Assessment of thermodynamic parameters of plasma shock wave

O. V. Vasileva, Yu N. Isaev, A. A. Budko, A. I. Filkov

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The work is devoted to the solution of the one-dimensional equation of hydraulic gas dynamics for the coaxial magneto plasma accelerator by means of Lax-Wendroff modified algorithm with optimum choice of the regularization parameter artificial viscosity. Replacement of the differential equations containing private derivatives is made by finite difference method. Optimum parameter of regularization artificial viscosity is added using the exact known decision of Soda problem. The developed algorithm of thermodynamic parameter calculation in a braking point is proved. Thermodynamic parameters of a shock wave in front of the plasma piston of the coaxial magneto plasma accelerator are calculated on the basis of the offered algorithm. Unstable high-frequency fluctuations are smoothed using modeling and that allows narrowing the ambiguity area. Results of calculation of gas dynamic parameters in a point of braking coincide with literary data. The chart 3 shows the dynamics of change of speed and thermodynamic parameters of a shock wave such as pressure, density and temperature just before the plasma piston.

Original languageEnglish
Article number012026
JournalJournal of Physics: Conference Series
Volume552
Issue number1
DOIs
Publication statusPublished - 2014

Fingerprint

shock waves
thermodynamics
plasma accelerators
braking
gas dynamics
pistons
viscosity
charts
hydraulics
ambiguity
differential equations
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Assessment of thermodynamic parameters of plasma shock wave. / Vasileva, O. V.; Isaev, Yu N.; Budko, A. A.; Filkov, A. I.

In: Journal of Physics: Conference Series, Vol. 552, No. 1, 012026, 2014.

Research output: Contribution to journalArticle

Vasileva, O. V. ; Isaev, Yu N. ; Budko, A. A. ; Filkov, A. I. / Assessment of thermodynamic parameters of plasma shock wave. In: Journal of Physics: Conference Series. 2014 ; Vol. 552, No. 1.
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