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Magnetic diagnostics layout design for CFETR plasma equilibrium reconstruction

Chinese Physics B 2024年第4期33卷 537-543页

作者：于庆泽黄耀罗正平汪悦航刘自结芮望颐吴凯肖炳甲李建刚 Institute of Plasma Physics Hefei Institute of Physical ScienceChinese Academy of SciencesHefei 230031China University of Science and Technology of China Hefei 230026China College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060China

Plasma equilibrium reconstruction provides essential information for tokamak operation and physical *** extensive and reliable set of magnetic diagnostics is required to obtain accurate plasma *** 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 *** 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.

关键词： plasma equilibrium reconstruction efit code flux loops and magnetic probes optimization

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The Positions and Number of Flux Loops and Magnetic Probes for the HT-7U Superconducting Tokamak

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Plasma Science and Technology 2003年第3期5卷 1785-1794页

作者：沈飙罗家融万宝年王华中 Institute of Plasma Physics the Chinese Academy of SciencesHefei 230031China

The plasma shape and other paremeters such as /3P, li is important for the tokamak deveice where the plasma has a non-circular cross-section of sufficient elongation. The measuered signals of magnetic probes and flux loops are used to reconstruct the plasma shape and the current profile in device operation and plasma shape feed back control system. So the number and positions of magnetic probes and flux loops provides the basis of the plasma reconstruction. This paper instroduce how to use efit code (equilibrium fitting code) to determine the number and positions of the magnetic probes and flux loops. The simulation result is given also.

关键词： equilibrium reconstruction efit code positions and number magnetic probes and flux loops

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