| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Magnetic diagnostics layout design for CFETR plasma equilibrium reconstruction |
| Qingze Yu(于庆泽)1,2, Yao Huang(黄耀)1,†, Zhengping Luo(罗正平)1, Yuehang Wang(汪悦航)1, Zijie Liu(刘自结)3, Wangyi Rui(芮望颐)1,2, Kai Wu(吴凯)1, Bingjia Xiao(肖炳甲)1,2, and Jiangang Li(李建刚)1,2 |
1 Institute of Plasma Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;
2 University of Science and Technology of China, Hefei 230026, China;
3 College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China |
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Abstract Plasma equilibrium reconstruction provides essential information for tokamak operation and physical analysis. An extensive and reliable set of magnetic diagnostics is required to obtain accurate plasma equilibrium. This study designs and optimizes the magnetic diagnostics layout for the reconstruction of the equilibrium of the plasma according to the scientific objectives, engineering design parameters, and limitations of the Chinese Fusion Engineering Test Reactor (CFETR). Based on the CFETR discharge simulation, magnetic measurement data are employed to reconstruct consistent plasma equilibrium parameters, and magnetic diagnostics' number and position are optimized by truncated Singular value decomposition, verifying the redundancy reliability of the magnetic diagnostics layout design. This provides a design solution for the layout of the magnetic diagnostics system required to control the plasma equilibrium of CFETR, and the developed design and optimization method can provide effective support to design magnetic diagnostics systems for future magnetic confinement fusion devices.
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Received: 23 November 2023
Revised: 18 January 2024
Accepted manuscript online: 30 January 2024
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PACS:
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52.55.Fa
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(Tokamaks, spherical tokamaks)
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28.52.-s
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(Fusion reactors)
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52.70.Ds
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(Electric and magnetic measurements)
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52.55.-s
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(Magnetic confinement and equilibrium)
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| Fund: Project supported by the National MCF Energy Research and Development Program of China (Grant Nos. 2022YFE03010002, 2018YFE0302100, and 2018YFE0301105) and the National Natural Science Foundation of China (Grant Nos. 11875291, 11805236, 11905256, and 12075285). |
Corresponding Authors:
Yao Huang
E-mail: yaohuang@ipp.ac.cn
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Cite this article:
Qingze Yu(于庆泽), Yao Huang(黄耀), Zhengping Luo(罗正平), Yuehang Wang(汪悦航), Zijie Liu(刘自结), Wangyi Rui(芮望颐), Kai Wu(吴凯), Bingjia Xiao(肖炳甲), and Jiangang Li(李建刚) Magnetic diagnostics layout design for CFETR plasma equilibrium reconstruction 2024 Chin. Phys. B 33 045201
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