at various supersonic flight Mach numbers was determined, and the drag coefficient for various configurations was calculated. The general equations of motion for flight in vacuum were integrated for several cases to show the effect of varying specific impulse of fuel, propellant weight ratio, and burning time. An approximate solution of the equations for trajectories in air was obtained by the method of stepwise numerical integration.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-152718", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-152718", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/XW5Q-1Y06", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Burke, James Donahue" }, { "id": "/id/eprint/315", "eprint_id": 315, "rev_number": 10, "documents": [ { "id": "/id/document/467", "doc_id": 467, "rev_number": 2, "files": [ { "id": "/id/file/2987", "fileid": 2987, "datasetid": "document", "objectid": 467, "filename": "Brown_jr_1949.pdf", "mime_type": "application/pdf", "filesize": 46598396, "mtime": "2012-12-26 02:28:50", "url": "/315/1/Brown_jr_1949.pdf" } ], "eprint_id": 315, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Brown_jr_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Brown_jr_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17293" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17293" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17293" } ] } }, { "id": "/id/document/17293", "doc_id": 17293, "rev_number": 2, "files": [ { "id": "/id/file/2985", "fileid": 2985, "datasetid": "document", "objectid": 17293, "filename": "preview.png", "mime_type": "image/png", "hash": "4b1e74677251c0ad6d8e0ed8229cf494", "hash_type": "MD5", "filesize": 8470, "mtime": "2012-12-26 02:28:50", "url": "/315/2/preview.png" } ], "eprint_id": 315, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/467" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/467" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/467" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/15", "datestamp": "2009-01-23", "lastmod": "2023-03-27 23:07:25", "status_changed": "2009-09-25 01:34:02", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Brown-John-R", "name": { "family": "Brown", "given": "John R." }, "show_email": "NO" } ] }, "title": "A Critical Study of Spin-Up Drag Loads on Aircraft Landing Gears", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This report attempts to analyze in detail the spin-up drag loads imposed upon an aircraft main landing gear. Other factors in the landing gear problem are ignored except insofar as they affect this one type of loading. As an instrument for study, one model of aircraft was chosen for which extensive flight test and drop test data were available.\r\n\r\nThe main parameters which enter into the spin-up drag load are the landing weight of the aircraft, the rate of descent at contact, the ground speed, the time interval from initial contact to attainment of maximum vertical load, and the coefficient of friction between the tire and the runway surface. Minor parameters which may affect the drag load are the tire pressure, moment of inertia of the rolling stock, oleo pressure, and quantity of oil in the hydraulic shock absorber.\r\n\r\nThe results of this study indicate that the maximum gear drag load is primarily a function of the time required to reach maximum vertical load, and that further study of this parameter, using drop test data for several types of aircraft, might well lead to some valuable empirical information essential to landing gear design. The value of the coefficient of friction was seen to vary widely in test landings but a maximum value of 0.55 appears to be satisfactory for limit design calculations.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-153114", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-153114", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-23", "doi": "10.7907/PDPG-ET80", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Hudson-D-E", "name": { "family": "Hudson", "given": "Donald E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Brown, John R." }, { "id": "/id/eprint/359", "eprint_id": 359, "rev_number": 12, "documents": [ { "id": "/id/document/532", "doc_id": 532, "rev_number": 2, "files": [ { "id": "/id/file/3394", "fileid": 3394, "datasetid": "document", "objectid": 532, "filename": "Cooley_js_1949.pdf", "mime_type": "application/pdf", "filesize": 20976972, "mtime": "2012-12-26 02:29:09", "url": "/359/1/Cooley_js_1949.pdf" } ], "eprint_id": 359, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cooley_js_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Cooley_js_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17358" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17358" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17358" } ] } }, { "id": "/id/document/17358", "doc_id": 17358, "rev_number": 2, "files": [ { "id": "/id/file/3392", "fileid": 3392, "datasetid": "document", "objectid": 17358, "filename": "preview.png", "mime_type": "image/png", "hash": "a372e9bee2d16103566445c0db0b8964", "hash_type": "MD5", "filesize": 8824, "mtime": "2012-12-26 02:29:09", "url": "/359/2/preview.png" } ], "eprint_id": 359, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/532" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/532" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/532" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/59", "datestamp": "2009-01-26", "lastmod": "2023-03-27 23:24:40", "status_changed": "2009-09-25 01:35:18", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Cooley-James-Siggins", "name": { "family": "Cooley", "given": "James Siggins" }, "show_email": "NO" } ] }, "title": "Reversed Bending Fatigue Properties of 25 S-T, 75 S-T, and 76 S-T Aluminum Alloys", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe problem of this investigation was to determine the effects of surface roughness and surface stressing on the reversed bending fatigue properties of 25 S-T, 75 ST and 76 S-T aluminum alloys.\r\n\r\nTests were conducted in a stress range from 37,700 psi, to that stress giving a fatigue life of 500,000,000 cycles.\r\n\r\nSurface roughness was varied from five micro-inches to 400 micro-inches. Two different machining tools were used to obtain the various degrees of surface roughness: 1/8\" radius tool, and a sharp pointed tool.\r\n\r\nSurface stressing was obtained by shot peening with 0[...]028 diameter shot at .010/.012 A-2 intensity, and cold rolling at 100 lbs. and 200 lbs. pressure.\r\n\r\nIt was determined that fatigue life decreased as surface roughness increased in a similar manner for specimens machined with both types of tool; but that endurance limit was not affected by the sharp tool, whereas it was decreased by the 1/8\" radius tool.\r\n\r\nShot peening increased fatigue life of 25 S-T by about 500%; it had but slight effect on 76 S-T.\r\n\r\nCold rolling increased fatigue life of 25 S-T and 76 S T by about 2500%. 75 S-T was neither shot peened nor cold rolled.\r\n\r\nThis work was carried out by the author at the Guggenheim Aeronautical Laboratory, California Institute of Technology under the supervision of Dr. E. E. Sechler.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01262009-110934", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01262009-110934", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/HNFP-NB63", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-26", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Cooley, James Siggins" }, { "id": "/id/eprint/361", "eprint_id": 361, "rev_number": 10, "documents": [ { "id": "/id/document/534", "doc_id": 534, "rev_number": 2, "files": [ { "id": "/id/file/3409", "fileid": 3409, "datasetid": "document", "objectid": 534, "filename": "Gompf_ge_1949.pdf", "mime_type": "application/pdf", "filesize": 14210992, "mtime": "2012-12-26 02:29:10", "url": "/361/1/Gompf_ge_1949.pdf" } ], "eprint_id": 361, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gompf_ge_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Gompf_ge_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17360" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17360" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17360" } ] } }, { "id": "/id/document/17360", "doc_id": 17360, "rev_number": 2, "files": [ { "id": "/id/file/3407", "fileid": 3407, "datasetid": "document", "objectid": 17360, "filename": "preview.png", "mime_type": "image/png", "hash": "9119f04337f5989df26c54eef8607cc6", "hash_type": "MD5", "filesize": 7190, "mtime": "2012-12-26 02:29:10", "url": "/361/2/preview.png" } ], "eprint_id": 361, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/534" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/534" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/534" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/61", "datestamp": "2009-01-26", "lastmod": "2023-03-28 00:02:36", "status_changed": "2009-09-25 01:35:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gompf-George-Edward", "name": { "family": "Gompf", "given": "George Edward" }, "show_email": "NO" } ] }, "title": "Supersonic Nozzle Design for Viscous Fluids", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A method is presented for including the effects of viscosity in the design of supersonic wind tunnel nozzles, the effect being presented in the form of a modification to the non-viscous, or perfect fluid, nozzle shapes. The modification essentially consists of providing additional expansion area to compensate for the retarded flow near the wall, and is estimated from considerations of possible boundary layer growth along a heat insulated flat well with a pressure gradient, when both the velocity profile and friction coefficient are assumed.\r\n\r\nIt is shown that the modification to the perfect fluid shape becomes very pronounced for design Mach numbers above five and results in a shorter nozzle length for a given test section size than that predicted from perfect fluid theory. At a Mach number of 10, this method results in a nozzle length reduction of 50% indicating that the boundary layer occupies this percentage of the test section for the shortened nozzle.\r\n\r\nDesign curves are presented from which the modification to a specific perfect fluid nozzle shape may be computed for Mach numbers up to 10.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01262009-141501", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01262009-141501", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/R422-S076", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" }, { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-26", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Gompf, George Edward" }, { "id": "/id/eprint/3507", "eprint_id": 3507, "rev_number": 11, "documents": [ { "id": "/id/document/6064", "doc_id": 6064, "rev_number": 2, "files": [ { "id": "/id/file/36187", "fileid": 36187, "datasetid": "document", "objectid": 6064, "filename": "Schurmeier_hm_1949.pdf", "mime_type": "application/pdf", "filesize": 23347921, "mtime": "2012-12-26 03:00:32", "url": "/3507/1/Schurmeier_hm_1949.pdf" } ], "eprint_id": 3507, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Schurmeier_hm_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Schurmeier_hm_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22604" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22604" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22604" } ] } }, { "id": "/id/document/22604", "doc_id": 22604, "rev_number": 2, "files": [ { "id": "/id/file/36185", "fileid": 36185, "datasetid": "document", "objectid": 22604, "filename": "preview.png", "mime_type": "image/png", "hash": "f6ca9b8ae20193e9378e57b11c5ab6b5", "hash_type": "MD5", "filesize": 5838, "mtime": "2012-12-26 03:00:32", "url": "/3507/2/preview.png" } ], "eprint_id": 3507, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6064" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6064" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6064" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/35/07", "datestamp": "2007-09-12", "lastmod": "2023-03-29 17:19:23", "status_changed": "2009-09-25 02:59:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Schurmeier-Harris-McIntosh", "name": { "family": "Schurmeier", "given": "Harris McIntosh" }, "show_email": "NO" } ] }, "title": "An Investigation of the Interference Effects of a Sting Support System on the Pressure Distribution over a Body of Revolution", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The pressure distribution over a body of revolution was measured, both with and without a sting, or sting and simulated sting-support structure, present. The investigation was carried out in a wind tunnel at a low speed.
\r\n\r\nThe results indicated that the changes in the pressure distribution over the body were small if the sting diameter was half the base diameter and the sting made reasonably long. The effects of the sting and sting-support structure were felt only over the aft 20 percent of the body and were such as to increase the pressure in all cases investigated.
", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-09122007-131246", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09122007-131246", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2007-09-12", "doi": "10.7907/H9SM-CM40", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Bell-R-W", "name": { "family": "Bell", "given": "Richard William" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2007-09-12", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2007-09-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Schurmeier, Harris McIntosh" }, { "id": "/id/eprint/381", "eprint_id": 381, "rev_number": 10, "documents": [ { "id": "/id/document/554", "doc_id": 554, "rev_number": 2, "files": [ { "id": "/id/file/3556", "fileid": 3556, "datasetid": "document", "objectid": 554, "filename": "Hardy_dj_1949.pdf", "mime_type": "application/pdf", "filesize": 13414773, "mtime": "2012-12-26 02:29:16", "url": "/381/1/Hardy_dj_1949.pdf" } ], "eprint_id": 381, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hardy_dj_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Hardy_dj_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17380" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17380" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17380" } ] } }, { "id": "/id/document/17380", "doc_id": 17380, "rev_number": 2, "files": [ { "id": "/id/file/3554", "fileid": 3554, "datasetid": "document", "objectid": 17380, "filename": "preview.png", "mime_type": "image/png", "hash": "587f42d6f2c75ba735996b5abbf447a2", "hash_type": "MD5", "filesize": 10722, "mtime": "2012-12-26 02:29:16", "url": "/381/2/preview.png" } ], "eprint_id": 381, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/554" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/554" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/554" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/81", "datestamp": "2009-01-27", "lastmod": "2023-03-28 00:10:16", "status_changed": "2009-09-25 01:35:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hardy-Donald-James", "name": { "family": "Hardy", "given": "Donald James" }, "show_email": "NO" } ] }, "title": "The Effect of Surface Roughness upon 25 ST Aluminum Alloy Subjected to Repeated Tensile Stresses Above the Proportional Limit", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Fatigue tests were conducted on 54 specimens of 25 ST aluminum alloy for the purpose of determining the effect of surface roughness on the fatigue life of the material when subjected to constant repeated tensile stresses above the proportional limit. In addition, the basic stress vs. cycle curve for 25 ST aluminum alloy was extended to include the range of cycles below 100,000.\r\n\r\nA machine capable of applying repeated pure tension loads at a rate of 52 cycles per minute, without shock but with a high rate of loading, was used to obtain this data.\r\n\r\nIt was found that the rate of build-up and the duration of the impulse created an equivalent static load equal to the peak of the impulse loading.\r\n\r\nFor the material tested, it was found that as the surface roughness increased from 5\u03bc to 200\u03bc, the life expectancy of the alloy in general was reduced. However, the experimental results revealed a larger degree of scatter in the cyclic range below 40,000 cycles as opposed to the relatively consistent data obtained at the higher cycles. Therefore, no general conclusions could be ascertained as to the effect of roughness on the fatigue life of the material in the high stress region.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01272009-083535", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272009-083535", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-27", "doi": "10.7907/Q6A7-1796", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "advisor" }, { "id": "Converse-F-J", "name": { "family": "Converse", "given": "Frederick James" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-27", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-27", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Hardy, Donald James" }, { "id": "/id/eprint/1422", "eprint_id": 1422, "rev_number": 11, "documents": [ { "id": "/id/document/2152", "doc_id": 2152, "rev_number": 2, "files": [ { "id": "/id/file/13452", "fileid": 13452, "datasetid": "document", "objectid": 2152, "filename": "Dhawan_s_1949.pdf", "mime_type": "application/pdf", "filesize": 6201113, "mtime": "2012-12-26 02:37:56", "url": "/1422/1/Dhawan_s_1949.pdf" } ], "eprint_id": 1422, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dhawan_s_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Dhawan_s_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18911" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18911" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18911" } ] } }, { "id": "/id/document/18911", "doc_id": 18911, "rev_number": 2, "files": [ { "id": "/id/file/13450", "fileid": 13450, "datasetid": "document", "objectid": 18911, "filename": "preview.png", "mime_type": "image/png", "hash": "1158ea57abc57d6658615f7bb056e847", "hash_type": "MD5", "filesize": 10373, "mtime": "2012-12-26 02:37:56", "url": "/1422/2/preview.png" } ], "eprint_id": 1422, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2152" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2152" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2152" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/22", "datestamp": "2004-04-23", "lastmod": "2021-07-22 22:49:08", "status_changed": "2009-09-25 02:03:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dhawan-Satish", "name": { "family": "Dhawan", "given": "Satish" }, "show_email": "NO" } ] }, "title": "On the Design and Use of a Flexible Nozzle for the GALCIT Transonic Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautics and Mathematics)", "abstract": "Some aspects concerning the design of flexible nozzles for use in supersonic wind tunnels are discussed. Methods are investigated for matching the deflection patterns of nozzle plates and the theoretical aerodynamic shapes required for uniform, parallel, shockfree flow. Application of the design procedures to the Galcit 4\" x 10\", transonic wind tunnel is detailed. As a demonstration of a use of the tunnel, the Mach number of shock detachment from a 10\u00b0 wedge (half angle) is experimentally investigated.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-04202004-110634", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04202004-110634", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT", "Caltech Distinguished Alumni Award" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-04-23", "doi": "10.7907/ESYY-5P20", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-04-20", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2004-04-23", "thesis_awards": "Caltech Distinguished Alumni Award, 1969", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "option_minor": { "items": [ "math" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Dhawan, Satish" }, { "id": "/id/eprint/382", "eprint_id": 382, "rev_number": 10, "documents": [ { "id": "/id/document/555", "doc_id": 555, "rev_number": 2, "files": [ { "id": "/id/file/3564", "fileid": 3564, "datasetid": "document", "objectid": 555, "filename": "Benitez_le_1949.pdf", "mime_type": "application/pdf", "filesize": 7742675, "mtime": "2012-12-26 02:29:16", "url": "/382/1/Benitez_le_1949.pdf" } ], "eprint_id": 382, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Benitez_le_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Benitez_le_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17381" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17381" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17381" } ] } }, { "id": "/id/document/17381", "doc_id": 17381, "rev_number": 2, "files": [ { "id": "/id/file/3562", "fileid": 3562, "datasetid": "document", "objectid": 17381, "filename": "preview.png", "mime_type": "image/png", "hash": "0f7d86ca3aa0326f292f67945fc0fc2c", "hash_type": "MD5", "filesize": 6965, "mtime": "2012-12-26 02:29:16", "url": "/382/2/preview.png" } ], "eprint_id": 382, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/555" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/555" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/555" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/82", "datestamp": "2009-01-28", "lastmod": "2023-03-27 22:50:57", "status_changed": "2009-09-25 01:35:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Benitez-Louis-Eugenio", "name": { "family": "Benitez", "given": "Louis Eugenio" }, "show_email": "NO" } ] }, "title": "Studies of Radiant Heat Transfer from Pure Gases", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This report contains an outline of some of the experimental measurements and theoretical considerations which are required for the calculation of the emissivity of nitric oxide. Because of lack of suitable apparatus, the experimental part of the program was restricted to the determination of apparent absorption coefficients for the fundamental vibration-rotation band of nitric oxide. Theoretical calculations of emissivity were originally suggested by Dr. Martin Summerfield. The present calculations were made by the use of an approximate procedure which has been developed recently at the Jet Propulsion Laboratory by S. S. Penner for the determination of the emissivity of pure diatomic gases. The results presented in this report facilitate making approximate estimates of the emissivity of nitric oxide as a function of temperature and optical density. For these emissivity calculations it is recommended to correct the experimentally determined apparent absorption coefficients by analogy with available data for carbon monoxide.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01272009-135633", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272009-135633", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/EG68-PD69", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Penner-S-S", "name": { "family": "Penner", "given": "Stanford S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-27", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Benitez, Louis Eugenio" }, { "id": "/id/eprint/383", "eprint_id": 383, "rev_number": 9, "documents": [ { "id": "/id/document/556", "doc_id": 556, "rev_number": 2, "files": [ { "id": "/id/file/3571", "fileid": 3571, "datasetid": "document", "objectid": 556, "filename": "Blenkush_pg_1949.pdf", "mime_type": "application/pdf", "filesize": 20222842, "mtime": "2012-12-26 02:29:16", "url": "/383/1/Blenkush_pg_1949.pdf" } ], "eprint_id": 383, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Blenkush_pg_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Blenkush_pg_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17382" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17382" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17382" } ] } }, { "id": "/id/document/17382", "doc_id": 17382, "rev_number": 2, "files": [ { "id": "/id/file/3569", "fileid": 3569, "datasetid": "document", "objectid": 17382, "filename": "preview.png", "mime_type": "image/png", "hash": "c2699ad9e41bc0ea377d97159c1c6104", "hash_type": "MD5", "filesize": 9761, "mtime": "2012-12-26 02:29:16", "url": "/383/2/preview.png" } ], "eprint_id": 383, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/556" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/556" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/556" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/83", "datestamp": "2009-01-28", "lastmod": "2023-03-27 23:02:37", "status_changed": "2009-09-25 01:35:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Blenkush-Philip- George", "name": { "family": "Blenkush", "given": "Philip George" }, "show_email": "NO" } ] }, "title": "A Wind Tunnel Investigation of the Aerodynamic Characteristics of High-Lift Devices on Supersonic Wings at Low Subsonic Speed", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was made to determine the effects of various full- and partial-span high-lift devices on the lift, drag, and pitching moment characteristics of a straight wing and a highly sweptforward wing, both having an aspect ratio of 1.72 and a thin double wedge symmetrical airfoil section. Split, extended leading edge, and extended trailing edge flaps were tested at various deflection angles on each wing alone and also on wing-fuselage combinations. In addition, plain leading edge flaps extending over a portion of the outboard span were tested on the sweptforward wing. Tuft surveys were made on typical model configurations to determine the change in stall pattern due to variation in the angle of attack.\r\n\r\nFrom the results of the tests it was found that a given flap configuration produced approximately equal increments of maximum lift on the sweptforward wing alone and on the same wing combined with a fuselage. Comparison of the results obtained with the straight wing showed that the maximum lift increments were lower for a given flap used on wing plus fuselage than those obtained with the same flap on the basic straight wing. When considered from the maximum lift standpoint, the extended trailing edge flap was superior to either split or extended leading edge flap. Reduced span flaps were not as effective on the sweptforward wing, as the comparable full span flap. In the case of the straight wing alone, reduced span split and extended trailing edge flaps produced higher maximum lifts than did the corresponding full span configuration. This effect was also observed with the split flap tests on the straight wing combined with the fuselage.\r\n\r\nThe experimental work was performed in the Cal Tech-Merrill wind tunnel located on the Pasadena City College campus.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01272009-151720", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272009-151720", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/N6XA-GR06", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-27", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Blenkush, Philip George" }, { "id": "/id/eprint/797", "eprint_id": 797, "rev_number": 13, "documents": [ { "id": "/id/document/1198", "doc_id": 1198, "rev_number": 2, "files": [ { "id": "/id/file/7519", "fileid": 7519, "datasetid": "document", "objectid": 1198, "filename": "Teig_ve_1949.pdf", "mime_type": "application/pdf", "filesize": 12526837, "mtime": "2012-12-26 02:32:31", "url": "/797/1/Teig_ve_1949.pdf" } ], "eprint_id": 797, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Teig_ve_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Teig_ve_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17999" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17999" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17999" } ] } }, { "id": "/id/document/17999", "doc_id": 17999, "rev_number": 2, "files": [ { "id": "/id/file/7517", "fileid": 7517, "datasetid": "document", "objectid": 17999, "filename": "preview.png", "mime_type": "image/png", "hash": "17469e5b0da81772943ecdf2ef5343e6", "hash_type": "MD5", "filesize": 8038, "mtime": "2012-12-26 02:32:31", "url": "/797/2/preview.png" } ], "eprint_id": 797, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1198" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1198" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1198" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/07/97", "datestamp": "2009-03-06", "lastmod": "2023-03-30 17:52:32", "status_changed": "2009-09-25 01:46:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Teig-Vernon-Ellwood", "name": { "family": "Teig", "given": "Vernon Ellwood" }, "show_email": "NO" } ] }, "title": "Stress Distribution in Two Intersecting Cylinders Under Pressure", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical engineering", "abstract": "The experimental studies presented here were undertaken in an effort to determine the stress distribution in two circular cylinders intersecting at right angles and under internal pressure. The investigation was limited to tests of two specimens in the thick-walled cylinder range.
\r\n\r\nThe experimental analysis led to the following conclusions:
\r\n\r\n1. The highest stress concentrations are located at an angle of about 14.5 degrees from the crotch centerline measured in the plane of the intersection.
\r\n2. The critical stress causing rupture is the tangential stress in the plane of the ellipse.
\r\n3. For the R/t ratios tested, the strength reduction as compared with a straight closed cylinder is approximately 50%.
\r\n4. It appears probable that bending effects for these thick-walled cylinders are of relatively minor importance.
An apparatus for the investigation of flow separation in a supersonic nozzle has been designed and constructed. Nozzle wall pressure distributions and shadowgraphs showing the associated shock wave configuration have been obtained for a range of different stagnation pressures and constant exit pressure.
\r\n\r\nThe pressure ratios were such that the theoretical nozzle exit pressure, without separation, was always less than atmospheric pressure. With the nozzle contour and pressure ratios investigated it is found that separation of flow from the nozzle walls always occurs. The separation is accompanied by a weak oblique shock wave of such strength that the flow deflection through it is approximately constant, independent of the location of the point of separation within the nozzle. The pressure adjustment from nozzle to exit does not occur through a normal shock wave.
\r\n\r\nAt pressure ratios below a certain value a definite asymmetry of flow appears in which the detached jet deflects away from the nozzle symmetry axis. At higher pressure ratios, the flow becomes stable with separation occurring at the same distance from the nozzle throat on both upper and lower walls.
", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02272009-143254", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02272009-143254", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-03-06", "doi": "10.7907/G1V3-A479", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-27", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-03-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "McKenney, John Dill" }, { "id": "/id/eprint/385", "eprint_id": 385, "rev_number": 9, "documents": [ { "id": "/id/document/558", "doc_id": 558, "rev_number": 2, "files": [ { "id": "/id/file/3585", "fileid": 3585, "datasetid": "document", "objectid": 558, "filename": "Bacon_jw_1949.pdf", "mime_type": "application/pdf", "filesize": 176519404, "mtime": "2012-12-26 02:29:17", "url": "/385/1/Bacon_jw_1949.pdf" } ], "eprint_id": 385, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bacon_jw_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Bacon_jw_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17384" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17384" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17384" } ] } }, { "id": "/id/document/17384", "doc_id": 17384, "rev_number": 2, "files": [ { "id": "/id/file/3583", "fileid": 3583, "datasetid": "document", "objectid": 17384, "filename": "preview.png", "mime_type": "image/png", "hash": "2c79b3d2260bfa5c35b7b484193dbc72", "hash_type": "MD5", "filesize": 5779, "mtime": "2012-12-26 02:29:17", "url": "/385/2/preview.png" } ], "eprint_id": 385, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/558" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/558" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/558" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/85", "datestamp": "2009-01-28", "lastmod": "2023-03-27 22:37:30", "status_changed": "2009-09-25 01:35:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bacon-John-William", "name": { "family": "Bacon", "given": "John William" }, "show_email": "NO" } ] }, "title": "An Investigation of Blowing as a Method of Increasing the Maximum Lift of a Double-Wedge Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This report presents the results of an investigation of boundary layer energization by blowing as a method of increasing the maximum lift coefficient for supersonic airfoils operating at low subsonic speeds.\r\n\r\nThe model used was a double wedged airfoil with end plates and a spanwise slot located at the 15%, 25% or 35% chord position. Air was blown back over the wing from this slot producing a considerable increase in maximum lift for most configurations. Blowing proved to be most effective in increasing the maximum lift when used with the nose flap, fairly effective with combined flaps and wing alone, but ineffective with the split flap.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01272009-155604", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01272009-155604", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/NT63-HE54", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-27", "thesis_defense_date": "1949-06-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Bacon, John William" }, { "id": "/id/eprint/511", "eprint_id": 511, "rev_number": 9, "documents": [ { "id": "/id/document/750", "doc_id": 750, "rev_number": 2, "files": [ { "id": "/id/file/4775", "fileid": 4775, "datasetid": "document", "objectid": 750, "filename": "Shonerd_de_1949.pdf", "mime_type": "application/pdf", "filesize": 13925077, "mtime": "2012-12-26 02:30:12", "url": "/511/1/Shonerd_de_1949.pdf" } ], "eprint_id": 511, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Shonerd_de_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Shonerd_de_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17565" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17565" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17565" } ] } }, { "id": "/id/document/17565", "doc_id": 17565, "rev_number": 2, "files": [ { "id": "/id/file/4773", "fileid": 4773, "datasetid": "document", "objectid": 17565, "filename": "preview.png", "mime_type": "image/png", "hash": "bf9d557a2a9511941c40e72dac7403d0", "hash_type": "MD5", "filesize": 7400, "mtime": "2012-12-26 02:30:11", "url": "/511/2/preview.png" } ], "eprint_id": 511, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/750" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/750" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/750" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/11", "datestamp": "2009-02-05", "lastmod": "2023-03-29 17:20:54", "status_changed": "2009-09-25 01:38:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Shonerd-David-Edwin", "name": { "family": "Shonerd", "given": "David Edwin" }, "show_email": "NO" } ] }, "title": "Winged Rocket Performance Analysis", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A method is presented for estimating the effects of various parameters on the performance of a winged rocket. A program for studying three specific parameters, i.e., wing areas, reduced thrust cruising programs, and trajectory climb angles, and their effect on the horizontal range of a winged rocket is presented. Complete calculations are carried out for one combination of these parameters.\r\n\r\nAn analysis of the Lift, Drag and Stability characteristics of a long, slender rocket with trapezoidal fins and wings is made. The stabilizing effectiveness of delta and trapezoidal fins is compared.\r\n\r\nSimplified approximate methods of integrating the trajectory equations by step-by-step method are presented.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02052009-092504", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02052009-092504", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-05", "doi": "10.7907/34ZH-KG02", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-05", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Shonerd, David Edwin" }, { "id": "/id/eprint/391", "eprint_id": 391, "rev_number": 10, "documents": [ { "id": "/id/document/571", "doc_id": 571, "rev_number": 2, "files": [ { "id": "/id/file/3658", "fileid": 3658, "datasetid": "document", "objectid": 571, "filename": "Monroe_gm_1949.pdf", "mime_type": "application/pdf", "filesize": 1481606, "mtime": "2012-12-26 02:29:21", "url": "/391/1/Monroe_gm_1949.pdf" } ], "eprint_id": 391, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Monroe_gm_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Monroe_gm_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17397" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17397" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17397" } ] } }, { "id": "/id/document/17397", "doc_id": 17397, "rev_number": 2, "files": [ { "id": "/id/file/3656", "fileid": 3656, "datasetid": "document", "objectid": 17397, "filename": "preview.png", "mime_type": "image/png", "hash": "a8767ed9c32488b9f9aceb755c8d5c85", "hash_type": "MD5", "filesize": 8895, "mtime": "2012-12-26 02:29:21", "url": "/391/2/preview.png" } ], "eprint_id": 391, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/571" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/571" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/571" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/91", "datestamp": "2009-01-28", "lastmod": "2023-03-28 22:20:13", "status_changed": "2009-09-25 01:36:03", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Monroe-Gerald-Morgan", "name": { "family": "Monroe", "given": "Gerald Morgan" }, "show_email": "NO" } ] }, "title": "Higher Order Approximate Solutions for the Flow in Axial Turbomachines", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The theory of the three-dimensional rotational flow of an incompressible and inviscid fluid through an axial turbomachine is described and the hydrodynamical equations are simplified by considering an infinite number of blades in each row. The forces of the blades on the fluid are treated as non-conservative body forces distributed uniformly about the axis.\r\n\r\nFormulation of the mathematical problem leads to one non-linear partial differential equation and two integral equations for the three velocity components. A linearized solution of these simultaneous equations for any prescribed blade loading is based on the consideration that the vorticity generated by the blades is transported downstream by the mean axial velocity. An iteration process which leads to solutions of greater accuracy is developed by considering for each iteration that the vorticity is transported by the velocities found by the previous iteration.\r\n\r\nThe Bessel's functions which occur in the Green's function solution are replaced by their asymptotic values and the infinite series is summed to express the solution in closed form. The iteration process is then adapted to mechanical calculations by dividing the region of vorticity into small rings of rectangular cross-section and determining the influence on the velocity of a unit change of vorticity in each of these rings. Once this influence is established it is relatively easy to calculate the velocities in any axial flow machine with any prescribed blade loading.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-092006", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-092006", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/8BJW-AE38", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Marble-F-E", "name": { "family": "Marble", "given": "Frank E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Monroe, Gerald Morgan" }, { "id": "/id/eprint/392", "eprint_id": 392, "rev_number": 10, "documents": [ { "id": "/id/document/572", "doc_id": 572, "rev_number": 2, "files": [ { "id": "/id/file/3666", "fileid": 3666, "datasetid": "document", "objectid": 572, "filename": "Muirhead_vu_1949.pdf", "mime_type": "application/pdf", "filesize": 9977030, "mtime": "2012-12-26 02:29:21", "url": "/392/1/Muirhead_vu_1949.pdf" } ], "eprint_id": 392, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Muirhead_vu_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Muirhead_vu_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17398" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17398" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17398" } ] } }, { "id": "/id/document/17398", "doc_id": 17398, "rev_number": 2, "files": [ { "id": "/id/file/3664", "fileid": 3664, "datasetid": "document", "objectid": 17398, "filename": "preview.png", "mime_type": "image/png", "hash": "02fe6799054d935834cc6c56587edca8", "hash_type": "MD5", "filesize": 7816, "mtime": "2012-12-26 02:29:21", "url": "/392/2/preview.png" } ], "eprint_id": 392, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/572" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/572" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/572" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/92", "datestamp": "2009-01-28", "lastmod": "2023-03-28 22:31:28", "status_changed": "2009-09-25 01:36:04", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Muirhead-Vincent-Uriel", "name": { "family": "Muirhead", "given": "Vincent Uriel" }, "show_email": "NO" } ] }, "title": "Flow Field Around a Finite Cone with Shock", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The objective of this investigation was to study the flow field in the immediate vicinity of a finite cone and to compare the results with analytical values for an infinite cone. Pressure distribution over the surface of a 70 degree cone and the general characteristics of the shock wave were investigated. The tests were conducted at five Mach numbers covering the four regimes of flow. Particular attention was given to the conditions at the apex of the cone. The locations of the intersection of the sonic line with the surface of the cone and with the shock wave were determined.\r\n\r\nIn general the tests demonstrate that at the apex of a finite cone the pressure and the shock wave angle closely approach the values predicted by analytical methods in the four regimes of flow.\r\n\r\nThe tests were conducted in the GALCIT 2.5\" Supersonic Wind Tunnel.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-092339", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-092339", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/7GMA-0V07", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Muirhead, Vincent Uriel" }, { "id": "/id/eprint/393", "eprint_id": 393, "rev_number": 10, "documents": [ { "id": "/id/document/573", "doc_id": 573, "rev_number": 2, "files": [ { "id": "/id/file/3673", "fileid": 3673, "datasetid": "document", "objectid": 573, "filename": "Lamb_we_1949.pdf", "mime_type": "application/pdf", "filesize": 26236162, "mtime": "2012-12-26 02:29:21", "url": "/393/1/Lamb_we_1949.pdf" } ], "eprint_id": 393, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lamb_we_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Lamb_we_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17399" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17399" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17399" } ] } }, { "id": "/id/document/17399", "doc_id": 17399, "rev_number": 2, "files": [ { "id": "/id/file/3671", "fileid": 3671, "datasetid": "document", "objectid": 17399, "filename": "preview.png", "mime_type": "image/png", "hash": "4a24347fe6e70db7c3446be97b534510", "hash_type": "MD5", "filesize": 5726, "mtime": "2012-12-26 02:29:21", "url": "/393/2/preview.png" } ], "eprint_id": 393, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/573" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/573" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/573" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/93", "datestamp": "2009-01-28", "lastmod": "2023-03-28 21:35:06", "status_changed": "2009-09-25 01:36:04", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lamb-William-Emerson", "name": { "family": "Lamb", "given": "William Emerson" }, "show_email": "NO" } ] }, "title": "Fatigue Strength of Metal Sandwich Type Construction", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was conducted to determine the fatigue strength of a new type of all metal sandwich panel structure, designed and furnished by Western Engineering Associates of Los Angeles. This structure consisted basically of a new type of embossed core attached by spot welding to one or more smooth sheets of the same metal. Specimens tested were all of the single core, single skin type. Metal used was 24ST aluminum alloy of 0.032 inch thickness. This construction affords high structural rigidity for its weight. Two patterns of the embossed core were tested. One of the specimens had its core embossed with a triangular pattern, the other with a square pattern.\r\n\r\nThe specimens were tested by utilizing them as simply supported beams, loaded in the center by a sinusoidally varying load of constant maximum magnitude. This load was applied by means of loading bars one on the top of the specimen, the other on the bottom. These bars had flat, one inch wide surfaces, contacting the specimen. To prevent the sharp edges of the bars from causing local failures of the specimens, a layer of one-eighth inch thick koroseal was used between the bars and the specimen. Specimens tested had a length between end supports of 16.7 inches. Their width was 9 inches.\r\n\r\nThe loading obtained was a combination of bending and shear. The shear stress was of such a low magnitude, however, that it could be neglected.\r\n\r\nFailure of the specimens was deemed as occurring at the time the first crack appeared. A method was devised for crack detection that consisted of laying down a conducting strip over a thin insulating layer in a network fashion, covering all saddle points of the core in the central area, since previous testing had disclosed the fact that failure occurred at these points first. Any crack in one of these saddles caused a break in the conducting strip which changed the bias on the controlling electronic tube to a cut off value. This tube was part of an Eccles-Jordan Trigger circuit which with associated tubes allowed current flow through a thyratron relay circuit opening the starting circuit of the testing machine, causing it to stop.\r\n\r\nThe data shows that for the specimens oriented in a normal fashion, that is, with one of the sides of the square or triangle of the core parallel to the loading bar, which was the situation for most of the tests, the square pattern is vastly superior to the triangular one, as regards fatigue strength. For specimens oriented in this way the square pattern withstood a bending moment of 13.45 inch pounds per inch of width; whereas the triangular pattern withstood only 9.28. Two tests conducted with the square core having the sides of the squares at an angle of forty-five degrees to the loading bars gave results about midway between. However, the effective EI for this configuration was considerably reduced, and consequently actual failure stress was probably about equal to that for the ease where the sides were parallel to the loading bar.\r\n\r\nThe triangular pattern was actually much worse than the curve shows. At the higher loads cracks occurred with very few cycles of loading. Automatic cut-off feature was not in use for these tests. In service it is highly possible that overloads of short duration might cause small cracks which would become focal points of fatigue failure, thus reducing the fatigue strength well below the design point. This weakness of the triangular pattern arises from the fact that smooth fillets or saddles, joining depressed and elevated portions of the core, are harder to obtain in this pattern than in the square one. Wrinkles and tool marks were present in almost every one of the triangular specimens tested.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-095113", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-095113", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/YEGJ-XT59", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Hudson-D-E", "name": { "family": "Hudson", "given": "Donald E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Lamb, William Emerson" }, { "id": "/id/eprint/675", "eprint_id": 675, "rev_number": 11, "documents": [ { "id": "/id/document/996", "doc_id": 996, "rev_number": 2, "files": [ { "id": "/id/file/6286", "fileid": 6286, "datasetid": "document", "objectid": 996, "filename": "MacKinnon_na_1949.pdf", "mime_type": "application/pdf", "filesize": 14936830, "mtime": "2012-12-26 02:31:23", "url": "/675/1/MacKinnon_na_1949.pdf" } ], "eprint_id": 675, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "MacKinnon_na_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "MacKinnon_na_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17798" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17798" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17798" } ] } }, { "id": "/id/document/17798", "doc_id": 17798, "rev_number": 2, "files": [ { "id": "/id/file/6284", "fileid": 6284, "datasetid": "document", "objectid": 17798, "filename": "preview.png", "mime_type": "image/png", "hash": "e9a9d4601a98d771319446d8a049a55f", "hash_type": "MD5", "filesize": 7359, "mtime": "2012-12-26 02:31:23", "url": "/675/2/preview.png" } ], "eprint_id": 675, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/996" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/996" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/996" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/75", "datestamp": "2009-02-19", "lastmod": "2023-03-28 21:43:51", "status_changed": "2009-09-25 01:43:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "MacKinnon-Neil-Allan", "name": { "family": "MacKinnon", "given": "Neil Allan" }, "show_email": "NO" } ] }, "title": "Flow Field Around a Finite Cone with Shock", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An experimental investigation was made to determine the characteristics of the flow over the surface of a 70\u00b0 cone and at the shock wave for values near the detachment Mach number. The purpose of this investigation was to compare the experimental results obtained with theoretical values.\r\n\r\nTests were made in the GALCIT 2.5\" Supersonic Wind Tunnel on a 70\u00b0 cone at zero angle of attack for five different free stream Mach numbers: 1.49, 1.630, 1.694, 1.86, 1.997.\r\n\r\nIt was found that theory gives close agreement with experimental results.\r\n\r\nThis investigation was conducted jointly with Mr. Vincent Muirhead at the California Institute of Technology, Pasadena, California.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02182009-110248", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02182009-110248", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-19", "doi": "10.7907/XR4M-9R51", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-18", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "MacKinnon, Neil Allan" }, { "id": "/id/eprint/396", "eprint_id": 396, "rev_number": 10, "documents": [ { "id": "/id/document/576", "doc_id": 576, "rev_number": 2, "files": [ { "id": "/id/file/3697", "fileid": 3697, "datasetid": "document", "objectid": 576, "filename": "Pinkerton_cc_1949.pdf", "mime_type": "application/pdf", "filesize": 64112772, "mtime": "2012-12-26 02:29:22", "url": "/396/1/Pinkerton_cc_1949.pdf" } ], "eprint_id": 396, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Pinkerton_cc_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Pinkerton_cc_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17402" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17402" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17402" } ] } }, { "id": "/id/document/17402", "doc_id": 17402, "rev_number": 2, "files": [ { "id": "/id/file/3695", "fileid": 3695, "datasetid": "document", "objectid": 17402, "filename": "preview.png", "mime_type": "image/png", "hash": "fa81062594117c7db8dcbc4a726e0973", "hash_type": "MD5", "filesize": 10713, "mtime": "2012-12-26 02:29:22", "url": "/396/2/preview.png" } ], "eprint_id": 396, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/576" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/576" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/576" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/96", "datestamp": "2009-01-29", "lastmod": "2023-03-29 16:47:09", "status_changed": "2009-09-25 01:36:18", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Pinkerton-Charles-C", "name": { "family": "Pinkerton", "given": "Charles C." }, "show_email": "NO" } ] }, "title": "Experimental Determination of the Thermal Conductivity of Porous Copper", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The techniques of powder metallurgy have produced porous variations of the metals copper, steel and nickel. The proposed application of these porous metals in the sweat-cooling of jet propulsion engines demands an exact knowledge of their thermal as well as their physical properties.\r\n\r\nThis thesis presents an experimental determination of the thermal conductivity of copper as a function of porosity, and an insight into the way this conductivity depends on temperature.\r\n\r\nThe experiments were performed on a simplified version of the apparatus used by the Bureau of Standards for solid metals. Four copper specimens varying in porosity from 22 to 42 per cent were measured. The results obtained are consistent with those predicted by other investigators from entirely different considerations.\r\n\r\nThe results are summarized in two graphs. The first shows temperature versus thermal conductivity. The second gives thermal conductivity versus porosity. It is shown that porosity largely determines thermal conductivity while temperature is distinctly a second-order influence. An analytical expression for the variation of thermal conductivity with porosity is introduced, and general agreement with the experimental results is noted.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-130000", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-130000", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-29", "doi": "10.7907/T9JD-BK76", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1948-08-01", "thesis_approved_date": "2009-01-29", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Pinkerton, Charles C." }, { "id": "/id/eprint/631", "eprint_id": 631, "rev_number": 11, "documents": [ { "id": "/id/document/935", "doc_id": 935, "rev_number": 2, "files": [ { "id": "/id/file/5892", "fileid": 5892, "datasetid": "document", "objectid": 935, "filename": "McElligott_rh_1949.pdf", "mime_type": "application/pdf", "filesize": 3860061, "mtime": "2012-12-26 02:31:04", "url": "/631/1/McElligott_rh_1949.pdf" } ], "eprint_id": 631, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "McElligott_rh_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "McElligott_rh_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17737" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17737" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17737" } ] } }, { "id": "/id/document/17737", "doc_id": 17737, "rev_number": 2, "files": [ { "id": "/id/file/5890", "fileid": 5890, "datasetid": "document", "objectid": 17737, "filename": "preview.png", "mime_type": "image/png", "hash": "51ee1eaa59adcc995d112ee1394d10dc", "hash_type": "MD5", "filesize": 10899, "mtime": "2012-12-26 02:31:04", "url": "/631/2/preview.png" } ], "eprint_id": 631, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/935" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/935" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/935" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/31", "datestamp": "2009-02-19", "lastmod": "2023-03-28 22:04:24", "status_changed": "2009-09-25 01:42:07", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "McElligott-Richard-Hardy", "name": { "family": "McElligott", "given": "Richard Hardy" }, "show_email": "NO" } ] }, "title": "Investigation of Pressure Drop Through Helical Coils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This investigation was conducted to determine the character of the pressure drop through helically wound pipes by comparing the pressure drops of straight pipes and helically wound pipes of comparable relative roughness.\r\n\r\nThe scope of the study was limited to Reynolds Numbers below 10[superscript 5] and to flow through 3/8 and 1/2 inch stainless steel tubing of circular cross section. It was further limited by the use of water as the only working fluid and by the fact that no control was established over the exact character of the surface roughness.\r\n\r\nThe results show that the correction factor Hc' is rather insensitive to Reynold's number and that it has greater dependence upon roughness and less dependence upon curvature than was previously thought probable. In addition, it is shown that an empirical formula of the type Hc = 1 + K(r/D)[superscript a](D/Dh)[superscript b] where a >> b, is probably more realistic than the Ac = 1 + 3.5 D/Dh expressed in current literature. It is further shown that within the scope of this study, the relative roughness, r/D, as determined by the profilometer and the relative roughness \u03b5/D as used by L. F. Moody correspond, and r/D may be used to determine a friction factor from the Moody curves.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02132009-131121", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02132009-131121", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-19", "doi": "10.7907/0S5A-NH14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-13", "thesis_defense_date": "1948-09-01", "thesis_approved_date": "2009-02-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "McElligott, Richard Hardy" }, { "id": "/id/eprint/620", "eprint_id": 620, "rev_number": 11, "documents": [ { "id": "/id/document/924", "doc_id": 924, "rev_number": 2, "files": [ { "id": "/id/file/5809", "fileid": 5809, "datasetid": "document", "objectid": 924, "filename": "Marx_mf_1949.pdf", "mime_type": "application/pdf", "filesize": 16998040, "mtime": "2012-12-26 02:31:01", "url": "/620/1/Marx_mf_1949.pdf" } ], "eprint_id": 620, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Marx_mf_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Marx_mf_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17726" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17726" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17726" } ] } }, { "id": "/id/document/17726", "doc_id": 17726, "rev_number": 2, "files": [ { "id": "/id/file/5807", "fileid": 5807, "datasetid": "document", "objectid": 17726, "filename": "preview.png", "mime_type": "image/png", "hash": "211a3d58c3cd6ee0b3d9fc74a4351f37", "hash_type": "MD5", "filesize": 10918, "mtime": "2012-12-26 02:31:01", "url": "/620/2/preview.png" } ], "eprint_id": 620, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/924" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/924" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/924" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/20", "datestamp": "2009-02-18", "lastmod": "2023-03-28 21:58:36", "status_changed": "2009-09-25 01:41:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Marx-Michael-Ferdinand", "name": { "family": "Marx", "given": "Michael Ferdinand" }, "show_email": "NO" } ] }, "title": "Low Speed Wind Tunnel Investigation of High Lift Devices on a 65\u00b0 Swept-Back Supersonic Wing of 3.44 Aspect Ratio", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A low speed survey was conducted on a 3.44 aspect ratio wing having a 65\u00b0 swept-back leading edge and double wedge symmetrical airfoil section to obtain information as to the effectiveness of various high-lift devices. These devices included trailing edge split and extended split flaps, leading edge split flaps, slats and combined configurations. Tests were carried out on the wing with and without the fuselage and horizontal tail surface.\r\n\r\nThe split flaps increased the lift over the lower ranges of angle of attack only. The extended split flaps increased the lift over the whole angle of attack range. Hose flaps showed practically no gain over any of the range when used by themselves. However, when combined with the trailing edge split flaps in the wing-fuselage configuration, the optimum maximum lift conditions were obtained. Addition of the fuselage and horizontal tail surfaces each produced considerable increments of lift.\r\n\r\nIn all configurations except leading edge flaps in the inboard position undesirably large negative pitching moments resulted. However, they had stabilizing tendencies except where there were irregularities in the lift curves.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02122009-093718", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02122009-093718", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-18", "doi": "10.7907/2B48-J790", "alt_title": { "items": [ "Low Speed Wind Tunnel Investigation of High Lift Devices on a 65 degree Swept-Back Supersonic Wing of 3.44 Aspect Ratio" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-12", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Marx, Michael Ferdinand" }, { "id": "/id/eprint/609", "eprint_id": 609, "rev_number": 10, "documents": [ { "id": "/id/document/910", "doc_id": 910, "rev_number": 2, "files": [ { "id": "/id/file/5717", "fileid": 5717, "datasetid": "document", "objectid": 910, "filename": "Ogilvie_dc_1949.pdf", "mime_type": "application/pdf", "filesize": 6008003, "mtime": "2012-12-26 02:30:57", "url": "/609/1/Ogilvie_dc_1949.pdf" } ], "eprint_id": 609, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ogilvie_dc_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Ogilvie_dc_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17712" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17712" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17712" } ] } }, { "id": "/id/document/17712", "doc_id": 17712, "rev_number": 2, "files": [ { "id": "/id/file/5715", "fileid": 5715, "datasetid": "document", "objectid": 17712, "filename": "preview.png", "mime_type": "image/png", "hash": "fcaefe1e7ebbb78fa4867e5bb6d87942", "hash_type": "MD5", "filesize": 7942, "mtime": "2012-12-26 02:30:57", "url": "/609/2/preview.png" } ], "eprint_id": 609, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/910" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/910" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/910" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/09", "datestamp": "2009-02-18", "lastmod": "2023-03-28 22:37:33", "status_changed": "2009-09-25 01:41:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ogilvie-Douglas-Clark", "name": { "family": "Ogilvie", "given": "Douglas Clark" }, "show_email": "NO" } ] }, "title": "Correlation of Existing Design Information on Sandwich Construction", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The problem considered is one of survey and correlation of existing design information on sandwich construction. The subject matter deals with the types of sandwiches, advantages, buckling and stress analysis, published test data, design methods, core materials, weight comparisons, current applications and the manufacture, repair and inspection of sandwich construction.\r\n\r\nSuggestions for extensions needed are given and where obvious improvements in analysis could be seen, these modified methods were suggested.\r\n\r\nSuggested further work - Every phase of sandwich construction considered in the present thesis shows need for further development. Particularly useful fields for further work are the development of more adequate stress analysis methods for the core, more general correlation of existing formulas and the development of better means of attachment, inspection and repair.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02112009-154609", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02112009-154609", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-18", "doi": "10.7907/F4C5-0536", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Converse-F-J", "name": { "family": "Converse", "given": "Frederick James" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-11", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Ogilvie, Douglas Clark" }, { "id": "/id/eprint/474", "eprint_id": 474, "rev_number": 10, "documents": [ { "id": "/id/document/710", "doc_id": 710, "rev_number": 2, "files": [ { "id": "/id/file/4487", "fileid": 4487, "datasetid": "document", "objectid": 710, "filename": "Ringness_wm_1949.pdf", "mime_type": "application/pdf", "filesize": 4155003, "mtime": "2012-12-26 02:30:00", "url": "/474/1/Ringness_wm_1949.pdf" } ], "eprint_id": 474, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ringness_wm_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Ringness_wm_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17527" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17527" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17527" } ] } }, { "id": "/id/document/17527", "doc_id": 17527, "rev_number": 2, "files": [ { "id": "/id/file/4485", "fileid": 4485, "datasetid": "document", "objectid": 17527, "filename": "preview.png", "mime_type": "image/png", "hash": "7a6a5ad57338cb4eef14bcc0e063bb30", "hash_type": "MD5", "filesize": 10423, "mtime": "2012-12-26 02:30:00", "url": "/474/2/preview.png" } ], "eprint_id": 474, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/710" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/710" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/710" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/04/74", "datestamp": "2009-02-02", "lastmod": "2023-03-28 00:09:17", "status_changed": "2009-09-25 01:38:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ringness-William-Merritt", "name": { "family": "Ringness", "given": "William Merritt" }, "show_email": "NO" } ] }, "title": "The Effect of Surface Roughness upon 25 ST Aluminum Alloy Subjected to Repeated Tensile Stresses Above the Proportional Limit", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Utilizing the Repeated Load Hydraulic Testing Machine at the Daniel Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California, the author, in collaboration with Lt. Comdr. D. J. Hardy, U. S. Navy, investigated the effects of surface roughness upon the cyclic life of 25 ST aluminum alloy when subjected to repeated constant tensile stresses in the region above the proportional limit.\r\n\r\nThe stress impulses are of such low frequency as to allow consideration of single impulses. The rate of build-up of the impulse and the duration of the impulsive load are such as to create an equivalent static load of substantially the same magnitude as the peak of the impulse loading.\r\n\r\nIt was found that surface roughness has some effect upon the cyclic life. In the lower stress regions, the greater the degree of surface roughness, the shorter the life appears to be. However, for the range of roughness investigated, 5\u03bc to 200\u03bc, the effect is not so pronounced as is usually found below the proportional limit.\r\n\r\nWhere the applied stresses reached far up into the plastic range the effect of surface roughness does not seem to follow quite as specific a pattern. Since the loading impulse featured a 0.33 second duration of maximum load, the effects of creep may well have taken over in shaping the life cycle curve with little regard for surface roughness.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02022009-093120", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02022009-093120", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-02", "doi": "10.7907/WH57-T868", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "advisor" }, { "id": "Converse-F-J", "name": { "family": "Converse", "given": "Frederick James" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-02", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-02", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Ringness, William Merritt" }, { "id": "/id/eprint/598", "eprint_id": 598, "rev_number": 9, "documents": [ { "id": "/id/document/898", "doc_id": 898, "rev_number": 2, "files": [ { "id": "/id/file/5628", "fileid": 5628, "datasetid": "document", "objectid": 898, "filename": "Benezra_jn_1949.pdf", "mime_type": "application/pdf", "filesize": 102335394, "mtime": "2012-12-26 02:30:53", "url": "/598/1/Benezra_jn_1949.pdf" } ], "eprint_id": 598, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Benezra_jn_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Benezra_jn_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17701" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17701" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17701" } ] } }, { "id": "/id/document/17701", "doc_id": 17701, "rev_number": 2, "files": [ { "id": "/id/file/5626", "fileid": 5626, "datasetid": "document", "objectid": 17701, "filename": "preview.png", "mime_type": "image/png", "hash": "43cd13b7ffbd2e75a25f7886b37c3398", "hash_type": "MD5", "filesize": 1795, "mtime": "2012-12-26 02:30:53", "url": "/598/2/preview.png" } ], "eprint_id": 598, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/898" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/898" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/898" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/98", "datestamp": "2009-02-12", "lastmod": "2023-03-27 22:44:47", "status_changed": "2009-09-25 01:41:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Benezra-Joseph-Nissim", "name": { "family": "Benezra", "given": "Joseph Nissim" }, "show_email": "NO" } ] }, "title": "Supersonic Flow in a Two-Dimensional Asymmetric Channel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A practical method is developed whereby the flow field in a two-dimensional asymmetric channel can easily be determined employing the method of characteristics. Some insight as to the accuracy of such a graphical solution is gained by checking against a known theoretical solution. An asymmetric channel having a simple geometric form is designed for uniform exit flow. The lower wall is then shifted various distances to achieve different mean flows at the exit thus simulating the operation of a wind tunnel. The velocity and flow inclination gradients are determined in the test section. The same analysis is performed on a similar channel but with one of the geometric parameters of the throat changed. Finally, an investigation is carried out to determine the amount that the profile of the upper wall differs from what it should be to attain uniform flow in the test section for the various configurations.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02102009-091251", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02102009-091251", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-12", "doi": "10.7907/GYFS-PN59", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-10", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Benezra, Joseph Nissim" }, { "id": "/id/eprint/512", "eprint_id": 512, "rev_number": 11, "documents": [ { "id": "/id/document/751", "doc_id": 751, "rev_number": 2, "files": [ { "id": "/id/file/4783", "fileid": 4783, "datasetid": "document", "objectid": 751, "filename": "Weatherup_ra_1949.pdf", "mime_type": "application/pdf", "filesize": 81682192, "mtime": "2012-12-26 02:30:12", "url": "/512/1/Weatherup_ra_1949.pdf" } ], "eprint_id": 512, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Weatherup_ra_1949.pdf", "language": "en", "security": "public", "license": "other", "main": "Weatherup_ra_1949.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17566" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17566" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17566" } ] } }, { "id": "/id/document/17566", "doc_id": 17566, "rev_number": 2, "files": [ { "id": "/id/file/4781", "fileid": 4781, "datasetid": "document", "objectid": 17566, "filename": "preview.png", "mime_type": "image/png", "hash": "55448829b09e3aec90e2ff63a5186885", "hash_type": "MD5", "filesize": 10257, "mtime": "2012-12-26 02:30:12", "url": "/512/2/preview.png" } ], "eprint_id": 512, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/751" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/751" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/751" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/05/12", "datestamp": "2009-02-09", "lastmod": "2023-03-29 17:30:33", "status_changed": "2009-09-25 01:38:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Weatherup-Robert-Alexander", "name": { "family": "Weatherup", "given": "Robert Alexander" }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of the Pressure Loss in Flow Through Helical Coils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\n\r\nThis thesis is a report of an experimental investigation of pressure losses in flow through helical coils of circular cross section. The investigation aimed at the determination of a multiplying factor [...] which could be applied to the friction factor for an equivalent straight pipe in order to determine the effective friction factor for flow through a helical coil.\r\n\r\nThe following conclusions were reached:\r\n\r\n1. The multiplicative factor [...] is a function of Reynolds number and has a minimum value at a Reynolds number of approximately 8,000.\r\n\r\n2. The factor [...] is also dependent on the ratio [...]. The general effect of this ratio is to increase [...] as the ratio [...] is decreased. At Reynolds numbers above 8,000, however, [...] was found to be rather insensitive to variation in [...] over the range from [...] with a minimum at [...].\r\n\r\n3. The factor [...] was found to be independent of the ratios [...] and [...] over the ranges investigated.", "date": "1949", "date_type": "degree", "id_number": "CaltechETD:etd-02052009-133758", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02052009-133758", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-09", "doi": "10.7907/KZ8G-V819", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Seifert-H-S", "name": { "family": "Seifert", "given": "Howard S." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-05", "thesis_defense_date": "1949-01-01", "thesis_approved_date": "2009-02-09", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1949", "author_list": "Weatherup, Robert Alexander" }, { "id": "/id/eprint/5076", "eprint_id": 5076, "rev_number": 10, "documents": [ { "id": "/id/document/8049", "doc_id": 8049, "rev_number": 2, "files": [ { "id": "/id/file/49533", "fileid": 49533, "datasetid": "document", "objectid": 8049, "filename": "Jensen_aa_1948.pdf", "mime_type": "application/pdf", "filesize": 58084850, "mtime": "2012-12-26 03:14:33", "url": "/5076/1/Jensen_aa_1948.pdf" } ], "eprint_id": 5076, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Jensen_aa_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Jensen_aa_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24555" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24555" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24555" } ] } }, { "id": "/id/document/24555", "doc_id": 24555, "rev_number": 2, "files": [ { "id": "/id/file/49531", "fileid": 49531, "datasetid": "document", "objectid": 24555, "filename": "preview.png", "mime_type": "image/png", "hash": "e0f42e773c059179b31d978cec17fa84", "hash_type": "MD5", "filesize": 12822, "mtime": "2012-12-26 03:14:33", "url": "/5076/2/preview.png" } ], "eprint_id": 5076, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8049" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8049" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8049" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/76", "datestamp": "2009-01-14", "lastmod": "2023-03-21 23:02:09", "status_changed": "2009-09-25 03:32:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Jensen-Arnold-Axtell", "name": { "family": "Jensen", "given": "Arnold Axtell" }, "show_email": "NO" }, { "id": "Koerner-Warren-Gottlieb", "name": { "family": "Koerner", "given": "Warren Gottlieb" }, "show_email": "NO" } ] }, "title": "Wind Tunnel Investigation of a Supersonic Tailless Airplane at Low Subsonic Speed", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "An investigation was made in the Caltech-Merrill low speed wind tunnel at Pasadena City College to determine the lift and moment characteristics of a sweptback wing and a comparable delta wing, both with a 65\u00b0 sweptback leading edge and a double wedge symmetrical airfoil section. Both wings were tested with and without a fuselage. Leading edge flaps and slats, trailing edge plain flaps, split flaps, Fowler type flaps, and fillets were tried to determine their effects on these characteristics. The complete airplane was designed with the idea that it should be a tailless airplane.\r\n\t\r\nThe results showed unfavorable longitudinal static stability characteristics which could be improved but which could never be completely overcome at the stall when the wings were tested with the fuselage. A horizontal tail surface was necessary for longitudinal static stability at the stall but proved ineffective at the lower angles of attack.\r\n\r\nThe maximum lift coefficients for both wings of about 1.3 were higher than for a two dimensional double wedge airfoil section of approximately 0.8. The angles of attack at which these were reached were about twice as high as for the two dimensional section.\r\n\r\nTuft surveys showed the formation of two strong vortices from the leading edge of both wings first appearing at an angle of attack of approximately 10\u00b0. These vortices separated from the upper surface of the wing before reaching the trailing edge.\r\n\r\nComparison of results for the two wings indicated that the discontinuity of the trailing edge at the root of the sweptback wing was detrimental to the maximum lift.\r\n\r\nThere was an optimum deflection of the trailing edge split flap as a high lift device.\r\n\r\nOn the delta wing alone the plain flaps were very effective in increasing the maximum lift while the split flaps were ineffective.\r\n\r\nAilerons on the sweptback wing wore effective at all angles of attack through the stall.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-103750", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-103750", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/KFRK-AF65", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Jensen, Arnold Axtell and Koerner, Warren Gottlieb" }, { "id": "/id/eprint/600", "eprint_id": 600, "rev_number": 11, "documents": [ { "id": "/id/document/901", "doc_id": 901, "rev_number": 2, "files": [ { "id": "/id/file/5647", "fileid": 5647, "datasetid": "document", "objectid": 901, "filename": "Chuan_rl_1948.pdf", "mime_type": "application/pdf", "filesize": 13349069, "mtime": "2012-12-26 02:30:54", "url": "/600/1/Chuan_rl_1948.pdf" } ], "eprint_id": 600, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chuan_rl_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Chuan_rl_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17703" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17703" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17703" } ] } }, { "id": "/id/document/17703", "doc_id": 17703, "rev_number": 2, "files": [ { "id": "/id/file/5645", "fileid": 5645, "datasetid": "document", "objectid": 17703, "filename": "preview.png", "mime_type": "image/png", "hash": "268ef6126e7f4c5bfcd5013a5359f38c", "hash_type": "MD5", "filesize": 7912, "mtime": "2012-12-26 02:30:54", "url": "/600/2/preview.png" } ], "eprint_id": 600, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/901" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/901" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/901" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/06/00", "datestamp": "2009-02-13", "lastmod": "2023-03-22 23:02:20", "status_changed": "2009-09-25 01:41:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chuan-Raymond-Lu-Po", "name": { "family": "Chuan", "given": "Raymond Lu-Po" }, "show_email": "NO" } ] }, "title": "An Investigation of Vortex Shedding as Related to the Self-Excited Torsional Oscillation of an Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This report covers the results of the experimental investigation of the self-excited torsional oscillation of a NACA 0006 airfoil suspended elastically. The relationship between the torsional oscillation and the shedding of vortices was investigated for this airfoil.
\r\n\r\nTwo types of oscillation phenomena were found in the investigation. One type, exhibited by cases with angles of attack just above stall, persisted with increasing velocity without reaching any apparent limit within the range of velocity attainable in the present wind-tunnel. The other type, exhibited by cases with higher angles of attack, only showed self-excited oscillations in a certain range of velocity, the range decreasing with increasing angle of attack.
", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-02102009-131702", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-02102009-131702", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-02-13", "doi": "10.7907/6JQH-FS81", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" }, { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-02-10", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-02-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Chuan, Raymond Lu-Po" }, { "id": "/id/eprint/5081", "eprint_id": 5081, "rev_number": 10, "documents": [ { "id": "/id/document/8055", "doc_id": 8055, "rev_number": 2, "files": [ { "id": "/id/file/49572", "fileid": 49572, "datasetid": "document", "objectid": 8055, "filename": "Degroff_h_1948.pdf", "mime_type": "application/pdf", "filesize": 28470317, "mtime": "2012-12-26 03:14:35", "url": "/5081/1/Degroff_h_1948.pdf" } ], "eprint_id": 5081, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Degroff_h_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Degroff_h_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24560" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24560" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24560" } ] } }, { "id": "/id/document/24560", "doc_id": 24560, "rev_number": 2, "files": [ { "id": "/id/file/49570", "fileid": 49570, "datasetid": "document", "objectid": 24560, "filename": "preview.png", "mime_type": "image/png", "hash": "3e78ed6d99339a970fc342b18d1637b9", "hash_type": "MD5", "filesize": 10866, "mtime": "2012-12-26 03:14:35", "url": "/5081/2/preview.png" } ], "eprint_id": 5081, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8055" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8055" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8055" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/81", "datestamp": "2009-01-15", "lastmod": "2023-03-21 21:51:23", "status_changed": "2009-09-25 03:32:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "DeGroff-Harold-M", "name": { "family": "DeGroff", "given": "Harold M." }, "show_email": "NO" } ] }, "title": "Calculation of the Optimum Pitch Distribution of a Propeller with Sweepback", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The principal problem dealt with is the derivation of a method for computing the optimum pitch distribution of a lightly loaded, sweptback propeller. The method is based on an extension to the work of Glauert as presented in Volume IV of the Durand series. A complete calculation is carried out for a swept propeller in which the resultant velocities along the blade vary through the transonic regime. The analytical work is simplified by the use of the calculus of variations. A survey of the German literature on this topic is included along with a complete discussion of the aerodynamic parameters to be considered in making of such a design.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-151056", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-151056", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/6PJQ-Q596", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "DeGroff, Harold M." }, { "id": "/id/eprint/5079", "eprint_id": 5079, "rev_number": 10, "documents": [ { "id": "/id/document/8053", "doc_id": 8053, "rev_number": 2, "files": [ { "id": "/id/file/49557", "fileid": 49557, "datasetid": "document", "objectid": 8053, "filename": "Nelson_cn_1948.pdf", "mime_type": "application/pdf", "filesize": 44037173, "mtime": "2012-12-26 03:14:34", "url": "/5079/1/Nelson_cn_1948.pdf" } ], "eprint_id": 5079, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Nelson_cn_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Nelson_cn_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24558" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24558" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24558" } ] } }, { "id": "/id/document/24558", "doc_id": 24558, "rev_number": 2, "files": [ { "id": "/id/file/49555", "fileid": 49555, "datasetid": "document", "objectid": 24558, "filename": "preview.png", "mime_type": "image/png", "hash": "4460771765f42159c3c20b46c5f36c64", "hash_type": "MD5", "filesize": 7275, "mtime": "2012-12-26 03:14:34", "url": "/5079/2/preview.png" } ], "eprint_id": 5079, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8053" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8053" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8053" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/79", "datestamp": "2009-01-15", "lastmod": "2023-03-22 18:06:11", "status_changed": "2009-09-25 03:32:35", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Nelson-Conrad-Nathaniel", "name": { "family": "Nelson", "given": "Conrad Nathaniel" }, "show_email": "NO" } ] }, "title": "Repeated Loads Above the Proportional Limit on 24-ST Aluminum Alloy", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation was to study the effect of repeated tensile stresses above the proportional limit on 24ST aluminum alloy.\r\n\r\nThe investigation consisted in obtaining data on prepared specimens of 24ST aluminum alloy in a machine capable of applying a pure tension stress, repeated many times a minute, without shock but with a high rate of loading.\r\n\r\nIt was found that permanent deformation caused by overstressing is not a useful factor in forecasting the life expectancy of the specimen being tested.\r\n\r\nIt was also found that the effects of \"aging\" (elapsed time between overstresses), initial stresses, and magnitude of overstresses applied, all have a definite influence on the ability of 24ST aluminum alloy to withstand further overstressing. However, these effects are so scattered between different specimens of the same material that they cannot be determined accurately, either qualitatively or quantitatively, without a thorough statistical survey.\r\n\r\nIt is considered that this investigation merely points the way to a further study of the behavior of all aircraft materials above the proportional limit.\r\n\r\nThe investigation was carried out at the Daniel Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California. (referred to hereafter as GALCIT.)", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-105659", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-105659", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/V6ZX-5G92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Nelson, Conrad Nathaniel" }, { "id": "/id/eprint/4934", "eprint_id": 4934, "rev_number": 11, "documents": [ { "id": "/id/document/7842", "doc_id": 7842, "rev_number": 2, "files": [ { "id": "/id/file/48201", "fileid": 48201, "datasetid": "document", "objectid": 7842, "filename": "Buhler_rd_1948.pdf", "mime_type": "application/pdf", "filesize": 3143767, "mtime": "2012-12-26 03:13:03", "url": "/4934/1/Buhler_rd_1948.pdf" } ], "eprint_id": 4934, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Buhler_rd_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Buhler_rd_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24353" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24353" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24353" } ] } }, { "id": "/id/document/24353", "doc_id": 24353, "rev_number": 2, "files": [ { "id": "/id/file/48199", "fileid": 48199, "datasetid": "document", "objectid": 24353, "filename": "preview.png", "mime_type": "image/png", "hash": "92de2910b810e046cfe049073985514d", "hash_type": "MD5", "filesize": 7912, "mtime": "2012-12-26 03:13:03", "url": "/4934/2/preview.png" } ], "eprint_id": 4934, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7842" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7842" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7842" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/34", "datestamp": "2009-01-08", "lastmod": "2023-03-21 21:41:34", "status_changed": "2009-09-25 03:28:50", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Buhler-Rolf-Dietrich", "name": { "family": "Buhler", "given": "Rolf Dietrich" }, "show_email": "NO" } ] }, "title": "Supersonic Flow Through Cascades, with Application to Diffusers", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Supersonic flow through a two-dimensional cascade of airfoils is discussed from the point of view of one-dimensional gas dynamics. Two generalizations to compressible flow of the usual velocity vector diagrams are discussed, namely the Mach vector and the reduced velocity vector diagram. A relative mass flow parameter is found which represents the isentropic continuity equation on the two vector diagrams, so that for a set of given cascade inlet conditions all possible outlet velocities and directions appear on the diagrams.\r\n\r\nThe largest possible tangential velocity component and the largest possible change in tangential momentum in a cascade are obtained as functions of the mass flow parameter. From these the largest obtainable stagnation pressure ratio and power of any arrangement of moving and stationary cascades may easily be obtained.\r\n\r\nEquations are given for the ratios of relative stagnation temperatures, mass flows and Mach numbers in two systems of reference moving with respect to each other. Methods for tracing graphically on the vector diagrams the flow through a stage are presented.\r\n\r\nThe possibility of using cascades instead of shock waves for the transition from supersonic to subsonic flow in diffusers is pointed out. As an example a proposed single cascade supersonic diffuser is briefly analyzed by means of the reduced velocity vector diagram.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12102008-131330", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102008-131330", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-08", "doi": "10.7907/FJEG-RM29", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" } } ] }, "thesis_committee": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "chair" }, { "id": "Hollander-A", "name": { "family": "Hollander", "given": "A." }, "role": "member" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-10", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Buhler, Rolf Dietrich" }, { "id": "/id/eprint/5078", "eprint_id": 5078, "rev_number": 10, "documents": [ { "id": "/id/document/8052", "doc_id": 8052, "rev_number": 2, "files": [ { "id": "/id/file/49550", "fileid": 49550, "datasetid": "document", "objectid": 8052, "filename": "Murphy_wp_1948.pdf", "mime_type": "application/pdf", "filesize": 25552075, "mtime": "2012-12-26 03:14:34", "url": "/5078/1/Murphy_wp_1948.pdf" } ], "eprint_id": 5078, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Murphy_wp_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Murphy_wp_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24557" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24557" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24557" } ] } }, { "id": "/id/document/24557", "doc_id": 24557, "rev_number": 2, "files": [ { "id": "/id/file/49548", "fileid": 49548, "datasetid": "document", "objectid": 24557, "filename": "preview.png", "mime_type": "image/png", "hash": "9972b9fed24834413ce95e8c7703a589", "hash_type": "MD5", "filesize": 11008, "mtime": "2012-12-26 03:14:34", "url": "/5078/2/preview.png" } ], "eprint_id": 5078, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8052" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8052" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8052" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/78", "datestamp": "2009-01-15", "lastmod": "2023-03-22 18:02:41", "status_changed": "2009-09-25 03:32:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Murphy-Walter-Patrick", "name": { "family": "Murphy", "given": "Walter Patrick" }, "show_email": "NO" } ] }, "title": "Performance Calculations of Rocket Tripropellant Systems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation is to determine the effect on the temperatures and the performance parameters of the addition of (1), liquid hydrogen, and (2), liquid ammonia to three bipropellant systems currently of interest. These bipropellant systems are: nitrogen tetroxide-hydrazine, hydrogen peroxide-hydrazine, and RFNA-hydrazine.\r\n\r\nFor each of the six tripropeliant systems investigated the chamber temperature, exhaust temperature, and all the important parameters were calculated. These calculations for each system were carried out for both equilibrium flow and constant composition flow assumptions. All the results are listed in tables and the more important parameters are presented in graphical form as well.\r\n\r\nOne hydrogen containing system and one ammonia containing system are discussed in detail. General results for all systems include the fact that the largest proportionate decreases are observed in the variation of the exhaust and chamber temperatures whereas the specific impulse shows slight increases or proportionate decreases of much smaller magnitude than the proportionate decreases in temperatures.\r\n\r\nSeveral new parameters are introduced in an effort to make possible the prediction of performances of a tripropellant system if the chamber temperature variation is known. These parameters may also be used in an indirect manner to illustrate the relative merit of liquid hydrogen and liquid ammonia as coolants in tripropellant systems.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-104643", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-104643", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/ER6J-8M16", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Murphy, Walter Patrick" }, { "id": "/id/eprint/5021", "eprint_id": 5021, "rev_number": 10, "documents": [ { "id": "/id/document/7943", "doc_id": 7943, "rev_number": 2, "files": [ { "id": "/id/file/48905", "fileid": 48905, "datasetid": "document", "objectid": 7943, "filename": "Pritchard_ei_1948.pdf", "mime_type": "application/pdf", "filesize": 2575445, "mtime": "2012-12-26 03:13:48", "url": "/5021/1/Pritchard_ei_1948.pdf" } ], "eprint_id": 5021, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Pritchard_ei_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Pritchard_ei_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24453" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24453" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24453" } ] } }, { "id": "/id/document/24453", "doc_id": 24453, "rev_number": 2, "files": [ { "id": "/id/file/48903", "fileid": 48903, "datasetid": "document", "objectid": 24453, "filename": "preview.png", "mime_type": "image/png", "hash": "8f4e6d91919672781dde51e412695253", "hash_type": "MD5", "filesize": 12053, "mtime": "2012-12-26 03:13:48", "url": "/5021/2/preview.png" } ], "eprint_id": 5021, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7943" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7943" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7943" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/21", "datestamp": "2009-01-14", "lastmod": "2023-03-22 18:08:43", "status_changed": "2009-09-25 03:30:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Pritchard-Ernest-I", "name": { "family": "Pritchard", "given": "Ernest I." }, "show_email": "NO" } ] }, "title": "Upwash and Sidewash Induced by Certain Control Surfaces in a Supersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Dr. Lagerstrom's development of the conical flow theory to apply to upwash and sidewash problems (see reference 1) has been applied to the case of a deflected roll control surface. The upwash behind, and in the plane of, the deflected control surface at 0, 1, 4, and 9 chord lengths behind the wing is calculated. The whole upwash-sidewaeh field, an infinite distance downstream of the control surface, (in the Trefftz plane), is also calculated. It is shown that a rolling moment is induced on any aerodynamic surface - vertical, horizontal, or oblique - that lies in the wake of the deflected control surface. This induced rolling moment is in the reverse direction of that prescribed by the deflection of the roll control surface. One simple case is cited where the magnitude of the induced rolling moment is larger than that produced directly by the roll control surface, thus causing a reversal of the roll direction. An induced yawing moment may also be encountered if a vertical aerodynamic surface, not symmetrical with respect to the plane of the wing, is present in the wake of the deflected control surface.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-092628", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-092628", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/HK5H-NH60", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Pritchard, Ernest I." }, { "id": "/id/eprint/5011", "eprint_id": 5011, "rev_number": 9, "documents": [ { "id": "/id/document/7933", "doc_id": 7933, "rev_number": 2, "files": [ { "id": "/id/file/48833", "fileid": 48833, "datasetid": "document", "objectid": 7933, "filename": "Wheldon_wg_1948.pdf", "mime_type": "application/pdf", "filesize": 4684836, "mtime": "2012-12-26 03:13:43", "url": "/5011/1/Wheldon_wg_1948.pdf" } ], "eprint_id": 5011, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wheldon_wg_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Wheldon_wg_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24443" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24443" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24443" } ] } }, { "id": "/id/document/24443", "doc_id": 24443, "rev_number": 2, "files": [ { "id": "/id/file/48831", "fileid": 48831, "datasetid": "document", "objectid": 24443, "filename": "preview.png", "mime_type": "image/png", "hash": "7f624456b3b063fc7db951bc261a937b", "hash_type": "MD5", "filesize": 10670, "mtime": "2012-12-26 03:13:43", "url": "/5011/2/preview.png" } ], "eprint_id": 5011, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7933" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7933" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7933" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/11", "datestamp": "2009-01-13", "lastmod": "2023-03-22 22:22:50", "status_changed": "2009-09-25 03:30:44", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wheldon-Wilbert-Gayton", "name": { "family": "Wheldon", "given": "Wilbert Gayton" }, "show_email": "NO" } ] }, "title": "Method for Estimating Downwash Behind Swept Airfoils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A theoretical investigation has been made relative to the adaptation of the simple Prandtl wing theory to wings with highly swept lifting lines for purposes of computing downwash. Equations have been developed relating the characteristic geometry of this type of wing to the associated vortex pattern and the Biot-Savart Equation has been integrated in such a way as to most facilitate engineering calculations. The assumption is made that the distribution of circulation about the wing has been predetermined by one of the recently developed span-loading theories.\r\n\r\nThe general method of approach as has been used by Silverstein, Katzoff and Bullivant in Reference (1) is used herein. The primary deviation from the procedure outlined by these authors is the extension of computational methods from the two dimensional plane-of-symmetry analysis to three dimensions. Though it is not always stated implicitly, some of their devices are employed unchanged and others are altered to fit different conditions.\r\n\r\nCalculations have been made (see Appendix A) for a wing for which experimental data on downwash are available. The comparison between theory and experiment is found to be relatively good. Charts and tabular forms have been presented which are expected to be of use to designers interested in tail loads on swept-winged aircraft whose landings and take-offs take place at high angles of attack.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12152008-143236", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12152008-143236", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-13", "doi": "10.7907/67D0-3C95", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-15", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Wheldon, Wilbert Gayton" }, { "id": "/id/eprint/5028", "eprint_id": 5028, "rev_number": 11, "documents": [ { "id": "/id/document/7950", "doc_id": 7950, "rev_number": 2, "files": [ { "id": "/id/file/48955", "fileid": 48955, "datasetid": "document", "objectid": 7950, "filename": "Seager_db_1948.pdf", "mime_type": "application/pdf", "filesize": 17968269, "mtime": "2012-12-26 03:13:51", "url": "/5028/1/Seager_db_1948.pdf" } ], "eprint_id": 5028, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Seager_db_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Seager_db_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24460" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24460" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24460" } ] } }, { "id": "/id/document/24460", "doc_id": 24460, "rev_number": 2, "files": [ { "id": "/id/file/48953", "fileid": 48953, "datasetid": "document", "objectid": 24460, "filename": "preview.png", "mime_type": "image/png", "hash": "5ab7fd96d96f20f5a9dff55dd52bea81", "hash_type": "MD5", "filesize": 6869, "mtime": "2012-12-26 03:13:50", "url": "/5028/2/preview.png" } ], "eprint_id": 5028, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7950" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7950" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7950" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/28", "datestamp": "2009-01-14", "lastmod": "2023-03-22 18:23:08", "status_changed": "2009-09-25 03:30:58", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Seager-Donald-Barstow", "name": { "family": "Seager", "given": "Donald Barstow" }, "show_email": "NO" } ] }, "title": "Operational Flight Testing", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Operational data are those which are used in routine flights to indicate the weight of payload and fuel that can safely be carried. Therefore, operational data consist of information on take-off, climb, cruise, descent, and landing.\r\n\r\nAirplanes which make the most use of this type of information at present are long range, propeller driven transports and bombers; the material presented on the following pages is specifically for use with this general type of aircraft.\r\n\r\nMethods of reducing take-off tests, climb tests, and of obtaining high speed cruise control are presented in the body of the thesis.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-153900", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-153900", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/21B0-X909", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-05-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Seager, Donald Barstow" }, { "id": "/id/eprint/5010", "eprint_id": 5010, "rev_number": 10, "documents": [ { "id": "/id/document/7932", "doc_id": 7932, "rev_number": 2, "files": [ { "id": "/id/file/48826", "fileid": 48826, "datasetid": "document", "objectid": 7932, "filename": "Sims_we_1948.pdf", "mime_type": "application/pdf", "filesize": 26088102, "mtime": "2012-12-26 03:13:43", "url": "/5010/1/Sims_we_1948.pdf" } ], "eprint_id": 5010, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Sims_we_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Sims_we_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24442" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24442" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24442" } ] } }, { "id": "/id/document/24442", "doc_id": 24442, "rev_number": 2, "files": [ { "id": "/id/file/48824", "fileid": 48824, "datasetid": "document", "objectid": 24442, "filename": "preview.png", "mime_type": "image/png", "hash": "ca298c7246b259b63f416dbd48ab7615", "hash_type": "MD5", "filesize": 10750, "mtime": "2012-12-26 03:13:43", "url": "/5010/2/preview.png" } ], "eprint_id": 5010, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7932" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7932" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7932" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/10", "datestamp": "2009-01-13", "lastmod": "2023-03-22 18:35:54", "status_changed": "2009-09-25 03:30:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sims-William-Edward", "name": { "family": "Sims", "given": "William Edward" }, "show_email": "NO" } ] }, "title": "Performance Calculations of Rocket Tripropellant Systems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This investigation was conducted to determine the effect on performance and temperatures of the addition of either liquid hydrogen or liquid ammonia to three bipropellant systems of current interest. These bipropellant systems are nitrogen tetroxide-hydrazine, hydrogen peroxide-hydrazine, and RFNA-hiydrazine.\r\n\r\nFor each tripropellant system all important parameters and chamber and exhaust temperatures are determined for equilibrium flow conditions and constant composition flow conditions. All the results are listed in tables and the effects on several of the more important parameters are illustrated graphically.\r\n\r\nThe results show that theoretically the effect of the addition of the third component is desirable by causing reduction in temperature and increase in performance.\r\n\r\nNew parameters are introduced for utilization in predicting performances of tripropellant systems once the chamber temperature has been calculated or estimated.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12152008-110059", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12152008-110059", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-13", "doi": "10.7907/QT2H-WD21", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-15", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-01-13", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Sims, William Edward" }, { "id": "/id/eprint/5027", "eprint_id": 5027, "rev_number": 9, "documents": [ { "id": "/id/document/7949", "doc_id": 7949, "rev_number": 2, "files": [ { "id": "/id/file/48947", "fileid": 48947, "datasetid": "document", "objectid": 7949, "filename": "Magnus_rj_1948.pdf", "mime_type": "application/pdf", "filesize": 11433644, "mtime": "2012-12-26 03:13:50", "url": "/5027/1/Magnus_rj_1948.pdf" } ], "eprint_id": 5027, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Magnus_rj_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Magnus_rj_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24459" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24459" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24459" } ] } }, { "id": "/id/document/24459", "doc_id": 24459, "rev_number": 2, "files": [ { "id": "/id/file/48945", "fileid": 48945, "datasetid": "document", "objectid": 24459, "filename": "preview.png", "mime_type": "image/png", "hash": "14c3ff170f13d67cf84cd36e520253fc", "hash_type": "MD5", "filesize": 7488, "mtime": "2012-12-26 03:13:50", "url": "/5027/2/preview.png" } ], "eprint_id": 5027, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7949" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7949" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7949" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/27", "datestamp": "2009-01-14", "lastmod": "2023-03-21 23:58:33", "status_changed": "2009-09-25 03:30:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Magnus-Richard-Jeffrey", "name": { "family": "Magnus", "given": "Richard Jeffrey" }, "show_email": "NO" } ] }, "title": "Study of Vortex Shedding as Related to Torsional Oscillations of a Thin Airfoil", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This report covers an experimental investigation of the relationship between the vortex shedding frequency and self excited torsional oscillation frequency for a thin airfoil. The work consisted of measurements of velocity fluctuations in the airstream in the vicinity of a wing model mounted in a wind tunnel so that it could oscillate about the wing axis. The velocity fluctuation measurements were made with the Wing restrained and with the wing oscillating at various angles of attack and wind velocities.\r\n\r\nTwo distinct types of oscillations were found. One type was self sustaining and increased in amplitude with increasing wind velocity while the other type stopped for velocities beyond some critical value.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-142937", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-142937", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/NAKT-DG24", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Magnus, Richard Jeffrey" }, { "id": "/id/eprint/6436", "eprint_id": 6436, "rev_number": 16, "documents": [ { "id": "/id/document/12709", "doc_id": 12709, "rev_number": 4, "files": [ { "id": "/id/file/83934", "fileid": 83934, "datasetid": "document", "objectid": 12709, "filename": "Srinivasan_n_1947.pdf", "mime_type": "application/pdf", "filesize": 28742523, "mtime": "2012-12-26 04:36:21", "url": "/6436/1/Srinivasan_n_1947.pdf" } ], "eprint_id": 6436, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Srinivasan_n_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27525" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27525" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27525" } ] } }, { "id": "/id/document/12711", "doc_id": 12711, "rev_number": 3, "files": [ { "id": "/id/file/207045", "fileid": 207045, "datasetid": "document", "objectid": 12711, "filename": "Srinivasan_n_1947.zip", "mime_type": "application/zip", "filesize": 116620670, "mtime": "2016-08-22 21:22:31", "url": "/6436/2/Srinivasan_n_1947.zip" } ], "eprint_id": 6436, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Srinivasan_n_1947.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27525", "doc_id": 27525, "rev_number": 2, "files": [ { "id": "/id/file/83932", "fileid": 83932, "datasetid": "document", "objectid": 27525, "filename": "preview.png", "mime_type": "image/png", "hash": "5f482ec4911d496ebb94440eed3cac49", "hash_type": "MD5", "filesize": 8425, "mtime": "2012-12-26 04:36:21", "url": "/6436/3/preview.png" } ], "eprint_id": 6436, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12709" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/12709" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12709" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/64/36", "datestamp": "2011-06-17 16:39:33", "lastmod": "2023-03-22 22:08:09", "status_changed": "2011-06-17 16:39:33", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Srinivasan-Natesan", "name": { "family": "Srinivasan", "given": "Natesan" }, "show_email": "NO" } ] }, "title": "Higher Order Approximations for Transonic Flow Over Slender Bodies", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "No abstract.", "date": "1948", "date_type": "degree", "id_number": "CaltechTHESIS:05252011-132758648", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:05252011-132758648", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-06-17 16:39:33", "doi": "10.7907/8HMA-7V02", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Srinivasan, Natesan" }, { "id": "/id/eprint/5136", "eprint_id": 5136, "rev_number": 12, "documents": [ { "id": "/id/document/8136", "doc_id": 8136, "rev_number": 2, "files": [ { "id": "/id/file/50099", "fileid": 50099, "datasetid": "document", "objectid": 8136, "filename": "Slater_mo_1948.pdf", "mime_type": "application/pdf", "filesize": 47250566, "mtime": "2012-12-26 03:15:12", "url": "/5136/1/Slater_mo_1948.pdf" } ], "eprint_id": 5136, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Slater_mo_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Slater_mo_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24641" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24641" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24641" } ] } }, { "id": "/id/document/24641", "doc_id": 24641, "rev_number": 2, "files": [ { "id": "/id/file/50097", "fileid": 50097, "datasetid": "document", "objectid": 24641, "filename": "preview.png", "mime_type": "image/png", "hash": "cb06dd7c6b6b777865c8cd198250b6df", "hash_type": "MD5", "filesize": 7418, "mtime": "2012-12-26 03:15:12", "url": "/5136/2/preview.png" } ], "eprint_id": 5136, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8136" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8136" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8136" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/36", "datestamp": "2009-01-15", "lastmod": "2023-03-22 19:35:06", "status_changed": "2009-09-25 03:34:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Slater-Mervin-Otis", "name": { "family": "Slater", "given": "Mervin Otis" }, "show_email": "NO" } ] }, "title": "Calculation of Enthalpy-Entropy Diagrams for Rocket Propellant Systems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this thesis is to present a method and the fundamental data necessary to construct enthalpy-entropy diagrams and from these diagrams to calculate theoretical performance of rocket motor propellants. The systems investigated using this method are:\r\n\r\n(1) RFNA-Ammonia (1)\r\n(2) Ammonia (1)-Ozone (1)\r\n(3) Hydrogen (1) Ozone (1)\r\n\r\nEnthalpy-entropy diagrams for these fuels were constructed for several different mixture ratios: over oxidized, stoichiometric, and under-oxidized. Performance was calculated assuming chamber pressures of 600 psia and 300 psia and exhaust pressures of 14.7 psia, 7.35 psia, and 0.147 psia. These diagrams facilitate the investigation of the effect of varying chamber pressure on chamber temperature and performance. They also facilitate investigation of varying expansion ratio, varying mixtures ratios, etc. They are especially useful in determining the performance of step rockets where exhaust conditions may vary from sea level to vacuum.\r\n\r\nThe results of the performance calculations indicate that performance found by using enthalpy-entropy diagrams checks closely with those determined by other methods. The performance of the last two systems is such as to indicate that a more thorough study of them should be made.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12242008-124334", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12242008-124334", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/J89N-WK27", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-24", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Slater, Mervin Otis" }, { "id": "/id/eprint/5132", "eprint_id": 5132, "rev_number": 11, "documents": [ { "id": "/id/document/8132", "doc_id": 8132, "rev_number": 2, "files": [ { "id": "/id/file/50069", "fileid": 50069, "datasetid": "document", "objectid": 8132, "filename": "Altseimer_jh_1948.pdf", "mime_type": "application/pdf", "filesize": 57058219, "mtime": "2012-12-26 03:15:10", "url": "/5132/1/Altseimer_jh_1948.pdf" } ], "eprint_id": 5132, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Altseimer_jh_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Altseimer_jh_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24637" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24637" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24637" } ] } }, { "id": "/id/document/24637", "doc_id": 24637, "rev_number": 2, "files": [ { "id": "/id/file/50067", "fileid": 50067, "datasetid": "document", "objectid": 24637, "filename": "preview.png", "mime_type": "image/png", "hash": "3afea901d3ff80c5992823887110f7a3", "hash_type": "MD5", "filesize": 4933, "mtime": "2012-12-26 03:15:10", "url": "/5132/2/preview.png" } ], "eprint_id": 5132, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8132" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8132" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8132" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/32", "datestamp": "2009-01-15", "lastmod": "2023-03-21 21:26:59", "status_changed": "2009-09-25 03:33:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Altseimer-John-H", "name": { "family": "Altseimer", "given": "John H." }, "show_email": "NO" } ] }, "title": "An Experimental Investigation of Detached Shock Waves", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Using the Galcit 2 1/2 inch Supersonic Tunnel equipment, surface pressure measurements were taken on cylindrical models with cone-shaped noses. The total included angle of the cones was 75\u00b0. The Mach number range covered was from 1.41 to 1.99 which for 75\u00b0 cones covers most of the range from detached to attached shock waves. Stagnation pressure measurements were also taken by means of blunt cylindrical models.
\r\n\r\nSchlieren pictures were taken of the 75\u00b0 cones and blunt models throughout the velocity range. Additional pictures of shock waves 45\u00b0, 60\u00b0, and 90\u00b0 cones at some of the velocities used were also obtained. From the Schlieren pictures the traces of the shock waves were obtained and plotted on graph paper. Shock wave angles vs. distance from the model centerlines are also presented as well as the distribution of \"M[subscript 2]\", the Mach number directly behind the wave.
\r\n\r\nAppendix #1 shows \"Blocking\" data for the 2 1/2 inch GALCIT Tunnel.
\r\n\r\nHand adjusted flexible nozzle walls were used for most of the work. Satisfactory flow through the tunnel was obtained with these nozzle blocks. However, design improvements are possible and Appendix #2 recapitulates the problems encountered and offers suggestions for future use.
", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12232008-153257", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12232008-153257", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/W6SF-EG14", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-23", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Altseimer, John H." }, { "id": "/id/eprint/5075", "eprint_id": 5075, "rev_number": 9, "documents": [ { "id": "/id/document/8048", "doc_id": 8048, "rev_number": 2, "files": [ { "id": "/id/file/49526", "fileid": 49526, "datasetid": "document", "objectid": 8048, "filename": "Imster_hf_1948.pdf", "mime_type": "application/pdf", "filesize": 9113488, "mtime": "2012-12-26 03:14:32", "url": "/5075/1/Imster_hf_1948.pdf" } ], "eprint_id": 5075, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Imster_hf_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Imster_hf_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24554" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24554" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24554" } ] } }, { "id": "/id/document/24554", "doc_id": 24554, "rev_number": 2, "files": [ { "id": "/id/file/49524", "fileid": 49524, "datasetid": "document", "objectid": 24554, "filename": "preview.png", "mime_type": "image/png", "hash": "c86eb0b52bffea2ca3a99d8dd371c9ee", "hash_type": "MD5", "filesize": 7421, "mtime": "2012-12-26 03:14:32", "url": "/5075/2/preview.png" } ], "eprint_id": 5075, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8048" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8048" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8048" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/75", "datestamp": "2009-01-14", "lastmod": "2023-03-21 22:57:01", "status_changed": "2009-09-25 03:32:21", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Imster-Harry-Frederick", "name": { "family": "Imster", "given": "Harry Frederick" }, "show_email": "NO" }, { "id": "Lesko-James-Steven", "name": { "family": "Lesko", "given": "James Steven" }, "show_email": "NO" } ] }, "title": "Axially Symmetric Laminar Compressible Boundary Layers with Pressure Gradient", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Previous work on the subject of laminar compressible boundary layers has considered the flat plate without a pressure gradient (Karmen, Emmons and Brainerd), the flat plate with a pressure gradient (Illingworth), and the cone without pressure gradient (Hantzsche and Wendt). It is the purpose of this investigation to determine the effect of pressure gradient on the boundary layer thickness and skin friction for a figure of revolution in compressible flow.\r\n\r\nThe basic momentum, continuity, and energy equations of viscous, compressible flow are reduced to an approximate form in the neighborhood of the surface of a figure of revolution by the usual boundary layer assumptions and the particular assumptions that no heat is transferred between the figure of revolution and the fluid and that the Prandtl number is equal to unity. An integral relation is then developed for the approximate equations and is subsequently reduced to a differential equation in which the boundary layer thickness is the dependent variable. In addition to considering the case of compressible flow with a pressure gradient, three other cases are examined in order to aid in the interpretation of the results. These are: compressible flow with no pressure gradient, and incompressible flow with and without pressure gradient. The equations are then applied to a figure of revolution over which pressure distributions have been experimentally determined at two Mach numbers and two Reynolds numbers. The resulting boundary layer thickness distributions are then used to determine the skin friction drag for the various cases.\r\n\r\nThe effects of boundary layer velocity profile relation on skin friction drag coefficient are considered in some detail.\r\n\r\nThe results of the investigation indicate that the usual practice of applying flat plate laminar skin friction drag coefficients (either compressible or incompressible) to figures of revolution in supersonic flow may be unconservative by a considerable margin. It is also shown that resulting drag values are considerably dependent on the boundary conditions used to obtain the boundary layer velocity profile.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-074849", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-074849", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/HFMY-CY49", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Imster, Harry Frederick and Lesko, James Steven" }, { "id": "/id/eprint/4885", "eprint_id": 4885, "rev_number": 13, "documents": [ { "id": "/id/document/7782", "doc_id": 7782, "rev_number": 2, "files": [ { "id": "/id/file/47801", "fileid": 47801, "datasetid": "document", "objectid": 7782, "filename": "Amster_w_1948.pdf", "mime_type": "application/pdf", "filesize": 21862006, "mtime": "2012-12-26 03:12:38", "url": "/4885/1/Amster_w_1948.pdf" } ], "eprint_id": 4885, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Amster_w_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Amster_w_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24293" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24293" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24293" } ] } }, { "id": "/id/document/24293", "doc_id": 24293, "rev_number": 2, "files": [ { "id": "/id/file/47799", "fileid": 47799, "datasetid": "document", "objectid": 24293, "filename": "preview.png", "mime_type": "image/png", "hash": "920818fc82af5a9d07971246abe9b0c8", "hash_type": "MD5", "filesize": 10565, "mtime": "2012-12-26 03:12:38", "url": "/4885/2/preview.png" } ], "eprint_id": 4885, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7782" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7782" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7782" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/85", "datestamp": "2008-12-24", "lastmod": "2023-03-21 21:37:24", "status_changed": "2009-09-25 03:27:47", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Amster-Warren", "name": { "family": "Amster", "given": "Warren" }, "show_email": "NO" } ] }, "title": "An Investigation into the Effects of Running Propellers on the Static Longitudinal Stability of Multi-Engine Tractor-Propeller-Driven Monoplanes", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This thesis has three main purposes:\r\n\r\n1. To establish an engineering computation procedure for predicting C[subscript M]( c. g.) as a function of C[subscript L] and power conditions for a multi-engine monoplane of conventional configuration with tractor propellers mounted on and forward of the wing from a given curve of C[subscript M] as a function of C[subscript L] for the power-off condition.\r\n\r\n2. To recommend aircraft configurations which will minimize destabilizing effect of power.\r\n\r\n3. To provide a physical explanation of the effect of power on stability.\r\n\r\nCalculated C[subscript M] vs. C[subscript L] curves are compared with \"matched-power\" wind tunnel model test results. The agreement is good for all-right-hand rotation of propellers but unsatisfactory for other rotation modes.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-141518", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-141518", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/VMA6-2G04", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Amster, Warren" }, { "id": "/id/eprint/5129", "eprint_id": 5129, "rev_number": 10, "documents": [ { "id": "/id/document/8121", "doc_id": 8121, "rev_number": 2, "files": [ { "id": "/id/file/50015", "fileid": 50015, "datasetid": "document", "objectid": 8121, "filename": "Davis_tv_1948.pdf", "mime_type": "application/pdf", "filesize": 14148447, "mtime": "2012-12-26 03:15:05", "url": "/5129/1/Davis_tv_1948.pdf" } ], "eprint_id": 5129, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Davis_tv_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Davis_tv_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24626" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24626" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24626" } ] } }, { "id": "/id/document/24626", "doc_id": 24626, "rev_number": 2, "files": [ { "id": "/id/file/50013", "fileid": 50013, "datasetid": "document", "objectid": 24626, "filename": "preview.png", "mime_type": "image/png", "hash": "441b5ed0e806321cb6548ec783490ec3", "hash_type": "MD5", "filesize": 5207, "mtime": "2012-12-26 03:15:05", "url": "/5129/2/preview.png" } ], "eprint_id": 5129, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8121" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8121" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8121" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/29", "datestamp": "2009-01-15", "lastmod": "2023-03-22 23:13:32", "status_changed": "2009-09-25 03:33:49", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Davis-Thomas-V", "name": { "family": "Davis", "given": "Thomas V." }, "show_email": "NO" } ] }, "title": "Design of a Large Water Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A ten-foot-diameter water tunnel is discussed as to feasibility and design, and consideration is narrowed to the working section -- nozzle, throat and diffuser. A non-cavitating nozzle shape is calculated by systematizing the method suggested by Hue-Shen Tsien.\r\n\r\nStructural design is approached on the basis of a six-hundred-foot static pressure head; and an additional half- full design loading is calculated as a Fourier expansion. The analysis of the structure is broken down into a number of elasticity problems.\r\n\r\nThe cylindrical throat is analyzed by membrane theory for the high-head condition; and stresses at and in the supporting rings are thoroughly investigated. More involved methods considering transverse shear and bending are used to check the stability of the shell when only partially full.\r\n\r\nMembrane theory is applied to the conical diffuser and to the double-curved nozzle to determine the stress state in both under the high-head condition. Shell thicknesses and member sizes have been selected throughout from this analysis.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12222008-143224", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12222008-143224", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/H8HZ-D718", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-22", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Davis, Thomas V." }, { "id": "/id/eprint/5077", "eprint_id": 5077, "rev_number": 13, "documents": [ { "id": "/id/document/8050", "doc_id": 8050, "rev_number": 2, "files": [ { "id": "/id/file/204510", "fileid": 204510, "datasetid": "document", "objectid": 8050, "filename": "Miller_h_1948.pdf", "mime_type": "application/pdf", "filesize": 39148413, "mtime": "2016-08-22 21:17:45", "url": "/5077/1/Miller_h_1948.pdf" } ], "eprint_id": 5077, "pos": 1, "format": "application/pdf", "format_desc": "Miller_h_1948.pdf", "language": "en", "security": "internal", "license": "other", "main": "Miller_h_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/73142" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/73142" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/73142" } ] } }, { "id": "/id/document/8051", "doc_id": 8051, "rev_number": 3, "files": [ { "id": "/id/file/49543", "fileid": 49543, "datasetid": "document", "objectid": 8051, "filename": "Miller_h_1948_replacement.pdf", "mime_type": "application/pdf", "filesize": 44286898, "mtime": "2012-12-26 03:14:34", "url": "/5077/2/Miller_h_1948_replacement.pdf" } ], "eprint_id": 5077, "pos": 2, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Miller_h_1948_replacement.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "updated", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24556" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24556" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24556" } ] } }, { "id": "/id/document/24556", "doc_id": 24556, "rev_number": 2, "files": [ { "id": "/id/file/49541", "fileid": 49541, "datasetid": "document", "objectid": 24556, "filename": "preview.png", "mime_type": "image/png", "hash": "e8e9f4353375b1e64bcc15bc8ddd0555", "hash_type": "MD5", "filesize": 8022, "mtime": "2012-12-26 03:14:33", "url": "/5077/3/preview.png" } ], "eprint_id": 5077, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8051" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8051" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8051" } ] } }, { "id": "/id/document/73142", "doc_id": 73142, "rev_number": 2, "files": [ { "id": "/id/file/204509", "fileid": 204509, "datasetid": "document", "objectid": 73142, "filename": "preview.png", "mime_type": "image/png", "hash": "b964b3bcf95d6312162775bc0ceb03b8", "hash_type": "MD5", "filesize": 7998, "mtime": "2016-08-22 21:17:45", "url": "/5077/4/preview.png" } ], "eprint_id": 5077, "pos": 4, "placement": 4, "format": "image/png", "language": "en", "security": "internal", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8050" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8050" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8050" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/77", "datestamp": "2009-01-15", "lastmod": "2023-03-22 17:46:52", "status_changed": "2009-09-25 03:32:27", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Miller-Herman", "name": { "family": "Miller", "given": "Herman" }, "show_email": "NO" } ] }, "title": "Investigation of Errors Obtained with Reflection-Plane Mounted Models Due to End Plate Tares", "ispublished": "unpub", "full_text_status": "public", "keywords": "reflection-plane mounted models", "abstract": "Because of the great interest in and emphasis on high-speed wind-tunnel tests, it has become increasingly important to provide a support system which affects the tunnel flow and the flow over the model as little as possible. One type of support which is being used a great deal at the present time is the so-called reflection-plane mount. This mount derives its name from the fact that the model consists of only half of the prototype wing or airplane, mounted on its plane of symmetry. Ordinarily the model is mounted next to one of the tunnel walls, but many variations of mounting have been used. A circular end plate may or may not be mounted as a metrical portion of the installation.\r\n\r\nThe purpose of the tests, described in this report, was to determine the interference effects of the tunnel wall or end plate on the model, the interference effects of the model on the end plate, and the true forces acting on the model and end plate. It was also desired to determine the forces acting on the portion of the model in the boundary layer and to determine the effects of gaps between the wing and end plate and between the end plate and tunnel wall.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-104129", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-104129", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/V2HD-F021", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Miller, Herman" }, { "id": "/id/eprint/1932", "eprint_id": 1932, "rev_number": 10, "documents": [ { "id": "/id/document/3365", "doc_id": 3365, "rev_number": 2, "files": [ { "id": "/id/file/19946", "fileid": 19946, "datasetid": "document", "objectid": 3365, "filename": "Williams__ml_1948.pdf", "mime_type": "application/pdf", "filesize": 1338700, "mtime": "2012-12-26 02:44:29", "url": "/1932/1/Williams__ml_1948.pdf" } ], "eprint_id": 1932, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Williams__ml_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Williams__ml_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/20040" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/20040" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/20040" } ] } }, { "id": "/id/document/20040", "doc_id": 20040, "rev_number": 2, "files": [ { "id": "/id/file/19944", "fileid": 19944, "datasetid": "document", "objectid": 20040, "filename": "preview.png", "mime_type": "image/png", "hash": "dcd0decb74c8687965aacf99094474cb", "hash_type": "MD5", "filesize": 10306, "mtime": "2012-12-26 02:44:29", "url": "/1932/2/preview.png" } ], "eprint_id": 1932, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/3365" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/3365" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/3365" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/19/32", "datestamp": "2003-05-23", "lastmod": "2023-03-22 22:30:34", "status_changed": "2009-09-25 02:20:31", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Williams-Max-L", "name": { "family": "Williams", "given": "Max L." }, "show_email": "NO" } ] }, "title": "Maximum Stress in a Cylindrical Bar of Double Wedge Cross Section Under Torsion", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "A comparison of an exact calculation of maximum stress in a cylindrical rod under torsion is compared to the usual engineering approximation which takes the maximum stress as that existing on the boundary of the largest circle inscribed in the given cross section. A numerical example for a symmetrical thin double wedge cross section is calculated and essential agreement in stress magnitude found, although there was an eight degree difference in the location of the point of maximum stress.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-05222003-090841", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-05222003-090841", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-05-23", "doi": "10.7907/52Z6-WX56", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-05-22", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2003-05-23", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Williams, Max L." }, { "id": "/id/eprint/6381", "eprint_id": 6381, "rev_number": 18, "documents": [ { "id": "/id/document/12559", "doc_id": 12559, "rev_number": 4, "files": [ { "id": "/id/file/82359", "fileid": 82359, "datasetid": "document", "objectid": 12559, "filename": "Smith_je_1948.pdf", "mime_type": "application/pdf", "filesize": 21790743, "mtime": "2012-12-26 04:35:14", "url": "/6381/1/Smith_je_1948.pdf" } ], "eprint_id": 6381, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Smith_je_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27427" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27427" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27427" } ] } }, { "id": "/id/document/12560", "doc_id": 12560, "rev_number": 3, "files": [ { "id": "/id/file/206823", "fileid": 206823, "datasetid": "document", "objectid": 12560, "filename": "Smith_je_1948.zip", "mime_type": "application/zip", "filesize": 175244242, "mtime": "2016-08-22 21:22:09", "url": "/6381/2/Smith_je_1948.zip" } ], "eprint_id": 6381, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Smith_je_1948.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27427", "doc_id": 27427, "rev_number": 2, "files": [ { "id": "/id/file/82357", "fileid": 82357, "datasetid": "document", "objectid": 27427, "filename": "preview.png", "mime_type": "image/png", "hash": "a4e39fe69130435add1ae5c7241db6b9", "hash_type": "MD5", "filesize": 9589, "mtime": "2012-12-26 04:35:14", "url": "/6381/3/preview.png" } ], "eprint_id": 6381, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12559" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/12559" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12559" } ] } }, { "id": "/id/document/126638", "doc_id": 126638, "rev_number": 1, "files": [ { "id": "/id/file/372072", "fileid": 372072, "datasetid": "document", "objectid": 126638, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "d9fabe8d2967c3a0bef65beee115d882", "hash_type": "MD5", "filesize": 28706, "mtime": "2021-06-24 01:01:08", "url": "/6381/4/indexcodes.txt" } ], "eprint_id": 6381, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12559" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12559" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/12559" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/63/81", "datestamp": "2011-05-20 22:39:23", "lastmod": "2023-03-24 23:34:28", "status_changed": "2011-05-20 22:39:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Smith-Josiah-E", "name": { "family": "Smith", "given": "Josiah E." }, "show_email": "NO" } ] }, "title": "Investigations of the Aerodynamic Interactions Between Wind Tunnel Models and their Support Systems at the GALCIT Ten Foot Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This work is divided into two parts. Part I describes the GALCIT image system tare procedure as it is used at the present time, the techniques of operation, and the assumptions used. The tare procedure is an experimental method for obtaining the aerodynamic interference forces and moments produced on a wind tunnel model by the supporting structure which holds it fixed in the windstream. The present technique has been in use at GALCIT for over five years, during which time many small inconstancies kept recurring, indicating the need for refinement of the procedures. Part II is a report on the first phase of the investigations planned for the attack on these problems.\r\n\r\nIn Part II are given the measurements of the interactions on a simple, rectangular wing, and of the air loads on the suspension system without a model present. An attempt is made to give a physical picture of the rather elaborate flow patterns around the windshields, and of what happens to the aerodynamic characteristics of a wing when it is immersed in such a flow field. Some of the inadequacies of the present techniques are isolated and their magnitudes determined. A first try is made at measuring the tares for a yawed wing, with encouraging results. The need for further experimental work is clearly indicated, as well as for a theoretical study of the flow patterns in the tunnel throat.\r\n", "date": "1948", "date_type": "degree", "id_number": "CaltechTHESIS:05112011-092002748", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:05112011-092002748", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-05-20 22:39:23", "doi": "10.7907/P2JE-8W83", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1948-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Smith, Josiah E." }, { "id": "/id/eprint/5023", "eprint_id": 5023, "rev_number": 9, "documents": [ { "id": "/id/document/7945", "doc_id": 7945, "rev_number": 2, "files": [ { "id": "/id/file/48919", "fileid": 48919, "datasetid": "document", "objectid": 7945, "filename": "Gasich_we_1948.pdf", "mime_type": "application/pdf", "filesize": 4229475, "mtime": "2012-12-26 03:13:48", "url": "/5023/1/Gasich_we_1948.pdf" } ], "eprint_id": 5023, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Gasich_we_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Gasich_we_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24455" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24455" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24455" } ] } }, { "id": "/id/document/24455", "doc_id": 24455, "rev_number": 2, "files": [ { "id": "/id/file/48917", "fileid": 48917, "datasetid": "document", "objectid": 24455, "filename": "preview.png", "mime_type": "image/png", "hash": "676e77a4f20bc6934c29713f57c7a96a", "hash_type": "MD5", "filesize": 8393, "mtime": "2012-12-26 03:13:48", "url": "/5023/2/preview.png" } ], "eprint_id": 5023, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7945" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7945" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7945" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/23", "datestamp": "2009-01-14", "lastmod": "2023-03-21 22:26:20", "status_changed": "2009-09-25 03:30:54", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gasich-Welko-Elton", "name": { "family": "Gasich", "given": "Welko Elton" }, "show_email": "NO" } ] }, "title": "Downwash Distribution Behind a Wing with an Angle of Attack Discontinuity at Supersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Investigation of the downwash field behind a wing with an angle of attack discontinuity at supersonic speeds by use of linearized conical flow theory has shown the downwash to be of finite magnitude at all points in and behind the plane of the wing. The downwash at more than five chord lengths behind the wing was found to asymptotically approach the value of downwash calculated in the Trefftz plane. Behind the wing and within the span that is determined by the intersection of the Mach cones from the leading edge with the trailing edge, an unexplicable action of the downwash was found to exist. It was found that at the trailing edge the downwash was a 100 percent of that on the wing surface. At two chord lengths, the downwash was 83 percent. Upon moving aft, it was found that the downwash increased in magnitude and that at 10 chord lengths, it asymptotically approached the value at the Trefftz plane, namely 100 percent again.
\r\n\r\nBy considering an idealized missile configuration, it was found that roll reversal was possible. The possibility of reversal was found to be almost entirely dependent upon the location of the control lifting surfaces with respect to one another.
\r\n\r\nA brief reference to the sidewash field was made, since the values of sidewash were a natural outgrowth of the solution of the downwash field in the Trefftz plane. An elementary consideration of the sidewash field also showed a contribution to an induced rolling moment that tends to produce roll reversal.
", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-133842", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-133842", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/GGC8-CN80", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Gasich, Welko Elton" }, { "id": "/id/eprint/5024", "eprint_id": 5024, "rev_number": 9, "documents": [ { "id": "/id/document/7946", "doc_id": 7946, "rev_number": 2, "files": [ { "id": "/id/file/48926", "fileid": 48926, "datasetid": "document", "objectid": 7946, "filename": "Lampert_s_1948.pdf", "mime_type": "application/pdf", "filesize": 1017729, "mtime": "2012-12-26 03:13:49", "url": "/5024/1/Lampert_s_1948.pdf" } ], "eprint_id": 5024, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lampert_s_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Lampert_s_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24456" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24456" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24456" } ] } }, { "id": "/id/document/24456", "doc_id": 24456, "rev_number": 2, "files": [ { "id": "/id/file/48924", "fileid": 48924, "datasetid": "document", "objectid": 24456, "filename": "preview.png", "mime_type": "image/png", "hash": "e272a6977f81c2b8c5c76d9efd02e204", "hash_type": "MD5", "filesize": 8481, "mtime": "2012-12-26 03:13:49", "url": "/5024/2/preview.png" } ], "eprint_id": 5024, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7946" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7946" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7946" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/24", "datestamp": "2009-01-14", "lastmod": "2023-03-21 23:15:13", "status_changed": "2009-09-25 03:30:54", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lampert-Seymour", "name": { "family": "Lampert", "given": "Seymour" }, "show_email": "NO" } ] }, "title": "Rolling Moment Due to Yaw of Flat Wings of Trapezoidal Planform at Supersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nThe purpose of this thesis is to determine the effect of yaw on the rolling moment characteristics of rectangular and trapezoidal planforms of zero thickness. The method used is that of applying the superposition of solutions of linearized conical flow to the problem of the yawed wing. The solutions particularly applicable are those where W = [...] is symmetrical with respect to the plane of the wing, i.e., (lifting case). For the wings considered in this report it was necessary to determine uniquely W = W(b,[...], t) in the following regions: 1) subsonic leading edge, 2) subsonic trailing edge, 3) infinitely swept wing, 4) supersonic leading edges. The rolling moment and lift coefficients were calculated and the effect of varying the angle of side edge and yew angle of the wing in respect to these parameters can be computed. The rolling moment coefficient for a rectangular wing of different aspect ratios was computed and it was found that the variation of rolling moment with angle of yaw [...] increases almost linearly to a maximum and then falls off. There is also an increase in [...] with increasing aspect ratio.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-140210", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-140210", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/HDT1-PR91", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Lampert, Seymour" }, { "id": "/id/eprint/5022", "eprint_id": 5022, "rev_number": 12, "documents": [ { "id": "/id/document/7944", "doc_id": 7944, "rev_number": 2, "files": [ { "id": "/id/file/48912", "fileid": 48912, "datasetid": "document", "objectid": 7944, "filename": "Rao_cvj_1948.pdf", "mime_type": "application/pdf", "filesize": 28115981, "mtime": "2012-12-26 03:13:48", "url": "/5022/1/Rao_cvj_1948.pdf" } ], "eprint_id": 5022, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Rao_cvj_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Rao_cvj_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24454" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24454" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24454" } ] } }, { "id": "/id/document/24454", "doc_id": 24454, "rev_number": 2, "files": [ { "id": "/id/file/48910", "fileid": 48910, "datasetid": "document", "objectid": 24454, "filename": "preview.png", "mime_type": "image/png", "hash": "cdf33f09a7bb7a8c3c969d9ac9ed9766", "hash_type": "MD5", "filesize": 9349, "mtime": "2012-12-26 03:13:48", "url": "/5022/2/preview.png" } ], "eprint_id": 5022, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7944" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7944" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7944" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/22", "datestamp": "2009-01-14", "lastmod": "2023-03-22 18:21:05", "status_changed": "2009-09-25 03:30:51", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Joga-Rao-Chintakindi-Venkata", "name": { "family": "Joga Rao", "given": "Chintakindi Venkata" }, "show_email": "NO" } ] }, "title": "Repeated Loads Above the Proportional Limit on 24st Aluminum Alloy", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "The purpose of this investigation is to study the effects of repeated tensile stresses above the proportional limit on 24ST Aluminum Alloy.\r\n\r\nThe investigation consisted of three parts:\r\n\r\n1. An investigation of the effects of the application of repeated tensile stress above the proportional limit for 500 cycles followed by a higher repeated tensile stress up to 5,000 cycles.\r\n\r\n2. An investigation of the effects of changing the number of cycles of pre-stress.\r\n\r\n3. An Investigation of the effects of aging.\r\n\r\nIt was found that permanent deformation caused by over-stress is not a useful factor in forecasting life expectancy.\r\n\r\nIt was also found that the effects of aging, initial cold work, and magnitude of overstresses applied all have definite influence on the ability of 24ST Aluminum Alloy to withstand further overstressing and require considerably more thorough investigation.\r\n\r\nIt is considered that this field offers attractive possibilities for further study of the behavior of aircraft materials with the objective of increased accuracy in airplane design.\r\n\r\nThe investigation was carried out in collaboration with Conrad N. Nelson, Captain, U. S. Air Force at the Daniel Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-133111", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-133111", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/V8T5-YS83", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Joga Rao, Chintakindi Venkata" }, { "id": "/id/eprint/362", "eprint_id": 362, "rev_number": 11, "documents": [ { "id": "/id/document/535", "doc_id": 535, "rev_number": 2, "files": [ { "id": "/id/file/3416", "fileid": 3416, "datasetid": "document", "objectid": 535, "filename": "White_rs_1948.pdf", "mime_type": "application/pdf", "filesize": 14106523, "mtime": "2012-12-26 02:29:10", "url": "/362/1/White_rs_1948.pdf" } ], "eprint_id": 362, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "White_rs_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "White_rs_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17361" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17361" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17361" } ] } }, { "id": "/id/document/17361", "doc_id": 17361, "rev_number": 2, "files": [ { "id": "/id/file/3414", "fileid": 3414, "datasetid": "document", "objectid": 17361, "filename": "preview.png", "mime_type": "image/png", "hash": "d8195520a4e23438742af0e902e41ad6", "hash_type": "MD5", "filesize": 9950, "mtime": "2012-12-26 02:29:10", "url": "/362/2/preview.png" } ], "eprint_id": 362, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/535" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/535" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/535" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/62", "datestamp": "2009-01-26", "lastmod": "2023-03-25 00:02:55", "status_changed": "2009-09-25 01:35:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "White-Richard-Street", "name": { "family": "White", "given": "Richard Street" }, "show_email": "NO" } ] }, "title": "Calculation of Enthalpy-Entropy Diagrams for Rocket Propellant Systems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "It is the purpose of this thesis to calculate the data required to construct enthalpy-entropy diagrams for propellant systems and to investigate their usefulness when applied to the determination of rocket motor performance parameters.\r\n\r\nDiagrams which cover a range of mixture ratios bracketing the stoichiometric value are included for the following systems:\r\n\r\n(1) Liquid Ammonia and RFNA;\r\n(2) Liquid Ammonia and Liquid Ozone;\r\n(3) Liquid Hydrogen and Liquid Ozone.\r\n\t\r\nGraphical performance parameter values obtained for the stoichiometric mixture of liquid ammonia and RFNA differed less than two tenths of one percent from the analytical values calculated by the Jet Propulsion Laboratory.\r\n\r\nPerformance values are determined for chamber pressures of 600 PSIA and 300 PSIA and for exhaust pressures of 14.7 PSIA, 7.65 PSIA, and .147 PSIA.\r\n\r\nBecause of the extensive calculations required to construct an h-s diagram, the graphical method of analysis is not economical unless a comprehensive study of a propellant is desired. However, if performance values are required over a wide range of boundary conditions, the h-s diagram permits the presentation of a large amount of data in a concise and readily useable form.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-01262009-141906", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01262009-141906", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/PGDK-YH67", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-26", "thesis_defense_date": "1948-06-01", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "White, Richard Street" }, { "id": "/id/eprint/8657", "eprint_id": 8657, "rev_number": 20, "documents": [ { "id": "/id/document/51891", "doc_id": 51891, "rev_number": 2, "files": [ { "id": "/id/file/150404", "fileid": 150404, "datasetid": "document", "objectid": 51891, "filename": "Marschner_bw_1948.pdf", "mime_type": "application/pdf", "hash": "4ad75840191e3b45616caa045ff3a5a2", "hash_type": "MD5", "filesize": 20927601, "mtime": "2014-09-15 16:02:59", "url": "/8657/1/Marschner_bw_1948.pdf" } ], "eprint_id": 8657, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Marschner_bw_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { 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374779, "datasetid": "document", "objectid": 129343, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "6bae8965f85939350f64f3ba6a85a61c", "hash_type": "MD5", "filesize": 7268, "mtime": "2021-06-24 03:44:14", "url": "/8657/7/indexcodes.txt" } ], "eprint_id": 8657, "pos": 7, "placement": 7, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/51891" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/51891" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/51891" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/86/57", "datestamp": "2014-09-15 19:25:53", "lastmod": "2023-03-22 00:05:31", "status_changed": "2014-09-15 19:25:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Marschner-Bernard-Walter", "name": { "family": "Marschner", "given": "Bernard Walter" }, "show_email": "NO" } ] }, "title": "An Investigation of Detached Shock Waves", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "This investigation demonstrates an application of a\r\nflexible wall nozzle for testing in a supersonic wind tunnel.\r\nIt is conservative to say that the versatility of this nozzle\r\nis such that it warrants the expenditure of time to carefully\r\nengineer a nozzle and incorporate it in the wind tunnel as a\r\npermanent part of the system. The gradients in the test section\r\nwere kept within one percent of the calibrated Mach number, however, \r\nthe gradients occurring over the bodies tested were only\r\n\u00b1 0.2 percent in Mach number.
\r\n\r\nThe conditions existing on a finite cone with a vertex\r\nangle of 75\u00b0 were investigated by considering the pressure distribution\r\non the cone and the shape of the shock wave. The\r\npressure distribution on the surface of the 75\u00b0 cone when based\r\non upstream conditions does not show any discontinuities at the\r\ntheoretical attachment Mach number.
\r\n\r\nBoth the angle of the shock wave and the pressure distribution\r\nof the 75\u00b0 cone are in very close agreement with the theoretical\r\nvalues given in the Kopal report, (Ref. 3).
\r\n\r\nThe location of the intersection of the sonic line with\r\nthe surface of the cone and with the shock wave are given for the\r\ncone. The blocking characteristics of the GALCIT supersonic\r\nwind tunnel were investigated with a series of 60\u00b0 cones.
", "date": "1948", "date_type": "degree", "id_number": "CaltechTHESIS:09152014-090058146", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09152014-090058146", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2014-09-15 19:25:53", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" }, { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "co-advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1948-01-01", "review_status": "review", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Marschner, Bernard Walter" }, { "id": "/id/eprint/5025", "eprint_id": 5025, "rev_number": 10, "documents": [ { "id": "/id/document/7947", "doc_id": 7947, "rev_number": 2, "files": [ { "id": "/id/file/48933", "fileid": 48933, "datasetid": "document", "objectid": 7947, "filename": "Wunch_ws_1948.pdf", "mime_type": "application/pdf", "filesize": 4985103, "mtime": "2012-12-26 03:13:49", "url": "/5025/1/Wunch_ws_1948.pdf" } ], "eprint_id": 5025, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Wunch_ws_1948.pdf", "language": "en", "security": "public", "license": "other", "main": "Wunch_ws_1948.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24457" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24457" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24457" } ] } }, { "id": "/id/document/24457", "doc_id": 24457, "rev_number": 2, "files": [ { "id": "/id/file/48931", "fileid": 48931, "datasetid": "document", "objectid": 24457, "filename": "preview.png", "mime_type": "image/png", "hash": "a62c5fa2da68ae2bfdfd956dd6ce3f4b", "hash_type": "MD5", "filesize": 8764, "mtime": "2012-12-26 03:13:49", "url": "/5025/2/preview.png" } ], "eprint_id": 5025, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7947" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7947" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7947" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/25", "datestamp": "2009-01-14", "lastmod": "2023-03-22 22:37:45", "status_changed": "2009-09-25 03:30:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Wunch-William-Stuart", "name": { "family": "Wunch", "given": "William Stuart" }, "show_email": "NO" } ] }, "title": "Studies of the Double-Wedge and Biconvex Airfoils in Hypersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautics", "abstract": "Through the development of the high altitude rocket interest has turned to the investigation of aerodynamic problems beyond the supersonic regime. This domain of speed has been termed hypersonic, meaning high Mach number flight in a homogeneous medium whose molecules describe negligible mean free paths with respect to a chosen characteristic dimension. The thesis presented given an extension of two-dimensional supersonic airfoil theory to attack the problem of getting aerodynamic coefficients for the double-wedge and biconvex airfoils.\r\n\r\nThe shock wave equations along with those for Prandtl-Meyer flow have been modified by making approximations based on the hypersonic Mach numbers. These equations have been used to treat the following three cases:\r\n\r\n(A) The Mach angle is much less than the deflection angle.\r\n\r\n(B) The Mach angle is much greater than the deflection angle.\r\n\r\n(C) The Mach angle is of the same order of magnitude as the deflection angle.\r\n\r\nA brief discussion is made of the assumptions involved in the development of each of these flows to show that they do not violate basic principles. The hypersonic approximations already mentioned are then applied to these equations. In case (A) formulas are derived giving a quick approximation to the lift, drag, and moment coefficients. In case (B) formulas are found to be similar to those already obtained by the small perturbation method for supersonic flow. The results of case (C) show that a singular investigation must be made of each airfoil. The results of each of these cases are presented in the section titled \"Applications to the Double-wedge and Biconvex Airfoils.\" Results for symmetrical double-wedge airfoils, whose maximum thicknesses are 10 per cent of the chord and are located at 25, 50, and 75 per cent of the chord, are plotted in the appendix.", "date": "1948", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-141322", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-141322", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/BSMQ-5177", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1948-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1948", "author_list": "Wunch, William Stuart" }, { "id": "/id/eprint/4879", "eprint_id": 4879, "rev_number": 13, "documents": [ { "id": "/id/document/7768", "doc_id": 7768, "rev_number": 2, "files": [ { "id": "/id/file/47747", "fileid": 47747, "datasetid": "document", "objectid": 7768, "filename": "Sanders_lb_1947.pdf", "mime_type": "application/pdf", "filesize": 2749735, "mtime": "2012-12-26 03:12:35", "url": "/4879/1/Sanders_lb_1947.pdf" } ], "eprint_id": 4879, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Sanders_lb_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Sanders_lb_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24287" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24287" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24287" } ] } }, { "id": "/id/document/24287", "doc_id": 24287, "rev_number": 2, "files": [ { "id": "/id/file/47745", "fileid": 47745, "datasetid": "document", "objectid": 24287, "filename": "preview.png", "mime_type": "image/png", "hash": "cfd382a78cc0bbc9ba9745b68231d019", "hash_type": "MD5", "filesize": 8665, "mtime": "2012-12-26 03:12:35", "url": "/4879/2/preview.png" } ], "eprint_id": 4879, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7768" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7768" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7768" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/79", "datestamp": "2008-12-24", "lastmod": "2023-03-17 22:20:10", "status_changed": "2009-09-25 03:27:40", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sanders-Lewis-B", "name": { "family": "Sanders", "given": "Lewis B." }, "show_email": "NO" } ] }, "title": "An Investigation of Inspection Criteria for Countersunk Rivets", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "An investigation was made of the existing flush rivet inspection criteria and inspection methods to establish a norm for commercial flush riveted joints. Studies were made of thirty-four flush riveted joint load deformation curves to obtain their general characteristics and to establish some correlation of yield load as defined in ANC-5 and as defined in Report on Flush Riveted Joint Strength by ARC Rivet and Screw Allowables Subcommittee (Airworthiness Project 12). The specimens corresponding to the load deformation curves were comprised of 18 machine countersunk joints, 12 double dimple joints and four sub-countersunk joints. Within each type of joints the specimen varied in series of sheet material and thickness, rivet material and rivet size.\r\n\r\nIt is shown that yield load, defined as load giving four percent of rivet diameter joint set, is dependent on d/t ratios, the yield load lowering at increasing d/t values. Also, there are indications that as softer rivet material is used with a given sheet material, the increasing d/t ratios have less adverse effects.\r\n\r\nThere could be made no particular correlation of yield load as defined by load at .005\" set with any of the varying parameters.\r\n\r\nIn the case of the double dimple and sub-countersunk joints, no particular conclusions could be reached as the test data was confined to a small range of d/t values.\r\n\r\nIt was concluded from the countersunk rivet data that permanent set based on rivet diameter is a more reasonable yield criterion than permanent set based on an arbitrary constant.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-091447", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-091447", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/X2ZV-8G18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Martel-R-R", "name": { "family": "Martel", "given": "Romeo Raoul" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Sanders, Lewis B." }, { "id": "/id/eprint/4909", "eprint_id": 4909, "rev_number": 9, "documents": [ { "id": "/id/document/7817", "doc_id": 7817, "rev_number": 2, "files": [ { "id": "/id/file/48023", "fileid": 48023, "datasetid": "document", "objectid": 7817, "filename": "Tangren_rf_1947.pdf", "mime_type": "application/pdf", "filesize": 763954, "mtime": "2012-12-26 03:12:52", "url": "/4909/1/Tangren_rf_1947.pdf" } ], "eprint_id": 4909, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Tangren_rf_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Tangren_rf_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24328" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24328" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24328" } ] } }, { "id": "/id/document/24328", "doc_id": 24328, "rev_number": 2, "files": [ { "id": "/id/file/48021", "fileid": 48021, "datasetid": "document", "objectid": 24328, "filename": "preview.png", "mime_type": "image/png", "hash": "fedbe1645aae363fbc78ad464a03f83b", "hash_type": "MD5", "filesize": 7469, "mtime": "2012-12-26 03:12:52", "url": "/4909/2/preview.png" } ], "eprint_id": 4909, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7817" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7817" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7817" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/09", "datestamp": "2008-12-24", "lastmod": "2023-03-17 23:03:27", "status_changed": "2009-09-25 03:28:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Tangren-Robert-Fulton", "name": { "family": "Tangren", "given": "Robert Fulton" }, "show_email": "NO" } ] }, "title": "Correction of Ramjet Experimental Data", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Heat energy can be converted into mechanical energy only by the expansion of a high temperature high pressure gas to a lower pressure thus changing the random energy, temperature, into a directed energy associated with a velocity. One of the simplest methods of achieving the necessary pressure for this expansion is by utilizing the high velocity of the airstream relative to a rapidly moving aircraft. The momentum of this airstream is converted into pressure by deceleration in a diffuser. The air is then heated and ejected as a high speed jet, producing thrust, hence the name given to this system is ramjet. Other names have also been proposed such as athodyd, which is a contraction of aero-thermodynamic duct.
\r\n\r\nThe purpose of this study is to derive a simple ramjet theory and to use this theory in setting up dimensionless parameters and methods of analysing experimental data. No attempt is made to devise experimental techniques but only to give a method by which the experimental data may be correlated.
\r\n\r\nIt is found that the performance of a ramjet at any altitude can be reduced to an equivalent sea level condition by the application of suitable correction factors. These factors are derived on the basis of constant flight Mach number, constant ramjet geometrical arrangement, and constant throttle setting. This latter parameter is most accurately described by the ratio of the combustion chamber temperature to the free air temperature. It is recommended that ramjet test data be corrected to this standard sea level condition for ease of correlation and analysis.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12092008-082257", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092008-082257", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/291V-BB68", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-09", "thesis_defense_date": "1947-06-01", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Tangren, Robert Fulton" }, { "id": "/id/eprint/9324", "eprint_id": 9324, "rev_number": 18, "documents": [ { "id": "/id/document/62423", "doc_id": 62423, "rev_number": 2, "files": [ { "id": "/id/file/174896", "fileid": 174896, "datasetid": "document", "objectid": 62423, "filename": "Rice_he_1947.pdf", "mime_type": "application/pdf", "hash": "cb400ae2535a9d427ae1f08ec933fb2b", "hash_type": "MD5", "filesize": 26652552, "mtime": "2015-12-14 23:04:51", "url": "/9324/1/Rice_he_1947.pdf" } ], "eprint_id": 9324, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Rice_he_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": 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"userid": 87, "dir": "disk0/00/00/93/24", "datestamp": "2015-12-14 23:30:29", "lastmod": "2023-03-17 22:11:54", "status_changed": "2015-12-14 23:30:29", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Rice-Harold-Egbert", "name": { "family": "Rice", "given": "Harold Egbert" } } ] }, "title": "Performance Calculations of New Propellant Systems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The purpose of this thesis is to investigate the effect on performance\r\nand chamber temperature of adding hydrogen to a propellant system. The systems\r\ninvestigated are:
\r\n\r\n(1) RFNA-Aniline
\r\n(2) Nitromethane
\r\n(3) Anhydrous hydrazene-liquid oxygen
\r\n\r\nSince a systematic investigation of the performance parameters of the\r\nRFNA-Aniline system over a wide range of mixture ratios has never been made,\r\nit was decided to make these calculations, in addition to the investigations\r\nstated above.
\r\n\r\nThe results of the calculations can best be summarized by a study of the\r\nfigures at the end of the thesis. A few generalizations can be made. The\r\neffect of adding hydrogen in small quantities to a high temperature system\r\nis to increase the performance considerably without too much change in the\r\nchamber temperature. As more hydrogen is added, the percentage increase in performance.\r\nIf hydrogen is added in large quantities, both the performance curve\r\n(effective exhaust velocity) and the chamber temperature curve flatten out.
\r\n\r\nThe behavior discussed above is characteristic of hot propellant systems\r\nsuch as RFNA-Aniline and anhydrous hydrazene. In a low temperature system,\r\nsuch as nitromethane, the effect is quite different. The addition\r\nof hydrogen in small quantities causes a rapid decrease in chamber temperature,\r\nbut the increase in performance is considerably less on a percentage basis.\r\nAs more hydrogen is added the changes in performance and chamber temperature\r\nare almost linear.
\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechTHESIS:12142015-150152042", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:12142015-150152042", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2015-12-14 23:30:29", "doi": "10.7907/VJT1-6602", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Altman-D", "name": { "family": "Altman", "given": "David" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1947-06-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Rice, Harold Egbert" }, { "id": "/id/eprint/4910", "eprint_id": 4910, "rev_number": 11, "documents": [ { "id": "/id/document/7818", "doc_id": 7818, "rev_number": 2, "files": [ { "id": "/id/file/48030", "fileid": 48030, "datasetid": "document", "objectid": 7818, "filename": "Fossier_m_1947.pdf", "mime_type": "application/pdf", "filesize": 44900496, "mtime": "2012-12-26 03:12:53", "url": "/4910/1/Fossier_m_1947.pdf" } ], "eprint_id": 4910, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Fossier_m_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Fossier_m_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24329" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24329" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24329" } ] } }, { "id": "/id/document/24329", "doc_id": 24329, "rev_number": 2, "files": [ { "id": "/id/file/48028", "fileid": 48028, "datasetid": "document", "objectid": 24329, "filename": "preview.png", "mime_type": "image/png", "hash": "e9da05532abb992f852112fa27a87c91", "hash_type": "MD5", "filesize": 8874, "mtime": "2012-12-26 03:12:52", "url": "/4910/2/preview.png" } ], "eprint_id": 4910, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7818" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7818" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7818" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/10", "datestamp": "2009-01-07", "lastmod": "2023-03-16 20:03:38", "status_changed": "2009-09-25 03:28:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fossier-Mike-Walter", "name": { "family": "Fossier", "given": "Mike Walter" }, "show_email": "NO" }, { "id": "Small-John", "name": { "family": "Small", "given": "John" }, "show_email": "NO" } ] }, "title": "Supersonic Wind Tunnel Tests of Two Rocket Propelled Projectile Models", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Two models of rocket propelled projectiles have been tested in the Galcit 2 1/2 inch supersonic wind tunnel at a Mach Number of 3.06, and angles of attack from 0\u00b0 to 10\u00b0. Variations of lift, drag, pitching moment, and position of center pressure with angle of attack have been obtained for each model.\r\n\r\nA strain gage balance system, which was designed to measure the forces acting on the models was found to be entirely satisfactory for this purpose.\r\n\r\nThe results were found to agree very closely with the small perturbation theory for supersonic flow.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12092008-082853", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092008-082853", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-07", "doi": "10.7907/71EK-W641", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-09", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2009-01-07", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Fossier, Mike Walter and Small, John" }, { "id": "/id/eprint/4914", "eprint_id": 4914, "rev_number": 12, "documents": [ { "id": "/id/document/7822", "doc_id": 7822, "rev_number": 2, "files": [ { "id": "/id/file/48058", "fileid": 48058, "datasetid": "document", "objectid": 7822, "filename": "Dore_f_1947.pdf", "mime_type": "application/pdf", "filesize": 63809619, "mtime": "2012-12-26 03:12:54", "url": "/4914/1/Dore_f_1947.pdf" } ], "eprint_id": 4914, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dore_f_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Dore_f_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24333" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24333" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24333" } ] } }, { "id": "/id/document/24333", "doc_id": 24333, "rev_number": 2, "files": [ { "id": "/id/file/48056", "fileid": 48056, "datasetid": "document", "objectid": 24333, "filename": "preview.png", "mime_type": "image/png", "hash": "60e9ef7578f5cdc545262a0b6225cef9", "hash_type": "MD5", "filesize": 3016, "mtime": "2012-12-26 03:12:54", "url": "/4914/2/preview.png" } ], "eprint_id": 4914, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7822" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7822" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7822" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/14", "datestamp": "2009-01-08", "lastmod": "2023-03-16 19:56:02", "status_changed": "2009-09-25 03:28:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dore-Frank-John", "name": { "family": "Dore", "given": "Frank John" }, "show_email": "NO" } ] }, "title": "The Design of Tailless Airplanes", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This paper reviews the various sources of information pertaining to the design of tailless airplanes. The particular topic of any report or memorandum is illustrated by its application to the problems encountered in the design of a given airplane. The subjects mentioned are the determination of the sweepback angle, aspect ratio, taper ratio, twist, dihedral, airfoil section, spanwise loading, and aerodynamic center of the wing; the control elements; and the fuselage and fillet for high speed aircraft.
\r\n\r\nTo illustrate the application of the source material the design of a tailless supersonic airplane is considered. The slow speed wind tunnel tests of the 1/12-scale model are included in the report.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12092008-152833", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12092008-152833", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-08", "doi": "10.7907/0RZ6-EV10", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-09", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2009-01-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Dore, Frank John" }, { "id": "/id/eprint/4933", "eprint_id": 4933, "rev_number": 11, "documents": [ { "id": "/id/document/7841", "doc_id": 7841, "rev_number": 2, "files": [ { "id": "/id/file/48194", "fileid": 48194, "datasetid": "document", "objectid": 7841, "filename": "Reisere_rl_1947.pdf", "mime_type": "application/pdf", "filesize": 89405659, "mtime": "2012-12-26 03:13:03", "url": "/4933/1/Reisere_rl_1947.pdf" } ], "eprint_id": 4933, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Reisere_rl_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Reisere_rl_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24352" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24352" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24352" } ] } }, { "id": "/id/document/24352", "doc_id": 24352, "rev_number": 2, "files": [ { "id": "/id/file/48192", "fileid": 48192, "datasetid": "document", "objectid": 24352, "filename": "preview.png", "mime_type": "image/png", "hash": "a57152205d16ac763a588adf1bcd7bc3", "hash_type": "MD5", "filesize": 8127, "mtime": "2012-12-26 03:13:02", "url": "/4933/2/preview.png" } ], "eprint_id": 4933, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7841" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7841" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7841" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/33", "datestamp": "2009-01-08", "lastmod": "2023-03-16 22:16:09", "status_changed": "2009-09-25 03:28:44", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Reiserer-Russell-Lawrence", "name": { "family": "Reiserer", "given": "Russell Lawrence" }, "show_email": "NO" }, { "id": "Barden-Kenneth-Perrin", "name": { "family": "Barden", "given": "Kenneth Perrin" }, "show_email": "NO" } ] }, "title": "Design and Test of a Rocket Motor Expansion Joint", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The purpose of this investigation was to carry on the work of investigating stresses encountered in the design of rocket motor expansion joints. The previous work was done on a semicircular expansion joint by Commander N. J. Kleiss, U.S.N., and Lt. Comdr. S. W. Kerkering, U.S.N. in a thesis submitted to the Aeronautics Department of the California Institute of Technology.\r\n\r\nInformation was desired to make possible a more favorable design. The problem consists of continuing the investigation on a different design, thereby determining a trend for future designs.\r\n\r\nThe design chosen was a semicircular ring shell with reversed curvatures of the edges. It was felt that this configuration would eliminate most of the bending stresses found present at the weld of the semicircular design, and would make possible a more even distribution of stresses throughout the expansion joint.\r\n\r\nBecause the stresses encountered were so far beyond the elastic limit of the material, even for small total elongations of the expansion joint, no theoretical solutions of the problem were possible.\r\n\r\nAn analysis of the curves and data shows the joint to be unsatisfactory, particularly from the viewpoint of withstanding the internal pressure. Since the previous work indicated that the internal pressure was not critical for the semicircular design, it seems that a compromise of the two designs would more satisfactorily meet the requirements of withstanding both the elongation and the internal pressure.\r\n\r\nAn alternate design has been indicated which will make possible a trend of designs that should lead to a solution.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12102008-090658", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102008-090658", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-08", "doi": "10.7907/CM3Y-6453", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-10", "thesis_approved_date": "2009-01-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Reiserer, Russell Lawrence and Barden, Kenneth Perrin" }, { "id": "/id/eprint/4935", "eprint_id": 4935, "rev_number": 10, "documents": [ { "id": "/id/document/7843", "doc_id": 7843, "rev_number": 2, "files": [ { "id": "/id/file/48208", "fileid": 48208, "datasetid": "document", "objectid": 7843, "filename": "Satterfield_lm_1947.pdf", "mime_type": "application/pdf", "filesize": 8391954, "mtime": "2012-12-26 03:13:03", "url": "/4935/1/Satterfield_lm_1947.pdf" } ], "eprint_id": 4935, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Satterfield_lm_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Satterfield_lm_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24354" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24354" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24354" } ] } }, { "id": "/id/document/24354", "doc_id": 24354, "rev_number": 2, "files": [ { "id": "/id/file/48206", "fileid": 48206, "datasetid": "document", "objectid": 24354, "filename": "preview.png", "mime_type": "image/png", "hash": "3702f0f915fd3feebe76fac620ad6aaf", "hash_type": "MD5", "filesize": 9121, "mtime": "2012-12-26 03:13:03", "url": "/4935/2/preview.png" } ], "eprint_id": 4935, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7843" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7843" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7843" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/35", "datestamp": "2009-01-08", "lastmod": "2023-03-16 22:19:12", "status_changed": "2009-09-25 03:28:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Satterfield-Loys-Malcolm", "name": { "family": "Satterfield", "given": "Loys Malcolm" }, "show_email": "NO" }, { "id": "Wheatley-John-Paul", "name": { "family": "Wheatley", "given": "John Paul" }, "show_email": "NO" } ] }, "title": "Theoretical Investigation of Acceleration of a Turbojet Engine", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The failure of turbojet aircraft propulsion units to accelerate rapidly to high thrust operation when emergencies arise in slow speed flight has restricted their use in aircraft applications, and has also concentrated considerable attention upon their acceleration characteristics in an effort to produce better results. This thesis presents a method of computing the acceleration of a particular turbojet by making use of complete performance curves of the component parts of the turbojet.\r\n\r\nThe method presented here does not permit computation of the acceleration for a particular operating condition as determined by those variables usually considered independent; namely, (1) Flight conditions of velocity, density, pressure, and temperature, (2) Engine rotor speed (3) Fuel rate of flow, and (4) Tail cone area ratio. Computation using these four independent variables was originally attempted in preparation of this thesis. However, extreme complication in the computations dictated that turbine inlet temperature and air mass rate of flow, which are normally dependent variables, should be considered independent. Fuel rate of flow and tail cone area ratio are therefore considered dependent. Therefore, in order to match a particular operating condition it is necessary to make a family of computations for various turbine inlet temperatures (constant for each set) over a range of assumed air mass flows.\r\n\r\nComputations have been performed for the Westinghouse X19B axial flow turbojet to illustrate application of the method and to show qualitative and quantitative effects of variation of tail area ratio, at two different turbine inlet temperatures.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12102008-140328", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102008-140328", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-08", "doi": "10.7907/N3NM-X518", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-10", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2009-01-08", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Satterfield, Loys Malcolm and Wheatley, John Paul" }, { "id": "/id/eprint/4936", "eprint_id": 4936, "rev_number": 12, "documents": [ { "id": "/id/document/7844", "doc_id": 7844, "rev_number": 2, "files": [ { "id": "/id/file/48216", "fileid": 48216, "datasetid": "document", "objectid": 7844, "filename": "Trilling_l_1947.pdf", "mime_type": "application/pdf", "filesize": 23348507, "mtime": "2012-12-26 03:13:04", "url": "/4936/1/Trilling_l_1947.pdf" } ], "eprint_id": 4936, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Trilling_l_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Trilling_l_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24355" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24355" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24355" } ] } }, { "id": "/id/document/24355", "doc_id": 24355, "rev_number": 2, "files": [ { "id": "/id/file/48214", "fileid": 48214, "datasetid": "document", "objectid": 24355, "filename": "preview.png", "mime_type": "image/png", "hash": "c4a180b4c8fa60bc9940217cceeeec62", "hash_type": "MD5", "filesize": 9163, "mtime": "2012-12-26 03:13:04", "url": "/4936/2/preview.png" } ], "eprint_id": 4936, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7844" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7844" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7844" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/36", "datestamp": "2009-01-12", "lastmod": "2023-03-16 22:28:52", "status_changed": "2009-09-25 03:28:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Trilling-Leon", "name": { "family": "Trilling", "given": "Leon" }, "show_email": "NO" } ] }, "title": "A Problem in Potential Flow with a Free Surface", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present paper concerns itself with the determination of impact pressure and force which act on a body when it hits a horizontal fluid surface at any angle at a high speed.\r\n\r\nIt is assumed that only the hydrodynamic force has any effect and also, that the impact is so short that the effect of the fluid splash is negligible. Under those conditions, it is possible to linearize the boundary condition of the flow and to divide the force and velocity vectors into vertical and horizontal components. The problem in the vertical direction then becomes identical with that of the motion of a body submerged in an infinite fluid, and is easily solved for bodies of simple shape. The problem in the horizontal direction resolves itself into a problem of potential flow with a symmetric discontinuity along the free surface, so that the free surface may be replaced by a symmetric configuration with velocity components opposite and equal to those in the actual fluid.\r\n\r\nUnder those conditions, two simple two-dimensional configurations are studied; an infinite elliptic semi-cylinder and an infinite flat plate. The analysis is carried out in terms of conformal transformations. Three simple three-dimensional problems are also solved: that of a sphere, an ellipsoid of revolution and a general ellipsoid. The method here is that of three dimensional harmonic analysis.\r\n\r\nIn conclusion, a specific example is given: the drag components on a sphere which hits the surface at 45\u00b0 are calculated; the results are compared to experimental data and show fair agreement with them.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12102008-144858", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12102008-144858", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-12", "doi": "10.7907/CA87-ZG47", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-10", "thesis_defense_date": "1947-05-01", "thesis_approved_date": "2009-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Trilling, Leon" }, { "id": "/id/eprint/5026", "eprint_id": 5026, "rev_number": 10, "documents": [ { "id": "/id/document/7948", "doc_id": 7948, "rev_number": 2, "files": [ { "id": "/id/file/48940", "fileid": 48940, "datasetid": "document", "objectid": 7948, "filename": "Collins_hlh_1947.pdf", "mime_type": "application/pdf", "filesize": 11271982, "mtime": "2012-12-26 03:13:50", "url": "/5026/1/Collins_hlh_1947.pdf" } ], "eprint_id": 5026, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Collins_hlh_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Collins_hlh_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24458" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24458" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24458" } ] } }, { "id": "/id/document/24458", "doc_id": 24458, "rev_number": 2, "files": [ { "id": "/id/file/48938", "fileid": 48938, "datasetid": "document", "objectid": 24458, "filename": "preview.png", "mime_type": "image/png", "hash": "872ea4ce3f02675ac55cfaf23db92945", "hash_type": "MD5", "filesize": 11093, "mtime": "2012-12-26 03:13:50", "url": "/5026/2/preview.png" } ], "eprint_id": 5026, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7948" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7948" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7948" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/26", "datestamp": "2009-01-14", "lastmod": "2023-03-16 18:33:20", "status_changed": "2009-09-25 03:30:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Collins-Hugh-L-H", "name": { "family": "Collins", "given": "Hugh L. H." }, "show_email": "NO" } ] }, "title": "Experimental Study of the Burning Rates of Some Solid Propellants by Using a Closed Bomb", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This report represents an attempt to correlate experimental data obtained with a burning rate bomb with the data obtained from the firing of rocket charges, and to obtain burning rate curves for new propellants where insufficient data exists.\r\n\r\nIt was found that very good agreement could be obtained between experimental data obtained in a burning rate bomb and data derived from test firing of rocket charges.\r\n\r\nA comparison was made among three different propellants which utilized Thiokol LP-3 for the fuel, and potassium perchlorate and ammonium perchlorate, separately or in combination, for the oxidizer. It was found that potassium perchlorate only gave the fastest burning rate, and the ammonium perchlorate only gave the slowest burning rate, while a mixture of the two gave an intermediate value.\r\n\r\nAn investigation was made on the coning of solid propellant charges. Coning is the term applied when the burning of a solid propellant charge forms a conical burning surface. Normally a flat burning surface is expected and desired. It was found that a wide deviation in the burning rates existed between the center of the propellant and the edge in the case of the mixture of the ammonium and potassium perchlorate and the pure ammonium perchlorate oxidizers. The results also showed that the difference in burning rates between the center and edge of the charge increased as the amount of ammonium perchlorate in the oxidizer was increased. The limited investigation seemed to indicate that the fundamental variation in burning rate was the only cause of coning.\r\n\r\nBest results were obtained from the use of a restricting material similar in nature to the propellant being investigated. In this case, a Thiokol restricting material gave the best results on the Thiokol propellants.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12162008-141728", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12162008-141728", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-14", "doi": "10.7907/EFSF-XG74", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-16", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2009-01-14", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Collins, Hugh L. H." }, { "id": "/id/eprint/5080", "eprint_id": 5080, "rev_number": 12, "documents": [ { "id": "/id/document/8054", "doc_id": 8054, "rev_number": 2, "files": [ { "id": "/id/file/49565", "fileid": 49565, "datasetid": "document", "objectid": 8054, "filename": "Soli_oa_1947.pdf", "mime_type": "application/pdf", "filesize": 48970552, "mtime": "2012-12-26 03:14:35", "url": "/5080/1/Soli_oa_1947.pdf" } ], "eprint_id": 5080, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Soli_oa_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Soli_oa_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24559" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24559" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24559" } ] } }, { "id": "/id/document/24559", "doc_id": 24559, "rev_number": 2, "files": [ { "id": "/id/file/49563", "fileid": 49563, "datasetid": "document", "objectid": 24559, "filename": "preview.png", "mime_type": "image/png", "hash": "8bb13c991cf4cac0850a3cac6f13b556", "hash_type": "MD5", "filesize": 10365, "mtime": "2012-12-26 03:14:35", "url": "/5080/2/preview.png" } ], "eprint_id": 5080, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8054" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8054" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8054" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/50/80", "datestamp": "2009-01-15", "lastmod": "2023-03-16 22:24:35", "status_changed": "2009-09-25 03:32:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Soli-Orlan-Alton", "name": { "family": "Soli", "given": "Orlan Alton" }, "show_email": "NO" }, { "id": "Ditch-William-Earl", "name": { "family": "Ditch", "given": "William Earl" }, "show_email": "NO" } ] }, "title": "A Study of the Effects of Rapidly Applied Loads and Repeated Loads on Countersunk Riveted Joints", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A number of tests were conducted at Daniel Guggenheim Aeronautical Laboratory to determine the effects of rapid loading and repeated rapid loading on countersunk riveted joints. This investigation was conducted to indicate the importance and possibilities of future study in this field.\r\n\r\nThe rapid loading test results are compared to slow loading tests and to ANC-5 and Aircraft Industries Association of America values.\r\n\r\nA hydraulic testing machine designed for these specific tests was constructed and placed in operation. A general discussion of the testing machine and its operation is included.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12192008-111017", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12192008-111017", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/WEWA-8A78", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Martel-R-R", "name": { "family": "Martel", "given": "Romeo Raoul" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-19", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Soli, Orlan Alton and Ditch, William Earl" }, { "id": "/id/eprint/4750", "eprint_id": 4750, "rev_number": 11, "documents": [ { "id": "/id/document/7627", "doc_id": 7627, "rev_number": 2, "files": [ { "id": "/id/file/46718", "fileid": 46718, "datasetid": "document", "objectid": 7627, "filename": "Burger_gw_1947.pdf", "mime_type": "application/pdf", "filesize": 7738803, "mtime": "2012-12-26 03:11:30", "url": "/4750/1/Burger_gw_1947.pdf" } ], "eprint_id": 4750, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Burger_gw_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Burger_gw_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24146" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24146" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24146" } ] } }, { "id": "/id/document/24146", "doc_id": 24146, "rev_number": 2, "files": [ { "id": "/id/file/46716", "fileid": 46716, "datasetid": "document", "objectid": 24146, "filename": "preview.png", "mime_type": "image/png", "hash": "3b72b2141af6dc161f4e931052ba718b", "hash_type": "MD5", "filesize": 11666, "mtime": "2012-12-26 03:11:30", "url": "/4750/2/preview.png" } ], "eprint_id": 4750, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7627" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7627" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7627" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/50", "datestamp": "2008-12-19", "lastmod": "2023-03-16 18:21:19", "status_changed": "2009-09-25 03:25:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Burger-Glenn-William", "name": { "family": "Burger", "given": "Glenn William" }, "show_email": "NO" }, { "id": "Daniels-Jerry-Forest", "name": { "family": "Daniels", "given": "Jerry Forest" }, "show_email": "NO" } ] }, "title": "Design of an Instrument for Measuring the True Vertical Velocity of an Airplane at Moment of Contact in Landing", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "In the design of the Vertical Velocity Meter a survey was first conducted of the existing methods used to measure the vertical velocity of an airplane when landing. A study was then made of these methods and of other unsuccessful attempts to design a Vertical Velocity Meter to determine just why they were not satisfactory and in what way they might be improved.
\r\n\r\nIt was decided to develop a design along an entirely different principle than any used before but yet one having basic simplicity. The one selected was based on the formula of velocity being equal to a distance divided by the time it took to travel that distance. To accomplish this a device was designed which consisted of two rods of different length which would strike the ground when the plane was landing, thus if the difference in length and the time between the striking of the two rods is known, the velocity at that moment would be determined.
\r\n\r\nSince it was impracticable to test this device on an airplane, a testing machine was constructed which would test both the strength of the rods and various timing methods. This machine consisted of a wedge mounted on the end of a whirling arm which would strike the rods and simulate the impact received during the landing of an airplane. Two timing methods were tried; a Miller Oscillograph with built in recorder, and a Cathode-Ray Oscilloscope with a camera to record the trace.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-140606", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-140606", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-19", "doi": "10.7907/R4C9-D634", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Klein-A-L", "name": { "family": "Klein", "given": "Arthur Louis" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_approved_date": "2008-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Burger, Glenn William and Daniels, Jerry Forest" }, { "id": "/id/eprint/4749", "eprint_id": 4749, "rev_number": 11, "documents": [ { "id": "/id/document/7626", "doc_id": 7626, "rev_number": 2, "files": [ { "id": "/id/file/46710", "fileid": 46710, "datasetid": "document", "objectid": 7626, "filename": "Bull_eg_1947.pdf", "mime_type": "application/pdf", "filesize": 11574565, "mtime": "2012-12-26 03:11:30", "url": "/4749/1/Bull_eg_1947.pdf" } ], "eprint_id": 4749, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bull_eg_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Bull_eg_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24145" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24145" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24145" } ] } }, { "id": "/id/document/24145", "doc_id": 24145, "rev_number": 2, "files": [ { "id": "/id/file/46708", "fileid": 46708, "datasetid": "document", "objectid": 24145, "filename": "preview.png", "mime_type": "image/png", "hash": "508ae5b76df64a42d31b4284b979717f", "hash_type": "MD5", "filesize": 9215, "mtime": "2012-12-26 03:11:30", "url": "/4749/2/preview.png" } ], "eprint_id": 4749, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7626" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7626" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7626" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/49", "datestamp": "2008-12-18", "lastmod": "2023-03-16 18:16:35", "status_changed": "2009-09-25 03:25:23", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bull-Edward-George", "name": { "family": "Bull", "given": "Edward George" }, "show_email": "NO" }, { "id": "Mastin-Robert-L", "name": { "family": "Mastin", "given": "Robert L." }, "show_email": "NO" } ] }, "title": "Repeated Loads Above the Proportional Limit on 24ST Aluminum Alloy", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The purpose of this investigation is to study the effect of repeated tensile stresses above the proportional limit on 24ST Aluminum Alloy.
\r\n\r\nThe investigation consisted of two parts: the design and building of testing apparatus which would provide a pure tension stress capable of being repeated many times a minute without shock but with a high rate of loading, and to obtain data by means of runs on prepared samples of the metal under study.
\r\n\r\nIt was found that permanent deformation caused by overstress is not a useful factor in forecasting life expectancy.
\r\n\r\nIt was also found that the effects of \"aging\" (elapsed time between overstresses), initial cold work, and magnitude of over- stresses applied all have definite influence on the ability of 24ST Aluminum Alloy to withstand further overstressing and require more thorough investigation.
\r\n\r\nIt is considered that this field offers attractive possibilities for further study of the behavior of aircraft materials above the proportional limit with an eye toward increasing accuracy of airplane design.
\r\n\r\nThe investigation was carried out at the Daniel Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-093401", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-093401", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-18", "doi": "10.7907/BN3E-8T35", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "chair" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "member" }, { "id": "Martin-H-C", "name": { "family": "Martin", "given": "Harold Clifford" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2008-12-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Bull, Edward George and Mastin, Robert L." }, { "id": "/id/eprint/4725", "eprint_id": 4725, "rev_number": 17, "documents": [ { "id": "/id/document/7600", "doc_id": 7600, "rev_number": 2, "files": [ { "id": "/id/file/46527", "fileid": 46527, "datasetid": "document", "objectid": 7600, "filename": "Deodati_jb_1947.pdf", "mime_type": "application/pdf", "filesize": 3384174, "mtime": "2012-12-26 03:11:18", "url": "/4725/1/Deodati_jb_1947.pdf" } ], "eprint_id": 4725, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Deodati_jb_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Deodati_jb_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24119" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24119" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24119" } ] } }, { "id": "/id/document/24119", "doc_id": 24119, "rev_number": 2, "files": [ { "id": "/id/file/46525", "fileid": 46525, "datasetid": "document", "objectid": 24119, "filename": "preview.png", "mime_type": "image/png", "hash": "3ec69cf06b3bcb7938a612161804c822", "hash_type": "MD5", "filesize": 8068, "mtime": "2012-12-26 03:11:18", "url": "/4725/2/preview.png" } ], "eprint_id": 4725, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7600" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7600" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7600" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/25", "datestamp": "2008-12-18", "lastmod": "2023-03-16 18:37:39", "status_changed": "2009-09-25 03:24:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Deodati--Joseph-Benjamin", "name": { "family": "Deodati", "given": "Joseph Benjamin" }, "show_email": "NO" }, { "id": "Monteath-Edward-Berlendis", "name": { "family": "Monteath", "given": "Edward Berlendis" }, "show_email": "NO" } ] }, "title": "An Investigation of the Round Jet in a Moving Air Sstream", "ispublished": "unpub", "full_text_status": "public", "keywords": "round jet ; air stream ; Aeronautical Engineering", "abstract": "A theoretical investigation is made of a circular jet issuing from an orifice into an air stream flowing parallel to the jet axis and in the same direction as the jet. The analysis is divided into two portions:
\r\n\r\n1. The region immediately downstream of the orifice in which exists the potential cone of uniform velocity.
\r\n2. The region downstream of the end of the potential cone in which the jet is fully developed.
\r\n\r\nThe solution for these two portions are fitted together at the section at which the potential cone disappears giving a complete solution for the whole jet.
\r\n\r\nNumerical computations are made for several ratios of free stream velocity to jet velocity to determine the spread of the jet, velocity on the axis of the jet, and spread of the surface on which the velocity is one half the sum of the jet velocity and free stream velocity.
\r\n\r\nSquire and Trouncer's results are plotted as a comparison with those obtained in this analysis.
\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12022008-112834", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022008-112834", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-18", "doi": "10.7907/8QPZ-RY03", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-02", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2008-12-18", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Deodati, Joseph Benjamin and Monteath, Edward Berlendis" }, { "id": "/id/eprint/4751", "eprint_id": 4751, "rev_number": 12, "documents": [ { "id": "/id/document/7628", "doc_id": 7628, "rev_number": 2, "files": [ { "id": "/id/file/46725", "fileid": 46725, "datasetid": "document", "objectid": 7628, "filename": "Durup_pc_1947.pdf", "mime_type": "application/pdf", "filesize": 59634293, "mtime": "2012-12-26 03:11:31", "url": "/4751/1/Durup_pc_1947.pdf" } ], "eprint_id": 4751, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Durup_pc_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Durup_pc_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24147" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24147" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24147" } ] } }, { "id": "/id/document/24147", "doc_id": 24147, "rev_number": 2, "files": [ { "id": "/id/file/46723", "fileid": 46723, "datasetid": "document", "objectid": 24147, "filename": "preview.png", "mime_type": "image/png", "hash": "4007cfd0ad4d81fefcdcde7fbd701d34", "hash_type": "MD5", "filesize": 7106, "mtime": "2012-12-26 03:11:31", "url": "/4751/2/preview.png" } ], "eprint_id": 4751, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7628" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7628" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7628" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/51", "datestamp": "2008-12-19", "lastmod": "2023-03-16 19:59:09", "status_changed": "2009-09-25 03:25:24", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Durup-Paul-Christian", "name": { "family": "Durup", "given": "Paul Christian" }, "show_email": "NO" }, { "id": "Weisenberg-Joseph-Oscar", "name": { "family": "Weisenberg", "given": "Joseph Oscar" }, "show_email": "NO" } ] }, "title": "Lateral Stability of Thin Tapered Struts", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "From the experimental investigation detailed herein it has been determined, at least for two types of struts, that there is a very close correlation between (1) the experimentally determined buckling load which a given strut will sustain and (2) the critical load determined by the use of Southwell\u2019s method, which does not entail loading the strut to its critical load. By using an initial eccentricity and loads considerably less than the original, the critical load may be derived from the results of three or four simple test readings, not requiring an elaborate or refined setup.\r\n\r\nExperimental verification of existing theory of lateral buckling is noted for the case of struts tapered to a point at the application of the loading.\r\n\r\nThe possibility of determining the eccentricity of a given loading by plots of \u03b2/p vs. \u03b2 is pointed out and the type of curve to be expected as noted. However due to lack of refinement of the experimental setup, no definite conclusions are presented.\r\n\r\nThe theoretical portion of this thesis offers the derivation of a formula for the lateral buckling of a thin linearly tapered strut of constant thickness. Due to the complexity of the problem certain simplifications were made to facilitate this derivation.\r\n\r\nComparison of the values determined by use of this formula with the values experimentally determined for four struts shows a fairly close correlation.\r\n\r\nIt is suggested that in some future work a more thorough investigation be made of the relation between the eccentricity of the loading and the load which a strut will carry, using a given deflection as a parameter.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-152413", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-152413", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-19", "doi": "10.7907/FGGF-0080", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2008-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Durup, Paul Christian and Weisenberg, Joseph Oscar" }, { "id": "/id/eprint/4754", "eprint_id": 4754, "rev_number": 12, "documents": [ { "id": "/id/document/7631", "doc_id": 7631, "rev_number": 2, "files": [ { "id": "/id/file/46750", "fileid": 46750, "datasetid": "document", "objectid": 7631, "filename": "Anderson_rg_1947.pdf", "mime_type": "application/pdf", "filesize": 7759860, "mtime": "2012-12-26 03:11:33", "url": "/4754/1/Anderson_rg_1947.pdf" } ], "eprint_id": 4754, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Anderson_rg_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Anderson_rg_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24150" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24150" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24150" } ] } }, { "id": "/id/document/24150", "doc_id": 24150, "rev_number": 2, "files": [ { "id": "/id/file/46748", "fileid": 46748, "datasetid": "document", "objectid": 24150, "filename": "preview.png", "mime_type": "image/png", "hash": "48abbdbb2bf650e49de7bd9794a96654", "hash_type": "MD5", "filesize": 8922, "mtime": "2012-12-26 03:11:32", "url": "/4754/2/preview.png" } ], "eprint_id": 4754, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7631" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7631" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7631" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/54", "datestamp": "2008-12-22", "lastmod": "2019-12-21 04:37:35", "status_changed": "2009-09-25 03:25:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Anderson-Roy-Gene", "name": { "family": "Anderson", "given": "Roy Gene" } }, { "id": "Rush-Charles-Wesley", "name": { "family": "Rush", "given": "Charles Wesley" } }, { "id": "McClellan-Thomas-Rufus", "name": { "family": "McClellan", "given": "Thomas Rufus" } } ] }, "title": "Development of a Hydroduct", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This report presents the results of experiments on a device for producing thrust for underwater propulsion. The principle of the device is based on accelerating a large mass of water by expansion of a small mass of gas, the gas being injected continuously into the water. The investigation consisted of tests conducted on ducts of several different designs; varying the exit area of the duets, the water and gas flow, and the method of injecting and mixing the gas and water.
\r\n\r\nUsing hydrogen gas at a rate of 0.0165 lbs/sec at a water flow rate of 27.4 lbs/sec, a maximum gross thrust of 29.2 lbs was obtained. At this water flow rate the internal friction drag of the duct was 20.5 lbs, giving a net thrust of 8.7 lbs. The effective exhaust velocity for these flow rates was 56,900 ft/sec.. ThAt is equivalent to a specific impulse of 1,770 sec., whereas a good conventional rocket fuel would have a specific impulse of about 250 sec. At low gas flow rates an effective exhaust velocity of 296,000 ft/sec. was obtained. However, at this low gas rate the gross thrust was less than the internal friction drag of the duct.
\r\n\r\nEffective exhaust velocity is defined as gross thrust divided by the mass flow rate of gas, and has the dimensions of velocity.
\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-155842", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-155842", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-22", "doi": "10.7907/7PWR-0P18", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Rannie-W-D", "name": { "family": "Rannie", "given": "W. Duncan" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2008-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Anderson, Roy Gene; Rush, Charles Wesley; et el." }, { "id": "/id/eprint/4519", "eprint_id": 4519, "rev_number": 11, "documents": [ { "id": "/id/document/7338", "doc_id": 7338, "rev_number": 2, "files": [ { "id": "/id/file/44778", "fileid": 44778, "datasetid": "document", "objectid": 7338, "filename": "Marble_fe_1947.pdf", "mime_type": "application/pdf", "filesize": 3310065, "mtime": "2012-12-26 03:09:24", "url": "/4519/1/Marble_fe_1947.pdf" } ], "eprint_id": 4519, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Marble_fe_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Marble_fe_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23863" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23863" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23863" } ] } }, { "id": "/id/document/23863", "doc_id": 23863, "rev_number": 2, "files": [ { "id": "/id/file/44776", "fileid": 44776, "datasetid": "document", "objectid": 23863, "filename": "preview.png", "mime_type": "image/png", "hash": "a316260b02276fa2b25995c0ad094d07", "hash_type": "MD5", "filesize": 11113, "mtime": "2012-12-26 03:09:24", "url": "/4519/2/preview.png" } ], "eprint_id": 4519, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7338" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7338" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7338" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/19", "datestamp": "2003-11-12", "lastmod": "2023-03-16 20:29:41", "status_changed": "2009-09-25 03:19:59", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Marble-Frank-Earl", "name": { "family": "Marble", "given": "Frank Earl" }, "show_email": "NO" } ] }, "title": "The Rotational Motion of an Ideal Fluid and Application to the Three-Dimensional Flow Through Axial Turbomachinery", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The present paper discusses the principles and applications of an iteration method for solving certain problems involving rotational motion of an ideal fluid, such as occur in the presence of heat transfer, combustion, mechanical work processes, and non-uniform shock waves. The iteration process linearizes the essentially non-linear equations for rotational fluid motion by assuming a process for the vorticity transport, namely: the nth approximation is linearized by assuming the vorticity to be transported by the n-1th velocity field. In some important cases, the first order solutions seem to offer considerable accuracy.\r\n\r\nTwo applications of the procedure are discussed in some detail, namely: 1) The process of straightening a non-uniform flow in a two-dimensional parallel-wall channel by means of a screen and 2) The three-dimensional flow in a multistage axial turbomachine having an infinite number of blades in each blade row. The second of these, the three-dimensional flow through a turbomachine, is given detailed analysis bearing some analogy to the Prandtl theory of finite wings. The results for the first order solution of velocity and enthalpy distributions are given explicitly and are shown to be defined by four relatively simple integrals. The cases of rotating and stationary single blade rows are evaluated completely. The general iteration process for obtaining higher approximations, utilizing the method of Green's functions, is given in some detail.\r\n\r\nThe calculations of the flow field generated by a blade row of given geometry is illustrated by the problem of a \"vortex\" turbomachine operating off the design condition. The problem is found to be essentially non-linear in some respects, especially as to the approach to periodic solutions for a succession of similar stages.", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-11122003-141530", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11122003-141530", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-12", "doi": "10.7907/CJJR-H730", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-11-12", "thesis_approved_date": "2003-11-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Marble, Frank Earl" }, { "id": "/id/eprint/4872", "eprint_id": 4872, "rev_number": 14, "documents": [ { "id": "/id/document/7761", "doc_id": 7761, "rev_number": 2, "files": [ { "id": "/id/file/47695", "fileid": 47695, "datasetid": "document", "objectid": 7761, "filename": "Clarke_fb_1947.pdf", "mime_type": "application/pdf", "filesize": 6224039, "mtime": "2012-12-26 03:12:31", "url": "/4872/1/Clarke_fb_1947.pdf" } ], "eprint_id": 4872, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Clarke_fb_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Clarke_fb_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24280" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24280" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24280" } ] } }, { "id": "/id/document/24280", "doc_id": 24280, "rev_number": 2, "files": [ { "id": "/id/file/47693", "fileid": 47693, "datasetid": "document", "objectid": 24280, "filename": "preview.png", "mime_type": "image/png", "hash": "2a90f5cd232d069af7d075fde16ed772", "hash_type": "MD5", "filesize": 9983, "mtime": "2012-12-26 03:12:31", "url": "/4872/2/preview.png" } ], "eprint_id": 4872, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7761" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7761" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7761" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/72", "datestamp": "2008-12-22", "lastmod": "2023-03-16 18:28:23", "status_changed": "2009-09-25 03:27:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Clarke-Fredric-B", "name": { "family": "Clarke", "given": "Fredric B." }, "show_email": "NO" }, { "id": "Sappington-Merrill-Homer", "name": { "family": "Sappington", "given": "Merrill Homer" }, "show_email": "NO" } ] }, "title": "A Study of the Ignition Lag of Spontaneous Rocket Propellants", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "For this investigation, ignition lag, as previously defined, is a time required for a reaction to build up an arbitrary pressure of the order of two inches of water. This definition is of particular interest in the study of liquid rockets since the rate of pressure build-up from the spontaneous reaction propellant components is important in the performance of the rocket motor. It makes possible a comparison of propellant combinations to determine which would be better so far as the time lag in reaching the critical pressure ratio is concerned.
\r\n\r\nIt was found that under any one set of conditions it was possible to reproduce data consistently within ten percent. These consequently resulted in very smooth relationships which are of a nature that was generally expected in each case.
\r\n\r\nIn the investigation it was found that at temperatures near the freezing point of aniline, ignition lags were of the order of 12 to 16 milliseconds. On reaching ordinary room temperatures the lag was reduced by a factor of three or four. Beyond this range the effect of temperature change was not so pronounced, and the curve tends to straighten out (see Figure 3). A temperature increase of 80 degrees beyond 100 degrees F produces a decrease of only 14 percent in ignition lag.
\r\n\r\nFor the effect of dilution of the BPNA with water, two relationships were obtained--one by dropping acid into aniline, the other by reversing the two components. These relationships are plotted in Figure 2 and show that a small percentage of water as an impurity in acid will produce little noticeable effect on ignition. This should be of interest to those working with acid-aniline motors in the field. It is believed that the correct values of ignition lag for mixture ratios of a motor lie between the two curves plotted. For relatively pure acid and commercial grade aniline, 3 to 5 milliseconds were required to build up a pressure of two inches of water in a chamber of 2.655 liters volume.
\r\n\r\nBy using several burettes of different tip sizes, it was shown that drops having volumes of more than about 0.0475 milliliters produced approximately the same ignition lags. Two curves, one for acid into aniline and the other for aniline into acid, are plotted in Figure 1 and give the relationship between drop volume and ignition lag. There is an almost constant difference of about two milliseconds between these two curves, which seems to be characteristic of which component is dropped into the other.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-080723", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-080723", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-22", "doi": "10.7907/GV68-3M37", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Altman-D", "name": { "family": "Altman", "given": "David" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_defense_date": "1947-06-01", "thesis_approved_date": "2008-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Clarke, Fredric B. and Sappington, Merrill Homer" }, { "id": "/id/eprint/4325", "eprint_id": 4325, "rev_number": 10, "documents": [ { "id": "/id/document/7068", "doc_id": 7068, "rev_number": 2, "files": [ { "id": "/id/file/43037", "fileid": 43037, "datasetid": "document", "objectid": 7068, "filename": "Heppe_rr_1947.pdf", "mime_type": "application/pdf", "filesize": 4895429, "mtime": "2012-12-26 03:07:29", "url": "/4325/1/Heppe_rr_1947.pdf" } ], "eprint_id": 4325, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Heppe_rr_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Heppe_rr_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23597" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23597" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23597" } ] } }, { "id": "/id/document/23597", "doc_id": 23597, "rev_number": 2, "files": [ { "id": "/id/file/43035", "fileid": 43035, "datasetid": "document", "objectid": 23597, "filename": "preview.png", "mime_type": "image/png", "hash": "45ede8bd1c687f57bd1c31fe10544fa1", "hash_type": "MD5", "filesize": 5789, "mtime": "2012-12-26 03:07:29", "url": "/4325/2/preview.png" } ], "eprint_id": 4325, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7068" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7068" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7068" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/43/25", "datestamp": "2003-11-06", "lastmod": "2023-03-16 20:18:57", "status_changed": "2009-09-25 03:16:04", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Heppe-R-Richard", "name": { "family": "Heppe", "given": "R. Richard" }, "show_email": "NO" } ] }, "title": "Investigation of a Variable Geometry Supersonic Diffuser", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A flexible second throat supersonic diffuser has been tested in the GALCIT 2-1/2 inch supersonic wind tunnel at Mach numbers of 2.60 and 3.33. The theoretical minimum area relation for starting a supersonic tunnel has been checked at the two Mach numbers, and the amount by which the height of the second throat may be reduced after the tunnel has been started was determined. Minimum compression ratios for the starting and reduced second throat conditions have been determined and compared with those previously found here and theoretically estimated by Crocco. Effect of nozzle surface roughness on supersonic flow is noted, and Schlieren photographs representing the flow in a variety of conditions are presented. A series of Schlieren photographs shows the flow in the second throat at progressively greater amounts of area reduction.\r\n\r\nThe theoretical minimum second throat area relation was found to predict the second throat size for starting within 3 percent at both Mach numbers, being conservative by that amount in both cases. Only about 1/3 of the theoretically predicted reduction of second throat area after starting was realized at both Mach numbers before separation of the boundary layer broke down flow throughout the nozzle. Minimum compression ratios were reduced some 9 and 6 percent for Mach numbers 2.60 and 3.33 respectively. These decreases, though not as large as anticipated, nevertheless have the lowest compression ratios ever measured in the GALCIT tunnel, ratios less than Crocco's estimate, heretofore never realized. Transition, though not occurring by means of a normal shock wave, was found to be stable a few inches downstream of the second throat.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-10302003-162416", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10302003-162416", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2003-11-06", "doi": "10.7907/WYNA-G323", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2003-10-30", "thesis_defense_date": "1947-05-01", "thesis_approved_date": "2003-11-06", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Heppe, R. Richard" }, { "id": "/id/eprint/4873", "eprint_id": 4873, "rev_number": 11, "documents": [ { "id": "/id/document/7762", "doc_id": 7762, "rev_number": 3, "files": [ { "id": "/id/file/47702", "fileid": 47702, "datasetid": "document", "objectid": 7762, "filename": "Palmer_gm_1947.pdf", "mime_type": "application/pdf", "filesize": 4659883, "mtime": "2012-12-26 03:12:32", "url": "/4873/1/Palmer_gm_1947.pdf" } ], "eprint_id": 4873, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Palmer_gm_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24281" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24281" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24281" } ] } }, { "id": "/id/document/24281", "doc_id": 24281, "rev_number": 2, "files": [ { "id": "/id/file/47700", "fileid": 47700, "datasetid": "document", "objectid": 24281, "filename": "preview.png", "mime_type": "image/png", "hash": "1d73bc4576369a5bd37da63827da6a7a", "hash_type": "MD5", "filesize": 7279, "mtime": "2012-12-26 03:12:32", "url": "/4873/2/preview.png" } ], "eprint_id": 4873, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7762" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7762" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7762" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/73", "datestamp": "2008-12-22", "lastmod": "2023-03-16 20:58:05", "status_changed": "2009-09-25 03:27:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Palmer-George-Marshall", "name": { "family": "Palmer", "given": "George Marshall" }, "show_email": "NO" } ] }, "title": "The Downwash Distribution Behind a Delta Wing at Supersonic Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "At the present date, very little information exists as to the downwash and sidewash in the wake of lifting surfaces for supersonic missiles and airplanes. To the author's knowledge, Reference 1 is the first paper to develop the theory and carry out numerical calculations for the downwash and sidewash behind wings of practical interest. However, the paper only contained brief indications of how to treat the very interesting triangular planform known as the delta wing.\r\n\r\nIt is the purpose of this paper to extend the basic idea for the determination of downwash as used in Reference 1, to the delta wing, and to carry out numerical calculations for a specific case. Although it is possible to develop expressions for the downwash and the sidewash at all points within the Mach cone and in the wake of the wing, see Reference 1, it was not carried out here. This paper applies only to the downwash field in the plane of the wing. Another restriction is that the delta wing half angle be less than the Mach angle.", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-081222", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-081222", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-22", "doi": "10.7907/3VWX-XE20", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Lagerstrom-P-A", "name": { "family": "Lagerstrom", "given": "Paco A." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_defense_date": "1947-06-01", "thesis_approved_date": "2008-12-22", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Palmer, George Marshall" }, { "id": "/id/eprint/4874", "eprint_id": 4874, "rev_number": 10, "documents": [ { "id": "/id/document/7763", "doc_id": 7763, "rev_number": 2, "files": [ { "id": "/id/file/47708", "fileid": 47708, "datasetid": "document", "objectid": 7763, "filename": "O'Meara_dj_1947.pdf", "mime_type": "application/pdf", "filesize": 13703327, "mtime": "2012-12-26 03:12:33", "url": "/4874/1/O'Meara_dj_1947.pdf" } ], "eprint_id": 4874, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "O'Meara_dj_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "O'Meara_dj_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24282" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24282" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24282" } ] } }, { "id": "/id/document/24282", "doc_id": 24282, "rev_number": 2, "files": [ { "id": "/id/file/47706", "fileid": 47706, "datasetid": "document", "objectid": 24282, "filename": "preview.png", "mime_type": "image/png", "hash": "0c3ba596afa94fcfeba8f115067937db", "hash_type": "MD5", "filesize": 9262, "mtime": "2012-12-26 03:12:33", "url": "/4874/2/preview.png" } ], "eprint_id": 4874, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7763" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7763" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7763" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/74", "datestamp": "2008-12-24", "lastmod": "2023-03-16 20:52:51", "status_changed": "2009-09-25 03:27:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "O'Meara-Donald-John", "name": { "family": "O'Meara", "given": "Donald John" }, "show_email": "NO" }, { "id": "Andrews-Clyde-Cecil", "name": { "family": "Andrews", "given": "Clyde Cecil" }, "show_email": "NO" } ] }, "title": "A Study of the Temperature Gradients of Gases Flowing Through Heated Porous Metal", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Nitrogen and Hydrogen were passed through a pack of heated porous metal discs to obtain temperature distribution as a function of (1) mass flows and (2) temperatures at which metal was heated. An effort was made to obtain heat transfer per unit volume of porous metal as a function of (1) mass flows and (2) temperatures at which the metal was heated. By varying inlet gas pressures at various metal temperatures the effect of temperature on pressure drop was determined.\r\n\r\nThe results show that a cool gas flowing through a heated porous metal very quickly assumes the temperature of the metal. Heat transfer appears to increase linearly with mass flow up to a certain point above which the results were inconclusive. The variation of mass flow with pressure drop was determined to be linear for low pressure drop and to increase at a greater rate for higher pressure drops.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-081553", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-081553", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/WNFK-V169", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Duwez-P-E", "name": { "family": "Duwez", "given": "Pol E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "O'Meara, Donald John and Andrews, Clyde Cecil" }, { "id": "/id/eprint/4875", "eprint_id": 4875, "rev_number": 12, "documents": [ { "id": "/id/document/7764", "doc_id": 7764, "rev_number": 2, "files": [ { "id": "/id/file/47716", "fileid": 47716, "datasetid": "document", "objectid": 7764, "filename": "Mullane_lw_1947.pdf", "mime_type": "application/pdf", "filesize": 5712489, "mtime": "2012-12-26 03:12:33", "url": "/4875/1/Mullane_lw_1947.pdf" } ], "eprint_id": 4875, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Mullane_lw_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Mullane_lw_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24283" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24283" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24283" } ] } }, { "id": "/id/document/24283", "doc_id": 24283, "rev_number": 2, "files": [ { "id": "/id/file/47714", "fileid": 47714, "datasetid": "document", "objectid": 24283, "filename": "preview.png", "mime_type": "image/png", "hash": "5909ceb5d9e3ed7322f6074d37fd4197", "hash_type": "MD5", "filesize": 8620, "mtime": "2012-12-26 03:12:33", "url": "/4875/2/preview.png" } ], "eprint_id": 4875, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7764" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7764" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7764" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/75", "datestamp": "2008-12-24", "lastmod": "2023-03-17 21:39:42", "status_changed": "2009-09-25 03:27:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Mullane-Leo-Wayne", "name": { "family": "Mullane", "given": "Leo Wayne" }, "show_email": "NO" } ] }, "title": "An Apparatus for the Study of the Turbulent Diffusion Flame", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The project to study the turbulent diffusion flame, by the Department of Chemical Engineering of the California Institute of Technology, is quite comprehensive. Only a small portion of the project was included in the scope of this thesis.\r\n\r\nA study will be made of the turbulent diffusion flame that is formed when fuel gas is introduced, through the end of a 1-inch-diameter tube, into air, flowing in a 4-inch-diameter tube, and combustion is started. The plan of investigation is divided into two parts. First, a study will be made of the mixing zone when combustion is not occurring; and secondly, a study will be made of the combustion zone when combustion is taking place.\r\n\r\nThe work accomplished in the scope of this thesis was the design and assistance in the fabrication and assembly of the equipment necessary to conduct this investigation. This was completed with the exception of the sampler to be used in obtaining samples of the burning gases. In addition, one series of tests was made at one stream velocity.\r\n\r\nThe equipment functioned very well during the series of runs. Recommendations for a few minor changes are included in this report. The incorporation of these changes should increase slightly both the speed of taking data and the accuracy of the results.\r\n\r\nThe results obtained in the series of tests indicated that the desired data can be obtained with this equipment.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-082034", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-082034", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/DW7B-DN61", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sage-B-H", "name": { "family": "Sage", "given": "Bruce H." }, "role": "advisor" }, { "id": "Hough-E-W", "name": { "family": "Hough", "given": "Eldred W." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Mullane, Leo Wayne" }, { "id": "/id/eprint/4876", "eprint_id": 4876, "rev_number": 12, "documents": [ { "id": "/id/document/7765", "doc_id": 7765, "rev_number": 2, "files": [ { "id": "/id/file/47723", "fileid": 47723, "datasetid": "document", "objectid": 7765, "filename": "Kirkwood_tf_1947.pdf", "mime_type": "application/pdf", "filesize": 3669467, "mtime": "2012-12-26 03:12:34", "url": "/4876/1/Kirkwood_tf_1947.pdf" } ], "eprint_id": 4876, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kirkwood_tf_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Kirkwood_tf_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24284" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24284" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24284" } ] } }, { "id": "/id/document/24284", "doc_id": 24284, "rev_number": 2, "files": [ { "id": "/id/file/47721", "fileid": 47721, "datasetid": "document", "objectid": 24284, "filename": "preview.png", "mime_type": "image/png", "hash": "8f7c82ca38cb96c60a9d9bf0ebcfad82", "hash_type": "MD5", "filesize": 8412, "mtime": "2012-12-26 03:12:33", "url": "/4876/2/preview.png" } ], "eprint_id": 4876, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7765" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7765" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7765" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/76", "datestamp": "2008-12-24", "lastmod": "2023-03-16 20:21:22", "status_changed": "2009-09-25 03:27:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kirkwood-Thomas-Frederick", "name": { "family": "Kirkwood", "given": "Thomas Frederick" }, "show_email": "NO" } ] }, "title": "Integral Methods Applied to a Compressible Boundary Layer on an Insulated Flat Plate Parallel to the Wind", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The effect of compressibility upon the boundary layer thickness and wall shearing stress on an insulated flat plate parallel to the wind is investigated. Integral methods are used to investigate both laminar and turbulent boundary layers.\r\n\r\nIn order to simplify the calculations, only the limiting cases of small Mach numbers and very large Mach numbers are investigated in the laminar case. In the turbulent case only small Mach numbers are considered due to the present lack of understanding of supersonic turbulence.\r\n\r\nIt is found that in the subsonic laminar boundary layer, the wall shear stress is approximately independent of Mach number while the boundary layer thickness increases with Mach number. For large Mach numbers in the laminar case it is found that the wall shear stress is proportional to M[subscript o, superscript -.24] and the boundary layer thickness to M[subscript o, superscript 1.76].\r\n\r\nIn the turbulent case, where only small Mach numbers are investigated, both the shear stress end boundary layer thickness are found to decrease with Mach number.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-082433", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-082433", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/ERYV-B305", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_defense_date": "1947-05-24", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Kirkwood, Thomas Frederick" }, { "id": "/id/eprint/4978", "eprint_id": 4978, "rev_number": 12, "documents": [ { "id": "/id/document/7898", "doc_id": 7898, "rev_number": 2, "files": [ { "id": "/id/file/48579", "fileid": 48579, "datasetid": "document", "objectid": 7898, "filename": "Cole_cw_1947.pdf", "mime_type": "application/pdf", "filesize": 10028997, "mtime": "2012-12-26 03:13:27", "url": "/4978/1/Cole_cw_1947.pdf" } ], "eprint_id": 4978, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cole_cw_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Cole_cw_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24408" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24408" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24408" } ] } }, { "id": "/id/document/24408", "doc_id": 24408, "rev_number": 2, "files": [ { "id": "/id/file/48577", "fileid": 48577, "datasetid": "document", "objectid": 24408, "filename": "preview.png", "mime_type": "image/png", "hash": "1010602d655ffc839934f77101e714e5", "hash_type": "MD5", "filesize": 4446, "mtime": "2012-12-26 03:13:26", "url": "/4978/2/preview.png" } ], "eprint_id": 4978, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7898" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7898" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7898" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/49/78", "datestamp": "2009-01-12", "lastmod": "2023-03-16 18:31:23", "status_changed": "2009-09-25 03:30:01", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Cole-Charles-Willard", "name": { "family": "Cole", "given": "Charles Willard" }, "show_email": "NO" }, { "id": "Levitt-Bernard-Barclay", "name": { "family": "Levitt", "given": "Bernard Barclay" }, "show_email": "NO" } ] }, "title": "Design of an Instrument for Measuring the True Vertical Velocity of an Airplane at Moment of Contact in Landing", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A dynamic longitudinal stability analysis is made for a Canard (tail forward) type airplane in steady horizontal flight at Mach numbers of 1.7 and 1.3. Four different wing configurations (Fig. 1) are investigated:\r\n\r\nCase I. Delta wing with the Mach wave ahead of the leading edge. The planform of the delta wing is characterized by one-half the apex angle, w[subscript o]. In this case it has been taken to be 18\u00b0.\r\n\r\nCase II. Delta wing with the Mach wave ahead of the leading edge (w[subscript o] = 25\u00b0).\r\n\r\nCase III. Delta wing with the Mach wave behind the leading edge (w[subscript o] = 54\u00b0).\r\n\r\nCase IV. Rectangular, bi-convex, wing with an aspect ratio of 2.\r\n\r\nThe shell or fuselage of the airplane consists of a conical nose and cylindrical afterbody with no boat tailing at the aft end. The stabilizing surface is hi-convex and rectangular in plan form with an aspect ratio of 2. Power is assumed to be supplied by a constant thrust jet motor. Other characteristics may be found in Table I.\r\n\r\nThe design of the airplane is based on the Mach number of 1.7 at an altitude of 30,000 ft. and a gross weight of 10,000 lbs. Static stability is assumed to be the major design variable. The dynamic stability is first investigated for a static stability just sufficient to allow a four-g maneuver without exceeding a 20 degree angle of attack on the fin. Then the static stability is increased in multiples of 2, 3, and 4, to establish a trend.\r\n\r\nIt is found that the effects of compressibility have a powerful influence on some of the coefficients of the stability quartic and hence on the dynamic stability, and that dynamic instability will result in certain cases regardless of the amount of static stability provided.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12122008-094038", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12122008-094038", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-12", "doi": "10.7907/55P1-6Z07", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-12", "thesis_defense_date": "1947-01-01", "thesis_approved_date": "2009-01-12", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Cole, Charles Willard and Levitt, Bernard Barclay" }, { "id": "/id/eprint/3531", "eprint_id": 3531, "rev_number": 15, "documents": [ { "id": "/id/document/6094", "doc_id": 6094, "rev_number": 2, "files": [ { "id": "/id/file/36386", "fileid": 36386, "datasetid": "document", "objectid": 6094, "filename": "Weldon_tf_1947.pdf", "mime_type": "application/pdf", "filesize": 2513090, "mtime": "2012-12-26 03:00:43", "url": "/3531/1/Weldon_tf_1947.pdf" } ], "eprint_id": 3531, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Weldon_tf_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Weldon_tf_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/22634" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/22634" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/22634" } ] } }, { "id": "/id/document/22634", "doc_id": 22634, "rev_number": 2, "files": [ { "id": "/id/file/36384", "fileid": 36384, "datasetid": "document", "objectid": 22634, "filename": "preview.png", "mime_type": "image/png", "hash": "4541de8fcbf15d57c076851e8ac84c83", "hash_type": "MD5", "filesize": 7309, "mtime": "2012-12-26 03:00:43", "url": "/3531/2/preview.png" } ], "eprint_id": 3531, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6094" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6094" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6094" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/35/31", "datestamp": "2005-09-14", "lastmod": "2023-03-16 22:50:42", "status_changed": "2009-09-25 03:00:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Weldon-Thomas-Franklin", "name": { "family": "Weldon", "given": "Thomas Franklin" }, "show_email": "NO" } ] }, "title": "The Performance of a Supersonic Airplane", "ispublished": "unpub", "full_text_status": "public", "keywords": "Electrical Engineering", "abstract": "This thesis is primarily a survey of the methods of calculating drag and performance of an airplane capable of supersonic flight. As a basis of presentation of the findings of this survey the drag and performance calculations are worked out for a single place airplane which has a rocket power plant, sweptback wings and other low drag features. These calculations reveal that this airplane should be able to attain a Mach number of 2 at an altitude of 42,000 feet.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-09142005-112442", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-09142005-112442", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2005-09-14", "doi": "10.7907/T271-MK09", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2005-09-14", "thesis_approved_date": "2005-09-14", "review_status": "approved", "option_major": { "items": [ "eleceng", "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Weldon, Thomas Franklin" }, { "id": "/id/eprint/1419", "eprint_id": 1419, "rev_number": 11, "documents": [ { "id": "/id/document/2149", "doc_id": 2149, "rev_number": 2, "files": [ { "id": "/id/file/13431", "fileid": 13431, "datasetid": "document", "objectid": 2149, "filename": "Cole_jd_1946.pdf", "mime_type": "application/pdf", "filesize": 2304374, "mtime": "2012-12-26 02:37:56", "url": "/1419/1/Cole_jd_1946.pdf" } ], "eprint_id": 1419, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Cole_jd_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Cole_jd_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18908" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18908" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18908" } ] } }, { "id": "/id/document/18908", "doc_id": 18908, "rev_number": 2, "files": [ { "id": "/id/file/13429", "fileid": 13429, "datasetid": "document", "objectid": 18908, "filename": "preview.png", "mime_type": "image/png", "hash": "ad8a7e3d95d6964cf34399046401fa46", "hash_type": "MD5", "filesize": 8350, "mtime": "2012-12-26 02:37:55", "url": "/1419/2/preview.png" } ], "eprint_id": 1419, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/2149" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/2149" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/2149" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/14/19", "datestamp": "2004-04-23", "lastmod": "2021-07-22 20:37:48", "status_changed": "2009-09-25 02:03:20", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Cole-Julian-David", "name": { "family": "Cole", "given": "Julian David" }, "show_email": "NO" } ] }, "title": "On the Transonic Flow Past Thin Airfoils", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "No Abstract Submitted", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-04202004-105048", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04202004-105048", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT", "Caltech Distinguished Alumni Award" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-04-23", "doi": "10.7907/7YQN-9C32", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-04-20", "thesis_defense_date": "1946-06-09", "thesis_approved_date": "2004-04-23", "thesis_awards": "Caltech Distinguished Alumni Award, 1971", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "option_minor": { "items": [ "math" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Cole, Julian David" }, { "id": "/id/eprint/310", "eprint_id": 310, "rev_number": 13, "documents": [ { "id": "/id/document/462", "doc_id": 462, "rev_number": 3, "files": [ { "id": "/id/file/2952", "fileid": 2952, "datasetid": "document", "objectid": 462, "filename": "Bowie_jm_1947.pdf", "mime_type": "application/pdf", "filesize": 32764544, "mtime": "2012-12-26 02:28:48", "url": "/310/1/Bowie_jm_1947.pdf" } ], "eprint_id": 310, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Bowie_jm_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17288" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17288" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17288" } ] } }, { "id": "/id/document/17288", "doc_id": 17288, "rev_number": 2, "files": [ { "id": "/id/file/2950", "fileid": 2950, "datasetid": "document", "objectid": 17288, "filename": "preview.png", "mime_type": "image/png", "hash": "bb2eee6ef3825291bed1887985a5ecc9", "hash_type": "MD5", "filesize": 4196, "mtime": "2012-12-26 02:28:48", "url": "/310/2/preview.png" } ], "eprint_id": 310, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/462" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/462" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/462" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/10", "datestamp": "2009-01-26", "lastmod": "2023-03-17 17:58:40", "status_changed": "2009-09-25 01:33:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bowie-James-Monfort", "name": { "family": "Bowie", "given": "James Monfort" }, "show_email": "NO" }, { "id": "Huestis-Gerald-Stephen", "name": { "family": "Huestis", "given": "Gerald Stephen" }, "show_email": "NO" } ] }, "title": "Gas Generation by Chemical Reaction for Pressurizing Liquid Rocket Propellants", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This report is devoted to presenting the results of an investigation directed toward the design of a chemical gas generation system for the Wac Corporal. In this case the function of gas generation is to provide the necessary pressure to inject the propellants into the rocket motor.
\r\n\r\nThe investigation indicates that gas can be generated in the main acid tank of the Wac by injection of a controlled amount of aniline to react with the acid. This aniline is injected at the bottom of the acid tank, and is supplied from a small pressure cell contained integrally with the injector and aniline flow regulator. Tests show that this system is able to regulate the flow of aniline into the acid tank to maintain a pressure on the propellants with \u00b120 psi. of the desired value.
\r\n\r\nA proposed package unit for installation on the Wac Corporal is shown in Fig 1. This unit contains all the parts necessary for the gas generation function, and its installed weight including the aniline, is estimated to be eight lbs.
\r\n\r\nThe importance of the installation of such a unit on the Wac is seen when it is realized that the total weight of the gas generation system, including the acid used, will be approximately 25 lbs. This system will replace the 90 lb. air pressurization unit now being used to pressurize the propellants and it will represent a 65 lb. reduction in initial gross weight. Such a weight reduction will lead to greatly improved rocket performance.
\r\n\r\nThis report does not attempt to determine the range of gross weights, over which gas generation systems will prove superior to other methods of propellant pressurization. It is felt, however, that a definite upper and lower limit on missile gross weight does exist for which gas generation will be applicable.
\r\n\r\nThe Wac Corporal is a sounding rocket of 590 lbs. gross weight using red fuming nitric acid and aniline as propellants. It was designed at the California Institute of Technology Jet Propulsion Laboratory.
", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-01232009-100935", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01232009-100935", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-26", "doi": "10.7907/7T6E-3D20", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-23", "thesis_approved_date": "2009-01-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Bowie, James Monfort and Huestis, Gerald Stephen" }, { "id": "/id/eprint/4877", "eprint_id": 4877, "rev_number": 13, "documents": [ { "id": "/id/document/7766", "doc_id": 7766, "rev_number": 2, "files": [ { "id": "/id/file/47730", "fileid": 47730, "datasetid": "document", "objectid": 7766, "filename": "Pollock_ad_1947.pdf", "mime_type": "application/pdf", "filesize": 8335349, "mtime": "2012-12-26 03:12:34", "url": "/4877/1/Pollock_ad_1947.pdf" } ], "eprint_id": 4877, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Pollock_ad_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Pollock_ad_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24285" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24285" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24285" } ] } }, { "id": "/id/document/24285", "doc_id": 24285, "rev_number": 2, "files": [ { "id": "/id/file/47728", "fileid": 47728, "datasetid": "document", "objectid": 24285, "filename": "preview.png", "mime_type": "image/png", "hash": "5f7076e3e27f195ac5e91c5be04f3ff4", "hash_type": "MD5", "filesize": 8355, "mtime": "2012-12-26 03:12:34", "url": "/4877/2/preview.png" } ], "eprint_id": 4877, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7766" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7766" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7766" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/77", "datestamp": "2009-01-07", "lastmod": "2023-03-16 22:00:34", "status_changed": "2009-09-25 03:27:39", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Pollock-Albert-David", "name": { "family": "Pollock", "given": "Albert David" }, "show_email": "NO" }, { "id": "Reck-Floyd-Francis", "name": { "family": "Reck", "given": "Floyd Francis" }, "show_email": "NO" } ] }, "title": "A Study of Methods to Increase the Lift of Supersonic Airfoils at Low Speeds", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This thesis presents a study of the problem of improving the lift characteristics of a supersonic wing at low speeds. Trailing edge split flaps, nose flaps, and boundary layer control were investigated singularly and together using the optimum configuration of each.\r\n\r\nResults indicate that the nose flap has an appreciable effect on preventing separation and thus increasing the lift. Split flaps give an increment of lift as would be expected. The boundary layer control consisted of blowing a sheet of high velocity air back over the top surface of the wing with very definite improvements of the lift and drag characteristics.\r\n\r\nThe work on the blowing technique, it is suggested, indicates sufficient promise to warrant much further study. The relatively large increment of lift that can be attributed to the prevention of flow separation at high angles of attack suggests that such boundary layer control could be used to improve controlability and to delay the stall, particularly tip stall, of high speed aircraft with very large sweep back angles.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-083805", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-083805", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-07", "doi": "10.7907/J3NG-DD26", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Nagamatsu-H-T", "name": { "family": "Nagamatsu", "given": "Henry T." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2009-01-07", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Pollock, Albert David and Reck, Floyd Francis" }, { "id": "/id/eprint/4878", "eprint_id": 4878, "rev_number": 11, "documents": [ { "id": "/id/document/7767", "doc_id": 7767, "rev_number": 2, "files": [ { "id": "/id/file/47738", "fileid": 47738, "datasetid": "document", "objectid": 7767, "filename": "Ponsford_ht_1947.pdf", "mime_type": "application/pdf", "filesize": 11033664, "mtime": "2012-12-26 03:12:34", "url": "/4878/1/Ponsford_ht_1947.pdf" } ], "eprint_id": 4878, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ponsford_ht_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Ponsford_ht_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24286" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24286" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24286" } ] } }, { "id": "/id/document/24286", "doc_id": 24286, "rev_number": 2, "files": [ { "id": "/id/file/47736", "fileid": 47736, "datasetid": "document", "objectid": 24286, "filename": "preview.png", "mime_type": "image/png", "hash": "794c3466bfd2759a0e75b19e0f3d227e", "hash_type": "MD5", "filesize": 7825, "mtime": "2012-12-26 03:12:34", "url": "/4878/2/preview.png" } ], "eprint_id": 4878, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7767" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7767" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7767" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/78", "datestamp": "2008-12-24", "lastmod": "2023-03-16 22:07:45", "status_changed": "2009-09-25 03:27:40", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ponsford-Henry-Thomas", "name": { "family": "Ponsford", "given": "Henry Thomas" }, "show_email": "NO" } ] }, "title": "A Study of Some Problems Affecting the Design of Wings for Transonic Aircraft", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "A survey of the literature concerning the design of wings for transonic aircraft is made. The problems investigated were 1) for the transonic wing: reduction of drag at high subsonic Mach numbers; achievement of high maximum lift coefficient and stability at low speeds; and determination of air loads in compressible subsonic flow, 2) for the supersonic wing: determination of flow fields at transonic Mach numbers; achievement of adequate low speed performance of a supersonic wing; and determination of air loads at transonic speeds, and 3) structural problems of both types of wings. The extent of present knowledge is outlined, and future fields of desirable research is indicated. A bibliography of reports pertaining to transonic wing design, accompanied by brief summaries is given. A supplementary bibliography of other reports of general interest to transonic wings is also presented.", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-085825", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-085825", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/3HNE-5E94", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Martin-H-C", "name": { "family": "Martin", "given": "Harold Clifford" }, "role": "advisor" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "advisor" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Martin-H-C", "name": { "family": "Martin", "given": "Harold Clifford" }, "role": "chair" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "member" }, { "id": "Housner-G-W", "name": { "family": "Housner", "given": "George W." }, "role": "member" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "member" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Ponsford, Henry Thomas" }, { "id": "/id/eprint/4886", "eprint_id": 4886, "rev_number": 13, "documents": [ { "id": "/id/document/7783", "doc_id": 7783, "rev_number": 2, "files": [ { "id": "/id/file/47808", "fileid": 47808, "datasetid": "document", "objectid": 7783, "filename": "Griffing_cw_1947.pdf", "mime_type": "application/pdf", "filesize": 20266945, "mtime": "2012-12-26 03:12:38", "url": "/4886/1/Griffing_cw_1947.pdf" } ], "eprint_id": 4886, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Griffing_cw_1947.pdf", "language": "en", "security": "public", "license": "other", "main": "Griffing_cw_1947.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24294" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24294" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24294" } ] } }, { "id": "/id/document/24294", "doc_id": 24294, "rev_number": 2, "files": [ { "id": "/id/file/47806", "fileid": 47806, "datasetid": "document", "objectid": 24294, "filename": "preview.png", "mime_type": "image/png", "hash": "e3d16cd88a4fa53aad5fbfd0e3167b04", "hash_type": "MD5", "filesize": 11150, "mtime": "2012-12-26 03:12:38", "url": "/4886/2/preview.png" } ], "eprint_id": 4886, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7783" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7783" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7783" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/48/86", "datestamp": "2008-12-24", "lastmod": "2023-03-16 20:06:33", "status_changed": "2009-09-25 03:27:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Griffing-Charles-W", "name": { "family": "Griffing", "given": "Charles W." }, "show_email": "NO" }, { "id": "Wilburn-William-Clarence", "name": { "family": "Wilburn", "given": "William Clarence" }, "show_email": "NO" }, { "id": "Purdon-David", "name": { "family": "Purdon", "given": "David" }, "show_email": "NO" }, { "id": "McLaughlin-Earl-Wilson", "name": { "family": "McLaughlin", "given": "Earl Wilson" }, "show_email": "NO" } ] }, "title": "An Application of the Method of Characteristics to Axially Symmetric Supersonic Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The method of characteristics for three dimensional axially symmetric bodies was used to determine the velocity distribution about the nose of the Corporal E rocket, a rocket projectile, for Mach numbers 2 and 4. From the velocities the pressure distribution was determined and a drag coefficient computed.\r\n\r\nFor a starting point the nose of the projectile was approximated for a short distance by a cone and the Taylor-Maccoll solution to this problem was used. This solution gave the angle of shockwave and the body. The Sauer graphical-numerical iteration method was used for the remainder of the solution.\r\n\r\nPreliminary calculations and the work for Mach number 3 were carried out by Dr. H. K. Forster to whom we are indebted for instruction and aid with this work.\r\n", "date": "1947", "date_type": "degree", "id_number": "CaltechETD:etd-12082008-150626", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12082008-150626", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-24", "doi": "10.7907/GTHG-VM56", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-08", "thesis_approved_date": "2008-12-24", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1947", "author_list": "Griffing, Charles W.; Wilburn, William Clarence; et el." }, { "id": "/id/eprint/4723", "eprint_id": 4723, "rev_number": 13, "documents": [ { "id": "/id/document/7598", "doc_id": 7598, "rev_number": 2, "files": [ { "id": "/id/file/46515", "fileid": 46515, "datasetid": "document", "objectid": 7598, "filename": "Parker_jf_1946.pdf", "mime_type": "application/pdf", "filesize": 26163230, "mtime": "2012-12-26 03:11:18", "url": "/4723/1/Parker_jf_1946.pdf" } ], "eprint_id": 4723, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Parker_jf_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Parker_jf_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24117" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24117" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24117" } ] } }, { "id": "/id/document/24117", "doc_id": 24117, "rev_number": 2, "files": [ { "id": "/id/file/46513", "fileid": 46513, "datasetid": "document", "objectid": 24117, "filename": "preview.png", "mime_type": "image/png", "hash": "f5a79aa3a98e7ae83b61af4cf61a439f", "hash_type": "MD5", "filesize": 11062, "mtime": "2012-12-26 03:11:17", "url": "/4723/2/preview.png" } ], "eprint_id": 4723, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7598" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7598" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7598" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/23", "datestamp": "2008-12-17", "lastmod": "2023-11-10 20:15:58", "status_changed": "2009-09-25 03:24:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Parker-James-Frederick", "name": { "family": "Parker", "given": "James Frederick" }, "show_email": "NO" }, { "id": "Anderson-John-Berwick", "name": { "family": "Anderson", "given": "John Berwick" }, "show_email": "NO" }, { "id": "Tunnell-Richard-McClellan", "name": { "family": "Tunnell", "given": "Richard McClellan" }, "show_email": "NO" }, { "id": "Vincent-Harry-Lansing", "name": { "family": "Vincent", "given": "Harry Lansing" }, "show_email": "NO" } ] }, "title": "An Investigation of the Effects of the Sudden Extension of a Dive-Recovery Flap on the Aerodynamic Characteristics of a Symmetrical Airfoil in Two Dimensional Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This report presents the results of an investigation of the aerodynamic characteristics of the NACA symmetrical laminar flow 65,1-012 airfoil. The model was tested with and without a dive recovery flap. The effects obtained by suddenly extending the flap are compared to those obtained with the flap set down in position. The tests cover a range of angle of attack from zero to plus three degrees while the Mach number was varied from 0.5 to 0.8.
\r\n\r\nThe following conclusions were reached:
\r\n\r\n1. The lift curve for the airfoil with no flap is essentially a straight line.
\r\n\r\n2. A flap suddenly extended produces aerodynamic effects which are different from those produced by a flap which is set. Whenever model test results are to be used to produce design information to be incorporated in full scale aircraft, the dive recovery flaps on the model should be equivalent to those on the full scale airplane in regard to dimensional proportions and to the method and timing of operation, if a high degree of accuracy is desired.
This investigation was carried out by the authors at the Guggenheim Aeronautical Laboratory of the California Institute of Technology during the school year 1945-46.
", "date": "1946-06", "date_type": "degree", "id_number": "CaltechETD:etd-12022008-102010", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12022008-102010", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-17", "doi": "10.7907/DJD3-KV06", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-02", "thesis_approved_date": "2008-12-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1946", "author_list": "Parker, James Frederick; Anderson, John Berwick; et el." }, { "id": "/id/eprint/4652", "eprint_id": 4652, "rev_number": 12, "documents": [ { "id": "/id/document/7503", "doc_id": 7503, "rev_number": 2, "files": [ { "id": "/id/file/45883", "fileid": 45883, "datasetid": "document", "objectid": 7503, "filename": "Halvorson_gg_1946.pdf", "mime_type": "application/pdf", "filesize": 7740796, "mtime": "2012-12-26 03:10:36", "url": "/4652/1/Halvorson_gg_1946.pdf" } ], "eprint_id": 4652, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Halvorson_gg_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Halvorson_gg_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24022" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24022" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24022" } ] } }, { "id": "/id/document/24022", "doc_id": 24022, "rev_number": 2, "files": [ { "id": "/id/file/45881", "fileid": 45881, "datasetid": "document", "objectid": 24022, "filename": "preview.png", "mime_type": "image/png", "hash": "853046f28517e9917ed70e8d04fb0170", "hash_type": "MD5", "filesize": 8558, "mtime": "2012-12-26 03:10:36", "url": "/4652/2/preview.png" } ], "eprint_id": 4652, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7503" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7503" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7503" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/52", "datestamp": "2008-12-05", "lastmod": "2023-11-10 20:05:51", "status_changed": "2009-09-25 03:22:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Halvorson-George-Grandchamp", "name": { "family": "Halvorson", "given": "George Grandchamp" }, "show_email": "NO" }, { "id": "Sledge-Edward-Cress", "name": { "family": "Sledge", "given": "Edward Cress" }, "show_email": "NO" } ] }, "title": "Studies on the Performance of a Rocket Propelled Orbiting Missile", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text of symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\n\r\nThis report is a study of the performance requirements necessary to launch a rocket propelled missile into a circular orbit about the earth. Various trajectories by which a missile can be launched into such an orbit are investigated and an estimation is made of the minimum propellant-gross weight ratio required to reach stable orbital conditions at various altitudes.\r\n\r\nThe velocity of a projectile traveling about the earth in a circular orbit must be such that its weight is exactly balanced by the centrifugal force acting upon it. The expression for the required velocity, relative to a non-rotating earth, can be derived from the following figure.\r\n\r\n[...].\r\n\r\n\r\nBy the law of Conservation of Energy, such an orbit, once obtained, must remain circular unless influenced by additional forces. The action of atmospheric drag would be to cause a continual loss of energy; this loss would be made up at the expense of potential energy, causing the projectile to move in toward the earth in a contracting spiral. It can be shown (of. ref. 2) that, for altitudes greater than one hundred and twenty miles, the rate of this contraction is negligible.\r\n\r\nThe practical applications of an orbiting missile are numerous. A few are as follows:\r\n\r\na) A radio relay station for television and other high frequency communication.\r\nb) To carry instruments for continuous measurement of upper atmospheric phenomena.\r\nc) A military weapon of unlimited range, provided it can be brought back to earth at will.\r\n\r\nThe possibility of launching a vehicle into a circular orbit by means of rocket propulsion depends primarily upon the conditions of propellant consumption which are required to reach a stable orbital velocity. These conditions are:\r\n\r\na) Propellant characteristics (in particular, specific impulse).\r\nb) Rate of propellant consumption.\r\nc) Propellant-gross weight ratio.\r\n\t\r\nThe velocity necessary for a circular orbit is in the neighborhood of 26,000 ft/sec. For an unboosted rocket with an uniform burning rate the terminal velocity (neglecting drag and gravity forces) is given by [...] where [...] is assumed constant. If we take [...] to be equal to 400 sec., a representative value for a rocket fuel consisting of oxygen and hydrogen, the value of [...], the propellant-gross weight ratio, corresponding to [...] =26,000 ft/sec., is [...]=. 0.867. Thus, even with the most powerful rocket fuel, the required propellant gross weight ratio is very high, and the importance of a more careful estimation of this ratio is evident.\r\n\r\nA comprehensive analysis of the important factors which influence the performance of an orbiting rocket has been made by W. Z. Chien of GALCIT. In this analysis, Dr. Chien considered a vertical trajectory as a first approximation in obtaining estimates of the altitude of the circular orbit and of the propellant-gross weight ratio required (cf. ref. 2).\r\n\r\nThis report extends the considerations of Chien's work to oblique trajectories of various types, all of which terminate at the end of burning with the proper velocity conditions for a circular orbit. The first part of the report is a recapitulation of Chien's analysis. The second part deals with the characteristics of various oblique trajectories by which a rocket may be launched directly into a circular orbit; and the third part analyses a procedure whereby the rocket is launched into an elliptical orbit near its perihelion, is allowed to travel as a free body around the earth to the aphelion of the ellipse and then, by an additional boost of velocity, is projected into a circular orbit.\r\n", "date": "1946-06", "date_type": "degree", "id_number": "CaltechETD:etd-11242008-082343", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11242008-082343", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-05", "doi": "10.7907/Z8SA-3358", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-24", "thesis_approved_date": "2008-12-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1946", "author_list": "Halvorson, George Grandchamp and Sledge, Edward Cress" }, { "id": "/id/eprint/4195", "eprint_id": 4195, "rev_number": 12, "documents": [ { "id": "/id/document/6906", "doc_id": 6906, "rev_number": 2, "files": [ { "id": "/id/file/41952", "fileid": 41952, "datasetid": "document", "objectid": 6906, "filename": "Hoffman_cc_1946.pdf", "mime_type": "application/pdf", "filesize": 4841429, "mtime": "2012-12-26 03:06:19", "url": "/4195/1/Hoffman_cc_1946.pdf" } ], "eprint_id": 4195, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hoffman_cc_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Hoffman_cc_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23437" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23437" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23437" } ] } }, { "id": "/id/document/23437", "doc_id": 23437, "rev_number": 2, "files": [ { "id": "/id/file/41950", "fileid": 41950, "datasetid": "document", "objectid": 23437, "filename": "preview.png", "mime_type": "image/png", "hash": "cbad4cd76d6cbabdcc97f7db61dbf3c4", "hash_type": "MD5", "filesize": 10425, "mtime": "2012-12-26 03:06:19", "url": "/4195/2/preview.png" } ], "eprint_id": 4195, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/6906" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/6906" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/6906" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/41/95", "datestamp": "2008-10-21", "lastmod": "2023-11-10 20:06:30", "status_changed": "2009-09-25 03:13:22", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hoffman-Charles-Calvin", "name": { "family": "Hoffman", "given": "Charles Calvin" }, "show_email": "NO" }, { "id": "Gillette-Edmond Stephen", "name": { "family": "Gillette", "given": "Edmond Stephen" }, "show_email": "NO" } ] }, "title": "A Study of Porous Metal Cooling", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This investigation was conducted to study the flow rate necessary to maintain a sweat cooled metal at an equilibrium temperature when subjected to a high gas temperature. The study was limited to fundamental tests on copper, bronze, and stainless steel porous metal specimens which were the only types available at this time. Water cooling was used throughout the investigation.
\r\n\r\nConclusions of a qualitative nature were obtained which show that water flow rate is a primary factor in maintaining sweat cooled metals at equilibrium temperature, and that metal thermal conductivity has but slight effect. The feasibility of the sweat cooling technique was proven by the fact that a water flow rate of less than 0.1 cc/in.^2-sec was required to satisfactorily cool a porous metal surface subjected to a potential heat transfer of 1.0 BTU/in.^2-sec.
", "date": "1946-06", "date_type": "degree", "id_number": "CaltechETD:etd-10202008-150040", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-10202008-150040", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-10-21", "doi": "10.7907/PF1D-8T69", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Duwez-P-E", "name": { "family": "Duwez", "given": "Pol E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-10-20", "thesis_approved_date": "2008-10-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1946", "author_list": "Hoffman, Charles Calvin and Gillette, Edmond Stephen" }, { "id": "/id/eprint/4726", "eprint_id": 4726, "rev_number": 12, "documents": [ { "id": "/id/document/7601", "doc_id": 7601, "rev_number": 2, "files": [ { "id": "/id/file/46534", "fileid": 46534, "datasetid": "document", "objectid": 7601, "filename": "Winson_j_1946.pdf", "mime_type": "application/pdf", "filesize": 2499021, "mtime": "2012-12-26 03:11:19", "url": "/4726/1/Winson_j_1946.pdf" } ], "eprint_id": 4726, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Winson_j_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Winson_j_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24120" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24120" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24120" } ] } }, { "id": "/id/document/24120", "doc_id": 24120, "rev_number": 2, "files": [ { "id": "/id/file/46532", "fileid": 46532, "datasetid": "document", "objectid": 24120, "filename": "preview.png", "mime_type": "image/png", "hash": "13aeb60316708219acdaeab5900f4f4f", "hash_type": "MD5", "filesize": 11301, "mtime": "2012-12-26 03:11:19", "url": "/4726/2/preview.png" } ], "eprint_id": 4726, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7601" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7601" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7601" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/26", "datestamp": "2008-12-18", "lastmod": "2023-11-10 20:21:04", "status_changed": "2009-09-25 03:25:00", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Winson-Jonathan", "name": { "family": "Winson", "given": "Jonathan" }, "show_email": "NO" } ] }, "title": "Motion of an Unarticulated Helicopter Blade with Application to the Problem of Vibration of the Rigid Rotor Helicopter", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The present investigation concerns itself almost completely with the derivation and solution of the equations of motion of the helicopter blade. The fluctuating aerodynamic forces which cause flapping in the hinged rotor bend the blades of the rigid rotor in a vertical plane. The effect of the bending is to cause fluctuating moments on the rotor hub. This pure bending oscillation is the most obvious cause of vibration and is treated here. Coupled motions are not considered and are effectively eliminated by the assumption that the mass center, aerodynamic center and elastic axis are at the point on each cross section of the blade and that the elastic axis is a straight line.
\r\n\r\nAlthough this work was undertaken to investigate rotor vibration, it has broader significance. It is, in effect, the essential step which makes possible the rational analysis of all rigid rotor dynamics and aerodynamics. It is directly comparable in importance to the solution of the problem of the blade flapping motion in hinged rotor work. For example, once the bending of the blade in forward flight is known such information as
\r\n\r\n1. Fatigue stresses in the blades
\r\n2. Control lag angle required
\r\n3. Maximum deflection of the blades, etc.
\r\n\r\nis immediately available.
In this report it is shown that water injection into the rocket motor of a rocket propelled torpedo increases the range at a given speed. For a 5000 lb. torpedo having a 1750 lb. warhead, the use of a hydrogen peroxide-nitromethane-water combination yields a range about 50 percent above that which would be obtained by the use of nitromethane or of acid-aniline propellants.
\r\n\r\nTheoretically, the use of water injection increases the specific thrust, i.e., thrust per unit mass rate of flow of propellant carried. The specific thrust is increases by water injection up to 18.5 percent for nitromethane and up to 89.1 percent for liquid oxygen and octane; the specific thrust for acid and aniline, at a mixture ratio of 3, is increases up to 27.1%.
\r\n\r\nData calculated from experimental work in connection with gas generation has shown that the increase of specific thrust for nitromethane is up to about 11.7% at L* = 868; the specific thrust measured in connection with gas generation work using acid and aniline, at a mixture ratio of 3, is increased 24.8%.
", "date": "1946-06", "date_type": "degree", "id_number": "CaltechETD:etd-12222008-142415", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12222008-142415", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/JQ1R-6A08", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-22", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1946", "author_list": "Olsen, Leslie Richard" }, { "id": "/id/eprint/5133", "eprint_id": 5133, "rev_number": 13, "documents": [ { "id": "/id/document/8133", "doc_id": 8133, "rev_number": 2, "files": [ { "id": "/id/file/50077", "fileid": 50077, "datasetid": "document", "objectid": 8133, "filename": "Kleiss_nj_1946.pdf", "mime_type": "application/pdf", "filesize": 49015378, "mtime": "2012-12-26 03:15:10", "url": "/5133/1/Kleiss_nj_1946.pdf" } ], "eprint_id": 5133, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kleiss_nj_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Kleiss_nj_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24638" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24638" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24638" } ] } }, { "id": "/id/document/24638", "doc_id": 24638, "rev_number": 2, "files": [ { "id": "/id/file/50075", "fileid": 50075, "datasetid": "document", "objectid": 24638, "filename": "preview.png", "mime_type": "image/png", "hash": "1a3f78b25aad5212b6658f731839ff66", "hash_type": "MD5", "filesize": 7430, "mtime": "2012-12-26 03:15:10", "url": "/5133/2/preview.png" } ], "eprint_id": 5133, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8133" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8133" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8133" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/33", "datestamp": "2009-01-15", "lastmod": "2023-11-10 20:09:56", "status_changed": "2009-09-25 03:34:03", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kleiss-Norman-Jack", "name": { "family": "Kleiss", "given": "Norman Jack" }, "show_email": "NO" }, { "id": "Kerkering-Stanley-William", "name": { "family": "Kerkering", "given": "Stanley William" }, "show_email": "NO" } ] }, "title": "Some Studies of Expansion Rings in Rocket Motors", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The purpose of this investigation was to investigate the stresses encountered for a semicircular expansion joint for a rocket motor. Information was desired to relate these stresses to the various parameters of the problem.
\r\n\r\nThe stresses involved in this design were found to approximate those indicated by the exact membrane theory. The specimen having the lesser thickness was found to agree more closely with the exact membrane theory, and gave the lowest value of stresses.
\r\n\r\nAn empirical method of membrane analysis, based on deformation profiles, was developed. This method is applicable for stresses slightly above the elastic limit and may be extrapolated for higher values.
\r\n\r\nThe design tested was found to be inherently unsatisfactory on the basis of tests and theoretical considerations.
\r\n\r\nAn alternative design was indicated which would have lower values of stress for a given value of deformation, and which could be designed strictly on the basis of theoretical calculations.
", "date": "1946-06", "date_type": "degree", "id_number": "CaltechETD:etd-12242008-094536", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12242008-094536", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/CD3E-ZE50", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-24", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1946", "author_list": "Kleiss, Norman Jack and Kerkering, Stanley William" }, { "id": "/id/eprint/4673", "eprint_id": 4673, "rev_number": 15, "documents": [ { "id": "/id/document/7539", "doc_id": 7539, "rev_number": 2, "files": [ { "id": "/id/file/46104", "fileid": 46104, "datasetid": "document", "objectid": 7539, "filename": "Weitzenfeld_dk_1946.pdf", "mime_type": "application/pdf", "filesize": 34072757, "mtime": "2012-12-26 03:10:51", "url": "/4673/1/Weitzenfeld_dk_1946.pdf" } ], "eprint_id": 4673, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Weitzenfeld_dk_1946.pdf", "language": "en", "security": "public", "license": "other", "main": "Weitzenfeld_dk_1946.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24058" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24058" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24058" } ] } }, { "id": "/id/document/24058", "doc_id": 24058, "rev_number": 2, "files": [ { "id": "/id/file/46102", "fileid": 46102, "datasetid": "document", "objectid": 24058, "filename": "preview.png", "mime_type": "image/png", "hash": "487fb5aa4f9a86cfe263d091b30a6409", "hash_type": "MD5", "filesize": 10767, "mtime": "2012-12-26 03:10:51", "url": "/4673/2/preview.png" } ], "eprint_id": 4673, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7539" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7539" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7539" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/73", "datestamp": "2008-12-17", "lastmod": "2023-11-10 20:20:20", "status_changed": "2009-09-25 03:23:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Weitzenfeld-Daniel-Kehr", "name": { "family": "Weitzenfeld", "given": "Daniel Kehr" }, "show_email": "NO" }, { "id": "Trauger-Robert-James", "name": { "family": "Trauger", "given": "Robert James" }, "show_email": "NO" }, { "id": "Kronmiller-George-Hannibal", "name": { "family": "Kronmiller", "given": "George Hannibal" }, "show_email": "NO" } ] }, "title": "The Effect of Dive Recovery Flaps on the Lift of a Two Dimensional Symmetrical Airfoil with Changes in Chordwise Location of the Flaps", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nIt was desired in this investigation to determine the effect of the chordwise position of dive recovery flaps on the lift of a laminar flow, low drag, two-dimensional airfoil at high subsonic Mach numbers. Schlieren pictures were taken to relate the formation, extension and strength of shock waves to the measured lift. Tests were made on a four inch chord airfoil of section 65,1-012 at Mach numbers from .50 to .83, a Reynolds number of 1,600,000 at M[subscript o] = 0.7, angles of attack from 1 to 3 degrees, and flap locations at 15%, 30%, and 45% chord; the flap is 10% of the chord.
\r\n\r\nThe investigation was carried out by the authors at the Guggenheim Aeronautical Laboratory of the California Institute of Technology during the school year 1945-1946.
\r\n\r\nIt was concluded that dive recovery flaps materially increase the lift of an airfoil, and there is an optimum flap location for maximum lift and one for maximum [\u2026]. Moreover, it was concluded that the formation and development of shock waves is directly related to the lift, but that the successive development of the shock wave pattern as a function of Mach number is independent of angle of attack or flap location; the Mach number for initial shock formation varies. Finally, in this tunnel where the thickness of the boundary layer is a large percent of the tunnel width the correction for non-uniform spanwise lift distribution must be investigated more carefully before absolute lift values can be computed.
", "date": "1946", "date_type": "degree", "id_number": "CaltechETD:etd-11262008-112929", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11262008-112929", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-17", "doi": "10.7907/CV3E-KC83", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-26", "thesis_approved_date": "2008-12-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. 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19:48:28", "status_changed": "2014-10-28 22:29:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gibson-Charles-Edward", "name": { "family": "Gibson", "given": "Charles Edward" }, "show_email": "NO" }, { "id": "Knapp-Elton-Lewis", "name": { "family": "Knapp", "given": "Elton Lewis" }, "show_email": "NO" }, { "id": "Woodhull-Roger-Blake", "name": { "family": "Woodhull", "given": "Roger Blake" }, "show_email": "NO" } ] }, "title": "A Report on Increasing the Thrust of a Turbojet Engine by Combustion of Fuel in the The Tail Pipe", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering) ; turbojet engine thrust ; fuel combustion ; tailpipe ; Power Plant Laboratory Project MX527", "note": "P.P. Lab Project MX527 [i.e. Power Plant Laboratory Project MX527]. JPL-GALCIT. Report No. 3-1. Unclassified.\r\n\r\nThis experimental work was performed at the California Institute of Technology Thermojet Laboratory during the period March, 1945 to June, 1945.\r\n\r\nThe authors are indebted to R. F. Tangren, R. C. Terbeck, Ivan Weeks, and other members of the staff of the Jet Propulsion Laboratory for their assistance and helpful suggestions. In particular, they wish to thank Ivan Weeks for his advice and for the use of the pilot burner and developments originated by him.", "abstract": "The purpose of this work was to develop a means of increasing the thrust of a turbojet engine by burning kerosene in the tail pipe.
\r\n\r\nA combustion system was developed which gave the following results:
\r\n(l) Maximum thrust increase using a G.E. I-14 engine was 64 per cent over straight tail pipe thrust corresponding\r\nto 42 per cent increase over the normal engine thrust. This increase was accomplished at an engine rpm of 12,000.
\r\n(2) Increase of maximum thrust obtained was 51 per cent over the straight tail pipe thrust corresponding to 23 per cent\r\nover the normal engine thrust. This increase was accomplished at an engine rpm of l6,000.
\r\n(3) For the thrust increases mentioned in (1) and (2) above, increases of Specific Fuel Consumption were 66 per cent\r\nand 76 per cent respectively over normal engine SFC.
This thesis is a report on one phase of a program on the self-excited oscillations of an airfoil. This program was sponsored by the National Advisory Committee for Aeronautics at the California Institute of Technology. This thesis covers the torsional oscillations of an elastically suspended airfoil.
\r\n\r\nThe experimental work consisted of measurements of the amplitude of torsional oscillations of a wing elastically suspended in the airstream of a wind tunnel so as to be capable of torsional oscillations only. The results show that torsional oscillations occur at all velocities above a critical velocity and increase in amplitude with velocity without reaching any apparent limit.
\r\n\r\nGlauert's theory of the forces on an oscillating airfoil do not agree with the experimental results obtained. This theory indicates that oscillations below the stall will not occur for the values of V/nb studied here, whereas the experiments indicate that oscillations do exist.
", "date": "1945", "date_type": "degree", "id_number": "CaltechETD:etd-11252008-110010", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11252008-110010", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-16", "doi": "10.7907/0HEH-TC15", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-25", "thesis_approved_date": "2008-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. 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"userid": 87, "dir": "disk0/00/00/92/23", "datestamp": "2015-10-20 21:45:11", "lastmod": "2023-11-10 19:52:34", "status_changed": "2015-10-20 21:45:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Leydon-John-Koebig", "name": { "family": "Leydon", "given": "John Koebig" }, "show_email": "NO" }, { "id": "Miller-Walter-Bernard", "name": { "family": "Miller", "given": "Walter Bernard" }, "show_email": "NO" } ] }, "title": "An Investigation of Wind Tunnel Wall Effects at High Mach Numbers", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This paper presents the results of an investigation of \r\nwind tunnel wall interference in a two-dimensional wind tunnel\r\nat high Mach numbers. The results are presented in the form of\r\ncurves of lift coefficient versus the ratio of model chord to\r\ntunnel height, as functions of Mach number and angle of attack.\r\nThe investigation was carried out by the authors at the\r\nGuggenheim Aeronautical Laboratory of the California Institute\r\nof Technology during the school year 1944-45.
\r\n\r\nTests were carried out on the NACA low drag airfoil\r\nsection 65,1-012 at Mach numbers from .60 to .80, and angles of\r\nattack of from 1 to 3 degrees. Models were 1\", 2\", 4\" and 6\"\r\nchord, giving values of the chord to tunnel height ration of .1\r\nto .6. Schlieren photographs were made of shock waves where they\r\noccurred.
", "date": "1945", "date_type": "degree", "id_number": "CaltechTHESIS:10162015-093151774", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:10162015-093151774", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2015-10-20 21:45:11", "doi": "10.7907/HNBB-CK44", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" }, { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1945-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1945", "author_list": "Leydon, John Koebig and Miller, Walter Bernard" }, { "id": "/id/eprint/4665", "eprint_id": 4665, "rev_number": 18, "documents": [ { "id": "/id/document/7528", "doc_id": 7528, "rev_number": 3, "files": [ { "id": "/id/file/46033", "fileid": 46033, "datasetid": "document", "objectid": 7528, "filename": "Ours_sr_1944.pdf", "mime_type": "application/pdf", "filesize": 9966931, "mtime": "2012-12-26 03:10:47", "url": "/4665/1/Ours_sr_1944.pdf" } ], "eprint_id": 4665, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Ours_sr_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24047" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24047" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24047" } ] } }, { "id": "/id/document/24047", "doc_id": 24047, "rev_number": 2, "files": [ { "id": "/id/file/46031", "fileid": 46031, "datasetid": "document", "objectid": 24047, "filename": "preview.png", "mime_type": "image/png", "hash": "4698a7bc3387d333896b5c284ee7e718", "hash_type": "MD5", "filesize": 6098, "mtime": "2012-12-26 03:10:47", "url": "/4665/2/preview.png" } ], "eprint_id": 4665, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7528" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7528" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7528" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/65", "datestamp": "2008-12-16", "lastmod": "2023-11-10 19:35:12", "status_changed": "2009-09-25 03:23:38", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ours-Statton-Ray", "name": { "family": "Ours", "given": "Statton Ray" }, "show_email": "NO" }, { "id": "Jackson-William-Gauss", "name": { "family": "Jackson", "given": "William Gauss" }, "show_email": "NO" } ] }, "title": "An Investigation of the Effects of Weight Geometry and Time in Repeated Tension Impact Testing", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The investigation covered in this report was conducted with the Falling-Carriage Repeated Tension Impact Machine at the Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California.
\r\n\r\nTwenty-eight aluminum alloy test specimens were subjected to a total of 7,834 impacts in the GALCIT Falling-Carriage Repeated Tension -impact Machine. Since the average number of impacts per specimen was about 280 it is believed that this investigation covered a regime different from other investigations made with this equipment.
\r\n\r\nThe effect of elapsed time between series of impacts was not established. The results obtained were contradictory, and it is believed that this was due to the energy per impact being variable and unknown.
\r\n\r\nIt is established that the geometry of the weight used in this type of test has some influence upon the elongation produced. It is shown that 17S-T duralumin is relatively sensitive to stress concentrations caused by change in cross-section and strain wave reflection, and relatively insensitive to stress concentrations due to small scribe marks.
\r\n\r\nEvidence is presented to indicate that the elongation at fracture of a specimen subjected to repeated tension impact is inversely proportional to the number of impacts required to produce fracture.
\r\n\r\nSuggestions are offered for improving the test equipment so as to obtain more nearly consistent results.
", "date": "1944", "date_type": "degree", "id_number": "CaltechETD:etd-11252008-093713", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11252008-093713", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-16", "doi": "10.7907/G8NX-JD54", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "chair" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Clark-D-S", "name": { "family": "Clark", "given": "Donald S." }, "role": "member" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "member" }, { "id": "Duwez-P-E", "name": { "family": "Duwez", "given": "Pol E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-25", "thesis_defense_date": "1944-01-01", "thesis_approved_date": "2008-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Ours, Statton Ray and Jackson, William Gauss" }, { "id": "/id/eprint/4753", "eprint_id": 4753, "rev_number": 18, "documents": [ { "id": "/id/document/7630", "doc_id": 7630, "rev_number": 2, "files": [ { "id": "/id/file/46743", "fileid": 46743, "datasetid": "document", "objectid": 7630, "filename": "Chambers_ls_1944.pdf", "mime_type": "application/pdf", "filesize": 155521660, "mtime": "2012-12-26 03:11:32", "url": "/4753/1/Chambers_ls_1944.pdf" } ], "eprint_id": 4753, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Chambers_ls_1944.pdf", "language": "en", "security": "public", "license": "other", "main": "Chambers_ls_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24149" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24149" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24149" } ] } }, { "id": "/id/document/24149", "doc_id": 24149, "rev_number": 2, "files": [ { "id": "/id/file/46741", "fileid": 46741, "datasetid": "document", "objectid": 24149, "filename": "preview.png", "mime_type": "image/png", "hash": "5547002bab4c222a0b945c734f9e0367", "hash_type": "MD5", "filesize": 11778, "mtime": "2012-12-26 03:11:32", "url": "/4753/2/preview.png" } ], "eprint_id": 4753, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7630" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7630" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7630" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/53", "datestamp": "2008-12-19", "lastmod": "2023-11-10 18:01:33", "status_changed": "2009-09-25 03:25:31", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Chambers-Lester-S", "name": { "family": "Chambers", "given": "Lester S." }, "show_email": "NO" }, { "id": "Doll-Raymond-E", "name": { "family": "Doll", "given": "Raymond. E." }, "show_email": "NO" }, { "id": "Harrell-Dewitt-A", "name": { "family": "Harrell", "given": "Dewitt A." }, "show_email": "NO" } ] }, "title": "An Investigation of the Effects of Angle of Attack and Airfoil Model Size on the Occurrence of Shock Waves in a Two Dimensional Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This paper presents the results of an investigation of the flow in the vicinity of one of the newer symmetrical NACA laminar flow airfoil sections at and above the orbital speed of the section, in the form of schlieren photographs and wall pressure distributions. The investigation was carried out in a two dimensional tunnel, designed for this purpose by the authors, at the Guggenheim Aeronautical Laboratory of the California Institute of Technology during the spring of 1944.
\r\n\r\nThe formation and variation of the shock waves with angle of attack and Mach number are presented in a series of high speed photographs. An attempt is made to indicate the effect of model size in a tunnel of fixed cross sectional area by presenting photographic results of the tests on airfoils of 2\", 4\", and 6\" chord lengths.
\r\n\r\nCurves of C[subscript L] versus Mach number at constant angle of attack are presented for the three airfoils.
", "date": "1944", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-153938", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-153938", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-19", "doi": "10.7907/NFP2-EG08", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "chair" }, { "id": "Puckett-A-E", "name": { "family": "Puckett", "given": "Allen E." }, "role": "member" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_defense_date": "1944-06-01", "thesis_approved_date": "2008-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Chambers, Lester S.; Doll, Raymond. E.; et el." }, { "id": "/id/eprint/2600", "eprint_id": 2600, "rev_number": 10, "documents": [ { "id": "/id/document/4877", "doc_id": 4877, "rev_number": 2, "files": [ { "id": "/id/file/28269", "fileid": 28269, "datasetid": "document", "objectid": 4877, "filename": "Miles_jw_1944.pdf", "mime_type": "application/pdf", "filesize": 2921951, "mtime": "2012-12-26 02:52:55", "url": "/2600/1/Miles_jw_1944.pdf" } ], "eprint_id": 2600, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Miles_jw_1944.pdf", "language": "en", "security": "public", "license": "other", "main": "Miles_jw_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/21427" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/21427" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/21427" } ] } }, { "id": "/id/document/21427", "doc_id": 21427, "rev_number": 2, "files": [ { "id": "/id/file/28267", "fileid": 28267, "datasetid": "document", "objectid": 21427, "filename": "preview.png", "mime_type": "image/png", "hash": "c34c112cf4294342e4e0ebd300e873c6", "hash_type": "MD5", "filesize": 10008, "mtime": "2012-12-26 02:52:55", "url": "/2600/2/preview.png" } ], "eprint_id": 2600, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/4877" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/4877" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/4877" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/26/00", "datestamp": "2004-06-15", "lastmod": "2023-11-10 19:34:03", "status_changed": "2009-09-25 02:41:11", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Miles-John-Wilder", "name": { "family": "Miles", "given": "John Wilder" }, "show_email": "NO" } ] }, "title": "The Analysis of Discontinuities in Cylindrical Tubes Propagating Sound Waves", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The effect of a plane discontinuity on a plane wave propagated in a cylindrical tube is calculated by variational methods. In carrying out the calculations a transmission line analogy is used and the effect of the discontinuity at a distance is represented by a capacitance placed at the discontinuity.\r\n\r\nIn section 1 the equations of motion for the propagation of a small disturbance in a cylindrical tube are established, culminating in the tyro-dimensional wave equation, while the solutions to the equations are discussed in section 2. These solutions constitute an infinite set of modes, in addition to the plane wave usually treated in the literature. In section 3 the analogy between propagation of sound and an electrical transmission line is established, and it is shown that each mode requires a separate transmission line. In section 4 it is shown that the effect of the higher modes excited by a plane discontinuity may be represented by a lumped capacitance, and this capacitance is given by a variational expression which gives a systematic method of calculation yielding an upper bound to the true answer. For the case of a window, a variational principle is produced inihich gives a lower bound to the true answer. In section B this method is applied to a window in a rectangular tube in some detail, in section 7 it is applied to a change of cross section in a rectangular tube, and in section 8 it is applied to windows and changes of cross section in circular tubes. In section 9 the reflection and transmission factors are calculated, and in section 10 the resonant frequency of certain types of resonators is calculated.\r\n\r\nTo the authors's knowledge this is the first rigorous treatment of the above problems with the exception of an earlier paper calculating the reflection due to a change of cross section in a circular tube.\r\n", "date": "1944", "date_type": "degree", "id_number": "CaltechETD:etd-06152004-114239", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-06152004-114239", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2004-06-15", "doi": "10.7907/58H4-E268", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2004-06-15", "thesis_defense_date": "1944-09-25", "thesis_approved_date": "2004-06-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Miles, John Wilder" }, { "id": "/id/eprint/9177", "eprint_id": 9177, "rev_number": 21, "documents": [ { "id": "/id/document/61182", "doc_id": 61182, "rev_number": 2, "files": [ { "id": "/id/file/171384", "fileid": 171384, "datasetid": "document", "objectid": 61182, "filename": "Baronowski_jj_1944.pdf", "mime_type": "application/pdf", "hash": "c0f411c4cd24e848ecb4c44d279aa70f", "hash_type": "MD5", "filesize": 21398877, "mtime": "2015-09-25 20:32:17", "url": "/9177/1/Baronowski_jj_1944.pdf" } ], "eprint_id": 9177, "pos": 1, "placement": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Baronowski_jj_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { 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1, "files": [ { "id": "/id/file/375486", "fileid": 375486, "datasetid": "document", "objectid": 130050, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "b333d1abd5bee60a627907be160d4b3f", "hash_type": "MD5", "filesize": 12459, "mtime": "2021-06-24 04:24:45", "url": "/9177/8/indexcodes.txt" } ], "eprint_id": 9177, "pos": 8, "placement": 8, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/61182" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/61182" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/61182" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/91/77", "datestamp": "2015-09-25 20:57:41", "lastmod": "2023-11-10 17:56:17", "status_changed": "2015-09-25 20:57:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Baranowski-John-J", "name": { "family": "Baranowski", "given": "John J." }, "show_email": "NO" }, { "id": "Seiler-Dayton-A", "name": { "family": "Seiler", "given": "Dayton A." }, "show_email": "NO" } ] }, "title": "An Investigation of a Method of Underwater Propulsion by Direct Gas Injection", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "This report presents the results of an investigation of\r\na method of underwater propulsion. The propelling system utilizes\r\nthe energy of a small mass of expanding gas to accelerate the flow\r\nof a large mass of water through an open ended duct of proper shape\r\nand dimensions to obtain a resultant thrust. The investigation was\r\nlimited to making a large number of runs on a hydroduct of arbitrary\r\ndesign, varying between wide limits the water flow and gas flow\r\nthrough the device, and measuring the net thrust caused by the\r\nintroduction and expansion of the gas.
\r\n\r\nIn comparison with the effective exhaust velocity of about\r\n6,000 feet per second observed in rocket motors, this hydroduct model \r\nattained a maximum effective exhaust velocity of more than 27,000\r\nfeet per second, using nitrogen gas. Using hydrogen gas, effective\r\nexhaust velocities of 146,000 feet per second were obtained. Further\r\ninvestigation should prove this method of propulsion not only to be \r\npractical but very efficient.
\r\n\r\nThis investigation was conducted at Project No. 1, Guggenheim\r\nAeronautical Laboratory, California Institute of Technology,\r\nPasadena, California.
", "date": "1944", "date_type": "degree", "id_number": "CaltechTHESIS:09252015-133043910", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:09252015-133043910", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2015-09-25 20:57:41", "doi": "10.7907/XDF1-M512", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1944-06-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Baranowski, John J. and Seiler, Dayton A." }, { "id": "/id/eprint/4664", "eprint_id": 4664, "rev_number": 11, "documents": [ { "id": "/id/document/7527", "doc_id": 7527, "rev_number": 2, "files": [ { "id": "/id/file/46022", "fileid": 46022, "datasetid": "document", "objectid": 7527, "filename": "Denison_fg_1944.pdf", "mime_type": "application/pdf", "filesize": 7134207, "mtime": "2012-12-26 03:10:46", "url": "/4664/1/Denison_fg_1944.pdf" } ], "eprint_id": 4664, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Denison_fg_1944.pdf", "language": "en", "security": "public", "license": "other", "main": "Denison_fg_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24046" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24046" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24046" } ] } }, { "id": "/id/document/24046", "doc_id": 24046, "rev_number": 2, "files": [ { "id": "/id/file/46020", "fileid": 46020, "datasetid": "document", "objectid": 24046, "filename": "preview.png", "mime_type": "image/png", "hash": "fd81286fec3bb3d6ee5f10344c7699c1", "hash_type": "MD5", "filesize": 4865, "mtime": "2012-12-26 03:10:46", "url": "/4664/2/preview.png" } ], "eprint_id": 4664, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7527" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7527" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7527" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/64", "datestamp": "2008-12-16", "lastmod": "2023-11-10 18:16:27", "status_changed": "2009-09-25 03:23:37", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Denison-Frank-G", "name": { "family": "Denison", "given": "Frank G." }, "show_email": "NO" } ] }, "title": "A Method of Performance Analysis for Sailing Vessels", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A general method for calculating the performance of all types of wind driven vessels has been developed. The method is of such a nature that it may be used, without specific experimental assistance, as a qualitative guide in preliminary design. To this same procedure, data from a few simple tests of the model in question may be applied to obtain good quantitative performance information.\r\n\r\nAs a result, existing yacht model testing procedure {Reference (4)} can be considerably simplified while at the same time obtaining information of much broader applicability.\r\n\r\nThe use of the principles of this method, if not the letter, should tend to rationalize the arbitrary and extremely restrictive handicapping rules for ocean racing now in existence.\r\n\r\nFurther, the owner, in possession of a performance analysis of his vessel, can be guided in his choice of course and sail setting as these are fundamental parameters of the general performance equation. The optimum sail setting for any wind speed and boat direction is of a necessity obtained in the process of the solution of this equation.\r\n\r\nThe method provides several rather surprising general conclusions. It is indicated that angle of heel, contrary to Reference (4) is not a fundamental variable, and therefore stability only enters the picture in so far as the designer has a \"gentlemen's agreement\" not to provide more sail than will heel the vessel to a certain angle in a given wind. It is found that only draft is a monotonic parameter in performance; all other form and sail variables exhibit optimums, some perhaps outside of the practical range.\r\n\r\nAlso, it is found from the experimental data of Reference (5) that yacht underbodies, despite their extremely low aspect ratio, exhibit a polar of lateral force and induced resistance with a character in agreement with the simple Prandtl theory. The interference effect of the surface, however, is found to be at variance with the result obtained from a lifting line vortex arranged to satisfy the water boundary condition.\r\n\r\nIt is found that the usual triangular yacht sail does not have as bad a downwash distribution as one might first suspect on considering the plan form and twist. The presence of the water surface has the effect of providing a corrective upwash distribution.\r\n\r\nIt is found that simple static stability calculations with the water surface assumed undisturbed, at the boat, lead to surprisingly good agreement with the righting moments obtained experimentally under dynamic conditions.\r\n", "date": "1944", "date_type": "degree", "id_number": "CaltechETD:etd-11252008-092219", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11252008-092219", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-16", "doi": "10.7907/3697-3Y49", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-25", "thesis_defense_date": "1944-06-16", "thesis_approved_date": "2008-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Denison, Frank G." }, { "id": "/id/eprint/6409", "eprint_id": 6409, "rev_number": 19, "documents": [ { "id": "/id/document/12639", "doc_id": 12639, "rev_number": 4, "files": [ { "id": "/id/file/82996", "fileid": 82996, "datasetid": "document", "objectid": 12639, "filename": "Furer_ab_1944.pdf", "mime_type": "application/pdf", "filesize": 17499097, "mtime": "2012-12-26 04:35:38", "url": "/6409/1/Furer_ab_1944.pdf" } ], "eprint_id": 6409, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Furer_ab_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/27460" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/27460" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/27460" } ] } }, { "id": "/id/document/12640", "doc_id": 12640, "rev_number": 3, "files": [ { "id": "/id/file/206938", "fileid": 206938, "datasetid": "document", "objectid": 12640, "filename": "Furer_ab_1944.zip", "mime_type": "application/zip", "filesize": 251220494, "mtime": "2016-08-22 21:22:20", "url": "/6409/2/Furer_ab_1944.zip" } ], "eprint_id": 6409, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Furer_ab_1944.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/27460", "doc_id": 27460, "rev_number": 2, "files": [ { "id": "/id/file/82994", "fileid": 82994, "datasetid": "document", "objectid": 27460, "filename": "preview.png", "mime_type": "image/png", "hash": "7663d0d64f807acd2028b3d2f478b2b5", "hash_type": "MD5", "filesize": 13321, "mtime": "2012-12-26 04:35:38", "url": "/6409/3/preview.png" } ], "eprint_id": 6409, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12639" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/12639" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12639" } ] } }, { "id": "/id/document/126674", "doc_id": 126674, "rev_number": 1, "files": [ { "id": "/id/file/372108", "fileid": 372108, "datasetid": "document", "objectid": 126674, "filename": "indexcodes.txt", "mime_type": "text/plain", "hash": "c89f433a0dd13eab2482c5ce07f9bf7b", "hash_type": "MD5", "filesize": 11526, "mtime": "2021-06-24 01:02:52", "url": "/6409/4/indexcodes.txt" } ], "eprint_id": 6409, "pos": 4, "placement": 4, "mime_type": "text/plain", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12639" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12639" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/12639" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/64/09", "datestamp": "2011-06-14 21:59:17", "lastmod": "2023-11-10 18:19:38", "status_changed": "2011-06-14 21:59:17", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dunn-William-C", "name": { "family": "Dunn", "given": "William C." }, "show_email": "NO" }, { "id": "Furer-Albert-B", "name": { "family": "Furer", "given": "Albert B." }, "show_email": "NO" } ] }, "title": "The Quantitative Effect of a Flexible Fuselage on the Symmetric Torsional Modes of the Wings of a Large Airplane", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Using Holzer's method of frequency calculation, the natural frequencies for the first two modes of torsional vibration of the wing were determined for a representative conventional airplane (B24-C) in the customary manner, the fuselage being considered as a rigid body. Next, using a method developed by N. O. Myklestad of the Guggenheim Aeronautics Laboratory at the California Institute of Technology, combined with Holzer's method, the natural frequencies for the same two modes of vibration were again determined, but with the fuselage this time being considered as flexible.
\r\n\r\nA comparison of results of the two methods indicates that in considering the fuselage as being flexible, a decrease in the natural frequency of torsional vibration may be expected. For the particular airplane selected, this decrease amounted to 6.68% for the first mode of vibration and to 39.1% for the second.
\r\n\r\nThe investigation reported in this paper was entirely theoretical and was performed during the 1943-1944 school year at the Guggenheim Aeronautics Laboratory at the California Institute of Technology, Pasadena, California under the direction and supervision of Dr. N. O. Myklestad, research associate in aeronautics at the Institute.
", "date": "1944", "date_type": "degree", "id_number": "CaltechTHESIS:05192011-093121243", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:05192011-093121243", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-06-14 21:59:17", "doi": "10.7907/H4PK-H195", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Myklestad-Nils-O", "name": { "family": "Myklestad", "given": "Nils O." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1944-06-05", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Dunn, William C. and Furer, Albert B." }, { "id": "/id/eprint/4656", "eprint_id": 4656, "rev_number": 12, "documents": [ { "id": "/id/document/7507", "doc_id": 7507, "rev_number": 2, "files": [ { "id": "/id/file/45914", "fileid": 45914, "datasetid": "document", "objectid": 7507, "filename": "Dixon_hh_1944.pdf", "mime_type": "application/pdf", "filesize": 6192022, "mtime": "2012-12-26 03:10:38", "url": "/4656/1/Dixon_hh_1944.pdf" } ], "eprint_id": 4656, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Dixon_hh_1944.pdf", "language": "en", "security": "public", "license": "other", "main": "Dixon_hh_1944.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24026" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24026" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24026" } ] } }, { "id": "/id/document/24026", "doc_id": 24026, "rev_number": 2, "files": [ { "id": "/id/file/45912", "fileid": 45912, "datasetid": "document", "objectid": 24026, "filename": "preview.png", "mime_type": "image/png", "hash": "0f9d74fe026c817cdc955bd26e6328a7", "hash_type": "MD5", "filesize": 7944, "mtime": "2012-12-26 03:10:38", "url": "/4656/2/preview.png" } ], "eprint_id": 4656, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7507" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7507" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7507" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/56", "datestamp": "2008-12-16", "lastmod": "2023-11-10 18:19:18", "status_changed": "2009-09-25 03:23:00", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Dixon-Howard-Henry", "name": { "family": "Dixon", "given": "Howard Henry" }, "show_email": "NO" } ] }, "title": "Investigation of Design Criteria of Stiffened Wood Curved Panels", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "A total of 92 stiffened panel specimens of birch plywood of a nominal thickness of one-eighth inch with spruce stiffeners set parallel to the applied load were tested at California Institute of Technology to obtain the stress strain relations and the ultimate compression stress of the panels. The panels had heights of 12, 18, and 24 inches; stiffener spacings of 2, 3, 4, and 5 inches; and radii of curvature of 400, 200, 100, 50, 12, and 6 inches. The experimental data are presented as stress strain and column curves, and in tabular form.
\r\n\r\nThe principal results of the research are as follows:
\r\n\r\na) Although the scope of the tests were insufficient to formulate general design data, the results present a guide for design criteria of wood panels. Experimentally it has been shown that the effective width method of analysis is applicable to wooden panels.
\r\n\r\nb) The percent reinforcement vs. ultimate stress investigation indicates that a minimum of 50 to 60% reinforcement should be used in stiffened panel construction.
\r\n\r\nc) A decrease of the [radius of curvature divided by sheet thickness] ratio gives an increase of ultimate stress approximating a logarithmic variation.
", "date": "1944", "date_type": "degree", "id_number": "CaltechETD:etd-11242008-145312", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11242008-145312", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-16", "doi": "10.7907/HJ3Y-3F83", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-24", "thesis_defense_date": "1944-01-01", "thesis_approved_date": "2008-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1944", "author_list": "Dixon, Howard Henry" }, { "id": "/id/eprint/5135", "eprint_id": 5135, "rev_number": 15, "documents": [ { "id": "/id/document/8135", "doc_id": 8135, "rev_number": 2, "files": [ { "id": "/id/file/50092", "fileid": 50092, "datasetid": "document", "objectid": 8135, "filename": "Sweeney_we_1943.pdf", "mime_type": "application/pdf", "filesize": 93865670, "mtime": "2012-12-26 03:15:11", "url": "/5135/1/Sweeney_we_1943.pdf" } ], "eprint_id": 5135, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Sweeney_we_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Sweeney_we_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24640" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24640" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24640" } ] } }, { "id": "/id/document/24640", "doc_id": 24640, "rev_number": 2, "files": [ { "id": "/id/file/50090", "fileid": 50090, "datasetid": "document", "objectid": 24640, "filename": "preview.png", "mime_type": "image/png", "hash": "af31dbf3114d0aafe2a29d819f37f148", "hash_type": "MD5", "filesize": 9122, "mtime": "2012-12-26 03:15:11", "url": "/5135/2/preview.png" } ], "eprint_id": 5135, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/8135" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/8135" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/8135" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/51/35", "datestamp": "2009-01-15", "lastmod": "2023-11-10 17:44:59", "status_changed": "2009-09-25 03:34:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Sweeney-William-Edward", "name": { "family": "Sweeney", "given": "William Edward" }, "show_email": "NO" }, { "id": "Bridgland-Edgar-Parsons", "name": { "family": "Bridgland", "given": "Edgar Parsons" }, "show_email": "NO" } ] }, "title": "Investigation of Design Criteria of Stiffened Wooden Panels", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The aim of this research was to find design data for the stiffened plywood panels supplied by the Fletcher Aviation Company.
\r\n\r\nThe tests included stiffened panel tests, unstiffened panel tests, and short column tests to find the physical properties of the material.
\r\n\r\nThe results of these tests, show that the ultimate compression stress which the specimen will resist is a function of the percentage stiffener area compared to the total panel area, and the L/P ratio of the panel.
\r\n\r\nPredicted ultimate stresses from the curves developed show sufficiently good agreement with actual test, that they may be used for design purposes with allowance for descrepancies in material and workmanship.
", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-12242008-113646", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12242008-113646", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-15", "doi": "10.7907/4YVN-3R91", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-24", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2009-01-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Sweeney, William Edward and Bridgland, Edgar Parsons" }, { "id": "/id/eprint/4600", "eprint_id": 4600, "rev_number": 14, "documents": [ { "id": "/id/document/7439", "doc_id": 7439, "rev_number": 2, "files": [ { "id": "/id/file/45461", "fileid": 45461, "datasetid": "document", "objectid": 7439, "filename": "Hanger_wm_1943.pdf", "mime_type": "application/pdf", "filesize": 17111979, "mtime": "2012-12-26 03:10:09", "url": "/4600/1/Hanger_wm_1943.pdf" } ], "eprint_id": 4600, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hanger_wm_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Hanger_wm_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23964" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23964" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23964" } ] } }, { "id": "/id/document/23964", "doc_id": 23964, "rev_number": 2, "files": [ { "id": "/id/file/45459", "fileid": 45459, "datasetid": "document", "objectid": 23964, "filename": "preview.png", "mime_type": "image/png", "hash": "c191084c1c7327255227d07188b024de", "hash_type": "MD5", "filesize": 9640, "mtime": "2012-12-26 03:10:09", "url": "/4600/2/preview.png" } ], "eprint_id": 4600, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7439" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7439" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7439" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/00", "datestamp": "2008-11-26", "lastmod": "2023-11-10 17:24:55", "status_changed": "2009-09-25 03:21:43", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hanger-Willard-Muirhead", "name": { "family": "Hanger", "given": "Willard Muirhead" }, "show_email": "NO" } ] }, "title": "A Photoelastic Investigation of the Effect of Elliptical and Modified Cutouts in Flat Panels Subjected to Combined Bending and Shear", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Quite frequently in an aircraft structure there are occasions when it is necessary or advantageous to make openings or cutouts in the structure. These may be lightening holes in a web or spar or they may be openings in the structure which are necessary for access or other reasons. An analytical solution of the problem of stress distribution around a cutout in a stressed member is often impossible since the analytical method is limited to problems in which the boundary conditions are simple. The purpose of this investigation was to determine by means of a photo-elastic analysis the amount of stress concentration caused by a cutout in a flat panel and how this concentration varied under different conditions of loading and with various types of cutouts. Simple photoelasticity provides a means of finding the stresses only along the cutout boundary. However since the stress concentrations are a maximen at the boundary, this is the region in which the designer is most interested. Only boundary stresses along the cutout are considered in this paper.\r\n\r\nThis research is a continuation of the work carried out by Gibbons and Dill at the California Institute of Technology in 1941-42. Their paper entitled \u201cA Photoelastic Investigation of the Effect of Elliptical and Modified Cutouts in Flat Panels Subjected to Combined Bending and Shear\u201d dealt with a similar panel with similar cutouts under much the same conditions of loading as carried out in this research. However the long axis of the cutout in this investigation was horizontal or perpendicular to the shear loading, while the long axis of the cutout in the previous investigation was at 90\u00b0 to this direction, i.e., vertical. Tyra and Hollister also did some research at the California Institute of Technology on this subject. Their thesis entitled \u201cA Photoelastic Investigation of the Effect of Cutouts in Panels Subjected to Combined Bending and Shear\" dealt with circular and modified circular cutouts. This paper considers an elliptical cutout which was modified by several steps to a rectangular opening, the ratio of the maximum length to width being 2:1.\r\n", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-11182008-133221", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11182008-133221", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-26", "doi": "10.7907/6M05-2809", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-18", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2008-11-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Hanger, Willard Muirhead" }, { "id": "/id/eprint/4601", "eprint_id": 4601, "rev_number": 10, "documents": [ { "id": "/id/document/7440", "doc_id": 7440, "rev_number": 2, "files": [ { "id": "/id/file/45468", "fileid": 45468, "datasetid": "document", "objectid": 7440, "filename": "Hayes_wd_1943.pdf", "mime_type": "application/pdf", "filesize": 1952056, "mtime": "2012-12-26 03:10:10", "url": "/4601/1/Hayes_wd_1943.pdf" } ], "eprint_id": 4601, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Hayes_wd_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Hayes_wd_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23965" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23965" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23965" } ] } }, { "id": "/id/document/23965", "doc_id": 23965, "rev_number": 2, "files": [ { "id": "/id/file/45466", "fileid": 45466, "datasetid": "document", "objectid": 23965, "filename": "preview.png", "mime_type": "image/png", "hash": "9b641a26eb95dba108a021dbe1f8fac0", "hash_type": "MD5", "filesize": 6462, "mtime": "2012-12-26 03:10:10", "url": "/4601/2/preview.png" } ], "eprint_id": 4601, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7440" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7440" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7440" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/01", "datestamp": "2008-11-26", "lastmod": "2023-11-10 17:28:31", "status_changed": "2009-09-25 03:21:45", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Hayes-Wallace-Dean", "name": { "family": "Hayes", "given": "Wallace Dean" }, "show_email": "NO" } ] }, "title": "Some Investigations in the Buckling of Thin Rods", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The general case of a non-uniform, straight rod under varying axial load is investigated, and several methods of solution are indicated or described. The case of a uniform rod with constant axial load is investigated by means of its deflection curve, and the direct determination of the stability with general end restraints is made possible by the use of a graph. The correlation between the end fixities of a rod and its behavior as a beam is given.\r\n", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-11182008-135603", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11182008-135603", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-26", "doi": "10.7907/2G6H-SH82", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Bateman-H", "name": { "family": "Bateman", "given": "Harry" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-18", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2008-11-26", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Hayes, Wallace Dean" }, { "id": "/id/eprint/4655", "eprint_id": 4655, "rev_number": 14, "documents": [ { "id": "/id/document/7506", "doc_id": 7506, "rev_number": 2, "files": [ { "id": "/id/file/45906", "fileid": 45906, "datasetid": "document", "objectid": 7506, "filename": "Zebb_k_1943.pdf", "mime_type": "application/pdf", "filesize": 7507216, "mtime": "2012-12-26 03:10:38", "url": "/4655/1/Zebb_k_1943.pdf" } ], "eprint_id": 4655, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Zebb_k_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Zebb_k_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24025" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24025" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24025" } ] } }, { "id": "/id/document/24025", "doc_id": 24025, "rev_number": 2, "files": [ { "id": "/id/file/45904", "fileid": 45904, "datasetid": "document", "objectid": 24025, "filename": "preview.png", "mime_type": "image/png", "hash": "6c5cb0da2d736d784a212a1402467080", "hash_type": "MD5", "filesize": 9114, "mtime": "2012-12-26 03:10:38", "url": "/4655/2/preview.png" } ], "eprint_id": 4655, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7506" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7506" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7506" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/55", "datestamp": "2008-12-11", "lastmod": "2023-11-10 17:47:33", "status_changed": "2009-09-25 03:22:57", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Zebb-George-Keirn", "name": { "family": "Zebb", "given": "George Keirn" }, "show_email": "NO" } ] }, "title": "Technique of Measuring Transverse Components of Velocity Fluctuations in Turbulent Flow", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The mean speed characteristics of several X-type v'/U-meters having widely varied dimensions were measured in order to verify assumptions usually made regarding the range of linear characteristics for meters of this type.
\r\n\r\nUsing the same meters, and other meters with intermediate sizes, values of v'/U were measured in the turbulent fields behind three grids. Comparison of the results gave a qualitative indication of the effect of meter size on turbulence measurements.
\r\n\r\nA length correction for the X-type meters used was derived and the turbulence values corrected, with the result that all meters gave approximately the same answers.
\r\n\r\nHowever, even after application of the length correction, it was found that in the turbulent field behind grids (generally assumed to be isotropic) v'/U was consistently lower than u'/U at a given distance behind the grid. This result is the same as that described by Corrsin in ref. (4) where no length correction was applied.
", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-11242008-111753", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11242008-111753", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-11", "doi": "10.7907/H56H-BX29", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-24", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2008-12-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Zebb, George Keirn" }, { "id": "/id/eprint/4668", "eprint_id": 4668, "rev_number": 19, "documents": [ { "id": "/id/document/7531", "doc_id": 7531, "rev_number": 2, "files": [ { "id": "/id/file/46055", "fileid": 46055, "datasetid": "document", "objectid": 7531, "filename": "Kane_rf_1943.pdf", "mime_type": "application/pdf", "filesize": 26093657, "mtime": "2012-12-26 03:10:48", "url": "/4668/1/Kane_rf_1943.pdf" } ], "eprint_id": 4668, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kane_rf_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Kane_rf_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24050" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24050" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24050" } ] } }, { "id": "/id/document/7532", "doc_id": 7532, "rev_number": 3, "files": [ { "id": "/id/file/46059", "fileid": 46059, "datasetid": "document", "objectid": 7532, "filename": "Kane_rf_1943_data_sheet_1.PDF", "mime_type": "application/pdf", "filesize": 11946896, "mtime": "2012-12-26 03:10:48", "url": "/4668/2/Kane_rf_1943_data_sheet_1.PDF" } ], "eprint_id": 4668, "pos": 2, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kane_rf_1943_data_sheet_1.PDF", "language": "en", "security": "public", "license": "other", "main": "Kane_rf_1943_data_sheet_1.PDF", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "supplemental", "relation": { 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"relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24053" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24053" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24053" } ] } }, { "id": "/id/document/24050", "doc_id": 24050, "rev_number": 2, "files": [ { "id": "/id/file/46053", "fileid": 46053, "datasetid": "document", "objectid": 24050, "filename": "preview.png", "mime_type": "image/png", "hash": "74b617ef42c46179e0c4efd7151918df", "hash_type": "MD5", "filesize": 8572, "mtime": "2012-12-26 03:10:48", "url": "/4668/5/preview.png" } ], "eprint_id": 4668, "pos": 5, "placement": 5, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": 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"uri": "/id/document/7532" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7532" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7532" } ] } }, { "id": "/id/document/24052", "doc_id": 24052, "rev_number": 2, "files": [ { "id": "/id/file/46061", "fileid": 46061, "datasetid": "document", "objectid": 24052, "filename": "preview.png", "mime_type": "image/png", "hash": "8341b8b452a16595cd1a8c81803dadc0", "hash_type": "MD5", "filesize": 35672, "mtime": "2012-12-26 03:10:49", "url": "/4668/7/preview.png" } ], "eprint_id": 4668, "pos": 7, "placement": 7, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7533" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7533" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7533" } ] } }, { "id": "/id/document/24053", "doc_id": 24053, "rev_number": 2, "files": [ { "id": "/id/file/46065", "fileid": 46065, "datasetid": "document", "objectid": 24053, "filename": "preview.png", "mime_type": "image/png", "hash": "c880c61d680d11e9edabb996d652e167", "hash_type": "MD5", "filesize": 171847, "mtime": "2012-12-26 03:10:49", "url": "/4668/8/preview.png" } ], "eprint_id": 4668, "pos": 8, "placement": 8, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7534" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7534" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7534" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/68", "datestamp": "2008-12-17", "lastmod": "2023-11-10 17:32:59", "status_changed": "2009-09-25 03:23:41", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kane-Richard-Francis", "name": { "family": "Kane", "given": "Richard Francis" }, "show_email": "NO" }, { "id": "Kelley-Edward-Frederick", "name": { "family": "Kelley", "given": "Edward Frederick" }, "show_email": "NO" } ] }, "title": "The Theory, Design and Performance of a Two Dimensional High Speed, Induction Type Wind-Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "(1) A two-dimensional wind tunnel, induction type, of rectangular working section, 2 1/2\" x 12\", has been designed and constructed for the purpose of testing aerodynamic shapes at velocities close to the speed of sound.\r\n\r\n(2) The design theory is based upon the fundamental equations of momentum, continuity, and energy with the assumptions that mixing takes place at constant area and that jet exit velocities in this supersonic range may be obtained.\r\n\r\n(3) Calibration runs, in which the maximum Mach number of 0.65 was obtained, revealed that the actual tunnel performance did not agree with the design performance curves except at high compression ratios.\r\n\r\n(4) A variation of the original theory, i.e., sonic jet exit velocities, was used to obtain a new set of design curves. These curves are in excellent agreement with actual performance data except at high compression ratios.\r\n\r\n(5) Failure of the tunnel to meet design conditions is considered to lie in the jet shape which assumes a true supersonic nozzle shape only at small jet openings (high compression ratios).\r\n", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-11252008-134052", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11252008-134052", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-17", "doi": "10.7907/S53W-ST96", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-25", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2008-12-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Kane, Richard Francis and Kelley, Edward Frederick" }, { "id": "/id/eprint/4752", "eprint_id": 4752, "rev_number": 22, "documents": [ { "id": "/id/document/7629", "doc_id": 7629, "rev_number": 2, "files": [ { "id": "/id/file/46735", "fileid": 46735, "datasetid": "document", "objectid": 7629, "filename": "Lee_es_1943.pdf", "mime_type": "application/pdf", "filesize": 24191668, "mtime": "2012-12-26 03:11:32", "url": "/4752/1/Lee_es_1943.pdf" } ], "eprint_id": 4752, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lee_es_1943.pdf", "language": "en", "security": "public", "license": "other", "main": "Lee_es_1943.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24148" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24148" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24148" } ] } }, { "id": "/id/document/24148", "doc_id": 24148, "rev_number": 2, "files": [ { "id": "/id/file/46733", "fileid": 46733, "datasetid": "document", "objectid": 24148, "filename": "preview.png", "mime_type": "image/png", "hash": "b6f3f4f7c437925533d30f99b3e99f49", "hash_type": "MD5", "filesize": 6321, "mtime": "2012-12-26 03:11:32", "url": "/4752/2/preview.png" } ], "eprint_id": 4752, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7629" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7629" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7629" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/52", "datestamp": "2008-12-19", "lastmod": "2023-11-10 17:37:40", "status_changed": "2009-09-25 03:25:30", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lee-Edwin-Samuel", "name": { "family": "Lee", "given": "Edwin Samuel" }, "show_email": "NO" }, { "id": "Sterling-Cedric-Warren", "name": { "family": "Sterling", "given": "Cedric Warren" }, "show_email": "NO" } ] }, "title": "A Correlation of Repeated Tension Impact Tests with Other Tension Tests of 17ST Duralumin", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The strain distribution after repeated tension impacts along the length of several differently dimensioned specimens of 17ST Duralumin is determined for various energies per blow. An attempt is made to determine a relationship between the one energy available per blow, the dimensions of the specimen, and the number of blows required to cause failure of the specimen by repeated tension impacts. A relationship is determined between the percent total elongation and the length-to-diameter ratio. A relationship is determined between the energy per unit volume required to cause failure and the length-to-diameter ratio under static tension, dynamic tension, and repeated tension impact conditions. A \u201cModulus of Destructiveness\" is proposed for 17ST duralumin. A method is presented for predicting the number of repeated tension impact blows necessary to cause failure of a part.\r\n", "date": "1943", "date_type": "degree", "id_number": "CaltechETD:etd-12032008-153139", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12032008-153139", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-19", "doi": "10.7907/VP8E-Q282", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-03", "thesis_defense_date": "1943-01-01", "thesis_approved_date": "2008-12-19", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1943", "author_list": "Lee, Edwin Samuel and Sterling, Cedric Warren" }, { "id": "/id/eprint/4603", "eprint_id": 4603, "rev_number": 11, "documents": [ { "id": "/id/document/7442", "doc_id": 7442, "rev_number": 2, "files": [ { "id": "/id/file/45484", "fileid": 45484, "datasetid": "document", "objectid": 7442, "filename": "Shevell_rs_1942.pdf", "mime_type": "application/pdf", "filesize": 49330942, "mtime": "2012-12-26 03:10:11", "url": "/4603/1/Shevell_rs_1942.pdf" } ], "eprint_id": 4603, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Shevell_rs_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Shevell_rs_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23967" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23967" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23967" } ] } }, { "id": "/id/document/23967", "doc_id": 23967, "rev_number": 2, "files": [ { "id": "/id/file/45482", "fileid": 45482, "datasetid": "document", "objectid": 23967, "filename": "preview.png", "mime_type": "image/png", "hash": "0774eb13a8f7c7f9d542a20c96780816", "hash_type": "MD5", "filesize": 3229, "mtime": "2012-12-26 03:10:11", "url": "/4603/2/preview.png" } ], "eprint_id": 4603, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7442" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7442" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7442" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/03", "datestamp": "2008-12-10", "lastmod": "2023-11-10 00:18:52", "status_changed": "2009-09-25 03:21:46", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Shevell-Richard-Shepherd", "name": { "family": "Shevell", "given": "Richard Shepherd" }, "show_email": "NO" } ] }, "title": "The Design and Testing of an Aerodynamic Model of a High Speed Wind Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "In conjunction with the design of the high speed Cooperative Wind Tunnel at the California Institute of Technology an aerodynamic model was built and tested. Methods of design of the contraction, working section, and diffuser are explained.\r\n\r\nThe model test showed that the working section of a wind tunnel operating at a Mach Number greater than 0.7 must have adjustable walls to maintain a constant velocity through the working section. The unsatisfactory design of the diffuser is demonstrated by both static pressure measurements and visual observations.\r\n\r\nA description is given of visual observations of supersonic phenomena occurring in the working section and diffuser of the model.\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-11192008-145939", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11192008-145939", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-10", "doi": "10.7907/DPNP-VP27", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "chair" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "member" }, { "id": "Tsien-H-S", "name": { "family": "Tsien", "given": "Hsue Shen" }, "role": "member" }, { "id": "Thiele-C", "name": { "family": "Thiele", "given": "Carl" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-19", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2008-12-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Shevell, Richard Shepherd" }, { "id": "/id/eprint/4653", "eprint_id": 4653, "rev_number": 12, "documents": [ { "id": "/id/document/7504", "doc_id": 7504, "rev_number": 2, "files": [ { "id": "/id/file/45891", "fileid": 45891, "datasetid": "document", "objectid": 7504, "filename": "Kiergan_nb_1942.pdf", "mime_type": "application/pdf", "filesize": 3972979, "mtime": "2012-12-26 03:10:37", "url": "/4653/1/Kiergan_nb_1942.pdf" } ], "eprint_id": 4653, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Kiergan_nb_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Kiergan_nb_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24023" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24023" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24023" } ] } }, { "id": "/id/document/24023", "doc_id": 24023, "rev_number": 2, "files": [ { "id": "/id/file/45889", "fileid": 45889, "datasetid": "document", "objectid": 24023, "filename": "preview.png", "mime_type": "image/png", "hash": "9c3c1c979dd8eb09df018cf00f347f40", "hash_type": "MD5", "filesize": 9544, "mtime": "2012-12-26 03:10:37", "url": "/4653/2/preview.png" } ], "eprint_id": 4653, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7504" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7504" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7504" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/53", "datestamp": "2008-12-11", "lastmod": "2023-11-10 00:12:38", "status_changed": "2009-09-25 03:22:56", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Kiergan-Nova-Babb", "name": { "family": "Kiergan", "given": "Nova Babb" }, "show_email": "NO" }, { "id": "Tomamichel-Jack-Jones", "name": { "family": "Tomamichel", "given": "Jack Jones" }, "show_email": "NO" } ] }, "title": "A Study of Flutter in One Degree of Freedom", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The authors have attempted to develop a theoretical means of determining the amount of aerodynamic damping, positive or negative, existing on a symmetrical airfoil having freedom to oscillate only about an axis parallel to the span and on the zero camber line. Variables considered were oscillating frequency, wind speed, and hinge position (location of axis of oscillation.)\r\n\r\nHaving developed what they considered a proper theoretical criterion for determining the value of aerodynamic damping, the authors have conducted an experimental investigation of an airfoil oscillating system having one degree of freedom, in an attempt to verify the theoretical criterion.\r\n\r\nIt was concluded that for small oscillations the theoretical values of aerodynamic damping moment are correct except for hinge positions near the leading edge. Contrary to the theory, it was considered that the experimental investigation established the fact that negative damning does not occur for hinge positions at or near the leading edge.\r\n\r\nA general conclusion was made by the authors that an airfoil oscillating with only one degree of freedom will always have a positive aerodynamic damping moment provided the oscillations are small.\r\n\r\nIt was found that an airfoil restricted to one degree of freedom (rotation) and pivoted about the 0.75 chord line will flutter when deflected to an amplitude approximating the stall angle. Flutter will be self-induced when the aerodynamic forces are sufficient to deflect the airfoil to the stall angle.\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-11242008-082928", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11242008-082928", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-11", "doi": "10.7907/NX9K-JT57", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Biot-M-A", "name": { "family": "Biot", "given": "Maurice A." }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Biot-M-A", "name": { "family": "Biot", "given": "Maurice A." }, "role": "chair" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "member" }, { "id": "Dunn-L-G", "name": { "family": "Dunn", "given": "Louis G." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-24", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2008-12-11", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Kiergan, Nova Babb and Tomamichel, Jack Jones" }, { "id": "/id/eprint/4560", "eprint_id": 4560, "rev_number": 10, "documents": [ { "id": "/id/document/7380", "doc_id": 7380, "rev_number": 2, "files": [ { "id": "/id/file/45090", "fileid": 45090, "datasetid": "document", "objectid": 7380, "filename": "Goode_je_1942.pdf", "mime_type": "application/pdf", "filesize": 16484649, "mtime": "2012-12-26 03:09:44", "url": "/4560/1/Goode_je_1942.pdf" } ], "eprint_id": 4560, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Goode_je_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Goode_je_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23905" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23905" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23905" } ] } }, { "id": "/id/document/23905", "doc_id": 23905, "rev_number": 2, "files": [ { "id": "/id/file/45088", "fileid": 45088, "datasetid": "document", "objectid": 23905, "filename": "preview.png", "mime_type": "image/png", "hash": "bf6cc9337bc43692247bbd3bfe62d952", "hash_type": "MD5", "filesize": 7168, "mtime": "2012-12-26 03:09:44", "url": "/4560/2/preview.png" } ], "eprint_id": 4560, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7380" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7380" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7380" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/60", "datestamp": "2008-11-21", "lastmod": "2019-12-20 20:00:50", "status_changed": "2009-09-25 03:20:48", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Goode-John-Edward", "name": { "family": "Goode", "given": "John Edward" }, "show_email": "NO" } ] }, "title": "Maneuverability", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\nA method has been developed which makes possible the determination of the time to make a horizontal turn of any number of degrees, and also the control deflections necessary to make the turn. Accelerations encountered during the maneuver are easily obtained from the calculations which are used in obtaining the maneuvering time.\r\n\r\nThe method worked out is based on the six fundamental stability equations. The major assumptions are angle of bank [...], and no sideslip during turn i.e. V = 0. Only the use of simple wind tunnel data is necessary.\r\n\r\nSeveral cases are worked out for different bank assumptions for a twin engine attack bomber. The bank assumption which gives the most reasonable control deflections and accelerations during the maneuver is one which produced a helix angle of 0.090 and maximum bank of 75\u00b0. For this particular bank assumption calculations were carried out for sea level and 15,000 ft. altitude.\r\n\r\nCalculations were also carried through for sea level and 15,000 ft. for a modified single engine airplane of same weight and horsepower as the twin engine one, using the bank assumption which gave [...] max. of 75\u00b0.\r\n\r\nA method is presented for the direct calculation of the stability derivative, M[...], from wind tunnel data.\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-11142008-113423", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11142008-113423", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-21", "doi": "10.7907/7HP2-Q527", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-14", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2008-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Goode, John Edward" }, { "id": "/id/eprint/4453", "eprint_id": 4453, "rev_number": 12, "documents": [ { "id": "/id/document/7259", "doc_id": 7259, "rev_number": 3, "files": [ { "id": "/id/file/44259", "fileid": 44259, "datasetid": "document", "objectid": 7259, "filename": "Olsen_cb_1942.pdf", "mime_type": "application/pdf", "filesize": 8010902, "mtime": "2012-12-26 03:08:52", "url": "/4453/1/Olsen_cb_1942.pdf" } ], "eprint_id": 4453, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Olsen_cb_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23788" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23788" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23788" } ] } }, { "id": "/id/document/23788", "doc_id": 23788, "rev_number": 2, "files": [ { "id": "/id/file/44257", "fileid": 44257, "datasetid": "document", "objectid": 23788, "filename": "preview.png", "mime_type": "image/png", "hash": "20737c4373766d760f1ae1939868eddd", "hash_type": "MD5", "filesize": 12897, "mtime": "2012-12-26 03:08:52", "url": "/4453/2/preview.png" } ], "eprint_id": 4453, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7259" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7259" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7259" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/44/53", "datestamp": "2008-11-21", "lastmod": "2023-11-10 00:15:34", "status_changed": "2009-09-25 03:18:53", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Olsen-Carl-Baker", "name": { "family": "Olsen", "given": "Carl Baker" }, "show_email": "NO" }, { "id": "Brown-Sheldon-Willis", "name": { "family": "Brown", "given": "Sheldon Willis" }, "show_email": "NO" } ] }, "title": "A Study of the Effects of Repeated Tension Impact Loads Upon Certain Metals Used in Aircraft Construction", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The repeated tension impact properties of a manganese bronze, used in aircraft landing gear fittings, are presented in this report.
\r\n\r\nThe repeated tension impact test apparatus was adapted to take specimens in the form of sheet as well as specimens of the conventional bar type. With the modified apparatus, data on Alcoa 24 S-T and Dowmetal J-1H sheet specimens of varying thicknesses were obtained in order to present the aircraft designer with information directly applicable to the sheet materials currently in use.
\r\n\r\nAn investigation was made of the effect of service operation on the repeated tension impact properties of three 25 S-T propeller blades. For this purpose, propeller blades were used with approximately 5,314, and 788 hours of service operation.
\r\n\r\nA new machine, specifically designed for repeated tension impact testing, was placed in commission. With this machine, repeated tension impact test data on 24 S-T bar stock were extended to higher velocity ranges in an effort to determine the effect of velocity of impact.
\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-11072008-100137", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11072008-100137", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-21", "doi": "10.7907/RXJQ-C567", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-07", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2008-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Olsen, Carl Baker and Brown, Sheldon Willis" }, { "id": "/id/eprint/4663", "eprint_id": 4663, "rev_number": 11, "documents": [ { "id": "/id/document/7526", "doc_id": 7526, "rev_number": 2, "files": [ { "id": "/id/file/46015", "fileid": 46015, "datasetid": "document", "objectid": 7526, "filename": "Schwarzenbach_jc_1942.pdf", "mime_type": "application/pdf", "filesize": 2686726, "mtime": "2012-12-26 03:10:46", "url": "/4663/1/Schwarzenbach_jc_1942.pdf" } ], "eprint_id": 4663, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Schwarzenbach_jc_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Schwarzenbach_jc_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24045" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24045" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24045" } ] } }, { "id": "/id/document/24045", "doc_id": 24045, "rev_number": 2, "files": [ { "id": "/id/file/46013", "fileid": 46013, "datasetid": "document", "objectid": 24045, "filename": "preview.png", "mime_type": "image/png", "hash": "2d903bcf3cf5e59f4c17acbc4a71d19b", "hash_type": "MD5", "filesize": 10877, "mtime": "2012-12-26 03:10:46", "url": "/4663/2/preview.png" } ], "eprint_id": 4663, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7526" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7526" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7526" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/63", "datestamp": "2008-12-16", "lastmod": "2023-11-10 00:18:01", "status_changed": "2009-09-25 03:23:36", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Schwarzenbach-Jean-Christophe", "name": { "family": "Schwarzenbach", "given": "Jean Christophe" }, "show_email": "NO" } ] }, "title": "Calibration of the Merrill-G.A.L.C.I.T. Wind-Tunnel, and a Suggestion for a Variable Cross-Section on a Small High-Speed Wind-Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "Speed, power and flow inclination calibration tests run in the Merrill-GALCIT wind-tunnel are described and results presented. A description of the new balance-system is included. Turbulence measurements with hot-wires were made in the tunnel at various speeds and with various screen configurations.\r\n\r\nTests run in a small scale model of the projected cooperative wind-tunnel at subsonic and sonic velocities are briefly described. A suggestion for introducing variable working- section walls in the new scale model undergoing construction is discussed and presented.\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-11252008-083306", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11252008-083306", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-16", "doi": "10.7907/PGWH-E460", "alt_title": { "items": [ "Calibration of the Merrill-GALCIT wind tunnel" ] }, "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Merrill-A-A", "name": { "family": "Merrill", "given": "Albert Adams" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Merrill-A-A", "name": { "family": "Merrill", "given": "Albert Adams" }, "role": "chair" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "member" }, { "id": "Shevell-R", "name": { "family": "Shevell", "given": "Richard" }, "role": "member" }, { "id": "Corrsin-S", "name": { "family": "Corrsin", "given": "Stanley" }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-25", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2008-12-16", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Schwarzenbach, Jean Christophe" }, { "id": "/id/eprint/1279", "eprint_id": 1279, "rev_number": 10, "documents": [ { "id": "/id/document/1941", "doc_id": 1941, "rev_number": 2, "files": [ { "id": "/id/file/12132", "fileid": 12132, "datasetid": "document", "objectid": 1941, "filename": "Corrsin_s_1942.pdf", "mime_type": "application/pdf", "filesize": 5613205, "mtime": "2012-12-26 02:36:51", "url": "/1279/1/Corrsin_s_1942.pdf" } ], "eprint_id": 1279, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Corrsin_s_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Corrsin_s_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/18711" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/18711" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/18711" } ] } }, { "id": "/id/document/18711", "doc_id": 18711, "rev_number": 2, "files": [ { "id": "/id/file/12130", "fileid": 12130, "datasetid": "document", "objectid": 18711, "filename": "preview.png", "mime_type": "image/png", "hash": "10a57ebee1b6cc25ff5aacc87837cf16", "hash_type": "MD5", "filesize": 7527, "mtime": "2012-12-26 02:36:50", "url": "/1279/2/preview.png" } ], "eprint_id": 1279, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/1941" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/1941" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/1941" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/12/79", "datestamp": "2006-04-10", "lastmod": "2023-11-10 00:03:05", "status_changed": "2009-09-25 02:00:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Corrsin-Stanley", "name": { "family": "Corrsin", "given": "Stanley" }, "show_email": "NO" } ] }, "title": "Decay of Turbulence Behind Three Similar Grids", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "u\u2019 and v\u2019 decay measurements were made behind three similar girds. The u\u2019 readings were corrected for wire length and the v\u2019 readings were corrected for the sensitivity of the v\u2019-meter to u\u2019. These corrected values were plotted against x/M on logarithmic cross-section paper. The slope of these lines gave the exponent in the theoretical law for the decay of isotropic turbulence.\r\n\r\nA consistent deviation was found between the average u\u2019 and v\u2019 values. A suitable length correction applied to the v\u2019 values would increase them somewhat, lessening the discrepancy, and giving a true comparison between the two components of the turbulent energy.\r\n\r\nFrom a comparison of the present u\u2019 values behind the 1\u201d grid with the u\u2019 values measured with a free stream turbulence level 10 times as great as the present one, it is concluded that the change in initial turbulence has no appreciable effect on the u\u2019 behind a grid.", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-04062006-141720", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-04062006-141720", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2006-04-10", "doi": "10.7907/GXRW-6609", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Liepmann-H-W", "name": { "family": "Liepmann", "given": "Hans Wolfgang" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2006-04-06", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2006-04-10", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Corrsin, Stanley" }, { "id": "/id/eprint/394", "eprint_id": 394, "rev_number": 12, "documents": [ { "id": "/id/document/574", "doc_id": 574, "rev_number": 2, "files": [ { "id": "/id/file/3682", "fileid": 3682, "datasetid": "document", "objectid": 574, "filename": "Williams_ep_1942.pdf", "mime_type": "application/pdf", "filesize": 144708570, "mtime": "2012-12-26 02:29:22", "url": "/394/1/Williams_ep_1942.pdf" } ], "eprint_id": 394, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Williams_ep_1942.pdf", "language": "en", "security": "public", "license": "other", "main": "Williams_ep_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/17400" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/17400" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/17400" } ] } }, { "id": "/id/document/17400", "doc_id": 17400, "rev_number": 2, "files": [ { "id": "/id/file/3680", "fileid": 3680, "datasetid": "document", "objectid": 17400, "filename": "preview.png", "mime_type": "image/png", "hash": "f1f147ed3ea650795773257e1cef8b5d", "hash_type": "MD5", "filesize": 6154, "mtime": "2012-12-26 02:29:22", "url": "/394/2/preview.png" } ], "eprint_id": 394, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/574" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/574" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/574" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/03/94", "datestamp": "2009-01-28", "lastmod": "2023-11-10 00:20:51", "status_changed": "2009-09-25 01:36:08", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Williams-Edgar-Purell", "name": { "family": "Williams", "given": "Edgar Purell" }, "show_email": "NO" } ] }, "title": "Fuselage and Nacelle Effects on Airplanes as Determined by a Statistical Study of Data from the GALCIT 10-Foot Tunnel", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.\r\n\r\n\r\nAn attempt to base fuselage drag upon wetted area showed no less scatter than [...] as a function of fineness ratio. For average values of [...] for fuselages and flying boat hulls see Figure 12.\r\n\r\nThe destabilizing effect of fuselages and flying boat hulls based on the volume of a circumscribed cylinder is given in figure 22 as a function of the c.g. position. The fuselage body appears to act somewhat analogous to an airfoil with an aerodynamic center at a point somewhere between the 0.2 and 0.3 body position.\r\n\r\nThe effect of fuselages and flying boat hulls on [...] is given by figures 23 through 29. One set of figures gives [...] as a function of the destabilizing effect and the other set as a function of the c.g. position.\r\n\r\nNo successful means of correlating nacelle data was found. Figures 30 through 33 show the magnitude of nacelle drag and moment effects.\r\n", "date": "1942", "date_type": "degree", "id_number": "CaltechETD:etd-01282009-104914", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-01282009-104914", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2009-01-28", "doi": "10.7907/WY13-WD59", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "chair" }, { "id": "Klein-A-L", "name": { "family": "Klein", "given": "Arthur Louis" }, "role": "member" }, { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "member" }, { "id": "Marquardt-R-E", "name": { "family": "Marquardt", "given": "R. E." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2009-01-28", "thesis_defense_date": "1942-01-01", "thesis_approved_date": "2009-01-28", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Williams, Edgar Purell" }, { "id": "/id/eprint/6006", "eprint_id": 6006, "rev_number": 19, "documents": [ { "id": "/id/document/10886", "doc_id": 10886, "rev_number": 4, "files": [ { "id": "/id/file/73878", "fileid": 73878, "datasetid": "document", "objectid": 10886, "filename": "Gibbons_rm_1942.pdf", "mime_type": "application/pdf", "filesize": 16150012, "mtime": "2012-12-26 04:29:55", "url": "/6006/1/Gibbons_rm_1942.pdf" } ], "eprint_id": 6006, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Gibbons_rm_1942.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/26947" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/26947" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/26947" } ] } }, { "id": "/id/document/10887", "doc_id": 10887, "rev_number": 3, "files": [ { "id": "/id/file/206045", "fileid": 206045, "datasetid": "document", "objectid": 10887, "filename": "Gibbons_rm_1942.zip", "mime_type": "application/zip", "filesize": 61951469, "mtime": "2016-08-22 21:20:48", "url": "/6006/2/Gibbons_rm_1942.zip" } ], "eprint_id": 6006, "pos": 2, "format": "application/zip", "format_desc": "TIFF", "language": "en", "security": "internal", "license": "other", "main": "Gibbons_rm_1942.zip", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final" }, { "id": "/id/document/26947", "doc_id": 26947, "rev_number": 2, "files": [ { "id": "/id/file/73876", "fileid": 73876, "datasetid": "document", "objectid": 26947, "filename": "preview.png", "mime_type": "image/png", "hash": "bcf28121321d5bc0462cc17b30da4db2", "hash_type": "MD5", "filesize": 11173, "mtime": "2012-12-26 04:29:55", "url": "/6006/3/preview.png" } ], "eprint_id": 6006, "pos": 3, "placement": 3, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/10886" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/10886" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/10886" } ] } } ], "eprint_status": "archive", "userid": 87, "dir": "disk0/00/00/60/06", "datestamp": "2010-08-24 23:17:15", "lastmod": "2023-11-10 00:10:35", "status_changed": "2010-08-24 23:17:15", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Gibbons-Robert-Martin", "name": { "family": "Gibbons", "given": "Robert Martin" }, "show_email": "NO" }, { "id": "Dill-Douglas-Gordon", "name": { "family": "Dill", "given": "Douglas Gordon" }, "show_email": "NO" } ] }, "title": "A Photoelastic Investigation of the Effect of Elliptical and Modified Cutouts in Flat Panels Subjected to Combined Bending and Shear", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "No abstract.", "date": "1942", "date_type": "degree", "id_number": "CaltechTHESIS:08242010-095944937", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:08242010-095944937", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Tony Diaz", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Benjamin Perez", "deposited_on": "2010-08-24 23:17:15", "doi": "10.7907/36WR-QZ84", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1942-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1942", "author_list": "Gibbons, Robert Martin and Dill, Douglas Gordon" }, { "id": "/id/eprint/6341", "eprint_id": 6341, "rev_number": 17, "documents": [ { "id": "/id/document/12393", "doc_id": 12393, "rev_number": 4, "files": [ { "id": "/id/file/81302", "fileid": 81302, "datasetid": "document", "objectid": 12393, "filename": "Fischer_cf_1941.pdf", "mime_type": "application/pdf", "filesize": 17184827, "mtime": "2012-12-26 04:34:23", "url": "/6341/1/Fischer_cf_1941.pdf" } ], "eprint_id": 6341, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "language": "en", "security": "public", "license": "other", "main": "Fischer_cf_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": 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"objectid": 126553, "filename": "indexcodes.txt", "mime_type": "text/x-c", "hash": "69966b27c83c267dfcbc2b9586d457be", "hash_type": "MD5", "filesize": 13552, "mtime": "2021-06-24 00:57:53", "url": "/6341/4/indexcodes.txt" } ], "eprint_id": 6341, "pos": 4, "placement": 4, "mime_type": "text/x-c", "format": "other", "format_desc": "Generate index codes conversion from application/pdf to indexcodes", "language": "en", "security": "public", "license": "other", "main": "indexcodes.txt", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/12393" }, { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/12393" }, { "type": "http://eprints.org/relation/isIndexCodesVersionOf", "uri": "/id/document/12393" } ] } } ], "eprint_status": "archive", "userid": 51, "dir": "disk0/00/00/63/41", "datestamp": "2011-04-28 16:46:29", "lastmod": "2023-11-09 23:52:29", "status_changed": "2011-04-28 16:46:28", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Fischer-Charles-Fink", "name": { "family": "Fischer", "given": "Charles Fink" }, "show_email": "NO" } ] }, "title": "The Performance of Jet Propelled Space Vehicles", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This thesis presents an investigation of the steady state performance of space vehicles partially propelled by jets, the acceleration period required to reach the steady state, the use of jets for the assisted take off of flying boats, and the general economic aspects of jet propulsion applied to aircraft.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechTHESIS:04192011-133614556", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechTHESIS:04192011-133614556", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Tony Diaz", "deposited_on": "2011-04-28 16:46:29", "doi": "10.7907/HFY8-KW92", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_defense_date": "1941-01-01", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "Author's Rights Authorization: I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted here is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive license to archive and make accessible, under the conditions specified under \"Thesis Availability\" in this submission, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation, or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Fischer, Charles Fink" }, { "id": "/id/eprint/4705", "eprint_id": 4705, "rev_number": 13, "documents": [ { "id": "/id/document/7580", "doc_id": 7580, "rev_number": 2, "files": [ { "id": "/id/file/46381", "fileid": 46381, "datasetid": "document", "objectid": 7580, "filename": "Bell_rw_1941.pdf", "mime_type": "application/pdf", "filesize": 12266163, "mtime": "2012-12-26 03:11:09", "url": "/4705/1/Bell_rw_1941.pdf" } ], "eprint_id": 4705, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Bell_rw_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "Bell_rw_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/24099" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/24099" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/24099" } ] } }, { "id": "/id/document/24099", "doc_id": 24099, "rev_number": 2, "files": [ { "id": "/id/file/46379", "fileid": 46379, "datasetid": "document", "objectid": 24099, "filename": "preview.png", "mime_type": "image/png", "hash": "30d9a144cb4a7244dd8ee6d1225bd727", "hash_type": "MD5", "filesize": 5176, "mtime": "2012-12-26 03:11:09", "url": "/4705/2/preview.png" } ], "eprint_id": 4705, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7580" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7580" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7580" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/47/05", "datestamp": "2008-12-17", "lastmod": "2023-11-09 23:51:20", "status_changed": "2009-09-25 03:24:42", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Bell-Richard-William", "name": { "family": "Bell", "given": "Richard William" }, "show_email": "NO" }, { "id": "Storms-Harrison-Allen", "name": { "family": "Storms", "given": "Harrison Allen" }, "show_email": "NO" } ] }, "title": "Some Aspects of the Effects of Propeller Operation on the Static Longitudinal Stability of an Airplane", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "This thesis is to be considered a continuation of the material presented in the paper by Dr. C. B. Millikan, \"The Influence of Running Propellers on Airplane Characteristics\", [ref. 1] and of the work done in the thesis [ref. 2] by Mr. S. E. Belsley on the same subject. In reference 1 Dr. Millikan has derived expressions for the prediction of the power-on effects, dependent upon empirical expressions for the power-on downwash at the tail, and the tail efficiency in the slipstream. In reference 2 Mr. Belsley has put these same expressions in forms which permit experimental determination of the two empirical factors dealing with downwash and tail efficiency power-on. It is in part the purpose of this thesis to present numerical results for these factors, determined empirically from tests run at the Galcit* 10' wind tunnel on five different airplanes. In addition there is presented a discussion of the effects on pitching moment of various rotational configurations for twin-engine mono-planes including the effects on the tail removed configuration. There has appeared in power model testing of multi-engined airplanes the existence of favorable rotational configurations giving better power-on stability than the other possible rotations. As a consequence two of the five airplanes were tested for three different rotational configurations. The experimental data have been reduced in a manner that demonstrates clearly the effect of rotation alone on pitching moment. Unfortunately, similar data could not be obtained on the other airplanes, due to the limited time available for research at the Galcit tunnel.\r\n\r\n*Guggenheim Aeronautics Laboratory, California Institute of Technology.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-12012008-095536", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-12012008-095536", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-17", "doi": "10.7907/A8D1-2071", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-12-01", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-12-17", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Bell, Richard William and Storms, Harrison Allen" }, { "id": "/id/eprint/4608", "eprint_id": 4608, "rev_number": 15, "documents": [ { "id": "/id/document/7447", "doc_id": 7447, "rev_number": 2, "files": [ { "id": "/id/file/45522", "fileid": 45522, "datasetid": "document", "objectid": 7447, "filename": "Ashworth_t_1941.pdf", "mime_type": "application/pdf", "filesize": 3735607, "mtime": "2012-12-26 03:10:13", "url": "/4608/1/Ashworth_t_1941.pdf" } ], "eprint_id": 4608, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Ashworth_t_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "Ashworth_t_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23972" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23972" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23972" } ] } }, { "id": "/id/document/23972", "doc_id": 23972, "rev_number": 2, "files": [ { "id": "/id/file/45520", "fileid": 45520, "datasetid": "document", "objectid": 23972, "filename": "preview.png", "mime_type": "image/png", "hash": "4de5d0ab0c9f2793ebac36d2fa898454", "hash_type": "MD5", "filesize": 8396, "mtime": "2012-12-26 03:10:13", "url": "/4608/2/preview.png" } ], "eprint_id": 4608, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7447" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7447" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7447" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/46/08", "datestamp": "2008-12-15", "lastmod": "2023-11-09 23:46:51", "status_changed": "2009-09-25 03:21:55", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Ashworth-Thomas", "name": { "family": "Ashworth", "given": "Thomas" }, "show_email": "NO" }, { "id": "Dilworth-John-Andrew", "name": { "family": "Dilworth", "given": "John Andrew" }, "show_email": "NO" } ] }, "title": "An Analytical Approach to the Problem of Longitudinal Stability of Flying Boats in the Planing Conditions", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "The subject of the longitudinal stability, or \"porpoising\", of flying boats has been the subject of investigation both in this country and abroad. In many cases, recourse to dynamically similar models has been had to determine the stability characteristics of the design in question. In general, however, the bare hull is tested in towing tanks, and the data are presented in the form of curves of resistance, moment, draft, speed, and angle of trim. Conclusions regarding \"porpoising\" of the full scale airplane cannot be drawn from these tests alone, but it is considered possible to evaluate certain of the hydrodynamic derivatives which in conjunction with aerodynamic derivatives obtained from wind tunnel tests, can be used in the stability equation to determine the behavior of the flying boat in the planing region.\r\n\r\nIn the analysis of the problem presented here, most of the derivations of the formulae have been omitted. For a more detailed derivation, reference is made to the thesis of Lieutenant George A. Hatton, U. S. N., entitled \"The Longitudinal Stability of a Flying Boat in the Planing Condition as Computed from Tank Test Data of a Hull Model.\"\r\n\r\nThroughout the analysis, the effect of a drag has been neglected. A discussion of this omission will be made in the conclusion of the paper.\r\n\r\nThe first part of the paper will be concerned with a presentation of the formulae and an example of their use with results of calculations made. The second part will cover the dynamic model tests and a discussion of the equipment used. The conclusion will cover the entire paper.\r\n\r\nIt must be noted that the analysis here is restricted to only the planing condition or that part of the take-off run past the hump, and the formulae are derived for that condition.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-11202008-130754", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11202008-130754", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-12-15", "doi": "10.7907/AP1X-DP12", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "advisor" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-20", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-12-15", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Ashworth, Thomas and Dilworth, John Andrew" }, { "id": "/id/eprint/4594", "eprint_id": 4594, "rev_number": 14, "documents": [ { "id": "/id/document/7428", "doc_id": 7428, "rev_number": 2, "files": [ { "id": "/id/file/45395", "fileid": 45395, "datasetid": "document", "objectid": 7428, "filename": "Tyra_td_1941.pdf", "mime_type": "application/pdf", "filesize": 25512648, "mtime": "2012-12-26 03:10:05", "url": "/4594/1/Tyra_td_1941.pdf" } ], "eprint_id": 4594, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Tyra_td_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "Tyra_td_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23953" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23953" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23953" } ] } }, { "id": "/id/document/23953", "doc_id": 23953, "rev_number": 2, "files": [ { "id": "/id/file/45393", "fileid": 45393, "datasetid": "document", "objectid": 23953, "filename": "preview.png", "mime_type": "image/png", "hash": "a0ccb008949a72e5dcf583511f8a0875", "hash_type": "MD5", "filesize": 10357, "mtime": "2012-12-26 03:10:04", "url": "/4594/2/preview.png" } ], "eprint_id": 4594, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7428" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7428" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7428" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/94", "datestamp": "2008-11-25", "lastmod": "2023-11-10 00:01:12", "status_changed": "2009-09-25 03:21:34", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Tyra-Thomas-Donald", "name": { "family": "Tyra", "given": "Thomas Donald" }, "show_email": "NO" }, { "id": "Hollister-William-Wallace", "name": { "family": "Hollister", "given": "William Wallace" }, "show_email": "NO" } ] }, "title": "A Photoelastic Investigation of the Effect of Cutouts in Panels Subject to Shear and Bending", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "In the design of modern aircraft many structural problems have arisen which are not subject to a simple analysis. Although the usual formulas of elasticity apply, their application becomes too cumbersome for practical use. A problem of this type is the determination of stresses around openings or cutouts. Thus, in monocoque construction there are openings for doors, windows, hatches, etc. Frames and bulkheads are pierced for the passage of conduits, ducts, or other members. In many of these cases, no formal determinations of the stresses can be made. It is well known, however, that stress concentrations do occur at reentrant corners, openings, etc. It was the purpose of this investigation to determine by photoelastic means the amount of this stress concentration, and how it varied in intensity under different conditions of loading, and with various types of openings. ", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-11172008-105645", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11172008-105645", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-25", "doi": "10.7907/Q4B3-CJ36", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "von-K\u00e1rm\u00e1n-Th", "name": { "family": "von K\u00e1rm\u00e1n", "given": "Theodore" }, "role": "advisor" }, { "id": "Sechler-E-E", "name": { "family": "Sechler", "given": "Ernest Edwin" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-17", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-11-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Tyra, Thomas Donald and Hollister, William Wallace" }, { "id": "/id/eprint/4564", "eprint_id": 4564, "rev_number": 17, "documents": [ { "id": "/id/document/7384", "doc_id": 7384, "rev_number": 2, "files": [ { "id": "/id/file/45118", "fileid": 45118, "datasetid": "document", "objectid": 7384, "filename": "Damberg_cf_1941.pdf", "mime_type": "application/pdf", "filesize": 1094074, "mtime": "2012-12-26 03:09:46", "url": "/4564/1/Damberg_cf_1941.pdf" } ], "eprint_id": 4564, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Damberg_cf_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "Damberg_cf_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { 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"http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7387" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7387" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/64", "datestamp": "2008-11-25", "lastmod": "2023-11-09 23:50:46", "status_changed": "2009-09-25 03:20:52", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Damberg-Carl-Fillmore", "name": { "family": "Damberg", "given": "Carl Fillmore" }, "show_email": "NO" }, { "id": "Dane-Paul-Howard", "name": { "family": "Dane", "given": "Paul Howard" } } ] }, "title": "Design Study Of Auxiliary Jet Propulsion Installation on the YO-55 (ERCOUPE) Airplane with an Analysis of Performance and Flight Characteristics", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "In recent years the use of high wing loadings on large high performance airplanes has emphasized the problem of take-off. In many cases the allowable gross weight is limited primarily by take-off considerations.\r\n\r\nThe most effective way to decrease the take-off distance without decreasing wing loading is to increase the available thrust during take-off run and initial climb. The use of auxiliary jet propulsion has been proposed as a means of accomplishing this and considerable interest has been aroused in its development. A program of development and research on jet reaction motors using various types of fuels has been undertaken at the California Institute of Technology during the past year. The development of a jet motor using solid fuel (powder) has reached the stage where it is practical to begin actual flight test experiments with assisted take-offs. For this purpose the U. S. Army Air Corps has made available a YO-55 (Ercoupe) Airplane for installation of auxiliary jet propulsion units and for flight testing. This report is concerned with a study of the various problems involved in the use of jet propulsion on an airplane, and the design of a practical installation on the YO-55 airplane.\r\n\r\nAfter a study of the various factors involved, it was decided to use two jet propulsion assemblies each containing three separate jet motors of approximately 25 lbs. thrust. The assemblies are mounted under the center section of the wing, one on each side just inboard of the main landing wheel fairing. The motors are so designed that in case of an excessive pressure build-up, the nozzle will fly off to the rear and the rest of the motor will be propelled forward clear of the airplane. Particular emphasis was placed on safety of the pilot and the airplane structure.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-11142008-151905", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11142008-151905", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-25", "doi": "10.7907/MBAM-8X54", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-14", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-11-25", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Damberg, Carl Fillmore and Dane, Paul Howard" }, { "id": "/id/eprint/4531", "eprint_id": 4531, "rev_number": 11, "documents": [ { "id": "/id/document/7350", "doc_id": 7350, "rev_number": 2, "files": [ { "id": "/id/file/44864", "fileid": 44864, "datasetid": "document", "objectid": 7350, "filename": "McCoy_hm_1941.pdf", "mime_type": "application/pdf", "filesize": 19038618, "mtime": "2012-12-26 03:09:30", "url": "/4531/1/McCoy_hm_1941.pdf" } ], "eprint_id": 4531, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "McCoy_hm_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "McCoy_hm_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23875" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23875" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23875" } ] } }, { "id": "/id/document/23875", "doc_id": 23875, "rev_number": 2, "files": [ { "id": "/id/file/44862", "fileid": 44862, "datasetid": "document", "objectid": 23875, "filename": "preview.png", "mime_type": "image/png", "hash": "13e133ede23329ed4be8e63b9eb59b75", "hash_type": "MD5", "filesize": 4471, "mtime": "2012-12-26 03:09:30", "url": "/4531/2/preview.png" } ], "eprint_id": 4531, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7350" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7350" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7350" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/45/31", "datestamp": "2008-11-21", "lastmod": "2023-11-09 23:57:42", "status_changed": "2009-09-25 03:20:13", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "McCoy-Howard-Monroe", "name": { "family": "McCoy", "given": "Howard Monroe" }, "show_email": "NO" }, { "id": "Longfelder-Harlowe-Julius", "name": { "family": "Longfelder", "given": "Harlowe Julius" }, "show_email": "NO" } ] }, "title": "Discussion of Two Specialized Aircraft Propeller Problems", "ispublished": "unpub", "full_text_status": "public", "keywords": "Aeronautical Engineering", "abstract": "Part I: Governing and Synchronization\r\nThe design and construction of an aircraft propeller governor or synchronizer is a specialized problem concerning Servo-Mechanism Theory. Search developed that adequate theory existed to cover the specific variables involved. The sources used in this report are listed in the extensive bibliography. Short descriptions are presented of the various governing and synchronizing means used to control present day propellers. In this research an airplane engine-propeller system was simulated and a single unit of a synchronizer, suitable for use as a governor for one engine, was invented and constructed. It was demonstrated to meet the United States Army Air Corps tentative specifications for propeller synchronizers. Time and unavailability of material and overworked shop facilities did not permit the construction of a model for full scale multi-motored airplane test. It is contemplated that such a model will later be constructed at the Materiel Division, United States Air Corps, Wright Field, Dayton, Ohio. A detailed description of this invention is presented in Appendix I. A discussion is presented of the general servo-mechanism theory as applied to airplane propeller governors and synchronizers. In addition, a short discussion is presented of how synchronization of propellers influences the tactical employment of military aircraft. The physiological effect on occupants of aircraft is also shortly discussed.\r\n\r\nPart II: Effect of Variable Engine Reduction Gearing on Aircraft Performance\r\nThe demand for improved performance in aircraft has led through the years to the development of more efficient propulsive systems, starting with the fixed pitch propeller directly driven from the engine and progressing to the modern geared constant speed variable pitch propeller. This development and the reasons for it are briefly described. The continued increase in performance leads to the two speed reduction gear and finally to the continuously variable reduction gear combined with the constant speed variable pitch propeller. The possible advantages of such an installation and the reasons for these advantages are described. Two examples of modern military airplanes are used to illustrate in detail the gains in performance that may be obtained. The extension to probable developments in airplanes to be built in the near future is considered. Mechanical difficulties and control problems are briefly discussed.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-11122008-082157", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11122008-082157", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-21", "doi": "10.7907/9YND-4B66", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_committee": { "items": [ { "name": { "family": "Unknown", "given": "Unknown" } } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-12", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "McCoy, Howard Monroe and Longfelder, Harlowe Julius" }, { "id": "/id/eprint/4430", "eprint_id": 4430, "rev_number": 12, "documents": [ { "id": "/id/document/7223", "doc_id": 7223, "rev_number": 2, "files": [ { "id": "/id/file/44042", "fileid": 44042, "datasetid": "document", "objectid": 7223, "filename": "Lapin_e_1941.pdf", "mime_type": "application/pdf", "filesize": 4636755, "mtime": "2012-12-26 03:08:36", "url": "/4430/1/Lapin_e_1941.pdf" } ], "eprint_id": 4430, "pos": 1, "mime_type": "application/pdf", "format": "application/pdf", "format_desc": "Lapin_e_1941.pdf", "language": "en", "security": "public", "license": "other", "main": "Lapin_e_1941.pdf", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "content": "final", "relation": { "items": [ { "type": "http://eprints.org/relation/hasVolatileVersion", "uri": "/id/document/23752" }, { "type": "http://eprints.org/relation/haspreviewThumbnailVersion", "uri": "/id/document/23752" }, { "type": "http://eprints.org/relation/hasVersion", "uri": "/id/document/23752" } ] } }, { "id": "/id/document/23752", "doc_id": 23752, "rev_number": 2, "files": [ { "id": "/id/file/44040", "fileid": 44040, "datasetid": "document", "objectid": 23752, "filename": "preview.png", "mime_type": "image/png", "hash": "c4801f7e59670cd73e146cdf17ff4eff", "hash_type": "MD5", "filesize": 5830, "mtime": "2012-12-26 03:08:36", "url": "/4430/2/preview.png" } ], "eprint_id": 4430, "pos": 2, "placement": 2, "mime_type": "image/png", "format": "image/png", "language": "en", "security": "public", "license": "other", "main": "preview.png", "media_duration": "0", "media_aspect_ratio": "0", "media_sample_start": "0", "media_sample_stop": "0", "relation": { "items": [ { "type": "http://eprints.org/relation/isVolatileVersionOf", "uri": "/id/document/7223" }, { "type": "http://eprints.org/relation/ispreviewThumbnailVersionOf", "uri": "/id/document/7223" }, { "type": "http://eprints.org/relation/isVersionOf", "uri": "/id/document/7223" } ] } } ], "eprint_status": "archive", "userid": 2, "dir": "disk0/00/00/44/30", "datestamp": "2008-11-21", "lastmod": "2023-11-09 23:56:02", "status_changed": "2009-09-25 03:18:25", "type": "thesis", "metadata_visibility": "show", "creators": { "items": [ { "id": "Lapin-Ellis", "name": { "family": "Lapin", "given": "Ellis" }, "show_email": "NO" } ] }, "title": "The Effect of Gunfire on the Longitudinal Motion of an Airplane", "ispublished": "unpub", "full_text_status": "public", "keywords": "(Aeronautical Engineering)", "abstract": "The effect produced by the reaction forces and moments resulting from the fire of light and heavy calibre rapid fire guns on the path of motion of a modern military aircraft is discussed. This discussion is made on the basis of the \"exact\" equations of motion as developed by Bryan, Routh, and others, using the forms given in Dr. C. B. Millikan's notes on the dynamic stability of the airplane. The formal solution is made by the use of Heaviside operational calculus.\r\n\r\nFor general use there is developed a nomogram based on a series solution to the differential equations of motion. The application of this nomogram is illustrated and it is shown to give an easy and rapid approximation to the disturbance, and a sufficiently accurate one within the time ranges required. Since the exact solution requires several hours and the use of an experienced computer on a computing machine while the nomogram permits slide rule computations and results in a solution within a few minutes, its usefulness is readily apparent. The extension of the methods used in this paper to disturbed lateral motions is briefly discussed.\r\n", "date": "1941", "date_type": "degree", "id_number": "CaltechETD:etd-11062008-151722", "refereed": "FALSE", "official_url": "https://resolver.caltech.edu/CaltechETD:etd-11062008-151722", "rights": "No commercial reproduction, distribution, display or performance rights in this work are provided.", "collection": "CaltechTHESIS", "reviewer": "Kathy Johnson", "local_group": { "items": [ "GALCIT" ] }, "deposited_by": "Imported from ETD-db", "deposited_on": "2008-11-21", "doi": "10.7907/GQG7-6C62", "divisions": { "items": [ "div_eng" ] }, "institution": "California Institute of Technology", "thesis_type": "engd", "thesis_advisor": { "items": [ { "id": "Klein-A-L", "name": { "family": "Klein", "given": "Arthur Louis" }, "role": "advisor" } ] }, "thesis_committee": { "items": [ { "id": "Klein-A-L", "name": { "family": "Klein", "given": "Arthur Louis" }, "role": "chair" }, { "id": "Millikan-C-B", "name": { "family": "Millikan", "given": "Clark Blanchard" }, "role": "member" }, { "id": "Stewart-H-J", "name": { "family": "Stewart", "given": "Homer Joseph" }, "role": "member" }, { "id": "Biot-M-A", "name": { "family": "Biot", "given": "Maurice A." }, "role": "member" } ] }, "thesis_degree": "Engineer", "thesis_degree_grantor": "California Institute of Technology", "thesis_submitted_date": "2008-11-06", "thesis_defense_date": "1941-01-01", "thesis_approved_date": "2008-11-21", "review_status": "approved", "option_major": { "items": [ "aeronautics" ] }, "copyright_statement": "I hereby certify that, if appropriate, I have obtained a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee.\n\nI hereby grant to California Institute of Technology or its agents the non-exclusive\nlicense to archive and make accessible, under the conditions specified below,\nmy thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.", "pub_year": "1941", "author_list": "Lapin, Ellis" } ]