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EUROfusion contributions to ITER nuclear operation
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en
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25
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Nuclear Fusion, Volume 64, issue 11, pp. 1-25
Abstract
ITER is of key importance in the European fusion roadmap as it aims to prove the scientific and technological feasibility of fusion as a future energy source. The EUROfusion consortium of labs within Europe is contributing to the preparation of ITER scientific exploitation and operation and aspires to exploit ITER outcomes in view of DEMO. The paper provides an overview of the major progress obtained recently, carried out in the frame of the new (initiated in 2021) EUROfusion work-package called ‘Preparation of ITER Operation’ (PrIO). The overview paper is directly supported by the eleven EUROfusion PrIO contributions given at the 29th Fusion Energy Conference (16–21 October 2023) London, UK [www.iaea.org/events/ fec2023]. The paper covers the following topics: (i) development and validation of tools in support to ITER operation (plasma breakdown/burn-through with evolving plasma volume, new infra-red synthetic diagnostic for off-line analysis and wall monitoring using Artificial Intelligence techniques, synthetic diagnostics development, development and exploitation of multi-machine databases); (ii) R&D for the radio-frequency ITER neutral beam sources leading to long duration of negative deuterium/hydrogen ions current extraction at ELISE and participation in the neutral beam test facility with progress on the ITER source SPIDER, and, the commissioning of the 1 MV high voltage accelerator (MITICA) with lessons learned for ITER; (iii) validation of neutronic tools for ITER nuclear operation following the second JET deuterium–tritium experimental campaigns carried out in 2021 and in 2023 (neutron streaming and shutdown dose rate calculation, water activation and activated corrosion products with advanced fluid dynamic simulation; irradiation of several materials under 14.1 MeV neutron flux etc).
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Publisher Copyright: © 2024 The Author(s).
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Litaudon, X, Fantz, U, Villari, R, Toigo, V, Aumeunier, M H, Autran, J L, Batistoni, P, Belonohy, E, Bradnam, S, Cecchetto, M, Colangeli, A, Dacquait, F, Dal Bello, S, Dentan, M, De Pietri, M, Eriksson, J, Fabbri, M, Falchetto, G, Figini, L, Figueiredo, J, Flammini, D, Fonnesu, N, Frassinetti, L, Galdón-Quiroga, J, Garcia-Alia, R, Garcia-Munoz, M, Ghani, Z, Gonzalez-Martin, J, Grelier, E, Di Grazia, L, Grove, B, Grove, C L, Gusarov, A, Heinemann, B, Hjalmarsson, A, Hyvärinen, O, Ioannou-Sougleridis, V, Jones, L, Kim, H T, Kłosowski, M, Kocan, M, Kos, B, Kos, L, Kotnik, D, Laszynska, E, Leichtle, D, Lengar, I, Leon-Gutierrez, E, Sanchis-Sanchez, L, Snicker, A, EUROfusion Tokamak Exploitation Team, JET Contributors & NBTF Team 2024, 'EUROfusion contributions to ITER nuclear operation', Nuclear Fusion, vol. 64, no. 11, 112006, pp. 1-25. https://doi.org/10.1088/1741-4326/ad346e