{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/64745"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/64745","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Inlet model testing facility preparation, injector calibration and preliminary testing of two two-dimensional inlet models at high incidence angles to study internal flow separation","abstract":"An experimental study of internal flow separation at high incidence angles for two two-dimensional inlet models is presented. A description of the inlet testing facility includes the injector (which serves to drive the air through the inlet model), its control system, and the Virginia Tech 6-foot subsonic wind tunnel. The geometry of the two inlet models is discussed and the inlet model instrumentation is described. The injector is calibrated in preparation for the inlet model tests and found to exhibit satisfactory performance. Inlet models GE-1 and GE-2 are tested at incidence angles of 0°, 15°, and 30°, and at throat Mach numbers of 0.38, and 0.73. Preliminary data is presented and comparisons show a favorable trend toward delaying internal flow separation for the inlet model which has a thicker lip (higher contraction ratio).","abstract_html":"An experimental study of internal flow separation at high incidence angles for two two-dimensional inlet models is presented. A description of the inlet testing facility includes the injector (which serves to drive the air through the inlet model), its control system, and the Virginia Tech 6-foot subsonic wind tunnel. The geometry of the two inlet models is discussed and the inlet model instrumentation is described. The injector is calibrated in preparation for the inlet model tests and found to exhibit satisfactory performance. Inlet models GE-1 and GE-2 are tested at incidence angles of 0°, 15°, and 30°, and at throat Mach numbers of 0.38, and 0.73. Preliminary data is presented and comparisons show a favorable trend toward delaying internal flow separation for the inlet model which has a thicker lip (higher contraction ratio).","abstract_has_math":false,"creators":["Hatfield, Daniel Robert"],"institution":"Virginia Polytechnic Institute and State University","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Aerospace and Ocean Engineering","degree_department":"Aerospace and Ocean Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1978,"date_issued":"1978","date_published":"1978","updated_at":"2026-07-22T22:18:57Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10919/64745","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Aerospace and Ocean Engineering"]},{"key":"dc:creator","label":"Author","values":["Hatfield, Daniel Robert"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-02-01T18:59:36Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-02-01T18:59:36Z"]},{"key":"dc:date.issued","label":"Date","values":["1978"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Polytechnic Institute and State University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Aerospace and Ocean Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/64745"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["An experimental study of internal flow separation at high incidence angles for two two-dimensional inlet models is presented. A description of the inlet testing facility includes the injector (which serves to drive the air through the inlet model), its control system, and the Virginia Tech 6-foot subsonic wind tunnel. The geometry of the two inlet models is discussed and the inlet model instrumentation is described. The injector is calibrated in preparation for the inlet model tests and found to exhibit satisfactory performance. Inlet models GE-1 and GE-2 are tested at incidence angles of 0°, 15°, and 30°, and at throat Mach numbers of 0.38, and 0.73. Preliminary data is presented and comparisons show a favorable trend toward delaying internal flow separation for the inlet model which has a thicker lip (higher contraction ratio)."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Inlet model testing facility preparation, injector calibration and preliminary testing of two two-dimensional inlet models at high incidence angles to study internal flow separation"]}]}],"canonical_facts":{"dc:contributor.department":["Aerospace and Ocean Engineering"],"dc:creator":["Hatfield, Daniel Robert"],"dc:date.accessioned":["2016-02-01T18:59:36Z"],"dc:date.available":["2016-02-01T18:59:36Z"],"dc:date.issued":["1978"],"dc:description.abstract":["An experimental study of internal flow separation at high incidence angles for two two-dimensional inlet models is presented. A description of the inlet testing facility includes the injector (which serves to drive the air through the inlet model), its control system, and the Virginia Tech 6-foot subsonic wind tunnel. The geometry of the two inlet models is discussed and the inlet model instrumentation is described. The injector is calibrated in preparation for the inlet model tests and found to exhibit satisfactory performance. Inlet models GE-1 and GE-2 are tested at incidence angles of 0°, 15°, and 30°, and at throat Mach numbers of 0.38, and 0.73. Preliminary data is presented and comparisons show a favorable trend toward delaying internal flow separation for the inlet model which has a thicker lip (higher contraction ratio)."],"dc:description.degree":["Master of Science"],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["http://hdl.handle.net/10919/64745"],"dc:language.iso":["en"],"dc:publisher":["Virginia Polytechnic Institute and State University"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["Inlet model testing facility preparation, injector calibration and preliminary testing of two two-dimensional inlet models at high incidence angles to study internal flow separation"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Aerospace and Ocean Engineering"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:18:57Z"}