Critical field index for passive coil stabilization of the spheromak shift instability

The physics of a shifting spheromak plasma inside a passive stabilization coil is examined. Criteria for the design of these coils are derived for various spheromak current distributions. For realistic coils and force‐free plasmas a critical field index is derived, above which the coils are ineffect...

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Bibliographic Details
Published in:Review of scientific instruments 1986-12, Vol.57 (12), p.2961-2965
Main Authors: Goldenbaum, G. C., Hess, R. A., Shaw, R. S.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Magnetic confinement and equilibrium
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
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Summary:The physics of a shifting spheromak plasma inside a passive stabilization coil is examined. Criteria for the design of these coils are derived for various spheromak current distributions. For realistic coils and force‐free plasmas a critical field index is derived, above which the coils are ineffective.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1139024