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A shear-free turbulent boundary layer

Published online by Cambridge University Press:  28 March 2006

T. Uzkan  and
W. C. Reynolds
T. Uzkan
Affiliation:
Present address: Yaver-Selahattin 10/4, Emirgan, Istanbul, Turkey. Department of Mechanical Engineering, Stanford University
W. C. Reynolds
Affiliation:
Department of Mechanical Engineering, Stanford University
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Abstract

A simple wall-turbulence interaction has been studied experimentally. In the idealized model an infinite flat plate is suddenly inserted into a pre-existing field of homogeneous isotropic turbulence, and subsequent changes in the turbulence field examined. The experiment involved passing grid-produced turbulence over a wall moving at the mean speed. Mean velocity gradients vanish in both the model and experiment, and hence production of new turbulence is absent. This allowed the inhibiting effects of the wall to be studied separately. The growth of the ‘inhomogeneity layer’ into the impressed turbulence field and other statistical features of the turbulence were measured.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 28 , Issue 4 , 22 June 1967 , pp. 803 - 821
Copyright
© 1967 Cambridge University Press

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References

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