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- Title
Formulas for estimating the parameters of the positive column of a glow discharge in electronegative gases for finite ionic temperatures.
- Authors
Golovitskii, A.
- Abstract
Explicit simple but at the same time sufficiently exact explicit analytic expressions are obtained under the simplest assumption concerning the constancy of plasma-chemical processes in the plasma of the positive column of low- and moderate-pressure discharges in the case of detachment by neutral particles. These relations make it possible to rapidly estimate the geometrical parameters of spatial distributions of charged particle concentrations in this plasma, as well as its energy parameters, without resorting to numerical simulation. For the first time, the finiteness of ionic temperatures and the presence of ion diffusion are taken into account. It is shown that transverse stratification of the electronegative plasma into regions with different ionic compositions is a consequence of nonisothermality of the plasma.
- Subjects
POSITIVE columns (Electric discharges); MATHEMATICAL formulas; PARAMETER estimation; GLOW discharges; ELECTRONEGATIVITY; FINITE element method; ION acoustic waves
- Publication
Technical Physics, 2014, Vol 59, Issue 3, p360
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784214030116