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Two-dimensional fluid modeling of DC glow discharge in argon at low pressure
Author(s) -
Marjan N. Stankov,
Aleksandar P. Jovanović,
Vera Marković,
S. N. Stamenković
Publication year - 2015
Publication title -
facta universitatis. series: physics, chemistry and technology
Language(s) - English
Resource type - Journals
eISSN - 2406-0879
pISSN - 0354-4656
DOI - 10.2298/fupct1503153s
Subject(s) - glow discharge , argon , ionization , torr , atomic physics , electrode , electric discharge , materials science , current (fluid) , plasma , chemistry , mechanics , physics , ion , thermodynamics , organic chemistry , quantum mechanics
The modeling of DC glow discharge in argon at the pressure p = 1.5 Torr and inter-electrode distance d = 1 cm was performed for different voltages and glow currents. For the first time, argon glow discharge is modeled using a two-dimensional (2D) fluid model with non-local ionization. A detailed numerical procedure for 2D fluid modeling is given. The 2D profiles of particle number densities and electric potential obtained from the fluid model with non-local ionization and the simple fluid model are presented and compared.

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