On the parasitic absorption in FWCD experiments in JET ITB plasmas

T. Hellsten, M. Laxåback, T. Bergkvist, T. Johnson, F. Meo, F. Nguyen, C.C. Petty, M. Mantsinen, G. Matthews, J.-M. Noterdaeme, Tuomas Tala, D. van Eester, P. Andrew, P. Beaumont, V. Bobkov, M. Brix, J. Brzozowski, L.G. Eriksson, C. Giroud, E. JoffrinV. Kiptily, J. Mailloux, M. L. Mayoral, I. Monakhov, R. Sartori, A. Staebler, E. Rachlew, E. Tennfors, A. Tuccillo, A. Walden, K.D. Zastrow, JET-EFDA contributors

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    Fast wave current drive, FWCD, has been performed in JET plasmas with internal transport barriers, ITBs. The heating during the FWCD is strongly degraded compared to dipole heating. The FWCD has only a small effect on the central current density. The main reasons are the parasitic absorption of RF power, the strongly inductive nature of the plasma and the interplay between the fast wave driven current and bootstrap current.
    Original languageEnglish
    Title of host publication32nd EPS Conference on Plasma Physics 2005 (EPS 2005)
    Subtitle of host publicationHeld with the 8th International Workshop on Fast Ignition of Fusion Targets
    EditorsR.M. Pick, C. Hidalgo, B.Ph. van Milligen, P. Helfenstein
    PublisherEuropean Physical Society
    Pages2258-2261
    Volume3
    ISBN (Print)978-1-62276-332-0
    Publication statusPublished - 2005
    MoE publication typeB3 Non-refereed article in conference proceedings
    Event32nd EPS Plasma Physics Conference, 8th International Workshop on Fast Ignition of Fusion Targets - Tarragona, Spain
    Duration: 27 Jun 20051 Jul 2005

    Publication series

    SeriesEurophysics Conference Abstracts
    Volume29C
    ISSN0378-2271

    Conference

    Conference32nd EPS Plasma Physics Conference, 8th International Workshop on Fast Ignition of Fusion Targets
    Country/TerritorySpain
    CityTarragona
    Period27/06/051/07/05

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