Characteristics of a DC discharge with a water cathode in argon
Journal Article
·
· Plasma Physics Reports
The characteristics of a dc discharge excited between a metal anode and a water cathode in argon were studied experimentally. The dimensions of the positive column and the electric field in it were measured, and the vibrational temperature in the positive column was determined from the N{sub 2}C{sup 3}Π{sub u} → B{sup 3}Π{sub g} (0–2) emission band. It is shown that the power deposited in the positive column is almost entirely spent on gas heating. The obtained dependence of the reduced electric field on the gas pressure and the ionization frequencies calculated by solving the Boltzmann equation indicate that electrons are lost diffusively, whereas ionization proceeds in a stepwise manner via the lower metastable states of argon atoms.
- OSTI ID:
- 22471832
- Journal Information:
- Plasma Physics Reports, Journal Name: Plasma Physics Reports Journal Issue: 1 Vol. 42; ISSN PPHREM; ISSN 1063-780X
- Country of Publication:
- United States
- Language:
- English
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