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Statistics of the fine structure of turbulent velocity and temperature fields measured at high Reynolds number

Published online by Cambridge University Press:  29 March 2006

Carl H. Gibson ,
Gilbert R. Stegen  and
Robert Bruce Williams
Carl H. Gibson
Affiliation:
University of California, San Diego
Gilbert R. Stegen
Affiliation:
Colorado State University, Fort Collins, Colorado
Robert Bruce Williams
Affiliation:
Marine Physical Laboratory, Scripps Institute of Oceanography, La Jolla, California
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Abstract

Derivatives of velocity and temperature in the wind over the ocean were found to be quite variable. Probability distribution functions of squared derivatives were consistent with lognormality predictions by Kolmogoroff, Obukhoff and Yaglom. Kurtosis values for velocity derivatives ranged from 13 to 26 and from 26 to 43 for temperature derivatives. Universal inertial subrange constants were evaluated from dissipation spectra and were found to be 40 to 300% larger than most values reported previously. Evidence for local anisotropy of the temperature field is provided by non-zero values of the measured derivative skewness.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 41 , Issue 1 , 26 March 1970 , pp. 153 - 167
Copyright
© 1970 Cambridge University Press

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