Shock relations in gases of heterogeneous thermodynamic properties |
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Authors: | ZongMin Hu Kai Zhou Jun Peng JinPing Li ZongLin Jiang |
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Affiliation: | 1.State Key Laboratory of High-temperature Gas Dynamics, Institute of Mechanics,Chinese Academy of Sciences,Beijing,China;2.School of Engineering Science,University of Chinese Academy of Sciences,Beijing,China |
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Abstract: | Shock relations usually found in literatures are derived theoretically under the assumption of homogeneous thermodynamic properties, i.e., constant ratio of specific heats, γ. However, high temperature effects post a strong shock wave may result in thermodynamic heterogeneities and failure to the original shock relations. In this paper, the shock relations are extended to take account of high-temperature effects. Comparison indicates that the present approach is more feasible than other analytical approaches to reflect the influence of γ heterogeneity on the post-shock parameters. |
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