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

被引：4

作者：

Huang, Wan-Ying ^{[1
,2
]}

Shen, Jie ^{[1
,2
]}

Zhong, Hao-Wen ^{[1
,2
]}

Zhang, Jie ^{[1
,2
,3
]}

Liang, Guo-Ying ^{[1
,2
]}

Yu, Xiang ^{[1
,2
]}

Zhang, Shi-Jian ^{[1
,2
]}

Xu, Mo-Fei ^{[1
,2
]}

Gao, Jian-Wei ^{[1
]}

Yu, Xiao ^{[1
,2
,4
]}

Yan, Sha ^{[5
]}

Le, Xiao-Yun ^{[1
,2
]}

机构：

[1] Beihang Univ, Sch Phys & Nucl Energy Engn, 37 Xueyuan Rd, Beijing 100191, Peoples R China

[2] Beihang Univ, Beijing Key Lab Adv Nucl Energy Mat & Phys, Beijing 100191, Peoples R China

[3] Minist Environm Protect, Nucl & Radiat Safety Ctr, Beijing 100082, Peoples R China

[4] Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China

[5] Peking Univ, Inst Heavy Ion Phys, Beijing 100871, Peoples R China

来源：

HIGH TEMPERATURE MATERIAL PROCESSES | 2018年 / 22卷 / 01期

基金：

中国国家自然科学基金;

关键词：

intense pulsed ion beam; magnetically insulated diode; magnetic field distribution; magnetic probe;

D O I：

10.1615/HighTempMatProc.2018026934

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：35 / 45

页数：11

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