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

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dc.contributor.authorBergman, J.
dc.contributor.authorLoughlin, Martin
dc.contributor.authorLe Tonqueze, Y.
dc.contributor.authorThompson, M.
dc.contributor.authorMartínez Albertos, Pablo
dc.contributor.authorSauvan, Patrick
dc.contributor.authorJuárez Mañas, Rafael
dc.date.accessioned2024-05-20T11:41:18Z
dc.date.available2024-05-20T11:41:18Z
dc.date.issued2023-10-01
dc.description.abstractDuring 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.en
dc.description.versionversión publicada
dc.identifier.doihttps://doi.org/10.1016/j.fusengdes.2023.113960
dc.identifier.issn0920-3796
dc.identifier.urihttps://hdl.handle.net/20.500.14468/12420
dc.journal.titleFusion Engineering and Design
dc.journal.volume195
dc.language.isoen
dc.publisherElsevier
dc.relation.centerE.T.S. de Ingenieros Industriales
dc.relation.departmentIngeniería Energética
dc.rightsAtribución 4.0 Internacional
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0
dc.titleNuclear scoping analysis of ITER bioshield top lid toward its preliminary design reviewes
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublication8b6fdb75-dc6b-4972-9d8b-e6029aee958a
relation.isAuthorOfPublication669eefce-64e2-43ba-8b27-5048047c00bc
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relation.isAuthorOfPublication.latestForDiscovery8b6fdb75-dc6b-4972-9d8b-e6029aee958a
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