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Local isotropy in complex turbulent boundary layers at high Reynolds number

Published online by Cambridge University Press:  10 October 1997

SEYED G. SADDOUGHI
SEYED G. SADDOUGHI
Affiliation:
Present address: General Electric Corporate Research & Development, K-1, ES-210, One Research Circle, P.O. Box 8, Schenectady, NY 12301, USA. Center for Turbulence Research, Bldg 500, Stanford University, CA 94305, USA and NASA Ames Research Center, Moffett Field, CA 94035, USA
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Abstract

To continue our (Saddoughi & Veeravalli 1994) tests of the local-isotropy predictions of Kolmogorov's (1941) universal equilibrium theory in shear flows, we have taken hot-wire measurements of the velocity fluctuations in complex turbulent boundary layers at several Reynolds numbers. We have studied the plane-of-symmetry flow upstream of a 4 ft diameter, 6 ft long circular cylinder placed with its axis vertical in the zero-pressure-gradient turbulent boundary layer of the test-section ceiling in the 80 ft x 120 ft Full-Scale Aerodynamics Facility at NASA Ames Research Center.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 348 , 10 October 1997 , pp. 201 - 245
Copyright
© 1997 Cambridge University Press

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