Author:
SEIDEL JÜRGEN,FASEL HERMANN F.
Abstract
The effect of high-amplitude forcing on a laminar wall jet over a heated flat plate is
analysed. Highly accurate direct numerical simulations (DNS) are used to investigate
the dominant transport mechanisms. When forcing is applied, the skin friction is
reduced markedly and the wall heat transfer is increased. Detailed examination of
the unsteady flow field showed that the concepts of eddy viscosity and eddy thermal
diffusivity, usually applied to turbulent flows, can be applied to the analysis of
unsteady laminar flows to explain the effect of highly unsteady phenomena.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
13 articles.
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