NDLI: Research on Erosion Property of Field-Distortion Gas Switch Electrode in Nanosecond Pulse

Content Provider	IEEE Xplore Digital Library
Author	Hu Wang Qiaogen Zhang Jin Wei Xuandong Liu Aici Qiu
Copyright Year	1973
Abstract	Pulsed power technology is one of the technological foundations in high and new technology research, which has extremely broad development and application prospect. Gas switch is one of the key elements in pulsed power devices, and electrode erosion is a key restrictive factor in high-power gas switch development and application. According to the 1-D equation of heat conduction and thermal equilibrium equation near the electrode surface, this paper researches the electrode heat conduction mechanism, establishes the electrode erosion calculation model, calculates electrode erosion heat fluxes and their peak powers caused under different discharge conditions, and proceeds to calculate the depth of electrode etch pit. Calculation results indicate that arc joule heat is the main reason for electrode erosion when discharge current is not too high. In the light of different discharge parameters, that is, peak current, electric quantity, and current waveform, as well as single discharge electrode erosion experiments, the calculation formula of etch pit depth is fitted. The results indicate that model and fitted calculation results are relatively approximate to the experiment results.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	1733
Ending Page	1742
Page Count	10
File Size	817534
File Format	PDF
ISSN	00933813
Volume Number	40
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Materials Switches Discharges Surface discharges Cathodes field-distortion gas switch Calculation model of etch pit electrode erosion erosion mechanism
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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