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Mechanical and electromagnetic design of the vacuum vessel of the SMART tokamak

Mancini, A. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Ayllon-Guerola, J. (author)
Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain; Department of Mechanical Engineering and Manufacturing, University of Seville, Seville, Spain
Doyle, S.J. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
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Agredano Torres, Manuel (author)
Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Lopez-Aires, D. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain
Toledo-Garrido, J. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain
Viezzer, E. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Garcia-Muñoz, M. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Buxton, P.F. (author)
Tokamak Energy Ltd, 173 Brook Drive Milton Park Abingdon OX14 4SD UK
Chung, K.J. (author)
Department of Nuclear Engineering, Seoul National University, Seoul 151-742, Korea
Garcia-Dominguez, J. (author)
Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Garcia-Lopez, J. (author)
Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Gryaznevich, M.P. (author)
Tokamak Energy Ltd, 173 Brook Drive Milton Park Abingdon OX14 4SD UK
Hidalgo-Salaverri, J. (author)
Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
Hwang, Y.S. (author)
Department of Nuclear Engineering, Seoul National University, Seoul 151-742, Korea
Segado-Fernández, J. (author)
Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain
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Department of Atomic, Molecular and Nuclear Physics, University of Seville, Seville, Spain; Centro Nacional de Aceleradores (U Sevilla, CSIC, J. de Andalucia), Sevilla, Spain Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), Sevilla, Spain; Department of Mechanical Engineering and Manufacturing, University of Seville, Seville, Spain (creator_code:org_t)
Elsevier BV, 2021
2021
English.
In: Fusion engineering and design. - : Elsevier BV. - 0920-3796 .- 1873-7196. ; 171
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The SMall Aspect Ratio Tokamak (SMART) is a new spherical device that is currently being designed at the University of Seville. SMART is a compact machine with a plasma major radius () greater than 0.4 m, plasma minor radius () greater than 0.2 m, an aspect ratio () over than 1.7 and an elongation () of more than 2. It will be equipped with 4 poloidal field coils, 4 divertor field coils, 12 toroidal field coils and a central solenoid. The heating system comprises of a Neutral Beam Injector (NBI) of 600 kW and an Electron Cyclotron Resonance Heating (ECRH) of 6 kW for pre-ionization. SMART has been designed for a plasma current () of 500 kA, a toroidal magnetic field () of 1 T and a pulse length of 500 ms preserving the compactness of the machine. The free boundary equilibrium solver code FIESTA [1] coupled to the linear time independent, rigid plasma model RZIP [2] has been used to calculate the target equilibria taking into account the physics goals, the required plasma parameters, vacuum vessel structures and power supply requirements. We present here the final design of the SMART vacuum vessel together with the Finite Element Model (FEM) analysis carried out to ensure that the tokamak vessel provides high quality vacuum and plasma performance withstanding the electromagnetic  loads caused by the interaction between the eddy currents induced in the vessel itself and the surrounding magnetic fields. A parametric model has been set up for the topological optimization of the vessel where the thickness of the wall has been locally adapted to the expected forces. An overview of the new machine is presented here.

Subject headings

NATURVETENSKAP  -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)

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