Physics based integrated modelling of the baseline scenario for a Fusion Nuclear Science Facility based on the Advanced Tokamak concept (FNSF-AT) (Chan et al 2010 Fusion Sci. Technol. 57 66) has found steady-state equilibria with good stability and controllability properties at the fusion performance required to accomplish FNSF's nuclear science mission with margin. 2D divertor analysis for this baseline scenario predicts that peak heat flux <10 MW m−2 can be obtained even with scrape-off layer power width ∼1 mm. Using this baseline fusion performance, high fidelity and high-resolution 3D neutronics calculations show acceptable cumulative end-of-life organic insulator dose levels in all the device coils, and TBR >1. Two current drive scenarios, two divertor configurations, and two blanket concepts have been analysed. FNSF-AT would complement ITER in addressing science and technology gaps to a commercially attractive DEMO, and could enable a DEMO construction decision triggered by the achievement of Q = 10 in ITER.


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    Title :

    Progress in the physics basis of a Fusion Nuclear Science Facility based on the Advanced Tokamak concept


    Contributors:
    Garofalo, A.M. (author) / Chan, V.S. (author) / Canik, J.M. (author) / Sawan, M.E. (author) / Choi, M. (author) / Humphreys, D.A. (author) / Lao, L.L. (author) / Prater, R. (author) / Stangeby, P.C. (author) / St. John, H.E. (author)

    Published in:

    Nuclear Fusion ; 54 , 7 ; 073015/1-073015/13


    Publication date :

    2014


    Size :

    13 Seiten, 39 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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