Impurity measured by VUV spectrometer and OMA on HL-2A tokamak

被引：0
|
作者：
Cui, ZY [1 ]
Wang, QM [1 ]
Dong, JF [1 ]
Sun, P [1 ]
Lu, J [1 ]
Li, W [1 ]
Wang, EY [1 ]
机构：
[1] SW Inst Phys, Chengdu 610041, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2004年 / 6卷 / 04期
关键词：
limiter; line emission; impurity; divertor;
D O I：
暂无
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：
Impurity is one of the key issues on a great impact to the quality of tokamak plasma. HL-2A is the first divertor tokamak in China. In this paper the experimental results are presented on impurity through the line emission measurement in the campaign in 2003 under the limiter and divertor configurations. The low-Z impurities such as carbon and oxygen are the most important components in the plasma, but their content are not so high to affect the discharge quality. The high-Z impurities such as copper and ferrum are not essential. The emission intensity of impurity is clearly decreased during the divertor configuration formed.
引用
收藏
页码：2359 / 2363
页数：5
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