A Magnetically Enhanced Inductive Discharge Chamber for Electric Propulsion Applications

被引：2

作者：

Foster, J. E. ^{[1
]}

Gillman, Eric D. ^{[1
]}

机构：

[1] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48105 USA

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2008年 / 36卷 / 05期

关键词：

Antenna; ion engines; ionization; permanent magnets; plasma discharge; radio frequency (RF);

D O I：

10.1109/TPS.2008.2001975

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：

A magnetically enhanced inductive discharge was investigated for electric propulsion applications. The high plasma density produced by the source makes it attractive as an ion source for a gridded ion thruster or possibly a standalone ambipolar thruster. The discharge plasma is produced by a compact "stovetop" spiral antenna that is similar to that used in plasma processing sources. Operation on argon to pressures as low as 1 mtorr was demonstrated at powers ranging from 100 to 250 W. Ion current as high as I A was extracted from a 10-cm-diameter device. Plasma properties and ion production efficiency are reported and commented upon.

引用

页码：2130 / 2140

页数：11

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