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Analysis of JET LCHD/ICRH synergy experiments in terms of relativistic current drive theory

Abstract

The present analysis shows that the observed efficiency of current drive with synergy between LHCD and ICRH is in good agreement with the relativistic theory of Karney and Fisch for Landau damped waves. The predicted power absorption from the fast wave by the electron tail is within 30% of the measured value. In the presence of significant fast electron diffusion within a slowing down time it would be possible to produce central current drive using multiple ICRF resonances even when the LHCD deposition is at half radius, as in an ITER type device. (authors). 4 refs., 6 figs.
Authors:
Start, D F.H.; Baranov, Y; Brusati, M; Ekedahl, A; Froissard, P; Gormezano, C; Jacquinot, J; Paquin, L; Rimini, F G; [1]  Cox, M; Gardner, C; O`Brien, M R; [2]  Di Vita, A [3] 
  1. Commission of the European Communities, Abingdon (United Kingdom). JET Joint Undertaking
  2. UKAEA Culham Lab., Abingdon (United Kingdom)
  3. Ansaldo SpA, Genoa (Italy)
Publication Date:
Jul 01, 1994
Product Type:
Conference
Report Number:
JET-P-94-29; CONF-9406270-
Reference Number:
SCA: 700350; PA: AIX-28:032745; EDB-97:058964; SN: 97001766299
Resource Relation:
Conference: 21. EPS conference on controlled fusion and plasma physics, Montpellier (France), 27 Jun - 1 Jul 1994; Other Information: PBD: Jul 1994; Related Information: Is Part Of Controlled fusion and plasma physics; PB: 240 p.
Subject:
70 PLASMA PHYSICS AND FUSION; CURRENT-DRIVE HEATING; LANDAU DAMPING; SYNERGISM; ELECTRIC CURRENTS; ICR HEATING; JET TOKAMAK; LOWER HYBRID CURRENT DRIVE; PLASMA WAVES; RELATIVISTIC PLASMA
OSTI ID:
456208
Research Organizations:
Commission of the European Communities, Abingdon (United Kingdom). JET Joint Undertaking
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE97621358; TRN: FR9701786032745
Availability:
INIS; OSTI as DE97621358
Submitting Site:
FRN
Size:
pp. 211-216
Announcement Date:
Apr 21, 1997

Citation Formats

Start, D F.H., Baranov, Y, Brusati, M, Ekedahl, A, Froissard, P, Gormezano, C, Jacquinot, J, Paquin, L, Rimini, F G, Cox, M, Gardner, C, O`Brien, M R, and Di Vita, A. Analysis of JET LCHD/ICRH synergy experiments in terms of relativistic current drive theory. France: N. p., 1994. Web.
Start, D F.H., Baranov, Y, Brusati, M, Ekedahl, A, Froissard, P, Gormezano, C, Jacquinot, J, Paquin, L, Rimini, F G, Cox, M, Gardner, C, O`Brien, M R, & Di Vita, A. Analysis of JET LCHD/ICRH synergy experiments in terms of relativistic current drive theory. France.
Start, D F.H., Baranov, Y, Brusati, M, Ekedahl, A, Froissard, P, Gormezano, C, Jacquinot, J, Paquin, L, Rimini, F G, Cox, M, Gardner, C, O`Brien, M R, and Di Vita, A. 1994. "Analysis of JET LCHD/ICRH synergy experiments in terms of relativistic current drive theory." France.
@misc{etde_456208,
title = {Analysis of JET LCHD/ICRH synergy experiments in terms of relativistic current drive theory}
author = {Start, D F.H., Baranov, Y, Brusati, M, Ekedahl, A, Froissard, P, Gormezano, C, Jacquinot, J, Paquin, L, Rimini, F G, Cox, M, Gardner, C, O`Brien, M R, and Di Vita, A}
abstractNote = {The present analysis shows that the observed efficiency of current drive with synergy between LHCD and ICRH is in good agreement with the relativistic theory of Karney and Fisch for Landau damped waves. The predicted power absorption from the fast wave by the electron tail is within 30% of the measured value. In the presence of significant fast electron diffusion within a slowing down time it would be possible to produce central current drive using multiple ICRF resonances even when the LHCD deposition is at half radius, as in an ITER type device. (authors). 4 refs., 6 figs.}
place = {France}
year = {1994}
month = {Jul}
}