Title: Field Reversed Configuration Confinement Enhancement through Edge Biasing and Neutral Beam Injection
Abstract: Field reversed configurations (FRCs) with high confinement are obtained in the C-2 device by combining plasma gun edge biasing and neutral beam injection. The plasma gun creates an inward radial electric field that counters the usual FRC spin-up. The n = 2 rotational instability is stabilized without applying quadrupole magnetic fields. The FRCs are nearly axisymmetric, which enables fast ion confinement. The plasma gun also produces E × B shear in the FRC edge layer, which may explain the observed improved particle transport. The FRC confinement times are improved by factors 2 to 4, and the plasma lifetimes are extended from 1 to up to 4 ms.
Publication Year: 2012
Publication Date: 2012-06-21
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 69
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