Simulation of helium supersonic molecular beam injection in tokamak plasma

doi:10.1088/1674-1056/ab81fd

中国物理B ›› 2020, Vol. 29 ›› Issue (6): 65201-065201.doi: 10.1088/1674-1056/ab81fd

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Simulation of helium supersonic molecular beam injection in tokamak plasma

Xue-Ke Wu(吴雪科), Zhan-Hui Wang(王占辉), Hui-Dong Li(李会东), Li-Ming Shi(石黎铭), Di Wan(万迪), Qun-Chao Fan(樊群超), Min Xu(许敏)

1 School of Science, Key Laboratory of High Performance Scientific Computation, Xihua University, Chengdu 610039, China;
2 Southwestern Institute of Physics, Chengdu 610041, China

收稿日期:2019-12-23 修回日期:2020-02-18 出版日期:2020-06-05 发布日期:2020-06-05
通讯作者: Zhan-Hui Wang, Hui-Dong Li E-mail:zhwang@swip.ac.cn;huidongli@mail.xhu.edu.cn
基金资助:
Project supported by the Chunhui Program of the Ministry of Education of China (Grant No. Z2017091), the Sichuan Provincial Science Foundation for Distinguished Young Leaders of Disciplines in Science and Technology, China (Grant Nos. 2019JDJQ0051 and 2019JDJQ0050), the National Natural Science Foundation of China (Grant Nos. 11575055 and 11605143), the Fund for Young Scientists of China, the Open Research Subjects of the Key Laboratory of Advanced Computation in Xihua University, China (Grant Nos. szjj2017-011 and szjj2017-012), and the Young Scholarship Plan of Xihua University, China (Grant No. 0220170201).

Simulation of helium supersonic molecular beam injection in tokamak plasma

Xue-Ke Wu(吴雪科)¹, Zhan-Hui Wang(王占辉)², Hui-Dong Li(李会东)¹, Li-Ming Shi(石黎铭)¹, Di Wan(万迪)¹, Qun-Chao Fan(樊群超)¹, Min Xu(许敏)²

1 School of Science, Key Laboratory of High Performance Scientific Computation, Xihua University, Chengdu 610039, China;
2 Southwestern Institute of Physics, Chengdu 610041, China

Received:2019-12-23 Revised:2020-02-18 Online:2020-06-05 Published:2020-06-05
Contact: Zhan-Hui Wang, Hui-Dong Li E-mail:zhwang@swip.ac.cn;huidongli@mail.xhu.edu.cn
Supported by:
Project supported by the Chunhui Program of the Ministry of Education of China (Grant No. Z2017091), the Sichuan Provincial Science Foundation for Distinguished Young Leaders of Disciplines in Science and Technology, China (Grant Nos. 2019JDJQ0051 and 2019JDJQ0050), the National Natural Science Foundation of China (Grant Nos. 11575055 and 11605143), the Fund for Young Scientists of China, the Open Research Subjects of the Key Laboratory of Advanced Computation in Xihua University, China (Grant Nos. szjj2017-011 and szjj2017-012), and the Young Scholarship Plan of Xihua University, China (Grant No. 0220170201).

摘要/Abstract

摘要：

To study helium (He) supersonic molecular beam injection (SMBI) into H-mode tokamak plasma, a simplified multicomponent-plasma model under the assumption of quasi-neutral condition is developed and implemented in the frame of BOUT ++. The simulation results show that He species propagate inwards after He SMBI, and are deposited at the bottom of the pedestal due to intensive ionization and weak spreading speed. It is found that almost all injected helium particles strip off all the bounded electrons. He species interact intensively with background plasma along the injection path during He SMBI, making deuterium ion density profile drop at the He-deposited location and resulting in a large electron temperature decreasing, but deuterium ion temperature decreasing a little at the top of the pedestal.

关键词: SMBI simulation, neutral transport, helium transport, H-mode plasma

Abstract:

Key words: SMBI simulation, neutral transport, helium transport, H-mode plasma

中图分类号: (Transport properties)

52.25.Fi

52.25.Ya (Neutrals in plasmas)

吴雪科, 王占辉, 李会东, 石黎铭, 万迪, 樊群超, 许敏. Simulation of helium supersonic molecular beam injection in tokamak plasma[J]. 中国物理B, 2020, 29(6): 65201-065201.

Xue-Ke Wu(吴雪科), Zhan-Hui Wang(王占辉), Hui-Dong Li(李会东), Li-Ming Shi(石黎铭), Di Wan(万迪), Qun-Chao Fan(樊群超), Min Xu(许敏). Simulation of helium supersonic molecular beam injection in tokamak plasma[J]. Chin. Phys. B, 2020, 29(6): 65201-065201.

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Simulation of helium supersonic molecular beam injection in tokamak plasma

Simulation of helium supersonic molecular beam injection in tokamak plasma

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