| 在横向磁场中真空电弧后退速度和阴极温度的关系 |
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| 引用本文： | 方道腴. 在横向磁场中真空电弧后退速度和阴极温度的关系[J]. 物理学报, 1983, 32(7): 838-844 |
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| 作者姓名： | 方道腴 |
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| 作者单位： | 复旦大学电光源研究所 |
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| 摘 要： | 本文用光学方法测定了在横向磁场中真空电弧后退运动的速度和阴极温度的关系。实验发现,随着阴极温度的增加,电弧的后退速度下降。实验测得的后退速度的温度关系可用真空电弧后退运动的正离子喷流模型加以解释。关键词：
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| 收稿时间： | 1982-06-07 |
TEMPERATURE DEPENDENCE OF RETROGRADE VELOCITY OF VACUUM ARCS IN MAGNETIC FIELDS |
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| FANG DAO-YU. TEMPERATURE DEPENDENCE OF RETROGRADE VELOCITY OF VACUUM ARCS IN MAGNETIC FIELDS[J]. Acta Physica Sinica, 1983, 32(7): 838-844 |
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| Authors: | FANG DAO-YU |
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| Abstract: | Using optical method the retrograde velocities of vacuum arcs in magnetic fields were measured as a function of the cathode temperature for Cu, Al and 316 stainless steel used as the cathode material. It was found that with increasing the cathode temperature the arc velocity decreases. The experimentally measured temperature dependence of retrograde velocity of vacuum arcs can be explained by the ion jet model for retrograde motion of vacuum arcs. |
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