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Bispectral measurements in turbulence

Published online by Cambridge University Press:  11 April 2006

K. S. Lii ,
M. Rosenblatt  and
C. Van Atta
K. S. Lii
Affiliation:
University of California, La Jolla
M. Rosenblatt
Affiliation:
University of California, La Jolla
C. Van Atta
Affiliation:
University of California, La Jolla
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Abstract

A bispectral analysis of high Reynolds number turbulent velocity-derivative data is carried out. The computations suggest that contributions of wavenumber triplets to the rate of vorticity production and spectral transfer are non-local in wavenumber space and comparable over the whole range of wavenumbers studied. Statistical resolvability of the bispectral estimates is obtained. An appendix on the asymptotic behaviour of bispectral estimates is given.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 77 , Issue 1 , 9 September 1976 , pp. 45 - 62
Copyright
© 1976 Cambridge University Press

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