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Abstract

From the many non-linear processes occurring in tokamaks three quite different phenomena are considered: - the problem of fast instabilities which is quite subtle and requires some new thinking; - disruptions, which are found to be rather complex. (Although explanations have been provided for some of the features, the initial energy quench does not appear to be consistent with existing theoretical models), and - an analysis of the Kadomstev reconnection model, which leads to doubts about the applicability of the resistive Ohm's law and suggests that the effects of electron inertia would be predominant.

Additional information

Authors: WESSON J A, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(91)02 EN (1991) 7 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199110886 / Last updated on: 1994-12-02
Category: PUBLICATION
Original language: en
Available languages: en