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Features of Setting Boundary Conditions in Problems of Modeling Turbulent Gas Motion in Turning-and-Expanding Flow for \(k{-}\varepsilon\) Turbulence Model and Reynolds Stress Transfer Model

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Abstract

The paper substantiates selection of boundary conditions for correct modeling of gas motion in a turning-and-expanding flow. The choice is based on comparison of calculation results and experimental data. Measurements of average and pulsation values of flow velocity were carried out by the method of laser Doppler anemometry. The numerical modelling was performed on the basis of known modern turbulence models: \(k\)-\(\varepsilon\) model and Reynolds stress transfer model. A comparative analysis of the models was done. The comparison was made for the surfaces of the axial velocity component in a cross section. The data obtained can be useful for determination of the limits of applicability of various turbulence models and for verifying CFD codes.

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Authors and Affiliations

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

    I. K. Kabardin, N. I. Yavorsky, A. K. Kabardin, S. V. Kakaulin, M. R. Gordienko, V. I. Polyakova, M. Kh. Pravdina & O. G. Derzho

  2. Nuclear Safety Institute, Novosibirsk Branch, Russian Academy of Sciences, Novosibirsk, Russia

    V. V. Kolotilov & E. V. Usov

Authors
  1. I. K. Kabardin
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  2. V. V. Kolotilov
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  3. E. V. Usov
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  4. N. I. Yavorsky
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  5. A. K. Kabardin
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  6. S. V. Kakaulin
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  7. M. R. Gordienko
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  8. V. I. Polyakova
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  9. M. Kh. Pravdina
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  10. O. G. Derzho
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Corresponding authors

Correspondence to I. K. Kabardin or N. I. Yavorsky.

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Kabardin, I.K., Kolotilov, V.V., Usov, E.V. et al. Features of Setting Boundary Conditions in Problems of Modeling Turbulent Gas Motion in Turning-and-Expanding Flow for \(k{-}\varepsilon\) Turbulence Model and Reynolds Stress Transfer Model. J. Engin. Thermophys. 30, 317–323 (2021). https://doi.org/10.1134/S1810232821020120

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  • DOI: https://doi.org/10.1134/S1810232821020120

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