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Repetitive nanosecond-pulse discharge in a highly nonuniform electric field in atmospheric air: X-ray emission and runaway electron generation

Published online by Cambridge University Press:  25 May 2012

Tao Shao ,
Victor F. Tarasenko ,
Cheng Zhang ,
Evgeni KH. Baksht ,
Ping Yan  and
Yuliya V. Shut'Ko
Tao Shao*
Affiliation:
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China
Victor F. Tarasenko
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
Cheng Zhang
Affiliation:
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China
Evgeni KH. Baksht
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
Ping Yan
Affiliation:
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing, China
Yuliya V. Shut'Ko
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
*
Address correspondence and reprint requests to: Tao Shao, Institute of Electrical Engineering, Chinese Academy of Sciences, P.O. Box 2703, 100190 Beijing, China. E-mail: st@mail.iee.ac.cn
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Abstract

Repetitive nanosecond-pulse discharge with a highly inhomogeneous electric field was investigated in air at atmospheric pressure. Three repetitive nanosecond generators were used, and the rise times of the voltage pulses were 15, 1, and 0.2 ns, respectively. Under different experimental conditions, X-rays and runaway electron beams were directly measured using various setups. The variables affecting X-rays and runaway electrons, including gap distance, pulse repetition frequency, anode geometry, and material, were investigated. It was shown that it was significantly easier to record the X-rays than the runaway electrons in the repetitive nanosecond-pulse discharge. It was confirmed that a volume diffuse discharge was attributed to the generation of runaway electrons and the corresponding X-rays.

Keywords

Air dischargeDiffuse dischargeInhomogeneous electric fieldNanosecond pulseRunaway electronsX-rays
Type
Research Article
Information
Laser and Particle Beams , Volume 30 , Issue 3 , September 2012 , pp. 369 - 378
Copyright
Copyright © Cambridge University Press 2012

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