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Numerical Study of the Influence of Turbulent Diffusion Coefficients and Turbulent Prandtl Number on the Reactive Flow Simulation in a Combustor

  • AIRCRAFT AND ROCKET ENGINE THEORY
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Abstract

The influence of the k–ε–RNG model parameters is studied in terms of simulation of processes in the combustor with the gas oxygen and methane inside including the conjugate heat transfer with the wall. A sufficient influence of the empirical diffusion coefficients of turbulence model on the reactive flow simulation is observed. Recommendations for the choice of the turbulent diffusion coefficients and the turbulent Prandtl number are provided.

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ACKNOWLEDGEMENTS

The work was performed in the framework of the state assignment of the Ministry of Education and Science of the Russian Federation, topic no. FSFF-2020-0014.

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Authors and Affiliations

  1. Institute of Space Propulsion, German Aerospace Center (DLR), Langer Grund, 74239, Hardthausen, Germany

    V. P. Zhukov

  2. Moscow Aviation Institute (National Research University), Volokolamskoe sh. 4, 125993, Moscow, Russia

    I. N. Borovik & E. A. Strokach

Authors
  1. V. P. Zhukov
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  2. I. N. Borovik
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  3. E. A. Strokach
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Correspondence to I. N. Borovik.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Aviatsionnaya Tekhnika, 2020, No. 4, pp. 139 - 145.

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Zhukov, V.P., Borovik, I.N. & Strokach, E.A. Numerical Study of the Influence of Turbulent Diffusion Coefficients and Turbulent Prandtl Number on the Reactive Flow Simulation in a Combustor. Russ. Aeronaut. 63, 713–720 (2020). https://doi.org/10.3103/S1068799820040200

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  • DOI: https://doi.org/10.3103/S1068799820040200

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