Spontaneous oscillations in a Hall thruster

被引：25
|
作者：
Darnon, F [1 ]
Garrigues, L
Boeuf, JP
Bouchoule, A
Lyszyk, M
机构：
[1] Univ Orleans, GREMI, F-45067 Orleans, France
[2] Univ Toulouse 3, CPAT, F-31062 Toulouse, France
[3] Aerodrome Melun Villaroche, SEP Div Snecma, F-77550 Moissy Cramayel, France
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 1999年 / 27卷 / 01期
关键词：
current oscillations; Hall thruster; ionization instability; quasi-neutral hybrid model; stationary plasma thruster;
D O I：
10.1109/27.763063
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：
Low frequency oscillations in a stationary plasma thruster (SPT) have been studied using optical diagnostics and numerical models. The regime of low frequency, large amplitude current oscillations has been especially investigated. The current oscillations are associated with strong oscillations of the light emitted by the plasma in that region. A quasi-neutral hybrid model of the plasma can reproduce these plasma oscillations and suggests that they are due to an ionization instability in the exhaust region associated with the depletion of neutral atoms by electron impact ionization.
引用
收藏
页码：98 / 99
页数：2
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