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Abstract

The theory of toroidal pinches, in particular reverse field pinches and spheromaks, is reviewed. The key area of ideal and resistive stability of the pinch has been explored for nearly three decades whereas the non-linear consequences of these instabilities has only recently received attention. The spontaneous ability of pinches to relax and produce a reversed toroidal field was noted in early experiments and numerous theoretical ideas were developed to explain this process. The theory of plasma relaxation is now well developed and provides a general basis for explaining many of the phenomena observed in pinches. The theory of anomalous transport is in its infancy but the invariance properties of the underlying equations do provide important information on the transport scaling.

Additional information

Authors: ROBINSON D C CULHAM LABORATORY, ABINGDON, UK, CULHAM LABORATORY, ABINGDON, UK
Bibliographic Reference: REPORT CLM-P810, 1987, AVAILABILITY: UKAEA, ABINGDON, UK
Record Number: 1989126081800 / Last updated on: 1989-05-01
Category: PUBLICATION
Available languages: en