Shock-Tube Measurements of the Excitational Cross-Section in Xenon-Hydrogen Mixture

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概要

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• The lonization relaxation and radiative-cooling processes behind shock wavein xenon with or without a small amount of hydrogen have been investigatedusing a quadrature interferometer technique at shock Mach numbers M.x 13 andthe initial pressure P. = 2.0 Torr. By adding a small amount of hydrogen ( - 0.5 %of the initial pressure) to xenon, the ionization relaxation time was drasticallyreduced to about one-third of its pure xenon value. From the comparison be-tween theoretical values based on the two-step ionization model and experimentaldata, the slope constants of excitational cross-section against relative kineticenergy between xenon atom-atom collisions and xenon-hydrogen atom-atomcollisions were determined to be 1.8x10-"cm'/eV and 9.0x 10-"cm'/eV,respectively.

• 社団法人日本物理学会の論文
• 1984-02-15

著者

• GOHDA Noriaki

  Faculty of Engineering, Hiroshima University

• Gohda Noriaki

  Faculty Of Engineering Hiroshima University

• Ezumi Hiromichi

  Hiroshima Denki Institute Of Technology

• KAWAMURA Masahiko

  Faculty of Engineering,Hiroshima University

• Kawamura Masahiko

  Faculty Of Engineering Hiroshima University

• 江田 憲彰

  Graduate School of Engineering, Hiroshima University

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