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Article: Numerical simulation of vortex shedding from an inclined flat plate

TitleNumerical simulation of vortex shedding from an inclined flat plate
Authors
KeywordsCFD
Vortices
Inclined flat plate
Circular cylinder
Issue Date2010
PublisherHong Kong Polytechnic University. The Journal's web site is located at http://jeacfm.cse.polyu.edu.hk/
Citation
Engineering Applications of Computational Fluid Mechanics, 2010, v. 4 n. 4, p. 569-579 How to Cite?
AbstractVortex shedding flow from a flat plate inclined to a uniform flow at an angle of attack between 20° and 45° is simulated with a finite volume CFD code with RNG k-e urbulence model. The unsteady flow simulation at Re=2xl04 with RANS shows two trains of vortices shed from the two different edges of the plate forming a vortex street in the wake of the plate. The computed results provide support to previous experimental observ ations that in this asymmetric flow geometry, the two trains of vortices in the vortex street possess different vortex strengths. There is further evidence that the vortex from the plate leading edge is actually shed from a location near the trailing end of the plate. The computed flow at successive phases of a vortex shedding cycle show different development and shedding mechanisms for the two trains of vortices. The study also explores the generation mechanism of the fluctuating lift and drag on the plate and its relationship with the vortex shedding processes.
Persistent Identifierhttp://hdl.handle.net/10722/137245
ISSN
2015 Impact Factor: 1.033
2015 SCImago Journal Rankings: 0.626

 

DC FieldValueLanguage
dc.contributor.authorLam, KMen_US
dc.contributor.authorWei, CTen_US
dc.date.accessioned2011-08-26T14:21:43Z-
dc.date.available2011-08-26T14:21:43Z-
dc.date.issued2010en_US
dc.identifier.citationEngineering Applications of Computational Fluid Mechanics, 2010, v. 4 n. 4, p. 569-579en_US
dc.identifier.issn1994-2060en_US
dc.identifier.urihttp://hdl.handle.net/10722/137245-
dc.description.abstractVortex shedding flow from a flat plate inclined to a uniform flow at an angle of attack between 20° and 45° is simulated with a finite volume CFD code with RNG k-e urbulence model. The unsteady flow simulation at Re=2xl04 with RANS shows two trains of vortices shed from the two different edges of the plate forming a vortex street in the wake of the plate. The computed results provide support to previous experimental observ ations that in this asymmetric flow geometry, the two trains of vortices in the vortex street possess different vortex strengths. There is further evidence that the vortex from the plate leading edge is actually shed from a location near the trailing end of the plate. The computed flow at successive phases of a vortex shedding cycle show different development and shedding mechanisms for the two trains of vortices. The study also explores the generation mechanism of the fluctuating lift and drag on the plate and its relationship with the vortex shedding processes.-
dc.languageengen_US
dc.publisherHong Kong Polytechnic University. The Journal's web site is located at http://jeacfm.cse.polyu.edu.hk/-
dc.relation.ispartofEngineering Applications of Computational Fluid Mechanicsen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCFD-
dc.subjectVortices-
dc.subjectInclined flat plate-
dc.subjectCircular cylinder-
dc.titleNumerical simulation of vortex shedding from an inclined flat plateen_US
dc.typeArticleen_US
dc.identifier.emailLam, KM: kmlam@hku.hken_US
dc.identifier.authorityLam, KM=rp00134en_US
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros190698en_US
dc.identifier.volume4en_US
dc.identifier.issue4en_US
dc.identifier.spage569en_US
dc.identifier.epage579en_US

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