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Development of long pulse RF heating and current drive for H-mode scenarios with metallic walls in WEST

Authors :
Jean-Francois Artaud
West Team
Jean-Michel Bernard
Annika Ekedahl
Emmanuelle Tsitrone
Yves Peysson
Laurent Colas
Eric Nardon
Walid Helou
Hugo Bufferand
Marc Goniche
Clarisse Bourdelle
Joan Decker
Julien Hillairet
R. J. Dumont
R. Magne
Patrick Mollard
Lena Delpech
Gilles Lombard
Source :
AIP Conference Proceedings.
Publication Year :
2015
Publisher :
EURATOM, 2015.

Abstract

The longstanding expertise of the Tore Supra team in long pulse heating and current drive with radiofrequency (RF) systems will now be exploited in the WEST device (tungsten-W Environment in Steady-state Tokamak) [1]. WEST will allow an integrated long pulse tokamak programme for testing W-divertor components at ITER-relevant heat flux (10-20 MW/m2), while treating crucial aspects for ITER-operation, such as avoidance of W-accumulation in long discharges, monitoring and control of heat fluxes on the metallic plasma facing components (PFCs) and coupling of RF waves in H-mode plasmas. Scenario modelling using the METIS-code shows that ITER-relevant heat fluxes are compatible with the sustainment of long pulse H-mode discharges, at high power (up to 15 MW / 30 s at IP = 0.8 MA) or high fluence (up to 10 MW / 1000 s at IP = 0.6 MA) [2], all based on RF heating and current drive using Ion Cyclotron Resonance Heating (ICRH) and Lower Hybrid Current Drive (LHCD). This paper gives a description of the ICRH and LH...

Details

ISSN :
0094243X
Database :
OpenAIRE
Journal :
AIP Conference Proceedings
Accession number :
edsair.doi...........c4e5fba0d9e4005db4e3aa860fdbfc39
Full Text :
https://doi.org/10.1063/1.4936478