化学変化を伴わない混合気体の衝撃波

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タイトル別名
  • Shock Waves in Chemically Inert Gas Mixture
  • カガク ヘンカ オ トモナワナイ コンゴウ キタイ ノ ショウゲキハ

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The shock wave structure of chemically inert, binary gas mixture is studied in terms of the Mott-Smith method. The molecular velocity distribution functions of each species are assumed to be a sum of two equilibrium distribution functions which correspond to the up and down stream conditions. Four unknowns which are related to the number density are solved by using the continuity equations, 2nd order moment equations of Boltzmann equation and Rankine-Hugoniot's relation. Numerical results are obtained for Xe129-Xe132 mixture, and for Ne-Ar mixture, ranging from Mach number 2 to 10. The results show that almost no separation of component gases for Xe129-Xe132 mixture. Ne-Ar mixture shows the phase shift of number density distribution of each species in the shock wave.

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