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Numerical analysis of the optimized performance of the electron cyclotron wave system in a HL-2M tokamak

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成果类型:
期刊论文
作者:
Li, Jing-Chun;Gong, Xue-Yu;Dong, Jia-Qi;Wang, Jun;Yin, Lan
通讯作者:
Gong, X.-Y.
作者机构:
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China
Southwestern Institute of Physics, PO Box 432, Chengdu, 610041, China
School of Mathematics and Physics, University of South China, Hengyang, 421001, China
[Li, Jing-Chun; Gong, Xue-Yu; Wang, Jun] School of Nuclear Science and Technology, University of South China
[Dong, Jia-Qi] Southwestern Institute of Physics
通讯机构:
[Gong, Xue-Yu] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
School of Nuclear Science and Technology, University of South China, Hengyang, China
语种:
英文
关键词:
HL-2M;electron-cyclotron current drive;neoclassical tearing modes;sawtooth
期刊:
Chinese Physics B
期刊(中文):
中国物理B:英文版
ISSN:
1674-1056
年:
2016
卷:
25
期:
4
页码:
45201-1-45201-8
基金类别:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11375085, 11405082, 11505092, 11475083, and 11375053), the National Magnetic Confinement Fusion Science Program of China (Grant Nos. 2013GB 104004, 2013GB 111000, 2014GB 107000, and 2014GB 108002), and the Natural Science Foundation of Hunan Province, China (Grant No. 2015JJ4044).
机构署名:
本校为第一且通讯机构
院系归属:
核科学技术学院
数理学院
摘要:
The capabilities of current drive, neoclassical tearing mode (NTM) stabilization, and sawtooth control are analyzed for the electron–cyclotron wave (ECW) system in a HL-2M tokamak. Better performance of the upper launcher is demonstrated in comparison with that of a dropped upper launcher, in terms of J_(EC)/J_(bs) for NTM stabilization and I_(ECCD)/(?_ρ(tor))~2 for sawtooth control. 1-MW ECW power is enough for the 3/2 NTM stabilization, and 1.8-MW ECW power is required to suppress 2/1 NTM in a single null divertor equilibrium with 1.2-MA toroidal current with the upper launcher. Optimization simulation of electron–cyclotron current drive (ECCD) is carried out for three mirrors in an equatorial port, indicating that the middle mirror has a good performance compared with the top and bottom mirrors. The results for balanced co-and counter-ECCD in an equatorial port are also presented.

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