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Numerical simulation of the unsteady propagation of combustion in a duct with a supersonic viscous gas flow

Russian Journal of Physical Chemistry B volume 5, pages 800–812 (2011)Cite this article

Abstract

The effect of the type of mathematical model on the results of numerical simulations of combustion in a flat model combustion chamber with a supersonic flow is considered. The process of formation of a flow with combustion in a chamber includes the propagation of the combustion wave along the chamber and the emergence of a pseudoshock structure. The results of nonstationary calculations by the explicit scheme using (1) the no-slip boundary condition at the chamber walls and the local time stepping procedure, (2) law-of-the-wall and the local time stepping procedure, and (3) law-of-the-wall and the fractional time stepping procedure are compared. Arguments in favor of the applicability of the latter approach to solving this class of problems are presented. The physical results obtained are analyzed.

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Authors and Affiliations

  1. Zhukovsky Central Institute of Aerohydrodynamics, Zhukovskii, Moscow oblast, 140160, Russia

    V. V. Vlasenko

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  1. V. V. Vlasenko
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Correspondence to V. V. Vlasenko.

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Original Russian Text © V.V. Vlasenko, 2011, published in Khimicheskaya Fizika, 2011, Vol. 30, No. 9, pp. 42–54.

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Vlasenko, V.V. Numerical simulation of the unsteady propagation of combustion in a duct with a supersonic viscous gas flow. Russ. J. Phys. Chem. B 5, 800–812 (2011). https://doi.org/10.1134/S1990793111040105

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  • DOI: https://doi.org/10.1134/S1990793111040105

Keywords

  • supersonic flow
  • combustion chamber
  • pseudoshock
  • numerical simulation