Numerical simulation of momentumless turbulent wake dynamics in linearly stratified medium |
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| Authors: | O. F. Voropaeva O. A. Druzhinin G. G. Chernykh |
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| Affiliation: | 1.Institute of Computational Technologies, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia;2.Novosibirsk State University,Novosibirsk,Russia;3.Institute of Applied Physics,Russian Academy of Sciences,Nizhny Novgorod,Russia |
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| Abstract: | This paper presents comparison of two numerical models of the momentumless turbulent wake dynamics behind a body of revolution in a linearly stratified medium, namely, the model based on direct (DNS) numerical integration of Navier–Stokes equations in the Oberbeck–Boussinesq approximation and the mathematical model with application of a semi-empirical turbulence model of the third order. The results of calculations by these two models agree with the known experimental data. |
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