DocumentCode
332416
Title
Electron energy balance in a high current vacuum discharge with an evaporative anode
Author
Ulyanov, K.N.
Author_Institution
All-Russian Electrotech. Inst., Moscow, Russia
Volume
1
fYear
1998
fDate
17-21 Aug 1998
Firstpage
337
Abstract
The paper considers a nonequilibrium model of a high current vacuum arc where particle balance and energy balance substantially nonlocal. The balance of electron energy is studied with allowance for ionization of anode vapors. It is shown with a density of anode vapors~1022 m-3 distribution of electron temperature in the near-anode zone is highly inhomogeneous. A simple nonequilibrium model is offered to describe cathode flames. It is shown at a nonisotropic part of cathode flames the voltage may considerably drop
Keywords
anodes; cathodes; evaporation; plasma; vacuum arcs; anode vapor ionisation; cathode flames; electron energy balance; electron temperature distribution; evaporative anode; high-current vacuum arc; high-current vacuum discharge; near-anode zone; nonequilibrium model; particle balance; Anodes; Cathodes; Current density; Electrons; Elementary particle vacuum; Fires; Ionization; Plasma density; Plasma temperature; Vacuum arcs;
fLanguage
English
Publisher
ieee
Conference_Titel
Discharges and Electrical Insulation in Vacuum, 1998. Proceedings ISDEIV. XVIIIth International Symposium on
Conference_Location
Eindhoven
ISSN
1093-2941
Print_ISBN
0-7803-3953-3
Type
conf
DOI
10.1109/DEIV.1998.740640
Filename
740640
Link To Document