Overview of the SPARC tokamak
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2020-10
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en
Pages
25
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Journal of Plasma Physics, Volume 86, issue 5
Abstract
The SPARC tokamak is a critical next step towards commercial fusion energy. SPARC is designed as a high-field (B-0 = 12.2 T), compact (R-0 = 1.85 m, a = 0.57 m), superconducting, D-T tokamak with the goal of producing fusion gain Q > 2 from a magnetically confined fusion plasma for the first time. Currently under design, SPARC will continue the high-field path of the Alcator series of tokamaks, utilizing new magnets based on rare earth barium copper oxide high-temperature superconductors to achieve high performance in a compact device. The goal of Q > 2 is achievable with conservative physics assumptions (H-98,H- y2 = 0.7) and, with the nominal assumption of H-98,H- y2 = 1, SPARC is projected to attain Q approximate to 11 and P-fusion approximate to 140 MW. SPARC will therefore constitute a unique platform for burning plasma physics research with high density (<n(e)> approximate to 3 x 10(20) m(-3)), high temperature (<Te > approximate to 7 keV) and high power density (P-fusion/V-plasma approximate to 7 MWm(-3)) relevant to fusion power plants. SPARC's place in the path to commercial fusion energy, its parameters and the current status of SPARC design work are presented. This work also describes the basis for global performance projections and summarizes some of the physics analysis that is presented in greater detail in the companion articles of this collection.Description
Keywords
fusion plasma, plasma confinement, plasma devices, PLASMA-FACING COMPONENTS, H-MODE CONFINEMENT, CHAPTER 2, DESIGN, PROGRESS, PHYSICS, TUNGSTEN, DEMO, CONSTRUCTION, DATABASE
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Creely, A J, Greenwald, M J, Ballinger, S B, Brunner, D, Canik, J, Doody, J, Fulop, T, Garnier, D T, Granetz, R, Gray, T K, Holland, C, Howard, N T, Hughes, J W, Irby, J H, Izzo, V A, Kramer, G J, Kuang, A Q, LaBombard, B, Lin, Y, Lipschultz, B, Logan, N C, Lore, J D, Marmar, E S, Montes, K, Mumgaard, R T, Paz-Soldan, C, Rea, C, Reinke, M L, Rodriguez-Fernandez, P, Sarkimaki, K, Sciortino, F, Scott, S D, Snicker, A, Snyder, P B, Sorbom, B N, Sweeney, R, Tinguely, R A, Tolman, E A, Umansky, M, Vallhagen, O, Varje, J, Whyte, D G, Wright, J C, Wukitch, S J, Zhu, J & SPARC Team 2020, ' Overview of the SPARC tokamak ', Journal of Plasma Physics, vol. 86, no. 5, 865860502 . https://doi.org/10.1017/S0022377820001257