On the probability density function of velocity gradients in fully developed turbulence
- 1 October 1991
- journal article
- Published by IOP Publishing in Fluid Dynamics Research
- Vol. 8 (1-4) , 139-142
- https://doi.org/10.1016/0169-5983(91)90038-k
Abstract
A simple fluctuation argument à la Landau suggests why probability density functions of velocity gradients of turbulent velocity fields are often found to have a close to exponential tail. The detailed functional form depends on the assumptions made concerning the intermittency.Keywords
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