{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83999"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83999","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"An Experimental Study of Unsteady Flow Over Airfoils Near Stall","abstract":"The remaining six airfoils did not exhibit low-frequency unsteady behavior near stall and the resulting lift fluctuations were very small (less than 0.040). These airfoils exhibited trailing-edge separation which moved forward on the airfoil as the angle of attack was increased into stall. The separation was not uniform along the span and the surface flowfield was indicative of stall-cell structures observed by others. This spanwise variation was also observed in the wake.","abstract_html":"The remaining six airfoils did not exhibit low-frequency unsteady behavior near stall and the resulting lift fluctuations were very small (less than 0.040). These airfoils exhibited trailing-edge separation which moved forward on the airfoil as the angle of attack was increased into stall. The separation was not uniform along the span and the surface flowfield was indicative of stall-cell structures observed by others. This spanwise variation was also observed in the wake.","abstract_has_math":false,"creators":["Broeren, Andy Paul"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Bragg, Michael B."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:13:05Z","date_published":"2015-09-25T21:13:05Z","updated_at":"2026-07-22T22:26:22Z","subjects":["Engineering, Aerospace"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9955592"],"render_values":[{"text":"(MiAaPQ)AAI9955592","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83999","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Bragg, Michael B."]},{"key":"dc:creator","label":"Author","values":["Broeren, Andy Paul"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:13:05Z","10000-01-01","2000"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Aerospace"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/83999","(MiAaPQ)AAI9955592"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The remaining six airfoils did not exhibit low-frequency unsteady behavior near stall and the resulting lift fluctuations were very small (less than 0.040). 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