Nuclear scoping analysis of ITER bioshield top lid toward its preliminary design review

Martínez Albertos, Pablo, Sauvan, Patrick, Bergman, J., Loughlin, M., Le Tonqueze, Y., Thompson, M. y Juárez, Rafael . (2023) Nuclear scoping analysis of ITER bioshield top lid toward its preliminary design review. Fusion Engineering and Design, Volume 195, 2023, 113960

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Título Nuclear scoping analysis of ITER bioshield top lid toward its preliminary design review
Autor(es) Martínez Albertos, Pablo
Sauvan, Patrick
Bergman, J.
Loughlin, M.
Le Tonqueze, Y.
Thompson, M.
Juárez, Rafael
Materia(s) Ingeniería Industrial
Abstract During ITER operations, electronics located in the crane hall, which is above the tokamak, will be exposed to neutron and photon fields from both the plasma and the activated water. To protect the electronics, the implementation of dedicated shielding on the crane hall platform and the bioshield top lid is required. The design demands optimisation attending to constructability, weight limits, and radiation shielding requirements. This work evaluates eight shielding configurations by assessment of the neutron flux and dose accumulated over 4700 h of operation at 500 MW for electronics protection. This corresponds to a neutron wall load of 0.3 MW a/m² as specified in the ITER Project Specification. An intermediate-source approach has been followed with SRC-UNED, considering all relevant radiation sources while minimising the computational time required. Results were presented at the top lid Conceptual Design Review aiming to support decision-making. Further optimisation has since been performed to reach a top lid proposal for its Preliminary Design Review. All outcomes show that radiation levels above the north and south crane hall platforms are compatible with the critical electronics requirements.
Editor(es) Elsevier
Fecha 2023-10-01
Formato application/pdf
Identificador bibliuned:DptoIE-ETSI-Articulos-Pmartinez-0001
http://e-spacio.uned.es/fez/view/bibliuned:DptoIE-ETSI-Articulos-Pmartinez-0001
DOI - identifier https://doi.org/10.1016/j.fusengdes.2023.113960
ISSN - identifier 0920-3796
Nombre de la revista Fusion Engineering and Design
Número de Volumen 195
Publicado en la Revista Fusion Engineering and Design, Volume 195, 2023, 113960
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales The registered version of this article, first published in Fusion Engineering and Design, is available online at the publisher's website: Elsevier, https://doi.org/10.1016/j.fusengdes.2023.113960
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Fusion Engineering and Design, está disponible en línea en el sitio web del editor: Elsevier, https://doi.org/10.1016/j.fusengdes.2023.113960

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Creado: Fri, 15 Dec 2023, 21:30:40 CET