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Article: Characteristics of flows over an asymmetrically grooved circular cylinder in the transitional regimes

TitleCharacteristics of flows over an asymmetrically grooved circular cylinder in the transitional regimes
Authors
Leung, YCWong, CHKo, NWM
Issue Date1997
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jweia
Citation
Journal of Wind Engineering and Industrial Aerodynamics, 1997, v. 69-71, p. 169-178 How to Cite?
AbstractThe transition characteristics of flows over an asymmetrically grooved circular cylinder have been investigated experimentally. Two flow configurations, subcritical-critical and subcritical-upper supercritical, respectively have been identified within the Reynolds number range 4.4 × 104-1.3 × 105. It was found that the flow on the smooth side is within the subcritical regime of a smooth cylinder throughout the range studied, while higher flow regimes occur on the grooved side. At the Reynolds number between 7.0 × 104 and 7.2 × 104 the flow on the grooved side oscillates between the critical and upper supercritical flow regimes, which is accounted for the formation and burst of the separation bubble on the grooved side.
Persistent Identifierhttp://hdl.handle.net/10722/156464
ISSN
0167-6105
2021 Impact Factor: 4.437
2020 SCImago Journal Rankings: 1.136
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLeung, YCen_US
dc.contributor.authorWong, CHen_US
dc.contributor.authorKo, NWMen_US
dc.date.accessioned2012-08-08T08:42:31Z-
dc.date.available2012-08-08T08:42:31Z-
dc.date.issued1997en_US
dc.identifier.citationJournal of Wind Engineering and Industrial Aerodynamics, 1997, v. 69-71, p. 169-178en_US
dc.identifier.issn0167-6105en_US
dc.identifier.urihttp://hdl.handle.net/10722/156464-
dc.description.abstractThe transition characteristics of flows over an asymmetrically grooved circular cylinder have been investigated experimentally. Two flow configurations, subcritical-critical and subcritical-upper supercritical, respectively have been identified within the Reynolds number range 4.4 × 104-1.3 × 105. It was found that the flow on the smooth side is within the subcritical regime of a smooth cylinder throughout the range studied, while higher flow regimes occur on the grooved side. At the Reynolds number between 7.0 × 104 and 7.2 × 104 the flow on the grooved side oscillates between the critical and upper supercritical flow regimes, which is accounted for the formation and burst of the separation bubble on the grooved side.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jweiaen_US
dc.relation.ispartofJournal of Wind Engineering and Industrial Aerodynamicsen_US
dc.rightsJournal of Wind Engineering & Industrial Aerodynamics. Copyright © Elsevier BV.-
dc.titleCharacteristics of flows over an asymmetrically grooved circular cylinder in the transitional regimesen_US
dc.typeArticleen_US
dc.identifier.emailLeung, YC: ycleung@hku.hken_US
dc.identifier.emailKo, NWM: nwmko@hkucc.hku.hk-
dc.identifier.authorityLeung, YC=rp00149en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031177911en_US
dc.identifier.hkuros31913-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031177911&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume69-71en_US
dc.identifier.spage169en_US
dc.identifier.epage178en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridLeung, YC=7203002484en_US
dc.identifier.scopusauthoridWong, CH=36862867400en_US
dc.identifier.scopusauthoridKo, NWM=24522564300en_US
dc.identifier.issnl0167-6105-

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