| 无箔二极管中引导磁场对电子回流的影响 |
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| 引用本文： | 刘列,刘永贵,张亚洲. 无箔二极管中引导磁场对电子回流的影响[J]. 国防科技大学学报, 2002, 24(2): 101-105 |
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| 作者姓名： | 刘列 刘永贵 张亚洲 |
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| 作者单位： | 国防科技大学理学院,湖南,长沙,410073 |
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| 基金项目： | 国家 8 63项目资助 |
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| 摘 要： | 无箔二极管中电子回流是造成绝缘子表面闪络的重要因素 ,用Maxwell方程和电子运动方程定性分析了电子束回流的可能性 ,采用PIC方法模拟了无箔二极管中电子束回流的物理过程 ,由此提出了对引导磁场和阴阳极结构进行优化设计的建议。
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| 关 键 词： | 无箔二极管 引导磁场 电子束回流 |
| 文章编号： | 1001-2486(2002)02-0101-05 |
| 收稿时间： | 2001-10-18 |
| 修稿时间： | 2001-10-18 |
The Influence of Guiding Magnetic Field to the E-Beam Reflux in Foil-less Diode |
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| LIU Lie,LIU Yonggui and ZHANG Yazhou. The Influence of Guiding Magnetic Field to the E-Beam Reflux in Foil-less Diode[J]. Journal of National University of Defense Technology, 2002, 24(2): 101-105 |
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| Authors: | LIU Lie LIU Yonggui ZHANG Yazhou |
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| Affiliation: | College of Science, National Univ. of Defense Technology, Changsha 410073, China;College of Science, National Univ. of Defense Technology, Changsha 410073, China;College of Science, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | The reflux is one of the main factors to cause the dielectric surface flashover. The possibility of producing the reflux is analyzed by the use of Maxwell equations and electron motion equations. Then the PIC method is used to simulate the production process of the e beam electrons reflux in foil-less diode and some simulation results are presented. Finally some suggestions are given for the optimum design of the diode by choosing proper guiding magnetic field and diode structure. |
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| Keywords: | foil-less diode guiding magnetic field return electron flow |
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