Status of the WEST travelling wave array antenna design and results from the high power mock-up

R. Ragona, F. Durodié, A. Messiaen, J. Ongena, M. Van Schoor, S. Agzaf, T. Batal, J. M. Bernard, X. Courtois, J. M. Delaplanche, R. Dumont, F. Durand, F. Faisse, M. Firdaouss, L. Gargiulo, P. Garibaldi, J. Hillairet, T. Hoang, G. Lombard, P. MollardZ. Chen, Y. Song, H. Xu, Q. Yang, C. Yu

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents the current status of the WEST TWA antenna, its mock-up and a possible extrapolation to DEMO. The updated WEST TWA design has a reduced antenna length and features feeding and mechanical support from a single vessel port. A mock-up of the WEST TWA antenna was designed in 2019, manufactured during 2020 and installed in the TITAN test facility at the beginning of 2021. The results of the mock-up at low and high power, its diagnostic system and the prospects are explained. Extensions towards a TWA antenna for WEST and a possible TWA system for the future DEMO tokamak reactor are briefly discussed.

Original languageEnglish
Article number026046
JournalNuclear Fusion
Volume62
Issue number2
DOIs
Publication statusPublished - Feb 2022

Keywords

  • DEMO
  • ICRH
  • WEST
  • combline
  • travelling wave

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