Computational studies on ion source plasmas of the neutral beam injection system

被引：2
|
作者：
Kashiwagi, M [1 ]
Ido, S
Okumura, Y
机构：
[1] Japan Atom Energy Res Inst, Naka, Ibaraki 3110193, Japan
[2] Saitama Univ, Fac Engn, Urawa, Saitama 3388570, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2000年 / 71卷 / 02期
关键词：
D O I：
10.1063/1.1150282
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A three-dimensional particle code taking into account the collision terms between fast electrons and hydrogen molecules is developed, where the elastic, ionization, excitation, and vibrational excitation collisions are calculated. This code is applied to investigate plasma generation and behavior in an ion source of the neutral beam injection system. It is found that the distribution of collision points is affected by grad-B drift when the gas pressure becomes lower. The sheath region around the filament is also taken into account, making it possible to optimize the filament shape and position in a plasma generator. (C) 2000 American Institute of Physics. [S0034-6748(00)65002-5].
引用
收藏
页码：747 / 750
页数：4
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