首页|Effect of Dynamic Pressure on the Shock Structure and Sub-shock Formation in a Mixture of Polyatomic Gases
Effect of Dynamic Pressure on the Shock Structure and Sub-shock Formation in a Mixture of Polyatomic Gases
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We study the shock structure and the sub-shock formation in a binary mixture of rarefied polyatomic gases,considering the dissipation only due to the dynamic pressure.We clas-sify the regions depending on the concentration and the Mach number for which there may exist the sub-shock in the profile of shock structure in one or both constituents or not for prescribed values of the mass ratio of the constituents and the ratios of the specific heats.We compare the regions with the ones of the corresponding mixture of Eulerian gases and perform the numerical calculations of the shock structure for typical cases previously clas-sified and confirm whether sub-shocks emerge.
Shock structureMixture of gasesRational extended thermodynamics(RET)Polyatomic gasesDynamic pressureSub-shock formationBulk viscosity
Tommaso Ruggeri、Shigeru Taniguchi
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Department of Mathematics & Alma Mater Research Center on Applied Mathematics,University of Bologna,Via Saragozza,8,40123 Bologna,Italy
Department of Creative Engineering,National Institute of Technology,Kitakyushu College,5-20-1 Shii,Kitakyushu 802-0985,Japan
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