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Article: Flow past circular cylinder with different surface configurations

TitleFlow past circular cylinder with different surface configurations
Authors
Issue Date1992
PublisherASME International. The Journal's web site is located at http://asmedl.aip.org/Fluids
Citation
Journal of Fluids Engineering, 1992, v. 114 n. 2, p. 170-177 How to Cite?
AbstractMeasurements of the mean pressure distributions and Strouhal numbers on partially grooved cylinders with different groove subtend angles were made over a Reynolds number range of 2.0 × 104 to 1.3 × 105 which was within the subcritical regime of smooth cylinder. The Strouhal number, pressure distributions, and their respective coefficients were found to be a function of the groove subtend angles. In general, a progressive shift of the flow regime to lower Reynolds number was observed with higher subtend angle and a subtend angle of 75 deg was found for optimum drag reduction. With the configuration of asymmetrical groove surface, lower drag, and higher lift coefficients were obtained within the same Reynolds number range. Wake traverse and boundary layer results of the asymmetric grooved cylinder indicated that the flows at the smooth and groove surfaces lied within different flow regimes and a downward shift of the wake.
Persistent Identifierhttp://hdl.handle.net/10722/156369
ISSN
2023 Impact Factor: 1.8
2023 SCImago Journal Rankings: 0.543
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLeung, YCen_US
dc.contributor.authorKo, NWMen_US
dc.contributor.authorTang, KMen_US
dc.date.accessioned2012-08-08T08:42:10Z-
dc.date.available2012-08-08T08:42:10Z-
dc.date.issued1992en_US
dc.identifier.citationJournal of Fluids Engineering, 1992, v. 114 n. 2, p. 170-177en_US
dc.identifier.issn0098-2202en_US
dc.identifier.urihttp://hdl.handle.net/10722/156369-
dc.description.abstractMeasurements of the mean pressure distributions and Strouhal numbers on partially grooved cylinders with different groove subtend angles were made over a Reynolds number range of 2.0 × 104 to 1.3 × 105 which was within the subcritical regime of smooth cylinder. The Strouhal number, pressure distributions, and their respective coefficients were found to be a function of the groove subtend angles. In general, a progressive shift of the flow regime to lower Reynolds number was observed with higher subtend angle and a subtend angle of 75 deg was found for optimum drag reduction. With the configuration of asymmetrical groove surface, lower drag, and higher lift coefficients were obtained within the same Reynolds number range. Wake traverse and boundary layer results of the asymmetric grooved cylinder indicated that the flows at the smooth and groove surfaces lied within different flow regimes and a downward shift of the wake.en_US
dc.languageengen_US
dc.publisherASME International. The Journal's web site is located at http://asmedl.aip.org/Fluidsen_US
dc.relation.ispartofJournal of Fluids Engineeringen_US
dc.titleFlow past circular cylinder with different surface configurationsen_US
dc.typeArticleen_US
dc.identifier.emailLeung, YC: ycleung@hku.hken_US
dc.identifier.authorityLeung, YC=rp00149en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0026881447en_US
dc.identifier.volume114en_US
dc.identifier.issue2en_US
dc.identifier.spage170en_US
dc.identifier.epage177en_US
dc.identifier.isiWOS:A1992JB60400005-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLeung, YC=7203002484en_US
dc.identifier.scopusauthoridKo, NWM=24522564300en_US
dc.identifier.scopusauthoridTang, KM=7401589577en_US
dc.customcontrol.immutablesml 130503-
dc.identifier.issnl0098-2202-

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