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METHOD OF DIFFERENTIAL CONSTRAINTS: LOCAL EQUILIBRIUM APPROXIMATION IN A PLANAR MOMENTUMLESS TURBULENT WAKE

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Abstract

It is revealed that the local equilibrium approximation (algebraic parametrization of triple correlations of turbulent fluctuations of a vertical velocity component) in the problem of a planar momentumless turbulent wake is a differential constraint for a third-order closure model. The results of numerical experiments that confirm the feasibility of the used known algebraic parametrization of this third-order correlation moment are presented.

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Authors and Affiliations

  1. Federal Research Center for Information and Computational Technologies, 630090, Novosibirsk, Russia

    V. N. Grebenev & G. G. Chernykh

  2. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    A. G. Demenkov

  3. Novosibirsk State Technical University, 630073, Novosibirsk, Russia

    A. G. Demenkov

Authors
  1. V. N. Grebenev
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  2. A. G. Demenkov
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  3. G. G. Chernykh
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Correspondence to V. N. Grebenev.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 62, No. 3, pp. 38-47.https://doi.org/10.15372/PMTF20210304.

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Grebenev, V.N., Demenkov, A.G. & Chernykh, G.G. METHOD OF DIFFERENTIAL CONSTRAINTS: LOCAL EQUILIBRIUM APPROXIMATION IN A PLANAR MOMENTUMLESS TURBULENT WAKE. J Appl Mech Tech Phy 62, 383–390 (2021). https://doi.org/10.1134/S0021894421030044

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  • DOI: https://doi.org/10.1134/S0021894421030044

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