Excitation of global modes in TEXTOR and comparison with theory

P. Descamps, R. Koch, R. Van Nieuwenhove, G. Van Oost, G. Van Wassenhove, T. Delvigne, A. M. Messiaen, P. E. Vandenplas, R. R. Weynants

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

Abstract

The excitation of fast-wave global eigenmodes is investigated both experimentally for TEXTOR and theoretically using a slab coupling mode. A brief comparison with a cylindrical model shows that in the TEXTOR situation no essential geometrical effect is left out by the slab code. The resonant behaviour associated with eigenmodes is studied for several signals: the resistance and inductance of the antennae the r.f. magnetic and electric field components picked up by probes at the plasma edge, and the power coupled to a fast-wave antenna used as a receiver. It is shown that all the major features of these signals linked to the existence of eigenmodes can be explained using the theoretical models.

OriginalspracheEnglisch
Aufsatznummer001
Seiten (von - bis)1109-1133
Seitenumfang25
FachzeitschriftPlasma Physics and Controlled Fusion
Jahrgang33
Ausgabenummer10
DOIs
PublikationsstatusVeröffentlicht - 1991

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