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A law of the wall for compressible turbulent boundary layers with air injection

Published online by Cambridge University Press:  29 March 2006

L. C. Squire
L. C. Squire
Affiliation:
Cambridge University Engineering Department
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Abstract

A considerable body of experimental data now exists concerning turbulent boundary layers with air injection at the wall, both at subsonic and at supersonic speeds. In the present report these data for Mach numbers up to 6·5 have been analyzed to find the parameters which occur in the law of the wall as deduced from mixing-length theory. Although the absolute values of the parameters are subject to error because of the lack of accurate skin-friction measurements, the trends of these parameters with Mach number and injection mass flow are clearly defined.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 37 , Issue 3 , 10 July 1969 , pp. 449 - 456
Copyright
© 1969 Cambridge University Press

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