Measurement of the Vacuum Arc Plasma Force

被引：7

作者：

Marks, Harry S. ^{[1
]}

Beilis, Isak I. ^{[1
]}

Boxman, Raymond L. ^{[1
]}

机构：

[1] Tel Aviv Univ, Elect Discharge & Plasma Lab, Sch Elect Engn, Fleischman Fac Engn, IL-69978 Tel Aviv, Israel

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2009年 / 37卷 / 07期

基金：

以色列科学基金会;

关键词：

Encoder; force measurement; pendulum; plasma jet; vacuum arc; CATHODE;

D O I：

10.1109/TPS.2009.2022011

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 axial force carried by the expanding plasma plume from 50-250-A copper and aluminum vacuum arcs was measured using a pendulum whose axle was equipped with a rotary optical encoder. It was found that the force was a linear function of current. The electrode geometry was varied to find the maximum force. At maximum, the average forces per unit current were 21.4 dyn/A for aluminum cathodes and 36.1 dyn/A for copper cathodes. The Cu ion current fraction was measured to be 8.6%.

引用

页码：1332 / 1337

页数：6

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