{"id":"https://openalex.org/W2009201666","doi":"https://doi.org/10.2514/2.510","title":"Challenges in Understanding the Vortex Dynamics of Helicopter Rotor Wakes","display_name":"Challenges in Understanding the Vortex Dynamics of Helicopter Rotor Wakes","publication_year":1998,"publication_date":"1998-07-01","ids":{"openalex":"https://openalex.org/W2009201666","doi":"https://doi.org/10.2514/2.510","mag":"2009201666"},"language":"en","primary_location":{"id":"doi:10.2514/2.510","doi":"https://doi.org/10.2514/2.510","is_oa":false,"landing_page_url":"https://doi.org/10.2514/2.510","pdf_url":null,"source":{"id":"https://openalex.org/S53336109","display_name":"AIAA Journal","issn_l":"0001-1452","issn":["0001-1452","1081-0102","1533-385X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-2","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIAA Journal","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075528331","display_name":"J. Gordon Leishman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Gordon Leishman","raw_affiliation_strings":["University of Maryland, College Park, Maryland 20742"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, Maryland 20742","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027134365","display_name":"Ashish Bagai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ashish Bagai","raw_affiliation_strings":["University of Maryland, College Park, Maryland 20742"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, Maryland 20742","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I66946132"],"apc_list":null,"apc_paid":null,"fwci":11.3705,"has_fulltext":false,"cited_by_count":86,"citation_normalized_percentile":{"value":0.99257779,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"36","issue":"7","first_page":"1130","last_page":"1140"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.67330002784729,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.67330002784729,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.0869000032544136,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10173","display_name":"Computational Fluid Dynamics and Aerodynamics","score":0.07209999859333038,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/helicopter-rotor-wake","display_name":"helicopter rotor wake","score":0.9769999980926514},{"id":"https://openalex.org/keywords/vortex-dynamics","display_name":"vortex dynamics","score":0.921999990940094},{"id":"https://openalex.org/keywords/blade-vortex-interaction","display_name":"blade-vortex interaction","score":0.902999997138977},{"id":"https://openalex.org/keywords/vortex-perturbation","display_name":"vortex perturbation","score":0.9399999976158142},{"id":"https://openalex.org/keywords/wake-instability","display_name":"wake instability","score":0.9509999752044678},{"id":"https://openalex.org/keywords/vortex-surface-interaction","display_name":"vortex-surface interaction","score":0.828000009059906},{"id":"https://openalex.org/keywords/flow-visualization","display_name":"flow visualization","score":0.9150000214576721},{"id":"https://openalex.org/keywords/laser-doppler-velocimetry","display_name":"laser Doppler anemometry","score":0.9340000152587891},{"id":"https://openalex.org/keywords/rotor-aerodynamics","display_name":"rotor aerodynamics","score":0.8109999895095825}],"concepts":[{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.6614805459976196},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.647986650466919},{"id":"https://openalex.org/C177124886","wikidata":"https://www.wikidata.org/wiki/Q1343028","display_name":"Helicopter rotor","level":3,"score":0.603091835975647},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.5559231042861938},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.5345615148544312},{"id":"https://openalex.org/C178904275","wikidata":"https://www.wikidata.org/wiki/Q1044416","display_name":"K\u00e1rm\u00e1n vortex street","level":4,"score":0.5155107975006104},{"id":"https://openalex.org/C178760647","wikidata":"https://www.wikidata.org/wiki/Q28129961","display_name":"Vortex shedding","level":4,"score":0.5144363045692444},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.4887571334838867},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.48009708523750305},{"id":"https://openalex.org/C201923624","wikidata":"https://www.wikidata.org/wiki/Q1037959","display_name":"Wake turbulence","level":3,"score":0.426031231880188},{"id":"https://openalex.org/C48939323","wikidata":"https://www.wikidata.org/wiki/Q294879","display_name":"Wake","level":2,"score":0.4156431257724762},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3490923047065735},{"id":"https://openalex.org/C178802073","wikidata":"https://www.wikidata.org/wiki/Q8421","display_name":"Aeronautics","level":1,"score":0.3276941776275635},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.251298725605011},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.2061060070991516},{"id":"https://openalex.org/C182748727","wikidata":"https://www.wikidata.org/wiki/Q178932","display_name":"Reynolds number","level":3,"score":0.16377979516983032},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.1558903157711029},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2514/2.510","doi":"https://doi.org/10.2514/2.510","is_oa":false,"landing_page_url":"https://doi.org/10.2514/2.510","pdf_url":null,"source":{"id":"https://openalex.org/S53336109","display_name":"AIAA Journal","issn_l":"0001-1452","issn":["0001-1452","1081-0102","1533-385X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-2","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIAA Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":99,"referenced_works":["https://openalex.org/W102471842","https://openalex.org/W124446277","https://openalex.org/W164466299","https://openalex.org/W231528167","https://openalex.org/W252082612","https://openalex.org/W282355037","https://openalex.org/W329060783","https://openalex.org/W334851078","https://openalex.org/W372052907","https://openalex.org/W570395243","https://openalex.org/W773369049","https://openalex.org/W1498969366","https://openalex.org/W1504415003","https://openalex.org/W1507290680","https://openalex.org/W1511250878","https://openalex.org/W1536563051","https://openalex.org/W1556033510","https://openalex.org/W1571960827","https://openalex.org/W1597359858","https://openalex.org/W1805315956","https://openalex.org/W1853962128","https://openalex.org/W1971468158","https://openalex.org/W1974110919","https://openalex.org/W1976730103","https://openalex.org/W1979968301","https://openalex.org/W1982013453","https://openalex.org/W1987993373","https://openalex.org/W1993272379","https://openalex.org/W1993934527","https://openalex.org/W1996794409","https://openalex.org/W1996954920","https://openalex.org/W1997077143","https://openalex.org/W2002180284","https://openalex.org/W2007165092","https://openalex.org/W2007974411","https://openalex.org/W2009132379","https://openalex.org/W2010551792","https://openalex.org/W2015047483","https://openalex.org/W2016303075","https://openalex.org/W2018722852","https://openalex.org/W2020403751","https://openalex.org/W2025772575","https://openalex.org/W2026319143","https://openalex.org/W2036287687","https://openalex.org/W2040118755","https://openalex.org/W2042597604","https://openalex.org/W2045085933","https://openalex.org/W2049287366","https://openalex.org/W2049593363","https://openalex.org/W2051685104","https://openalex.org/W2054354337","https://openalex.org/W2054809470","https://openalex.org/W2059744929","https://openalex.org/W2061269645","https://openalex.org/W2068253836","https://openalex.org/W2069694696","https://openalex.org/W2070517576","https://openalex.org/W2075178318","https://openalex.org/W2080687334","https://openalex.org/W2083954480","https://openalex.org/W2084285269","https://openalex.org/W2092656543","https://openalex.org/W2104666857","https://openalex.org/W2106626592","https://openalex.org/W2106683183","https://openalex.org/W2120588257","https://openalex.org/W2151570947","https://openalex.org/W2170129620","https://openalex.org/W2171532262","https://openalex.org/W2218388240","https://openalex.org/W2313114790","https://openalex.org/W2317596528","https://openalex.org/W2319528724","https://openalex.org/W2325132762","https://openalex.org/W2327131900","https://openalex.org/W2329950819","https://openalex.org/W2461064362","https://openalex.org/W2466696352","https://openalex.org/W2484850828","https://openalex.org/W2521708927","https://openalex.org/W2540891886","https://openalex.org/W2564317043","https://openalex.org/W2570290425","https://openalex.org/W2625101102","https://openalex.org/W2627847623","https://openalex.org/W2683177156","https://openalex.org/W2726695138","https://openalex.org/W2728564155","https://openalex.org/W2735322090","https://openalex.org/W2737888153","https://openalex.org/W2738357292","https://openalex.org/W2746395892","https://openalex.org/W2997213428","https://openalex.org/W3019745150","https://openalex.org/W3041645495","https://openalex.org/W3166868886","https://openalex.org/W3174609647","https://openalex.org/W4244785627","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2320443324","https://openalex.org/W7099566417","https://openalex.org/W409822671","https://openalex.org/W834165437","https://openalex.org/W4253389832","https://openalex.org/W2629763437","https://openalex.org/W7096533447","https://openalex.org/W2319112498","https://openalex.org/W7099790781","https://openalex.org/W244872052"],"abstract_inverted_index":{"Many":[0],"experimental":[1],"challenges":[2],"are":[3,19],"encountered":[4],"when":[5],"attempting":[6],"to":[7],"understand":[8],"the":[9],"complex":[10],"vortical":[11],"wakes":[12],"generated":[13],"by":[14,21],"helicopter":[15],"rotors.":[16],"The":[17],"problems":[18],"illustrated":[20],"means":[22],"of":[23],"several":[24],"examples,":[25],"including":[26],"blade/vortex":[27],"interactions,":[28],"vortex":[29],"perturbations,":[30],"wake":[31],"instabilities,":[32],"and":[33,44],"vortex/surface":[34],"interaction":[35],"phenomena.":[36],"Specific":[37],"emphasis":[38],"is":[39],"placed":[40],"on":[41],"flow":[42],"visualization":[43],"quantitative":[45],"measurements":[46],"using":[47],"laser":[48],"Doppler":[49],"velocimetry":[50]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}
