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Numerical simulation of momentumless turbulent wake dynamics in linearly stratified medium

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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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Authors and Affiliations

  1. Institute of Computational Technologies, Siberian Branch, Russian Academy of Sciences, pr. Akad. Lavrent’eva 6, Novosibirsk, 630090, Russia

    O. F. Voropaeva & G. G. Chernykh

  2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    O. F. Voropaeva & G. G. Chernykh

  3. Institute of Applied Physics, Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603950, Russia

    O. A. Druzhinin

Authors
  1. O. F. Voropaeva
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  2. O. A. Druzhinin
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  3. G. G. Chernykh
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Correspondence to O. F. Voropaeva.

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Voropaeva, O.F., Druzhinin, O.A. & Chernykh, G.G. Numerical simulation of momentumless turbulent wake dynamics in linearly stratified medium. J. Engin. Thermophys. 25, 85–99 (2016). https://doi.org/10.1134/S1810232816010082

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