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Numerical simulation of near-Alfven MHD flows relaxation with a longitudinal magnetic field

Published online by Cambridge University Press:  02 February 2015

Evgeniy V. Styopin
Evgeniy V. Styopin*
Affiliation:
National Research Nuclear University MEPHI, Kashirskoe sh. 31, 115409 Moscow, Russia
*
†Email address for correspondence: styopin.evgeniy@gmail.com
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Abstract

Stationary magnetohydrodynamics flows in nozzle-type channels in the presence of a longitudinal magnetic field are divided into three significantly different classes: super-Alfven flows in which the longitudinal plasma velocity is higher than the Alfven velocity calculated by a longitudinal magnetic field, sub-Alfven flows – with the opposite inequality, and Alfven flows in which the longitudinal plasma velocity coincides with the Alfven velocity over the entire length of the channel and the plasma density has a constant value. In the present work, stationary Alfven and close to Alfven magnetohydrodynamic flows obtained by using a numerical modeling of their relaxation processes in coaxial channels in the presence of a longitudinal magnetic field are considered.

Type
Research Article
Information
Journal of Plasma Physics , Volume 81 , Issue 3 , June 2015 , 905810309
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Copyright
Copyright © Cambridge University Press 2015 

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