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Development of ECR microwave discharge ion thruster

机译:ECR微波放电离子推进器的研制

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摘要

A 10-cm-diam, electron-cyclotron-resonance (ECR) microwave discharge ion thruster has been fabricated. This thruster produces a plasma by means of ECR heating. Ions in the plasma are extracted and accelerated by electrostatic grids. Performance tests of the thruster were carried out for several kinds of magnetic field configurations inside its discharge chamber and at different distances between Sm-Co magnets and the electrostatic grids. Preliminary estimations of ion production cost, propellant utilization efficiency, and beam divergence of the thruster were reported. Also a computer code to analyze ECR plasma behavior in the thruster was described. The test results and the computer code will be used to develop a larger system (larger than 20 cm. diam.). (C) 2002 Elsevier Science Ltd. All rights reserved. [References: 5]
机译:已制造出直径为10厘米的电子回旋共振(ECR)微波放电离子推进器。该推进器通过ECR加热产生等离子体。等离子体中的离子被静电栅提取并加速。推进器的性能测试是针对其放电室内的几种磁场配置以及Sm-Co磁体和静电栅之间的不同距离进行的。报告了对离子产生器成本,推进剂利用效率和推进器束发散度的初步估计。还描述了用于分析推进器中ECR等离子体行为的计算机代码。测试结果和计算机代码将用于开发更大的系统(直径大于20厘米)。 (C)2002 Elsevier ScienceLtd。保留所有权利。 [参考:5]

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