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Abstract

The plasma dynamic response can be used to study transport processes in a tokamak plasma. A method has been developed for the application of dynamic response analysis to study perturbations away from the plasma equilibrium. In this report perturbations on the electron temperature following a sawtooth collapse in the centre of the plasma are considered. The method has been used to find a mathematical description of a series of heat pulses at JET. From the plasma dynamic response, the time constants which characterise the heat pulse are obtained. These time constants are compared to the transport coefficients found in previous analysis of the JET heat pulse data. Various methods used to apply dynamic response analysis to JET heat pulse data are discussed.

Additional information

Authors: GRIGUOLI A, Eindhoven University of Technology (NL);SIPS A C C, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-R(93)04 EN (1993) 18 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199311386 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en
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