The impact of n=2 resonant magnetic perturbations on limiter H-mode plasmas in TEXTOR

B. Unterberg, S. S. Abdullaev, J. W. Coenen, P. Dumortier, K. H. Finken, M. W. Jakubowski, D. Kalupin, H. R. Koslowski, A. Krämer-Flecken, M. Yu Kantor, M. Lehnen, Y. Liang, K. Löwenbrück, U. Samm, O. Schmitz, G. Sergienko, S. Soldatov, G. W. Spakman, M. Z. Tokar', E. UzgelG. Van Wassenhove, Y. Xu, O. Zimmermann

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdragepeer review

Samenvatting

Edge pressure profiles can be controlled by the DED in limiter H-mode plasmas. However, no operational window could be found so far where the H-mode pedestal is maintained but the ELMs are suppressed. In the 6/2 base mode configuration the edge pedestal is steadily reduced with increasing perturbation together with ELM size until the plasma is finally driven back to L-mode. A density pump-out has not been observed under these conditions where the near field of the DED directs the plasma onto the inner wall along laminar flux tubes. These results emphasize the importance of the magnetic topology for particle transport.

Originele taal-2Engels
Titel34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts
Pagina's917-920
Aantal pagina's4
Uitgave2
StatusGepubliceerd - 2007
Evenement34th European Physical Society Conference on Plasma Physics 2007, EPS 2007 - Warsaw, Polen
Duur: 2 jul. 20076 jul. 2007

Publicatie series

Naam34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts
Nummer2
Volume31

Congres

Congres34th European Physical Society Conference on Plasma Physics 2007, EPS 2007
Land/RegioPolen
StadWarsaw
Periode2/07/076/07/07

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