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AIP Conference Proceedings / Volume 694

Three‐dimensional electromagnetic modelling of the JET ITER‐Like ICRF antenna

AIP Conf. Proc. 694, pp. 122-125; doi:10.1063/1.1638009 (4 pages)

RADIO FREQUENCY POWER IN PLASMAS: 15th Topical Conference on Radio Frequency Power in Plasmas
Date: 19-21 May 2003
Location: Moran, Wyoming (USA)
P. U. Lamalle1, F. Durodié1, A. Whitehurst2, R. H. Goulding3, P. M. Ryan3, and EFDA JET Workprogramme Contributors

1Laboratory for Plasma Physics, Association EURATOM‐Belgian State, TEC, Royal Military Academy, B‐1000 Brussels, Belgium
2UKAEA/EURATOM Fusion Association, Culham Science Centre, Abingdon OX14 3DB, U.K.
3Oak Ridge National Laboratory

During its design phase, the JET ITER‐Like ICRF antenna array has been modeled in great detail with the 3D electromagnetic software CST MICROWAVE STUDIO®. The resulting rf field and current density patterns have guided the optimization of the antenna feeder shapes, leading overall to a strong reduction (∼25%) of the maximum electric field, and to a factor‐of‐three reduction of the inhomogeneity of rf current at the matching capacitors. The computed frequency response of the array is now used in matching studies and development of a control algorithm. Comparison with the experimental frequency response of the High Power antenna Prototype developed by ORNL and PPPL shows fair agreement. © 2003 American Institute of Physics

© 2003 American Institute of Physics

KEYWORDS and PACS

Keywords

plasma radiofrequency heating, cyclotron resonance, ions, antennas in plasma, feedback, modelling

PACS

  • 52.50.Qt

    Plasma heating by radio-frequency fields; ICR, ICP, helicons

  • 52.40.Fd

    Plasma interactions with antennas; plasma-filled waveguides

  • 84.40.Ba

    Antennas: theory, components and accessories

ARTICLE DATA

Permalink
http://link.aip.org/link/doi/10.1063/1.1638009

PUBLICATION DATA

ISSN:

0094-243X (print)  
1551-7616 (online)

ISBN:

0-7354-0158-6

Publisher:

$abstract.society.value is a Member of CrossRef American Institute of Physics


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