紧凑型氢等离子体枪设计和实验
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摘要: 设计了一种紧凑型氢等离子体枪及驱动电路。这种枪采用同轴结构，电极之间有两层石墨环和两层氢化钛，利用氢化钛作为气源储存体，利用表面闪络机制产生等离子体。实验诊断表明，等离子体枪能产生密度为10×10~1012/cm3,半径为1~2cm,长度为60~80cm的等离子体柱，它在磁场导引下存在时间大于400 μs。该枪结构简单、体积小、重量轻、工作电压低、使用方便。适合作为等离子体高功率微波器件中的等离子体源。Abstract: A compact hydrogen plasma gun system was designed and tested. There are two rings of graphite and two rings of Ti hydride between coaxial electrodes. Ti hydride is utilized as a reservoir of hydrogen. The surface flashover is taken advantage to produce plasma. The produced plasma density is 1010cm-3~ 1012cm-3 in a volume of a column with radius 1cm~2cm and length of 60cm~80cm. The plasma existing time is over 400m s. The plasma gun system is simple, light-weight and compact. It is suitable for high power microwave tubes.
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Key words:
- plasma gun /
- ti hydride /
- surface flashover /
- high power plasma microwave
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