H-mode results in ASDEX Upgrade

F. Ryter, K. Buchl, C. Fuchs, O. Gehre, O. Gruber, A. Herrmann, A. Kallenbach, M. Kaufmann, W. Koppendorfer, F. Mast, V. Mertens, R. Neu, S. De Pena Hempel, K. H. Steuer, H. Zohm

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

54 Zitate (Scopus)

Abstract

The H-mode obtained in ASDEX Upgrade by three heating methods (Ohmic, NBI, ICRF) is analysed. The power threshold is shown to be relatively low compared with other tokamaks and to be independent of the heating method. The operational window for the different types of H-phases, (dithering, ELMing with type-III and I ELMs, ELM-free) is given and discussed. The features of the H-mode discharges, in particular quasi-stationary ELMing phases with type I ELMs, are described and discussed. Finally, it is shown that the power flux through the plasma edge is a key parameter for H-mode operation and control.

OriginalspracheEnglisch
Aufsatznummer011
Seiten (von - bis)A99-A104
FachzeitschriftPlasma Physics and Controlled Fusion
Jahrgang36
Ausgabenummer7 A
DOIs
PublikationsstatusVeröffentlicht - 1994
Extern publiziertJa

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