Method and apparatus for maintaining equilibrium in a helical ax

Details Method and apparatus for maintaining equilibrium in a helical ax Method and apparatus for maintaining equilibrium in a helical ax

1984-10-31

1987-05-26

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Nuclear fusion

Magnetic confinement of plasma

376121, G21B 100

Patent

active

046684646

ABSTRACT:
Apparatus for maintaining three-dimensional MHD equilibrium in a plasma contained in a helical axis stellerator includes a resonant coil system, having a configuration such that current therethrough generates a magnetic field cancelling the resonant magnetic field produced by currents driven by the plasma pressure on any given flux surface resonating with the rotational transform of another flux surface in the plasma. Current through the resonant coil system is adjusted as a function of plasma beta.

REFERENCES:
patent: 2991238 (1961-07-01), Phillips et al.
Talmadge et al., "MHO Equilibria of a Non-Circular Cross-Section Stellerator", Nuclear Fusion, 1977, pp. 1023-1030.
Johnson, "The Stellerator Approach to Toroidal Plasma Confinement", Nuclear Tech./Fusion, vol. 2, pp. 340-361, Jul. 1982.
Anania et al., "App. of the Stellerator Exp. for Plasma Stability Studies in Steklerators", PPPL-1996, Apr. 1983.
Reiman et al., "Island Formation & Destruction of Flux Surfaces in 3-D MHO Equilibria", PPPL-2062, Nov. 1983.

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