NIFS-076

FULL TEXT (PDF, 451 KB)


Author(s):

T.Hayashi, A.Tadei, N.Ohyabu and T.Sato

Title:

Suppression of Magnetic Surface Breading by Simple Extra Coils in Finite Beta Equilibrium of Helical System

Date of publication:

Feb. 1991

Key words:

Heliotron, Torsatron, correction coil, finite beta helical equilibrium

Abstract:

A simple method is proposed to suppress actively the breaking of magnetic surfaces which occurs in l = 2 Heliotron/Torsatron equilibria, by which fairly high beta equilibria with clearly nested magnetic surfaces can be realized without changing other physical properties such as the rotational transform profile and the well depth.

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