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Modeling of Rotating and Recirculation Flows on the Basis of a Hybrid Two‐Parameter k–ε Model

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Journal of Engineering Physics and Thermophysics Aims and scope

Abstract

A modified two‐parameter model of turbulence for calculation of flows with a considerable flow curvature is considered. Account for the effects of anisotropy is based on correction of empirical coefficients, which enter into the equation of transfer of dissipation of turbulent kinetic energy, using the Richardson number. It is suggested to apply a correction not to the entire region of calculation, but to the portions where the Richardson number takes on certain values. Satisfactory agreement of calculation results with experimental data of different authors and a slight increase in computational costs allow one to draw the conclusion on the possibility of employing the suggested approaches in engineering practice.

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Authors and Affiliations

  1. Kazan State Technological University, Russia

    V. A. Fafurin

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  1. V. A. Fafurin
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Fafurin, V.A. Modeling of Rotating and Recirculation Flows on the Basis of a Hybrid Two‐Parameter k–ε Model. Journal of Engineering Physics and Thermophysics 75, 101–107 (2002). https://doi.org/10.1023/A:1014822824018

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  • DOI: https://doi.org/10.1023/A:1014822824018

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