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Turbulence measurements in a three-dimensional boundary layer in supersonic flow

Published online by Cambridge University Press:  10 October 1998

WOLFGANG KONRAD  and
ALEXANDER J. SMITS
WOLFGANG KONRAD
Affiliation:
Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544-0710, USA Present address: BMW AG, EA20, 80788 München, Germany.
ALEXANDER J. SMITS
Affiliation:
Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544-0710, USA
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Abstract

Turbulence measurements were obtained in a three-dimensional supersonic turbulent boundary layer. A 20° curved fin was used to generate a three-dimensional compression of a boundary layer at Mach 3 in the absence of shock waves. Data include hot-wire measurements of five components of the Reynolds stress tensor. The results are interpreted in terms of the mean flow field history of the turbulence. It is demonstrated that in-plane curvature can have a strong stabilizing effect on the turbulence.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 372 , 10 October 1998 , pp. 1 - 23
Copyright
© 1998 Cambridge University Press

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