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The synergy of the combined heating by neutral beam injection (NBI) and ion cyclotron resonance heating (ICRH) is theoretically interpreted using a coupled wave/Fokker Planck equation solver. The synergy occurs through modifications of the target plasma parameters for both NBI and ICRH, and through the direct interaction of the RF with the beam. The interpretation of these results is undertaken for two scenarios: the interactions at the second and at the third ion cyclotron harmonic (2 omega(CD) and 3 omega(CD)). Performances of supershot-like discharges obtained with balanced injection may be substantially improved by beam-RF interaction at both harmonics.

Additional information

Authors: MESSIAEN A M ET AL., Ecole Royale Militaire, Bruxelles (BE);CONRADS H ET AL., Forschungszentrum Jülich GmbH (KFA) (DE);HILLIS D, Oak Ridge National Laboratory, Tennessee (US);OYEVAAR T, FOM Instituut voor Plasmafysica, Rijnhuizen, Nieuwegein (NL);TAMMEN H F, FOM Instituut voor Plasmafysica, Rijnhuizen, Nieuwegein (NL)
Bibliographic Reference: Article: Tenth Topical Conference on Radio Frequency Power in Plasmas, Boston, April 1-3, 1993 : AIP Conference Proceedings (1993) No. 289, pp. 32-35
Record Number: 199411451 / Last updated on: 1994-12-06
Original language: en
Available languages: en
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