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COMPUTATIONAL AND THEORETICAL STUDY OF A SHOCK WAVE INTERACTING WITH A ZONE OF TURBULENT MIXING OCCURRING ON AN AIR–ARGON FLAT BOUNDARY IN EXPERIMENTS WITH A SHOCK TUBE

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Abstract

This paper describes the formulation and calculation results obtained using the Euler gas aerodynamic code (EGAC) of interaction between a shock wave and a turbulent mixing zone, which develops on a flat interface separating air and argon. The study is carried out using both direct numerical three-dimensional modeling and a two-dimensional \((k-\varepsilon)\) turbulence model. A comparison is made with the results of experiments in which the expansion and stratification of a shock wave is observed during its propagation after passing through a turbulent mixing zone. Calculations are carried out using the (\(k-\varepsilon\)) model and with account for the presence of a boundary layer, which make it possible to explain this effect.

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  1. All-Russian Scientific Research Institute of Experimental Physics (VNIIEF), 607188, Sarov, Russia

    O. G. Sin’kova, V. P. Statsenko & Yu. V. Yanilkin

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  1. O. G. Sin’kova
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  2. V. P. Statsenko
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  3. Yu. V. Yanilkin
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Correspondence to Yu. V. Yanilkin.

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Sin’kova, O.G., Statsenko, V.P. & Yanilkin, Y.V. COMPUTATIONAL AND THEORETICAL STUDY OF A SHOCK WAVE INTERACTING WITH A ZONE OF TURBULENT MIXING OCCURRING ON AN AIR–ARGON FLAT BOUNDARY IN EXPERIMENTS WITH A SHOCK TUBE. J Appl Mech Tech Phy 61, 907–916 (2020). https://doi.org/10.1134/S0021894420060012

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  • DOI: https://doi.org/10.1134/S0021894420060012

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