Abstract

Two stable operating mode, which were called “jet” and “bell” mode, were observed for Hall thrusters. These modes are distinguished from each other by the shape of the plasma plume and the anode efficiency. This paper presents the results of the measurements of the high-frequency floating potential oscillations using a Langmuir probe and of the relative erosion rate of boron nitride ceramic (BN) insulators using passive optical diagnostics in the “jet” and “bell” modes. The studies were carried out for the Hall thruster with the diameter of the middle line of 77 mm and power up to 2.5 kW.

中文翻译：

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霍尔推进器“喷射”和“响铃”操作模式的综合实验研究

摘要

霍尔推进器观察到两种稳定的运行模式，分别称为“喷射”和“铃”模式。这些模式的区别在于等离子羽流的形状和阳极效率。本文介绍了使用Langmuir探针测量高频浮动电势振荡的结果以及使用“喷射”和“钟形”模式的无源光学诊断技术测量的氮化硼陶瓷（BN）绝缘子的相对腐蚀速率的结果。对霍尔推力器进行了研究，该推力器的中线直径为77 mm，功率最高为2.5 kW。