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Abstract

THE SIGNATURES OF RESISTIVE BALLOONING MODES IN ASDEX HIGH BETA DISCHARGES ARE INVESTIGATED. IT IS SHOWN THAT THE GROWTH RATES OF THESE MODES INCREASE SIGNIFICANTLY WHEN BETA(P) REACHES ITS MAXIMUM VALUE DURING THE DISCHARGE AND THEREFORE THEY CAN BE USED TO EXPLAIN THE "HARD BETA(P) SATURATION" BEHAVIOUR. A SIMPLE ESTIMATE OF THE CORRESPONDING ELECTRON HEAT CONDUCTIVITY GIVES VALUES OF X(C) > 1M /S IN AGREEMENT WITH EXPECTATIONS FROM THE OBSERVED CONFINEMENT DETERIORATION AT MAXIMUM BETA.

Additional information

Authors: GRASSIE K, MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, MUENCHEN, D;ZEHRFELD H P MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, MUENCHEN, D, MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, MUENCHEN, D
Bibliographic Reference: NUCLEAR FUSION, VOL. 28, NO. 5, PP 899-901, 1988
Record Number: 1989126220200 / Last updated on: 1989-04-01
Category: PUBLICATION
Available languages: en