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Article: Inviscid secondary instability of the far wake

TitleInviscid secondary instability of the far wake
Authors
Issue Date1990
Citation
Physics Of Fluids A, 1990, v. 2 n. 7, p. 1149-1157 How to Cite?
AbstractThe three-dimensional (3-D) instability of a parallel mean flow and a two-dimensional (2-D) wave is examined. Such secondary instability is shown to exist for the Gaussian profile as a model for the wake. Numerical results are obtained based upon a recently proposed wave-mean-flow interaction mechanism, with the assumptions of temporal problem and inviscid flows. Classical 2-D instability is strong in the near wake but decays to zero in the far wake, where it is overwhelmed by 3-D instability. It is conjectured that this will qualitatively explain the emergence of three-dimensionality in the far wake. © 1990 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/156931
ISSN

 

DC FieldValueLanguage
dc.contributor.authorChow, KWen_US
dc.date.accessioned2012-08-08T08:44:35Z-
dc.date.available2012-08-08T08:44:35Z-
dc.date.issued1990en_US
dc.identifier.citationPhysics Of Fluids A, 1990, v. 2 n. 7, p. 1149-1157en_US
dc.identifier.issn0899-8213en_US
dc.identifier.urihttp://hdl.handle.net/10722/156931-
dc.description.abstractThe three-dimensional (3-D) instability of a parallel mean flow and a two-dimensional (2-D) wave is examined. Such secondary instability is shown to exist for the Gaussian profile as a model for the wake. Numerical results are obtained based upon a recently proposed wave-mean-flow interaction mechanism, with the assumptions of temporal problem and inviscid flows. Classical 2-D instability is strong in the near wake but decays to zero in the far wake, where it is overwhelmed by 3-D instability. It is conjectured that this will qualitatively explain the emergence of three-dimensionality in the far wake. © 1990 American Institute of Physics.en_US
dc.languageengen_US
dc.relation.ispartofPhysics of Fluids Aen_US
dc.titleInviscid secondary instability of the far wakeen_US
dc.typeArticleen_US
dc.identifier.emailChow, KW:kwchow@hku.hken_US
dc.identifier.authorityChow, KW=rp00112en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-36549102123en_US
dc.identifier.volume2en_US
dc.identifier.issue7en_US
dc.identifier.spage1149en_US
dc.identifier.epage1157en_US
dc.identifier.scopusauthoridChow, KW=13605209900en_US

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