| 强流电子二极管中阴极等离子体的膨胀 |
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| 引用本文： | 夏连胜,王勐,黄子平,张开志,石金水,章林文,邓建军.强流电子二极管中阴极等离子体的膨胀[J].物理学报,2004,53(10):3435-3439. |
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| 作者姓名： | 夏连胜 王勐 黄子平 张开志 石金水 章林文 邓建军 |
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| 作者单位： | 中国工程物理研究院流体物理研究所，绵阳 621900 |
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| 基金项目： | 国防科技预研经费资助的课题. |
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| 摘 要： | 研究了强流四脉冲条件下电子真空二极管中阴极等离子体产生、膨胀和由于阴极等离子体膨胀导致二极管短路现象，通过所建立模型和大量实验数据给出了阴极等离子体膨 胀速率为0.5—4cm/μs，且脉冲过程中不均匀.分析了阴极等离子体膨胀对真空二极管电压、阻抗的影响和对多脉冲强流电子束参数的影响，并给出初步解决方案.
关键词：
多脉冲二极管
阴极等离子
膨胀速率
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| 关 键 词： | 多脉冲二极管 阴极等离子 膨胀速率 |
| 收稿时间： | 2003-05-29 |
| 修稿时间： | 1/8/2004 12:00:00 AM |
Explosion of cathode plasma in intense multi-beams electron vacuum diode |
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| Xia Lian-Sheng,Wang Meng,Huang Zi-Ping,Zhang Kai-Zhi,Shi Jin-Shui,Zhang Lin-Wen and Deng Jian-Jun.Explosion of cathode plasma in intense multi-beams electron vacuum diode[J].Acta Physica Sinica,2004,53(10):3435-3439. |
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| Authors: | Xia Lian-Sheng Wang Meng Huang Zi-Ping Zhang Kai-Zhi Shi Jin-Shui Zhang Lin-Wen and Deng Jian-Jun |
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| Abstract: | This paper is involved in generation, explosion of cathode plasma of electron va cuum diode under four-pulse mode. Diode breakdown caused by cathode explosion is observed in experiment. On the assumption that the diode beams are space charge limited beams and according to the experimental data, the explosion velocity of cat hode plasma is 0.5—4cm/μs and is different from each other in differe nt pulse process. The effects of explosion of cathode plasma on diode voltage, dio de impendence and multi-pulse beams are analyzed too. |
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| Keywords: | multi-pulse vacuum diode cathode plasma explosion velocity |
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