Investigation of magnetized, radiative bow-shocks in magnetically accelerated plasma flows

S C Bott-Suzuki,I C Blesener,C E Seyler,B R Kusse,D A Hammer,C L Hoyt,K Blesener,P A Gourdian,N Niasse,J P Chittenden,J B Greenly,S W Cordaro,L S Caballero Bendixsen,A D Cahill

doi:10.1109/plasma.2014.7012254

Investigation of magnetized, radiative bow-shocks in magnetically accelerated plasma flows

S C Bott-Suzuki, I C Blesener + Show 12 more

https://doi.org/10.1109/plasma.2014.7012254

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Publication Date: May 1, 2014

Affiliation: University of California, San Diego, Cornell University, Imperial College London

#Formation Of Bow Shocks #Inverse Wire Array + Show 8 more

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Abstract

We present a study of the formation of bow shocks in radiatively-cooled plasma flows, where a magnetic field can be introduced. This work uses the XP generator (260kA, 145ns) at Cornell University to drive an inverse wire array. A quasi-uniform, large scale hydrodynamic flow is generated and accelerated by Lorentz forces to high Mach numbers. This flow impacts a stationary object placed in its path, forming a well-defined Mach cone. In the hydrodynamic case, the shock front is very narrow (∼60µm) and shows strong cooling in the post-shock region. In addition, the variation of the Mach cone with position and time evidences the strong cooling in the incident flow.

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