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Design and development of ITER high-frequency magnetic sensor
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SYSNO ASEP 0473239 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Design and development of ITER high-frequency magnetic sensor Author(s) Ma, Y. (FR)
Vayakis, G. (FR)
Begrambekov, L.B. (RU)
Cooper, J.-J. (GB)
Ďuran, Ivan (UFP-V) RID, ORCID
Hirsch, M. (DE)
Laqua, H.P. (DE)
Moreau, P. (FR)
Oosterbeek, J.W. (NL)
Spuig, P. (FR)
Stange, T. (DE)
Walsh, M. (FR)Source Title Fusion Engineering and Design. - : Elsevier - ISSN 0920-3796
Roč. 112, November (2016), s. 594-612Number of pages 19 s. Publication form Print - P Language eng - English Country CH - Switzerland Keywords ITER ; High-frequency ; Magnetic diagnostics ; ECHa Subject RIV JF - Nuclear Energetics OECD category Nuclear related engineering Institutional support UFP-V - RVO:61389021 UT WOS 000387836800084 EID SCOPUS 84973646355 DOI 10.1016/j.fusengdes.2016.05.002 Annotation tHigh-frequency (HF) inductive magnetic sensors are the primary ITER diagnostic set for Toroidal AlfvénEigenmodes (TAE) detection, while they also supplement low-frequency MHD and plasma equilibriummeasurements. These sensors will be installed on the inner surface of ITER vacuum vessel, operatedin a harsh environment with considerable neutron/nuclear radiation and high thermal load. Essentialcomponents of the HF sensor system, including inductive coil, electron cyclotron heating (ECH) shield,electrical cabling and termination load, have been designed to meet ITER measurement requirements.System performance (e.g. frequency response, thermal conduction) has been assessed. A prototypingcampaign was initiated to demonstrate the manufacturability of the designed components. Prototypeshave been produced according to the specifications. A series of lab tests have been performed to examineassembly issues and validate electrical and thermo-mechanical aspects of the design. In-situ microwaveradiation test has been conducted in the MISTRAL test facility at IPP-Greifswald to experimentally exam-ine the microwave shielding efficiency and structural integrity of the ECH shield. Low-power microwaveattenuation measurement and scanning electron microscopic inspection were conducted to probe andexamine the quality of the metal coating on the ECH shield Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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