Ionization effects and linear stability in a coaxial plasma device

• Authors: Erol Kurt , Hilal Kurt , Ulku Bayhan
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

coaxial plasma device; oscillatory instability; ionization

Discipline

• 03.65.Db: Functional analytical methods
• 03.65.Ge: Solutions of wave equations: bound states

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2009
• Volume: 7
• Issue: 1
• Pages: 123-129

Dates

published

1 - 3 - 2009

online

8 - 1 - 2009

Contributors

author

Erol Kurt

• Department of Electrical Education, Faculty of Technical Education, Gazi University, 06500, Besevler, Ankara, Turkey

author

Hilal Kurt

• Department of Physics, Faculty of Arts and Sciences, Gazi University, 06500, Besevler, Ankara, Turkey

author

Ulku Bayhan

• Department of Physics, Faculty of Arts and Sciences, Mehmet Akif Ersoy University, 15030, Yenimahalle, Burdur, Turkey

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Identifiers

DOI

10.2478/s11534-008-0135-9