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New equation for the polarization fourier components of the small-scale velocity of an incompressible fluid in anisotropic turbulence

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Abstract

A new equation for the small-scale polarization Fourier components of the incompressible fluid velocity in the case of anisotropic turbulence is suggested. The principal invariant of the strain rate tensor for the large-scale velocity is found. This invariant is of most significance for the subgrid simulation of fully developed turbulence.

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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 73, No. 10, 2003, pp. 36–39.

Original Russian Text Copyright © 2003 by Balonishnikov.

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Balonishnikov, A.M. New equation for the polarization fourier components of the small-scale velocity of an incompressible fluid in anisotropic turbulence. Tech. Phys. 48, 1255–1257 (2003). https://doi.org/10.1134/1.1620117

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  • DOI: https://doi.org/10.1134/1.1620117

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