Tungsten transport due to the neoclassical toroidal viscosity induced by resonant magnetic perturbation in the EAST tokamak

被引：5
|
作者：
Chang, Youyou [1 ]
Sun, Youwen [2 ]
Sheng, Hui [1 ]
Yan, Xingting [2 ]
Li, Hanhui [3 ]
Xie, Pengcheng [1 ]
Zhang, Wenmin [1 ]
Guo, Jin [1 ]
Mao, Shifeng [1 ]
Liu, Yueqiang [4 ]
Zhang, Ling [2 ]
Duan, Yanmin [2 ]
Li, Yingying [2 ]
Zang, Qing [2 ]
Ye, Minyou [1 ]
机构：
[1] Univ Sci & Technol China, Sch Nucl Sci & Technol, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
[2] Chinese Acad Sci, Inst Plasma Phys, Hefei Inst Phys Sci, POB 1126, Hefei 230031, Anhui, Peoples R China
[3] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China
[4] Gen Atom, POB 85608, San Diego, CA 92186 USA
来源：
PHYSICS OF PLASMAS | 2023年 / 30卷 / 12期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
IMPURITY BEHAVIOR; PLASMA;
D O I：
10.1063/5.0165669
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 impact of neoclassical toroidal viscosity (NTV) induced by resonant magnetic perturbations (RMPs) on tungsten has been studied in EAST. Modeling results from NTVTOK show that the NTV effect on low charge state tungsten ions is greater than that on high charge state tungsten ions, and the effective transport coefficient of W 20 + is only on the order of 10( - 4) - 10( - 3) m( 2) / s, while the effective transport coefficient of W 1 + can reach 0.1-1 m( 2 )/ s, which is close to the 2D neoclassical diffusion coefficient of W 1 +. The flux of W 1 + exhibits a clear phase dependence on the RMP spectrum, and the W 1 + flux obtained from NTVTOK is higher at low toroidal mode numbers compared to high toroidal mode numbers of RMPs, which is qualitatively consistent with EAST experiments.
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页数：8
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