Abstract

The paper presents the results of the investigation of the possibility to develop a stationary plasma thruster with increased thrust. This research was carried out by the Research Institute of Applied Mechanics and Electrodynamics, Moscow Aviation Institute (RIAME MAI) jointly with Fakel Design Bureau as an industrial partner. During research, we developed and investigated a laboratory model, prototype, and experimental model of the SPT-100VT thruster, whose main dimensions are close to those of the well-known SPT-100 serial thruster, which is produced by the Fakel Design Bureau and is successfully operating in space. As a result, it has been shown that the SPT-100VT thruster can effectively and for a long time operate with a discharge voltage of 300 V and power of up to 3 kW producing thrust more than twice that of the SPT-100 with a thrust efficiency above 60% and specific impulse over 1800 s. The increased thrust is achieved by an increase in the xenon flow rate; the efficiency of the thruster is increased due to the modernization of the thruster magnetic system and geometry of the accelerating channel.

中文翻译：

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推力增加的SPT-100VT固定式等离子推进器的研制

摘要

本文介绍了研究开发具有增加推力的固定式等离子推进器的可能性的研究结果。这项研究是由莫斯科航空学院应用力学和电动力学研究所（RIAME MAI）与Fakel设计局作为工业合作伙伴共同进行的。在研究过程中，我们开发并研究了SPT-100VT推进器的实验室模型，原型和实验模型，其主要尺寸与著名的SPT-100系列推进器的尺寸相近，后者由Fakel设计局和在太空中成功运行。结果是，结果表明，SPT-100VT推进器可以有效地长时间工作，放电电压为300 V，功率最高为3 kW，推力效率是SPT-100的两倍，推力效率超过60％以及超过1800 s的特定脉冲。推力的增加是通过氙流量的增加来实现的。由于推进器磁系统的现代化和加速通道的几何形状，推进器的效率得以提高。