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  • Resolidification-controlled melt dynamics under fast transient tokamak plasma loads
    Ratynskaia, S. ...
    Studies of macroscopic melt motion induced by fast transient power loads and the ensuing damage to plasma-facing components are critical for ITER. Based on state-of-the-art experiments, heat transfer ... is argued to be strongly entangled with fluid dynamics. The physics model of the MEMOS-U code is introduced. Simulations are reported of recent tokamak experiments concerning deliberate transient melting of beryllium main chamber tiles (JET) and tungsten divertor components (ASDEX Upgrade, JET). MEMOS-U is demonstrated to capture the main physics responsible for melt dynamics and to reproduce the observed surface deformation. The intricate role of resolidification is elucidated.
    Vir: Nuclear fusion. - ISSN 0029-5515 (Vol. 60, No. 10, 2020, 13 str.)
    Vrsta gradiva - članek, sestavni del
    Leto - 2020
    Jezik - angleški
    COBISS.SI-ID - 43963651
    DOI

vir: Nuclear fusion. - ISSN 0029-5515 (Vol. 60, No. 10, 2020, 13 str.)
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