Development of the Richtmyer-Meshkov instability during interaction of the diffusion mixing layer of two gases with transient and reflected shock waves |
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Authors: | G A Ruev A V Fedorov V M Fomin |
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Institution: | 1.Novosibirsk State University of Architecture and Civil Engineering,Novosibirsk,Russia;2.Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division,Russian Academy of Sciences,Novosibirsk,Russia |
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Abstract: | The evolution of the initially disturbed mixing layer of two gases of different densities under the action of an incident
shock wave, shock waves reflected from the end face, compression and expansion waves is studied in a two-dimensional unsteady
approximation on the basis of the previously formulated mathematical model of mechanics of a two-velocity two-temperature
mixture of gases. Problems of wave interaction with a sinusoidally disturbed diffusion layer are solved numerically. It is
shown that the calculated width of the mixing region is in good agreement with experimental data. |
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