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  • Integrated modelling and multiscale gyrokinetic validation study of ETG turbulence in a JET hybrid H-mode scenario
    Citrin, J. ...
    Previous studies with first-principle-based integrated modelling suggested that electron temperature gradient (ETG) turbulence may lead to an anti-gyroBohm isotope scaling in JET high-performance ... hybrid H-mode scenarios. A dedicated comparison study against higher-fidelity turbulence modelling invalidates this claim. Ion-scale turbulence with magnetic field perturbations included, can match the power balance fluxes within temperature gradient error margins. Multiscale gyrokinetic simulations from two distinct codes produce no significant ETG heat flux, demonstrating that simple rules-of-thumb are insufficient criteria for its onset.
    Source: Nuclear fusion. - ISSN 0029-5515 (Vol. 62, No. 8, 2022, 18 str.)
    Type of material - article, component part
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 131261955
    DOI

source: Nuclear fusion. - ISSN 0029-5515 (Vol. 62, No. 8, 2022, 18 str.)
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