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Title: Statistical comparison of ICRF and NBI heating performance in JET-ILW L-mode plasmas

After the change over from the C-wall to the ITER-like Be/W wall (ILW) in JET, the radiation losses during ICRF heating have increased and are now substantially larger than those observed with NBI at the same power levels, in spite of the similar global plasma energies reached with the two heating systems. A comparison of the NBI and ICRF performances in the JET-ILW experiments, based on a statistical analysis of ∼3000 L-mode discharges, will be presented.
Authors:
;  [1] ; ; ; ; ; ;  [2] ; ; ;  [3] ;  [4] ;  [5] ;  [6] ;
  1. Association EURATOM-Belgian State, LPP-ERM-KMS, TEC partner, Brussels (Belgium)
  2. Euratom/CCFE Fusion Association, Culham Science Centre, Abingdon, OX14 3DB (United Kingdom)
  3. Max-Planck-Institut für Plasmaphysik, EURATOM-Assoziation, Garching (Germany)
  4. CEA, IRFM, F-13108 Saint-Paul-Lez-Durance (France)
  5. Association Euratom-IPPLM, Hery 23, 01-497 Warsaw (Poland)
  6. FOM Institute DIFFER, Euratom Association, P.O. Box 1207, Nieuwegein (Netherlands)
Publication Date:
OSTI Identifier:
22263861
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1580; Journal Issue: 1; Conference: 20. topical conference on radiofrequency power in plasmas, Sorrento (Italy), 25-28 Jun 2013; Other Information: (c) 2014 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BEAM INJECTION HEATING; COMPARATIVE EVALUATIONS; HEATING SYSTEMS; ICR HEATING; ITER TOKAMAK; L-MODE PLASMA CONFINEMENT; NEUTRAL ATOM BEAM INJECTION; PLASMA