Flow visualization of the coherent structure interactions in the near field of a plane jet.

H. S. Husain, Fazle Hussain

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The two shear layers of an initally laminar plane jet (aspect ratios 96:1 and 23:1) are marked with fluorescent dyes of two different colours and the instability, roll up and interaction of the two shear layers are studied via cine films of the flow field illuminated with a thin sheet of laser light. The interactions between the two shear layers depend on the initial condition. For the initially fully developed velocity profile, antisymmetric vortices are formed periodically in the shear layers; pairing of opposite signed vortices across the jet centreline produces counter gradient transport and intense mixing. (A)

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
PublisherHemisphere Publishing Corp
Edition(ed.), Washington, U.S.A., Hemisphere Publishing Corp., 1985,...
ISBN (Print)0891163778, 9780891163770
StatePublished - 1985

ASJC Scopus subject areas

  • Engineering(all)

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