Modeling of the Dissipation Rate of Turbulent Kinetic Energy


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We consider a relaxation equation for turbulence wavenumber in semi-empirical turbulence closures. It is shown that the well-known phenomenological equation for the dissipation rate of turbulent kinetic energy can be related to this relaxation equation as a close approximation of the latter for stably stratified quasi-stationary flows. The proposed approach makes possible clarification of turbulent closures in the boundary layers of the atmosphere and ocean by specifying the equilibrium states and relaxation relations consistent with the direct and large eddy simulation data.

作者简介

A. Glazunov

Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences; Lomonosov Moscow State University

Email: evgeny.mortikov@gmail.com
俄罗斯联邦, Moscow, 119991; Moscow, 119991

A. Debolskiy

Lomonosov Moscow State University; Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences

Email: evgeny.mortikov@gmail.com
俄罗斯联邦, Moscow, 119991; Moscow, 119017

V. Lykosov

Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences; Lomonosov Moscow State University

Email: evgeny.mortikov@gmail.com
俄罗斯联邦, Moscow, 119991; Moscow, 119991

S. Zilitinkevich

Finnish Meteorological Institute; University of Helsinki; Institute of Applied Physics, Russian Academy of Sciences; Lomonosov Moscow State University

Email: evgeny.mortikov@gmail.com
芬兰, Helsinki; Helsinki; Nizhny Novgorod, 603950; Moscow, 119991

E. Mortikov

Lomonosov Moscow State University; Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: evgeny.mortikov@gmail.com
俄罗斯联邦, Moscow, 119991; Moscow, 119991

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