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

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.
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https://hal-cea.archives-ouvertes.fr/cea-03533314
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Submitted on : Tuesday, January 18, 2022 - 5:09:06 PM
Last modification on : Thursday, January 20, 2022 - 3:18:31 AM

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R. Ragona, F. Durodié, A. Messiaen, J. Ongena, M. van Schoor, et al.. Status of the WEST travelling wave array antenna design and results from the high power mock-up. Nuclear Fusion, IOP Publishing, 2022, 62 (2), pp.026046. ⟨10.1088/1741-4326/ac4467⟩. ⟨cea-03533314⟩

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