Measurement and modelling of a radiofrequency micro-thruster

被引：59
|
作者：
Charles, C. [1 ]
Boswell, R. W. [1 ]
机构：
[1] Australian Natl Univ, Res Sch Phys & Engn, Space Plasma Power & Prop Lab, Canberra, ACT 0200, Australia
来源：
PLASMA SOURCES SCIENCE & TECHNOLOGY | 2012年 / 21卷 / 02期
关键词：
DISCHARGE;
D O I：
10.1088/0963-0252/21/2/022002
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 capacitively coupled radiofrequency (rf) (13.56 MHz) cylindrical argon micro-discharge expanding into a larger glass tube is studied by performing optical and electrical measurements over a pressure range 0.3-5 Torr and a rf power range 5-40 W. Measurements of the axial and radial plasma density profiles at the Paschen minimum near 1.5 Torr are used to develop a global model of the discharge and estimate neutral heating from ion-neutral charge exchange collisions for micro-propulsion applications.
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页数：4
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