A Langmuir probe diagnostic system for Arcjet plume is established first in China, in which Langmuir probe is employed to obtain the electron temperature of the Arcjet plume with argon propellant.

• 本文建立了一套静电探针诊断系统,在国内首次对以氩气为推进剂的电弧加热发动机羽流电子温度进行了测量。