{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/44408"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/44408","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Near field behavior of reacting free jets","abstract":"Numerical simulations of a nonreacting circular jet and both nonreacting and reacting elliptical jets have been completed. Linear stability analysis was used to force the jets at their most amplified frequency. Circular jet simulations showed low levels of coherent structure formation and little oxidizer entrainment. The nonreacting elliptical jet exhibited out-of-plane vortex dynamics and subsequently, structure merging primarily contained within the minor axis region. Chemical reaction hindered out-of-plane vortex motion causing the reacting jet to form primarily planar vortex rings. The overall structure and level of vorticity of the jet was reduced as a result of chemical reaction. Hydroxyl radical production was primarily concentrated within the vortex structures, as expected, but iso-surfaces of hydroxyl number density showed a planar ring shape indicating that the structures were, in fact, planar.","abstract_html":"Numerical simulations of a nonreacting circular jet and both nonreacting and reacting elliptical jets have been completed. Linear stability analysis was used to force the jets at their most amplified frequency. Circular jet simulations showed low levels of coherent structure formation and little oxidizer entrainment. The nonreacting elliptical jet exhibited out-of-plane vortex dynamics and subsequently, structure merging primarily contained within the minor axis region. Chemical reaction hindered out-of-plane vortex motion causing the reacting jet to form primarily planar vortex rings. The overall structure and level of vorticity of the jet was reduced as a result of chemical reaction. Hydroxyl radical production was primarily concentrated within the vortex structures, as expected, but iso-surfaces of hydroxyl number density showed a planar ring shape indicating that the structures were, in fact, planar.","abstract_has_math":false,"creators":["Blair, Jeffrey Russell"],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Mechanical Engineering","degree_department":"Mechanical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":["Brown, Eugene F."],"committee_members":["Ragab, Saad A.","Vandsburger, Uri"],"year":1995,"date_issued":"1995-06-03","date_published":"1995-06-03","updated_at":"2026-07-22T22:20:37Z","subjects":["chemical reactions"],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-08222009-040538"],"render_values":[{"text":"etd-08222009-040538","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/44408","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Brown, Eugene F."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Ragab, Saad A.","Vandsburger, Uri"]},{"key":"dc:contributor.department","label":"Department","values":["Mechanical Engineering"]},{"key":"dc:creator","label":"Author","values":["Blair, Jeffrey Russell"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:43:35Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:43:35Z","2009-08-22"]},{"key":"dc:date.issued","label":"Date","values":["1995-06-03"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"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":["Mechanical 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":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["chemical reactions"]}]},{"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.other","label":"Dc Identifier Other","values":["etd-08222009-040538"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/44408"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Numerical simulations of a nonreacting circular jet and both nonreacting and reacting elliptical jets have been completed. Linear stability analysis was used to force the jets at their most amplified frequency. Circular jet simulations showed low levels of coherent structure formation and little oxidizer entrainment. The nonreacting elliptical jet exhibited out-of-plane vortex dynamics and subsequently, structure merging primarily contained within the minor axis region. Chemical reaction hindered out-of-plane vortex motion causing the reacting jet to form primarily planar vortex rings. The overall structure and level of vorticity of the jet was reduced as a result of chemical reaction. Hydroxyl radical production was primarily concentrated within the vortex structures, as expected, but iso-surfaces of hydroxyl number density showed a planar ring shape indicating that the structures were, in fact, planar."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Near field behavior of reacting free jets"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Brown, Eugene F."],"dc:contributor.committeemember":["Ragab, Saad A.","Vandsburger, Uri"],"dc:contributor.department":["Mechanical Engineering"],"dc:creator":["Blair, Jeffrey Russell"],"dc:date.accessioned":["2014-03-14T21:43:35Z"],"dc:date.available":["2014-03-14T21:43:35Z","2009-08-22"],"dc:date.issued":["1995-06-03"],"dc:description.abstract":["Numerical simulations of a nonreacting circular jet and both nonreacting and reacting elliptical jets have been completed. Linear stability analysis was used to force the jets at their most amplified frequency. Circular jet simulations showed low levels of coherent structure formation and little oxidizer entrainment. The nonreacting elliptical jet exhibited out-of-plane vortex dynamics and subsequently, structure merging primarily contained within the minor axis region. Chemical reaction hindered out-of-plane vortex motion causing the reacting jet to form primarily planar vortex rings. The overall structure and level of vorticity of the jet was reduced as a result of chemical reaction. 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