Toroidal Rotation and ICRF Heating in NBI-driven Discharges in JET

The addition of rf heating to an NBI-driven target discharge is observed to reduce the toroidal rotation frequency. Experiments on this effect were performed on JET using (H)-D and (3He)-D minority ICRH to vary the bulk electron to ion heating ratio. However, to lowest order, there is no clear diffe...

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Veröffentlicht in:	AIP conference proceedings 2005-09, Vol.787 (1), p.110-113
Hauptverfasser:	deGrassie, J S, Eriksson, L G, Noterdaeme, J M
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY BEAM INJECTION HEATING DEUTERIUM ELECTRONS HELIUM 3 ICR HEATING ION CYCLOTRON-RESONANCE IONS JET TOKAMAK NEUTRAL ATOM BEAM INJECTION PLASMA PLASMA BEAM INJECTION PLASMA CONFINEMENT RF SYSTEMS ROTATION
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description	The addition of rf heating to an NBI-driven target discharge is observed to reduce the toroidal rotation frequency. Experiments on this effect were performed on JET using (H)-D and (3He)-D minority ICRH to vary the bulk electron to ion heating ratio. However, to lowest order, there is no clear difference in the two heating scenarios. We apply a recent model of Nishijima et al. [4] based upon the degradation of confinement with auxiliary power, and find that these JET data are in reasonable agreement with it.
doi_str_mv	10.1063/1.2098205
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subjects	70 PLASMA PHYSICS AND FUSION TECHNOLOGY BEAM INJECTION HEATING DEUTERIUM ELECTRONS HELIUM 3 ICR HEATING ION CYCLOTRON-RESONANCE IONS JET TOKAMAK NEUTRAL ATOM BEAM INJECTION PLASMA PLASMA BEAM INJECTION PLASMA CONFINEMENT RF SYSTEMS ROTATION
title	Toroidal Rotation and ICRF Heating in NBI-driven Discharges in JET
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