Self-organization of three-dimensional magnetohydrodynamics in confined geometries
Résumé
The spatiotemporal self-organization of visco-resistive magnetohydrodynamics (MHD) in a toroidal geometry is studied. It is observed that a flow is generated spontaneously, which evolves from dominantly poloidal to dominantly toroidal when the Lundquist number is increased. Up-down asymmetry of the geometry is necessary to generate a non-zero net toroidal mass-flow.
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