{"id":"https://openalex.org/W83713629","doi":"https://doi.org/10.1299/jsmeb.49.1036","title":"Drag Reduction for D-Shape and I-Shape Cylinders (Aerodynamic Mechanism of Reduction of Drag)","display_name":"Drag Reduction for D-Shape and I-Shape Cylinders (Aerodynamic Mechanism of Reduction of Drag)","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W83713629","doi":"https://doi.org/10.1299/jsmeb.49.1036","mag":"83713629"},"language":"en","primary_location":{"id":"doi:10.1299/jsmeb.49.1036","doi":"https://doi.org/10.1299/jsmeb.49.1036","is_oa":true,"landing_page_url":"https://doi.org/10.1299/jsmeb.49.1036","pdf_url":"https://www.jstage.jst.go.jp/article/jsmeb/49/4/49_4_1036/_pdf","source":{"id":"https://openalex.org/S206840828","display_name":"JSME International Journal Series B","issn_l":"1340-8054","issn":["1340-8054","1347-5371"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310313571","host_organization_name":"Japan Society Mechanical Engineers","host_organization_lineage":["https://openalex.org/P4310313571"],"host_organization_lineage_names":["Japan Society Mechanical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JSME International Journal Series B","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/jsmeb/49/4/49_4_1036/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108558864","display_name":"Tamotsu IGARASHI","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11414854","display_name":"National Defence Academy","ror":"https://ror.org/021twv479","country_code":"IN","type":"education","lineage":["https://openalex.org/I11414854"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Tamotsu IGARASHI","raw_affiliation_strings":["Department of Mechanical Engineering, National Defense Academy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, National Defense Academy","institution_ids":["https://openalex.org/I11414854"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030130699","display_name":"Yoshihiko Shiba","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405265369","display_name":"All Nippon Airways Co., Ltd. (Japan)","ror":"https://ror.org/04ksp8t18","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405265369"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihiko SHIBA","raw_affiliation_strings":["All Nippon Airways Co., Air Frame Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All Nippon Airways Co., Air Frame Center","institution_ids":["https://openalex.org/I4405265369"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1419,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.73749555,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"49","issue":"4","first_page":"1036","last_page":"1042"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11254","display_name":"Fluid Dynamics and Vibration Analysis","score":0.9994999766349792,"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/T11254","display_name":"Fluid Dynamics and Vibration Analysis","score":0.9994999766349792,"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/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.0003000000142492354,"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/T13951","display_name":"Fluid dynamics and aerodynamics studies","score":9.999999747378752e-05,"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/drag-reduction","display_name":"drag reduction","score":0.9890000224113464},{"id":"https://openalex.org/keywords/bluff-body-aerodynamics","display_name":"bluff body aerodynamics","score":0.6439999938011169},{"id":"https://openalex.org/keywords/shear-layer-reattachment","display_name":"shear layer reattachment","score":0.8690000176429749},{"id":"https://openalex.org/keywords/boundary-layer-transition","display_name":"boundary layer transition","score":0.9359999895095825},{"id":"https://openalex.org/keywords/turbulent-separation","display_name":"turbulent separation","score":0.6790000200271606},{"id":"https://openalex.org/keywords/wake-width","display_name":"wake width","score":0.9160000085830688},{"id":"https://openalex.org/keywords/vortex-formation","display_name":"vortex formation","score":0.7570000290870667},{"id":"https://openalex.org/keywords/strouhal-number","display_name":"Strouhal number","score":0.9769999980926514},{"id":"https://openalex.org/keywords/base-pressure-coefficient","display_name":"base pressure coefficient","score":0.9639999866485596},{"id":"https://openalex.org/keywords/drag-coefficient","display_name":"drag coefficient","score":0.7680000066757202},{"id":"https://openalex.org/keywords/cutting-angle","display_name":"cutting angle","score":0.6700000166893005}],"concepts":[{"id":"https://openalex.org/C143575951","wikidata":"https://www.wikidata.org/wiki/Q646627","display_name":"Strouhal number","level":4,"score":0.7977504730224609},{"id":"https://openalex.org/C72921944","wikidata":"https://www.wikidata.org/wiki/Q206621","display_name":"Drag","level":2,"score":0.7633707523345947},{"id":"https://openalex.org/C72117827","wikidata":"https://www.wikidata.org/wiki/Q1778961","display_name":"Drag coefficient","level":3,"score":0.7077608704566956},{"id":"https://openalex.org/C48939323","wikidata":"https://www.wikidata.org/wiki/Q294879","display_name":"Wake","level":2,"score":0.6458799839019775},{"id":"https://openalex.org/C203311528","wikidata":"https://www.wikidata.org/wiki/Q34132","display_name":"Cylinder","level":2,"score":0.6417250037193298},{"id":"https://openalex.org/C182748727","wikidata":"https://www.wikidata.org/wiki/Q178932","display_name":"Reynolds number","level":3,"score":0.638242244720459},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6276153922080994},{"id":"https://openalex.org/C178760647","wikidata":"https://www.wikidata.org/wiki/Q28129961","display_name":"Vortex shedding","level":4,"score":0.5943151116371155},{"id":"https://openalex.org/C111603439","wikidata":"https://www.wikidata.org/wiki/Q752193","display_name":"Boundary layer","level":2,"score":0.5166388154029846},{"id":"https://openalex.org/C16201104","wikidata":"https://www.wikidata.org/wiki/Q2488092","display_name":"Parasitic drag","level":3,"score":0.5075108408927917},{"id":"https://openalex.org/C145244895","wikidata":"https://www.wikidata.org/wiki/Q206621","display_name":"Aerodynamic drag","level":3,"score":0.4688699543476105},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.45793581008911133},{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.45640623569488525},{"id":"https://openalex.org/C77576233","wikidata":"https://www.wikidata.org/wiki/Q1545856","display_name":"Flow separation","level":3,"score":0.4459901750087738},{"id":"https://openalex.org/C107157880","wikidata":"https://www.wikidata.org/wiki/Q845727","display_name":"Lift-to-drag ratio","level":3,"score":0.4406871497631073},{"id":"https://openalex.org/C137589782","wikidata":"https://www.wikidata.org/wiki/Q8069450","display_name":"Zero-lift drag coefficient","level":5,"score":0.42826399207115173},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4155122637748718},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.374652624130249},{"id":"https://openalex.org/C195637266","wikidata":"https://www.wikidata.org/wiki/Q1662148","display_name":"Lift-induced drag","level":4,"score":0.36884427070617676},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.3549349308013916},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1868947446346283}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1299/jsmeb.49.1036","doi":"https://doi.org/10.1299/jsmeb.49.1036","is_oa":true,"landing_page_url":"https://doi.org/10.1299/jsmeb.49.1036","pdf_url":"https://www.jstage.jst.go.jp/article/jsmeb/49/4/49_4_1036/_pdf","source":{"id":"https://openalex.org/S206840828","display_name":"JSME International Journal Series B","issn_l":"1340-8054","issn":["1340-8054","1347-5371"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310313571","host_organization_name":"Japan Society Mechanical Engineers","host_organization_lineage":["https://openalex.org/P4310313571"],"host_organization_lineage_names":["Japan Society Mechanical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JSME International Journal Series B","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1299/jsmeb.49.1036","doi":"https://doi.org/10.1299/jsmeb.49.1036","is_oa":true,"landing_page_url":"https://doi.org/10.1299/jsmeb.49.1036","pdf_url":"https://www.jstage.jst.go.jp/article/jsmeb/49/4/49_4_1036/_pdf","source":{"id":"https://openalex.org/S206840828","display_name":"JSME International Journal Series B","issn_l":"1340-8054","issn":["1340-8054","1347-5371"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310313571","host_organization_name":"Japan Society Mechanical Engineers","host_organization_lineage":["https://openalex.org/P4310313571"],"host_organization_lineage_names":["Japan Society Mechanical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JSME International Journal Series B","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W83713629.pdf","grobid_xml":"https://content.openalex.org/works/W83713629.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W1582846548","https://openalex.org/W1975459607","https://openalex.org/W1998265422","https://openalex.org/W1999603355","https://openalex.org/W2002801382","https://openalex.org/W2012685242","https://openalex.org/W2062404289","https://openalex.org/W2066461956","https://openalex.org/W2082733844","https://openalex.org/W2154423352","https://openalex.org/W2319387164","https://openalex.org/W2328591430"],"related_works":["https://openalex.org/W2742686047","https://openalex.org/W388022079","https://openalex.org/W576521428","https://openalex.org/W2744485794","https://openalex.org/W2062837322","https://openalex.org/W2647639999","https://openalex.org/W2053972068","https://openalex.org/W1923869099","https://openalex.org/W3119380773","https://openalex.org/W272657761"],"abstract_inverted_index":{"The":[0,100,127],"aerodynamic":[1],"mechanisms":[2],"for":[3,8,50,123],"the":[4,38,57,62,67,71,77,89,94,106,112,116,121,130],"reduction":[5],"of":[6,16,47,70,115,129],"drag":[7,113],"a":[9,13,17,44,74,87,124],"D-shape":[10,39],"cylinder,":[11,26,72],"wherein":[12,27],"front":[14,28,63],"face":[15],"circular":[18,68,125],"cylinder":[19],"is":[20],"cut":[21,33],"off,":[22,34],"and":[23,29,40,49,73,93,111],"an":[24],"I-shape":[25,41],"rear":[30],"faces":[31],"are":[32,35,133],"investigated.":[36],"For":[37],"cylinders":[42,117],"with":[43],"cutting":[45],"angle":[46],"50-53\u00b0":[48],"Reynolds":[51],"number":[52,102],"Re":[53],">":[54],"2.3\u00d7":[55],"104,":[56],"shear":[58],"layer":[59,79],"separated":[60],"from":[61],"edge":[64],"reattaches":[65],"on":[66],"arc":[69],"transition":[75],"in":[76],"boundary":[78],"as":[80,82],"well":[81],"turbulent":[83],"separation":[84],"occur.":[85],"As":[86],"result,":[88],"wake":[90],"width":[91],"decreases":[92,118],"vortex":[95],"formation":[96],"region":[97],"goes":[98],"downstream.":[99],"Strouhal":[101],"increases":[103],"beyond":[104],"0.28,":[105],"base":[107],"pressure":[108],"coefficient":[109,114],"rises,":[110],"to":[119],"half":[120],"value":[122],"cylinder.":[126],"conditions":[128],"above":[131],"phenomena":[132],"clarified.":[134]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
