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D1SUNED system for the determination of decay photon related quantities

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dc.contributor.authorSauvan, Patrick
dc.contributor.authorJuárez Mañas, Rafael
dc.contributor.authorPedroche Sánchez, Gabriel
dc.contributor.authorAlguacil Orejudo, Javier
dc.contributor.authorCatalán Pérez, Juan Pablo
dc.contributor.authorOgando Serrano, Francisco M.
dc.contributor.authorSanz Pérez, Javier
dc.date.accessioned2025-12-23T16:48:36Z
dc.date.available2025-12-23T16:48:36Z
dc.date.issued2019-11-18
dc.descriptionThe 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.2019.111399
dc.descriptionLa 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.2019.111399
dc.description.abstractThe neutron fields alter the radioactive inventory of the irradiated materials leading to subsequent decay photon fields. In some cases, these fields are of relevance either intended or undesired, normally involving safety and economics aspects. The determination of these fields can be of paramount complexity if high spatial resolution is required. The determination of these fields requires both radiation transport and activation calculations. The Direct-one-Step methodology, under the assumption that the radioactive inventory activity is lineal with the neutron flux, can address the problem with only one coupled neutron-photon transport calculation. In this paper the D1SUNED code for the calculation of decay photon field and related quantities using D1S methodology is presented. Calculation capabilities including the determination of 3D decay photon sources, filtering options, and other relevant features are presented. In terms of computational load, D1SUNED, which is based on MCNP5 code, presents improvements with respect to MCNP. It can save a 79% of the RAM memory used to store the geometry, a 98% of the loading time, and an acceleration of a factor two by controlling the decay photon emission, boosting the simulations for ITER-like problems. D1SUNED has been validated with the FNG benchmark experiment considering the null hypothesis rejection test and the C/E ratio with very positive results. As a consequence, D1SUNED has become a reference tool for the design of ITER, and other relevant nuclear fusion facilities.en
dc.description.provenanceMade available in DSpace on 2025-12-23T16:48:36Z (GMT). No. of bitstreams: 1 D1SUNED system for the determination of decay photon related quantities.pdf: 930149 bytes, checksum: 3787c76fedc13f9e1cc460b18e64c577 (MD5) Previous issue date: 2019-11-18en
dc.description.versionversión final
dc.identifier.citationPatrick Sauvan, Rafael Juárez, Gabriel Pedroche, Javier Alguacil, Juan Pablo Catalán, Francisco Ogando, Javier Sanz. " D1SUNED system for the determination of decay photon related quantities" Fusion Engineering and Design, num 151, 2020, pp 111399
dc.identifier.doihttps://doi.org/10.1016/j.fusengdes.2019.111399
dc.identifier.eissn1873-7196
dc.identifier.issn0920-3796
dc.identifier.urihttps://hdl.handle.net/20.500.14468/31282
dc.journal.titleFusion Engineering and Design
dc.journal.volume151
dc.language.isoen
dc.publisherElsevier
dc.relation.centerE.T.S. de Ingenieros Industriales
dc.relation.departmentIngeniería Energética
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject2207.15 Energía Nuclear
dc.subject.keywordsDirect-one Step methoden
dc.subject.keywordsMC transport simulationen
dc.subject.keywordsnuclear dataen
dc.subject.keywordsITERen
dc.subject.keywordsOperational Radiation Exposureen
dc.subject.keywordsALARAen
dc.subject.odsODS 7 - Energía asequible y no contaminante
dc.titleD1SUNED system for the determination of decay photon related quantitiesen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
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