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

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdragepeer review

Samenvatting

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.

Originele taal-2Engels
Titel33rd EPS Conference on Plasma Physics 2006, EPS 2006 - Europhysics Conference Abstracts
Pagina's1179-1182
Aantal pagina's4
StatusGepubliceerd - 2006
Evenement33rd European Physical Society Conference on Plasma Physics 2006, EPS 2006 - Rome, Italië
Duur: 19 jun. 200623 jun. 2006

Publicatie series

Naam33rd EPS Conference on Plasma Physics 2006, EPS 2006
Volume2

Congres

Congres33rd European Physical Society Conference on Plasma Physics 2006, EPS 2006
Land/RegioItalië
StadRome
Periode19/06/0623/06/06

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