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Title: Limiting parameter values for switch-on and switch-off shocks in ideal magnetohydrodynamics
Authors: Delmont, Peter
Keppens, Rony
Issue Date: 2011
Publisher: Magyar Tudományos Akadémia
Host Document: Acta Technica pages:T404-T413
Conference: Symposium on plasma physics and technology edition:24 location:Prague date:14-17 June, 2010
Abstract: We investigate under which parameter regimes the MHD Rankine-Hugoniot conditions, which describe discontinuous solutions to the MHD equations, allow for switch-on and switch-off shock solutions. We derive limiting values which agree with the literature and show how we can visualize these limits in the parameter space spanned by Alfven Mach number and plasma beta. We show that the superposition of a switch-on and a switch-off shock is also an MHD shock, such that the magnetic field is aligned with the shock normal.
ISSN: 0001-7035
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Plasma-astrophysics Section

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