Title :
Theoretical analysis of pressure perturbations at dense plasma column formed in radial phase of a Mather type plasma focus
Author :
Amrollahi, R. ; Habibi, M.
Author_Institution :
RPRC, Amirkabir Univ. of Technol., Tehran
Abstract :
In this paper we simulate shock wave propagation by magnetohydrodynamics (MHD) equations and pressure propagations between two electrodes had been investigated. The results showed that influence of shock wave propagation on the inward motion current sheath by Lorentz force had considerable effects on plasma pinch behavior and it may have an important responsibility for dense plasma column disruption before occurrence of m=0 instability.
Keywords :
perturbation theory; pinch effect; plasma focus; plasma instability; plasma magnetohydrodynamics; plasma sheaths; plasma shock waves; Lorentz force; MHD equations; Mather tye plasma focus; dense plasma column; instability; inward motion current sheath; magnetic piston; magnetohydrodynamics equations; out-going reflected shock front; plasma pinch; pressure perturbations; pressure propagation; shock wave propagation; Electrodes; Equations; Lorentz covariance; Magnetic analysis; Magnetohydrodynamics; Plasma density; Plasma sheaths; Plasma simulation; Plasma waves; Shock waves;
Conference_Titel :
Plasma Science, 2008. ICOPS 2008. IEEE 35th International Conference on
Conference_Location :
Karlsruhe
Print_ISBN :
978-1-4244-1929-6
Electronic_ISBN :
0730-9244
DOI :
10.1109/PLASMA.2008.4590698
