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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN 印刷: 1093-3611
ISSN オンライン: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2018026934
pages 35-45

MEASUREMENT OF THE MAGNETIC FIELD DISTRIBUTION IN A MAGNETICALLY INSULATED DIODE WITH EXTERNAL MAGNETIC FIELD

Wan-Ying Huang
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Jie Shen
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Hao-Wen Zhong
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Jie Zhang
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China; Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, People's Republic of China
Guo-Ying Liang
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Xiang Yu
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Shi-Jian Zhang
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Mo-Fei Xu
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China
Jian-Wei Gao
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China
Xiao Yu
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China; School of Space and Environment, Beihang University, Beijing, 100191, People's Republic of China
Sha Yan
Institute of Heavy Ion Physics, Peking University, Beijing, 100871, People's Republic of China
Xiao-Yun Le
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, People's Republic of China; Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing, 100191, People's Republic of China

要約

The current density of intense pulsed ion beam can be adjusted by modulating the magnetic field of a magnetically insulated diode, and this makes the magnetic field distribution vital to the performance of the diode. In this work, the magnetic field of a magnetically insulated diode was measured by a magnetic probe composed of one pair of perpendicular induction coils. As revealed by the measurement, the minimum magnetic induction intensity is reached near the outer cathode, while the value increases monotonically with approach to the inner cathode. The nonuniform emission of anode was discussed with account for this distribution. It is also demonstrated that the magnetic field distribution can be affected by the additional magnetic field induced by the eddy current in the anode. The method to improve the efficiency of the diode and optimization of accelerator performance was discussed reasonably.


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