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The mean velocity profile of turbulent boundary layers with system rotation

Published online by Cambridge University Press:  10 April 2000

T. B. NICKELS  and
P. N. JOUBERT
T. B. NICKELS
Affiliation:
Department of Engineering, Trumpington Street, Cambridge CB2 1PZ, UK
P. N. JOUBERT
Affiliation:
Department of Mechanical Engineering, University of Melbourne, Parkville 3052, Australia
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Abstract

This paper examines changes in the mean velocity profiles of turbulent boundary layers subjected to system rotation. Analysis of the data from several studies conducted in the large rotating wind tunnel at the University of Melbourne shows the existence of a universal linear correction to the velocity profile in the logarithmic region. The appropriate parameters relevant to rotation are derived and correlations are found between the parameters. Flows with adverse pressure gradients, zero pressure gradients and secondary flows are examined and all appear to exhibit the universal linear correction, suggesting that it is robust.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 408 , 10 April 2000 , pp. 323 - 345
Copyright
© 2000 Cambridge University Press

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