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- Title
The diffusion-ionization mechanism of the transverse propagation of Townsend and glow discharges and its influence on the stability and nature of a normal current density.
- Authors
Naumov, N.
- Abstract
The diffusion-ionization mechanism of the transverse propagation of a short Townsend discharge has been investigated theoretically and experimentally near the minimum of the Paschen curve. It has been found that the longitudinal electron diffusion causes significant enhancement of the transverse discharge propagation. The effective coefficient of diffusion-ionization discharge propagation in neon has been measured in different electric fields ( E/ p ≈ 100-220 V cm Torr); its value may be several times larger than the ambipolar diffusion coefficient. The transverse-instability boundary of a Townsend discharge in neon has been determined theoretically and experimentally. The diffusion contribution to the boundary condition determining the normal current density is estimated.
- Subjects
ELECTRON diffusion; TOWNSEND discharge; ELECTRIC fields; GLOW discharges; ELECTRIC discharges; CURRENT density (Electromagnetism)
- Publication
High Temperature, 2015, Vol 53, Issue 3, p319
- ISSN
0018-151X
- Publication type
Article
- DOI
10.1134/S0018151X15020194