Modeling of the Dissipation Rate of Turbulent Kinetic Energy
- Авторы: Glazunov A.V.1,2, Debolskiy A.V.2,3, Lykosov V.N.1,2, Zilitinkevich S.S.4,5,6,2, Mortikov E.V.2,1
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Учреждения:
- Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences
- Lomonosov Moscow State University
- Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
- Finnish Meteorological Institute
- University of Helsinki
- Institute of Applied Physics, Russian Academy of Sciences
- Выпуск: Том 489, № 2 (2019)
- Страницы: 1440-1443
- Раздел: Geophysics
- URL: https://ogarev-online.ru/1028-334X/article/view/195721
- DOI: https://doi.org/10.1134/S1028334X19120067
- ID: 195721
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Аннотация
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.
Об авторах
A. Glazunov
Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences; Lomonosov Moscow State University
Email: evgeny.mortikov@gmail.com
Россия, Moscow, 119991; Moscow, 119991
A. Debolskiy
Lomonosov Moscow State University; Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: evgeny.mortikov@gmail.com
Россия, Moscow, 119991; Moscow, 119017
V. Lykosov
Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences; Lomonosov Moscow State University
Email: evgeny.mortikov@gmail.com
Россия, 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
Финляндия, Helsinki; Helsinki; Nizhny Novgorod, 603950; Moscow, 119991
E. Mortikov
Lomonosov Moscow State University; Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: evgeny.mortikov@gmail.com
Россия, Moscow, 119991; Moscow, 119991
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