DocumentCode :
64027
Title :
Features of spherical particle dynamics near a plane electrode of vacuum gap in an increasing electric field
Author :
Nefyodtsev, E.V.
Author_Institution :
Inst. of High-Current Electron., Tomsk, Russia
Volume :
21
Issue :
2
fYear :
2014
fDate :
Apr-14
Firstpage :
892
Lastpage :
905
Abstract :
The paper reports on numerical simulation of dynamics of a spherical particle escaped from one of the electrodes of a vacuum gap at an increasing electric field. It is shown that at a sufficiently high rate of rise of the electric field strength, the particle can be held for a time at the electrode by electrostatic force. During this time, the particle makes small jumps which involve spikes of local field strength (up to 3 - 4 GV/m) and field emission current in the space between the particle and the electrode. The possibility of activation of emission sites and initiation of vacuum breakdown on particle detachment from the electrode is discussed.
Keywords :
electric fields; electrodes; field emission; vacuum breakdown; electric field strength; electrostatic force; field emission current; particle detachment; particle dynamics; plane electrode; spherical particle; vacuum breakdown; vacuum gap; Electric fields; Electrodes; Electrostatics; Force; Metals; Vacuum breakdown; Dynamics; electric field effects; electron emission; electrostatic analysis; vacuum breakdown;
fLanguage :
English
Journal_Title :
Dielectrics and Electrical Insulation, IEEE Transactions on
Publisher :
ieee
ISSN :
1070-9878
Type :
jour
DOI :
10.1109/TDEI.2013.004032
Filename :
6783085
Link To Document :
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