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Magnetic equilibrium design for the SMART tokamak
Centro Nacional de Aceleradores, (U. Seville, CSIC, J. de Andalusia), Seville, Spain.ORCID iD: 0000-0002-6669-6851
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2021 (English)In: Fusion engineering and design, ISSN 0920-3796, E-ISSN 1873-7196, Vol. 171, p. 112706-112706, article id 112706Article in journal (Refereed) Published
Abstract [en]

The SMall Aspect Ratio Tokamak (SMART) device is a new compact (plasma major radius Rgeo≥0.40 m, minor radius a≥0.20 m, aspect ratio A≥1.7) spherical tokamak, currently in development at the University of Seville. The SMART device has been designed to achieve a magnetic field at the plasma center of up to Bϕ=1.0 T with plasma currents up to Ip=500 kA and a pulse length up to τft=500 ms. A wide range of plasma shaping configurations are envisaged, including triangularities between −0.50≤δ≤0.50 and elongations of κ≤2.25. Control of plasma shaping is achieved through four axially variable poloidal field coils (PF), and four fixed divertor (Div) coils, nominally allowing operation in lower-single null, upper-single null and double-null configurations. This work examines phase 2 of the SMART device, presenting a baseline reference equilibrium and two highly-shaped triangular equilibria. The relevant PF and Div coil current waveforms are also presented. Equilibria are obtained via an axisymmetric Grad-Shafranov force balance solver (Fiesta), in combination with a circuit equation rigid current displacement model (RZIp) to obtain time-resolved vessel and plasma currents.

Place, publisher, year, edition, pages
Elsevier BV , 2021. Vol. 171, p. 112706-112706, article id 112706
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-348848DOI: 10.1016/j.fusengdes.2021.112706ISI: 000706543300001Scopus ID: 2-s2.0-85108016258OAI: oai:DiVA.org:kth-348848DiVA, id: diva2:1879012
Funder
European Commission, IE17-5670European Commission, US-15570European Commission, 805162EU, European Research Council, IE17-5670EU, European Research Council, US-15570EU, European Research Council, 805162EU, Horizon 2020, IE17-5670EU, Horizon 2020, US-15570EU, Horizon 2020, 805162European Regional Development Fund (ERDF), IE17-5670European Regional Development Fund (ERDF), US-15570European Regional Development Fund (ERDF), 805162
Note

QC 20240701

Available from: 2024-06-27 Created: 2024-06-27 Last updated: 2024-07-01Bibliographically approved

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Agredano Torres, Manuel

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Doyle, S.J.Mancini, A.Agredano Torres, ManuelSegado-Fernandez, J.Ayllon-Guerola, J.Garcia-Muñoz, M.Soria-Hoyo, C.Cunningham, G.Gryaznevich, M.P.
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Fusion engineering and design
Fusion, Plasma and Space Physics

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