| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Numerical studies for plasmas of a linear plasma device HIT-PSI with geometry modified SOLPS-ITER |
| Min Wang(王敏)1, Qiuyue Nie(聂秋月)2,3,†, Tao Huang(黄韬)1, Xiaogang Wang(王晓钢)1,3, and Yanjie Zhang(张彦杰)4 |
1 School of Physics, Harbin Institute of Technology, Harbin 150001, China;
2 School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China;
3 Laboratory for Space Environment and Physical Sciences, Harbin Institute of Technology, Harbin 150001, China;
4 MOE (Ministry of Education) Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, School of Physics, Dalian Institute of Technology, Dalian 116024, China |
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Abstract The HIT-PSI is a linear plasma device built for physically simulating the high heat flux environment of future reactor divertors to test/develop advanced target plate materials. In this study, the geometry-modified SOLPS-ITER program is employed to examine the effects of the magnetic field strength and neutral pressure in the device on the heat flux experienced by the target plate of the HIT-PSI device. The findings of the numerical simulation indicate a positive correlation between the magnetic field strength and the heat flux density. Conversely, there is a negative correlation observed between the heat flux density and the neutral pressure. When the magnetic field strength at the axis exceeds 1 tesla and the neutral pressure falls below 10 Pa, the HIT-PSI has the capability to attain a heat flux of 10 MW·m-2 at the target plate. The simulation results offer a valuable point of reference for subsequent experiments at HIT-PSI.
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Received: 05 November 2023
Revised: 13 December 2023
Accepted manuscript online: 19 December 2023
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PACS:
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52.55.Dy
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(General theory and basic studies of plasma lifetime, particle and heat loss, energy balance, field structure, etc.)
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52.65.-y
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(Plasma simulation)
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28.52.-s
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(Fusion reactors)
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| Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2018YFE0303105), the Fundamental Research Funds for the Central Universities (Grant No. 2022FRFK060021), and the National MCF Energy Research and Development Program (Grant No. 2019YFE03080300). |
Corresponding Authors:
Qiuyue Nie
E-mail: nieqiuyue@hit.edu.cn
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Cite this article:
Min Wang(王敏), Qiuyue Nie(聂秋月), Tao Huang(黄韬), Xiaogang Wang(王晓钢), and Yanjie Zhang(张彦杰) Numerical studies for plasmas of a linear plasma device HIT-PSI with geometry modified SOLPS-ITER 2024 Chin. Phys. B 33 035204
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