Dissemin is shutting down on January 1st, 2025

Published in

EDP Sciences, EAS Publications Series, (58), p. 167-171, 2012

DOI: 10.1051/eas/1258027

American Astronomical Society, Astrophysical Journal, 1(767), p. 84, 2013

DOI: 10.1088/0004-637x/767/1/84

Elsevier, High Energy Density Physics, 1(9), p. 108-111

DOI: 10.1016/j.hedp.2012.12.001

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Numerical Simulations of Z-pinch Experiments to Create Supersonic Differentially Rotating Plasma Flows

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The aim of this work is to produce and study a high energy density laboratory plasma relevant to astrophysical accretion disks. To this end, an experimental setup based on a modified cylindrical wire array was devised, which employs a cusp magnetic field to introduce angular momentum into the system. The setup was studied numerically with the three-dimensional, resistive magneto-hydrodynamic code GORGON. Simulations show that a differentially-rotating flow is formed, with typical rotation velocity and Mach number values of 60 km/s and Mφ ∼ 5 respectively. The plasma is radiatively cooled and presents a Reynolds number higher than 107. In addition, the magnetic Reynolds number and the plasma β are >1. Such a plasma is of interest for the study of hydrodynamic and magneto-hydrodynamic instabilities, and turbulence generation in differentially-rotating plasma flows.