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  • Quasilinear nature of L-mode edge turbulent transport in fluid nonlinear simulations
    De Dominici, G. ...
    In tokamak plasma, the edge region is characterized by larger gradients, higher resisitivity and a shorter distance to the critical beta compared to core plasma. By edge region, we mean the region ... where the pedestal forms when transiting from the L to H-mode: r/a = 0.85-1. This paper shows, using a three-dimensional electromagnetic fluid turbulent transport model, that the quasilinear hypothesis is valid in the edge region. The diamagnetic coupling is stabilizing while beta is destabilizing. The effect of beta on the characteristic times of turbulence is studied, as is its effect on the Reynolds stress and the Maxwell stress in these fluid simulations.
    Vir: Nuclear fusion. - ISSN 0029-5515 (Vol. 59, Iss. 12, 2019, 11 str.)
    Vrsta gradiva - članek, sestavni del
    Leto - 2019
    Jezik - angleški
    COBISS.SI-ID - 14609667
    DOI

vir: Nuclear fusion. - ISSN 0029-5515 (Vol. 59, Iss. 12, 2019, 11 str.)
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