Some working phenomena of the arcjet are observed and discussed.
对所观察到的一些工作现象进行了讨论。
Arcjet is a kind of propulsion device for mechanical-operation and control of spacecraft.
电弧加热发动机是一种为航天器提供机动和控制推力的装置。
The performance experiment of arcjet was made in vacuum chamber and argon was chosen as the propellant.
采用氩为推进剂，在真空室中进行了发动机的性能实验。
Arcjet which used water as propellant has special advantage in deep space exploration and manned spacecraft.
以水作为推进剂的电弧加热发动机，在深空探测和载人航天中具有独特的优势。
In vacuum environment, the performances of the arcjet were tested under several conditions with argon as the propellent.
在真空环境下，用氩为推进剂，得到了不同工况下发动机的性能参数。
The structure of arcjet, experimental system, measurement system and the small thrust measurement system were introduced.
介绍了发动机的本体结构、实验系统、参数测量系统及小推力测量系统。
Therefore, the application of water in arcjet has important significance to the research of deep space detection and manned spacecraft.
因此如果能把水用于电弧加热发动机，则对深空探测和载人航天工程具有重要的意义。
The experimental system includes a vacuum simulation section, power supply section, propellent feed section, parameter measurement section and an arcjet.
试验系统包括真空模拟系统，供电系统，推进剂供给系统，参数测量系统和发动机本体。
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。
To determine the difference of the measurement results from different measuring methods, diagnostic principle for arcjet plume was discussed and a set of spectral diagnostic system was established.
为了研究玻耳兹曼图法和谱线绝对强度法对测量结果的影响，讨论了电弧加热发动机羽流的光谱诊断方法，并建立了一套光谱诊断系统。
To determine the difference of the measurement results from different measuring methods, diagnostic principle for arcjet plume was discussed and a set of spectral diagnostic system was established.
为了研究玻耳兹曼图法和谱线绝对强度法对测量结果的影响，讨论了电弧加热发动机羽流的光谱诊断方法，并建立了一套光谱诊断系统。
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