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On the impulse response for swept boundary-layer flows

Published online by Cambridge University Press:  10 August 1997

R. J. LINGWOOD
R. J. LINGWOOD
Affiliation:
Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK
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Abstract

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Swept-wedge flows are used to study the effects of pressure gradient and flow angle on the stability of three-dimensional laminar boundary layers. It is shown that the flow is absolutely unstable in the chordwise direction, i.e. disturbances grow in time at every chordwise location, for certain parameter combinations. However, laminar–turbulent transition may still be a convective process.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 344 , 10 August 1997, pp. 317 - 334
Copyright
© 1997 Cambridge University Press