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dc.creatorSegado Fernández, Jorgees
dc.creatorMancini, Alessioes
dc.creatorGarcía Domínguez, Javieres
dc.creatorAyllón Guerola, Juan Manueles
dc.creatorCruz Zabala, Diego Josées
dc.creatorVelarde Gallardo, Linaes
dc.creatorGarcía Muñoz, Manueles
dc.creatorViezzer, Eleonoraes
dc.creatorNavarro Pintado, Carloses
dc.creatorAgredano Torres, Manueles
dc.creatorVicente Torres, P.es
dc.date.accessioned2023-08-10T09:56:32Z
dc.date.available2023-08-10T09:56:32Z
dc.date.issued2023
dc.identifier.citationSegado Fernández, J., Mancini, A., García Domínguez, J., Ayllón Guerola, J.M., Cruz Zabala, D.J., Velarde Gallardo, L.,...,Vicente Torres, P. (2023). Analysis and design of the central stack for the SMART tokamak. Fusion Engineering and Design, 193, 113832. https://doi.org/10.1016/j.fusengdes.2023.113832.
dc.identifier.issn0920-3796es
dc.identifier.urihttps://hdl.handle.net/11441/148433
dc.descriptionThis is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/bync-nd/4.0/).es
dc.description.abstractThe SMall Aspect Ratio Tokamak (SMART) is a new spherical machine that is currently under construction at the University of Seville aimed at exploring negative vs positive triangularity prospects in Spherical Tokamaks (ST). The operation of SMART will cover three phases, with toroidal fields Bϕ ≤ 1 T, inductive plasma currents up to Ip = 500 kA and a pulse length up to 500 ms, for a plasma with R = 0.4 m, a = 0.25 m and a wide range of shaping configurations (aspect ratio, 1.4 < R/a < 3, elongation, κ ≤ 3, and average triangularity, -0.6 ≤ δ ≤ 0.6). The magnet system of the tokamak is composed by 12 Toroidal Field Coils (TFC), 8 Poloidal Field Coils (PFC) and a Central Solenoid (CS). With such operating conditions, the design of the central stack, usually a critical part in spherical tokamaks due to space limitations, presents notable challenges. The current SMART central stack has been designed to operate up to phase 2 and it comprises the inner legs of the TFC, surrounded by the CS, two supporting rings, a central pole and a pedestal. To achieve the plasma parameters of this phase (Bϕ=0.4 T with inductive Ip up to 200 kA), the high currents required, combined with the low aspect-ratio of the machine lead to high forces on the conductors that represent an engineering challenge. The loads expected in the central stack are a centring force up to 1.5 MN and a twisting torque up to 7.4 kNm. This work describes the design of the central stack and its mechanical validation with a multiphysics finite element assessment. Using a combined electromagnetic and mechanical assessment, it is shown that the SMART central stack will meet the physics requirements in phase 2.es
dc.formatapplication/pdfes
dc.format.extent7 p.es
dc.language.isoenges
dc.publisherElsevieres
dc.relation.ispartofFusion Engineering and Design, 193, 113832.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectSMARTes
dc.subjectTokamakes
dc.subjectSphericales
dc.subjectCentral-stackes
dc.subjectCentering-forcees
dc.subjectTwisting-torquees
dc.titleAnalysis and design of the central stack for the SMART tokamakes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Ingeniería Mecánica y de Fabricaciónes
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Atómica, Molecular y Nucleares
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Ingeniería Energéticaes
dc.relation.projectIDIE17–5670es
dc.relation.projectIDUS-15570es
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0920379623004143es
dc.identifier.doi10.1016/j.fusengdes.2023.113832es
dc.contributor.groupUniversidad de Sevilla. FQM402: Ciencias y Tecnologías del Plasma y el Espacioes
dc.contributor.groupUniversidad de Sevilla. TEP111: Ingeniería Mecánicaes
dc.journaltitleFusion Engineering and Designes
dc.publication.volumen193es
dc.publication.initialPage113832es
dc.contributor.funderFondo Europeo de Desarrollo Regional (FEDER)es

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