| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Discrete Alfvén eigenmodes in the CFETR steady-state scenario |
| Yuan-Dan Lan(兰源丹)†, Shuang-Hui Hu(胡双辉)‡, Si-Jie Ouyang(欧阳思杰),Wan-Po Zhu(朱万坡), and Xuan-Ge Huang(黄旋格) |
| College of Physics, Guizhou University, Guiyang 550025, China |
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Abstract The stability features of discrete Alfvén eigenmodes (α TAEs) trapped by α-induced potential wells are explored in the China Fusion Engineering Test Reactor (CFETR) advanced steady-state operation environment, where α denotes a measure of the pressure gradient. For the reversed magnetic shear (RS) H-mode scenario with an enhanced internal transport barrier (ITB), the α TAEs are trapped in the electron cyclotron (EC) power deposition region and the effects of different pedestals on α TAEs are analyzed. For the negative off-axis magnetic shear scenario, the α TAEs are discussed, and the effect of different magnetic shears on the α TAEs is presented. Finally, the effects of beam energies and pitch-angle distributions on α TAE stability are also presented.
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Received: 21 August 2022
Revised: 29 October 2022
Accepted manuscript online: 17 November 2022
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PACS:
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52.35.Bj
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(Magnetohydrodynamic waves (e.g., Alfven waves))
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52.50.Gj
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(Plasma heating by particle beams)
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96.50.Vg
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(Energetic particles)
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52.65.-y
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(Plasma simulation)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11775058 and 12175049). |
Corresponding Authors:
Yuan-Dan Lan, Shuang-Hui Hu
E-mail: lyuandan@163.com;shhu@gzu.edu.cn
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Cite this article:
Yuan-Dan Lan(兰源丹), Shuang-Hui Hu(胡双辉), Si-Jie Ouyang(欧阳思杰),Wan-Po Zhu(朱万坡), and Xuan-Ge Huang(黄旋格) Discrete Alfvén eigenmodes in the CFETR steady-state scenario 2023 Chin. Phys. B 32 055201
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