電磁衝撃波管におけるプラズマ衝撃波とイオン温度,電子温度

概要

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Applying a strong magnetic field to argon, an abrupt breakdown of gas was introduced to produce a shock wave in a long cylindrical tube. The propagation and reflection. of shock front in the tube were observed by a streak camera and Faraday cell. From the velocity of these fronts, ion temperatures were estimated by the shock equations considering the ionization.<BR>The electron temperatures were measured by the method of electric double probes. The transient probe signals indicate the multi-reflection mechanism of interaction between shocks and mass flows.<BR>The relaxation between ion and electron temperatures is fairly in accord with the theory of distant encounter scheme.