Measurement of the edge plasma rotation on J-TEXT tokamak

被引：25
|
作者：
Cheng, Z. F. [1 ]
Luo, J. [1 ]
Wang, Z. J. [1 ]
Zhang, Z. P. [1 ]
Zhang, X. L. [1 ]
Hou, S. Y. [1 ]
Cheng, C. [1 ]
Zhuang, G. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2013年 / 84卷 / 07期
基金：
中国国家自然科学基金;
关键词：
TOROIDAL ROTATION; MODE; FLOWS;
D O I：
10.1063/1.4815824
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A multi-channel high resolution spectrometer was developed for the measurement of the edge plasma rotation on J-TEXT tokamak. With the design of two opposite viewing directions, the poloidal and toroidal rotations can be measured simultaneously, and velocity accuracy is up to 1 km/s. The photon flux was enhanced by utilizing combined optical fiber. With this design, the time resolution reaches 3 ms. An assistant software "Spectra Assist" was developed for implementing the spectrometer control and data analysis automatically. A multi-channel monochromatic analyzer is designed to get the location of chosen ions simultaneously through the inversion analysis. Some preliminary experimental results about influence of plasma density, different magnetohydrodynamics behaviors, and applying of biased electrode are presented. (C) 2013 AIP Publishing LLC.
引用
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页数：5
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