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Maintaining an FRC by two counter-rotating magnetic fields

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Visentin, DC and Hugrass, WN (2008) Maintaining an FRC by two counter-rotating magnetic fields. Proc. of the 18th National Congress of the Australian Institute of Physics, Adelaide 30 Nov.-5 Dec. 2008, Australian Institute of Physics. ISSN 1-876346-57-4

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Abstract

Field-Reversed-Configurations (FRCs) can be sustained using a rotating magnetic field (RMF) to drive the current by entraining the electron fluid. A steady state cannot be achieved in this way since the electrons impart angular momentum to the ions by collisions. It is possible, however, to control the motion of the ions using a counter-rotating RMF and hence achieve a steady state where the net angular momentum transfer vanishes. Both RMFs penetrate into the plasma much farther than the skin depth because of nonlinear effects. We present a numerical investigation of the accessibility of these equilibria from suitable initial conditions.

Item Type: Article
Keywords: Nuclear Fusion, Rotamak, Plasma Physics, Feild Reversed Configuration
Journal or Publication Title: Proc. of the 18th National Congress of the Australian Institute of Physics, Adelaide 30 Nov.-5 Dec. 2008, Australian Institute of Physics
ISSN: 1-876346-57-4
Date Deposited: 27 Apr 2009 01:47
Last Modified: 18 Nov 2014 03:57
URI: http://eprints.utas.edu.au/id/eprint/8568
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