On the origin of low frequency oscillations in Hall thrusters

被引：0
|
作者：
Barral, S. [1 ]
Ahedo, E. [2 ]
机构：
[1] Polish Acad Sci, Inst Fundamental Technol Res, Swietokrzyska 21, PL-00049 Warsaw, Poland
[2] Univ Politecn Madrid, ETSI Aeronauticos, E-28040 Madrid, Spain
来源：
PLASMA 2007 | 2008年 / 993卷
关键词：
Hall thruster; instabilities; breathing;
D O I：
暂无
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The breathing mode is a low frequency, longitudinal bulk instability observed in a majority of Hall thrusters. Its occurrence is accompanied by wide, regular discharge current oscillations in the 10 - 30 kHz range. A concise outline of the prevailing interpretations of this mode is provided, followed by an overview of a recently proposed theory. It is eventually shown that this ionization instability is not related to the motion of the ionization front but to an ionization predator-prey cycle, the former phenomenon being rather a consequence of the latter.
引用
收藏
页码：439 / +
页数：2
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