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The development of turbulence structure in a uniform shear flow

Published online by Cambridge University Press:  29 March 2006

P. J. Mulhearn  and
R. E. Luxton
P. J. Mulhearn
Affiliation:
Department of Mechanical Engineering, University of Sydney Present address: Division of Environmental Mechanics, C.S.I.R.O., Canberra, A.C.T.
R. E. Luxton
Affiliation:
Department of Mechanical Engineering, University of Sydney Present address : Department of Mechanical Engineering, University of Adelaide, South Australia 5001.
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Abstract

Measurements of the streamwise development of a variety of velocity correlations in a uniform shear flow are given and discussed. It is concluded that, in the region in which the Reynolds stresses are approximately constant, the turbulence structure is practically independent of all the initial conditions except the initial length scale. It appears that the preferential amplification of some eddy structures by the mean shear effectively destroys information about the initial conditions, apart from the initial length scale, after a total strain of about 1.5.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 68 , Issue 3 , 15 April 1975 , pp. 577 - 590
Copyright
© 1975 Cambridge University Press

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