Study of the Integral Characteristics of a Radio-Frequency Ion Thruster Operating on Krypton and Estimation of the Service Life of Its Ion-Extraction System

IF 0.4 Q4 PHYSICS, CONDENSED MATTER

Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2025-09-25 DOI:10.1134/S1027451025701095

V. V. Kozhevnikov, A. V. Melnikov, I. P. Nazarenko, V. V. Svotina, S. A. Khartov

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Abstract

In the paper, the results of an experimental study of the integral characteristics of a laboratory model of a radio-frequency ion thruster with a beam diameter of 80 mm and krypton as the propellant are presented. The obtained characteristics are compared with the results of tests of the laboratory model using xenon as the propellant. The impact on the service life of the accelerating grid of the ion-extraction system of the thruster and the efficiency of ion-beam focusing of the use of krypton instead of xenon, which is most often used, is estimated. Surface erosion of the accelerating grid under the effect of xenon and krypton ions incident on the grid during operation taking into account the operating modes of the laboratory model of the radio-frequency ion thruster considered during the experiments is modeled. Based on the performed studies, it is possible to estimate the change in the integral characteristics of the radio-frequency ion thruster in the case of using a cheaper propellant compared to xenon. The obtained results can be applied to optimize the existing models of radio-frequency ion thrusters in order to achieve the highest efficiency of their operation using krypton.

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氪星射频离子推进器的整体特性研究及其离子萃取系统寿命估算

本文介绍了以氪为推进剂，束流直径为80mm的射频离子推力器实验室模型的整体特性的实验研究结果。所得的特性与以氙为推进剂的实验室模型的试验结果进行了比较。估计了用氪代替最常用的氙对推进器离子萃取系统加速栅使用寿命和离子束聚焦效率的影响。考虑实验中所考虑的射频离子推力器实验室模型的工作模式，对运行过程中氙、氪离子入射对加速栅格表面的侵蚀进行了模拟。根据所进行的研究，可以估计在使用比氙更便宜的推进剂的情况下射频离子推进器的整体特性的变化。所得结果可用于优化现有的射频离子推力器模型，以实现其使用氪的最高效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques PHYSICS, CONDENSED MATTER-

CiteScore

0.90

自引率

25.00%

发文量

144

审稿时长

3-8 weeks

期刊介绍： Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques publishes original articles on the topical problems of solid-state physics, materials science, experimental techniques, condensed media, nanostructures, surfaces of thin films, and phase boundaries: geometric and energetical structures of surfaces, the methods of computer simulations; physical and chemical properties and their changes upon radiation and other treatments; the methods of studies of films and surface layers of crystals (XRD, XPS, synchrotron radiation, neutron and electron diffraction, electron microscopic, scanning tunneling microscopic, atomic force microscopic studies, and other methods that provide data on the surfaces and thin films). Articles related to the methods and technics of structure studies are the focus of the journal. The journal accepts manuscripts of regular articles and reviews in English or Russian language from authors of all countries. All manuscripts are peer-reviewed.