Effect of Coupling between Free Electron and Molecular Rotation on Electron Temperature in Ionized Nonequilibrium Flow of Air

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概要

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• The effect of rotational excitation of 0., N., and NO by free electrons in partiallyionized nonequilibrium flows of air is investigated in this papc:r. Terms representingthe average electron energy loss rates are included in the electron energy equation. Anexact expression for the average electron energy loss rate by excitation of rotationalstates of a polar molecule such as NO is obtained. 'I'he effect on the electron tempera-lure is studied for nozzle flow and for flow behind a normal shock wave. In the nozzleflow, the electron temperature decreases and approaches the lneavy gas temperaturedue to this effect. It originates rnainly from the rotational excittttion of N., because ofthe overwhelming concentration of this species. In the flow belxind a shock wave, thiseffect causes an increase in the electron temperature, but only in the region near theshock front.

• 一般社団法人日本物理学会の論文
• 1988-06-15

著者

• Matsuzaki R

  National Aerospace Laboratory

• Matsuzaki Ri′ichi

  National Aerospace Laboratory

関連論文

• Exhaust of NO_x from High-Temperature Wind Tunnels
• Quasi-One-Dimensinal Nonequilibrium Flow of Partially Ionized Argon with Different Species Temperatures
• Effect of Coupling between Free Electron and Molecular Rotation on Electron Temperature in Ionized Nonequilibrium Flow of Air

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