Abstract
A 2-D computer simulation of a coaxial plasma device depending on the conservation equations of electrons, ions and excited atoms together with the Poisson equation for a plasma gun is carried out. Some characteristics of the plasma focus device (PF) such as critical wave numbers a c and voltages U c in the cases of various pressures Pare estimated in order to satisfy the necessary conditions of traveling particle densities (i.e. plasma patterns) via a linear analysis. Oscillatory solutions are characterized by a nonzero imaginary part of the growth rate \( \Im \)(σ) for all cases. The model also predicts the minimal voltage ranges of the system for certain pressure intervals.
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Kurt, E., Kurt, H. & Bayhan, U. Ionization effects and linear stability in a coaxial plasma device. centr.eur.j.phys. 7, 123–129 (2009). https://doi.org/10.2478/s11534-008-0135-9
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DOI: https://doi.org/10.2478/s11534-008-0135-9