Response of plasma rotation to resonant magnetic perturbations in J-TEXT tokamak

被引：19

作者：

Yan, W. ^{[1
]}

Chen, Z. Y. ^{[1
,2
]}

Huang, D. W. ^{[1
]}

Hu, Q. M. ^{[1
]}

Shi, Y. J. ^{[3
]}

Ding, Y. H. ^{[1
]}

Cheng, Z. F. ^{[1
]}

Yang, Z. J. ^{[1
]}

Pan, X. M. ^{[1
]}

Lee, S. G. ^{[4
]}

Tong, R. H. ^{[1
]}

Wei, Y. N. ^{[1
]}

Dong, Y. B. ^{[5
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Hubei, Peoples R China

[2] Chengdu Univ, Chengdu 610106, Sichuan, Peoples R China

[3] Seoul Natl Univ, Dept Nucl Engn, Seoul 08826, South Korea

[4] Natl Fus Res Inst, Daejeon 305333, South Korea

[5] Southwestern Inst Phys, POB 432, Chengdu, Sichuan, Peoples R China

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2018年 / 60卷 / 03期

基金：

新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

plasma rotation; resonant magnetic perturbation; rotation deceleration; rotation acceleration; POLOIDAL ROTATION; ELECTRIC-FIELD; MODE; EDGE;

D O I：

10.1088/1361-6587/aa9c14

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 response of plasma toroidal rotation to the external resonant magnetic perturbations (RMP) has been investigated in Joint Texas Experimental Tokamak (J-TEXT) ohmic heating plasmas. For the J-TEXT's plasmas without the application of RMP, the core toroidal rotation is in the counter-current direction while the edge rotation is near zero or slightly in the co-current direction. Both static RMP experiments and rotating RMP experiments have been applied to investigate the plasma toroidal rotation. The core toroidal rotation decreases to lower level with static RMP. At the same time, the edge rotation can spin to more than 20 km s(-1) in co-current direction. On the other hand, the core plasma rotation can be slowed down or be accelerated with the rotating RMP. When the rotating RMP frequency is higher than mode frequency, the plasma rotation can be accelerated to the rotating RMP frequency. The plasma confinement is improved with high frequency rotating RMP. The plasma rotation is decelerated to the rotating RMP frequency when the rotating RMP frequency is lower than the mode frequency. The plasma confinement also degrades with low frequency rotating RMP.

引用

页数：9

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