Experimental studies on the mechanism for the spin-up of poloidal rotation in ergodic plasmas at the tokamak TEXTOR

C. Busch, M. De Bock, K. H. Finken, M. V. Hellermann, S. Jachmich, M. Jakubowski, M. Lehnen, U. Samm, B. Schweer, B. Unterberg

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

Plasma rotation and the radial electric field have been investigated under influence of magnetic perturbations imposed by the Dynamic Ergodic Divertor in TEXTOR. In the stochastic edge plasma the poloidal rotation changes from electron to ion diamagnetic drift direction and the toroidal rotation increases into co-current direction. These variations are governed by the strength of the magnetic perturbation rather than by its rotation. The radial electric field becomes positive here. The changes of rotation and electric field can be reproduced in a simple model for the rotation with a torque produced by a transverse current in the stochastic layer.

OriginalspracheEnglisch
Titel33rd EPS Conference on Plasma Physics 2006, EPS 2006 - Europhysics Conference Abstracts
Seiten1179-1182
Seitenumfang4
PublikationsstatusVeröffentlicht - 2006
Veranstaltung33rd European Physical Society Conference on Plasma Physics 2006, EPS 2006 - Rome, Italien
Dauer: 19 Juni 200623 Juni 2006

Publikationsreihe

Name33rd EPS Conference on Plasma Physics 2006, EPS 2006
Band2

Konferenz

Konferenz33rd European Physical Society Conference on Plasma Physics 2006, EPS 2006
Land/GebietItalien
OrtRome
Zeitraum19/06/0623/06/06

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