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Guangqing XIA Jiahui LI Chang LU Hai GENG Vladimir A.SAETCHNIKOV Juan LI Yanlong WANG 《中国航空学报》2023,36(6):128-139
In this paper, the abnormal experimental phenomenon on barrel erosion under extreme working conditions in the ultra-long life experiment(>10000 h) of ion thruster ion optics is studied by the Immersed-Finite-Element Particle-In-Cell Monte-Carlo-Collision(IFE-PIC-MCC) method and the grid erosion evaluation model. The transport process of beam ions and Charge Exchange(CEX) ions in the grid system, and the characteristics and mechanisms of the aperture barrel erosion under extreme erosion condit... 相似文献
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