Experimental studies of the behavior of the ion plasma component during disruptive instability in a tokamak

Results are presented from experimental studies of the behavior of the plasma ion component during disruptive instability in the TVD and DAMAVAND tokamaks. It is shown that the ion temperature increases during a major disruption by a factor of 1.5-2. The ions are accelerated predominantly across the...

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Bibliographic Details
Published in:Plasma physics reports 2005-04, Vol.31 (4), p.273-281
Main Authors: Brevnov, N. N., Gott, Yu. V., Shurygin, V. A.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRIC FIELDS
ELECTRON TEMPERATURE
ION TEMPERATURE
IONS
MAGNETIC FIELDS
MAGNETIC SURFACES
MAGNETOHYDRODYNAMICS
PLASMA
PLASMA CONFINEMENT
PLASMA GUNS
PLASMA INSTABILITY
TOKAMAK DEVICES
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Summary:Results are presented from experimental studies of the behavior of the plasma ion component during disruptive instability in the TVD and DAMAVAND tokamaks. It is shown that the ion temperature increases during a major disruption by a factor of 1.5-2. The ions are accelerated predominantly across the magnetic field near the rational magnetic surfaces. Results on the ion acceleration along the magnetic field indicate that disruptions are accompanied by the generation of longitudinal electric fields that are aligned in opposite directions at the plasma periphery and near the plasma axis.
ISSN:1063-780X
1562-6938
DOI:10.1134/1.1904143