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Abstract

A coreless compact magnetic confinement system that consists of sets of helical windings and vertical magnetic field coils is investigated. The helical coils produce a small toroidal translation of the magnetic field lines and seed paramagnetism. The force-free component of the toroidal current strongly enhances the paramagnetism such that isokynamic conditions near the plasma centre can be approached. At B ~ 5%, the configuration is stable to local MHD modes. Global MHD modes limit the toroidal current 2j to about -60kA for peaked J. Bootstrap-like hollow current profiles generate quasiaxisymmetric systems that require a close fitting conducting shell to satisfy external kink stability.

Additional information

Authors: CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS ECOLE POLYTECHNIQUE FEDERALE, ;LAUSANNE (CH),
Bibliographic Reference: Article: IAEA Fusion Energy Conference - Proceedings (1998)
Record Number: 199910489 / Last updated on: 1999-03-26
Category: PUBLICATION
Original language: en
Available languages: en