[18a-M_103-1~13] 8.1 Plasma production and diagnostics

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[18a-M_103-2] Time evolution of gas temperature distribution in argon glow discharge measured by Mach-Zehnder interferometer

〇(M2)Ren Kimura¹, Yusuke Nakagawa¹, Fumiyoshi Tochikubo¹ (1.Tokyo Metropolitan Univ.)

Keywords:

Non-thermal atmospheric pressure plasma,Mach-Zehnder interferometer,Gas temperature measurement

We previously estimated the gas temperature of a DC glow discharge using a Mach-Zehnder interferometer. In this study, we measured the time evolution of the gas temperature distribution in the glow discharge. The results suggest that the heated gas is transported outward, significantly influenced by ionic wind. Furthermore, rapid gas cooling was observed in the vicinity of the nozzle after the discharge was terminated.