A gyrokinetic one-dimensional scrape-off layer model of an edge-localized mode heat pulse

Plasma Physics (physics.plasm-ph) 0103 physical sciences FOS: Physical sciences 01 natural sciences Physics - Plasma Physics 3. Good health
DOI: 10.1063/1.4907160 Publication Date: 2015-02-03T18:00:37Z
ABSTRACT
An electrostatic gyrokinetic-based model is applied to simulate parallel plasma transport in the scrape-off layer a divertor plate. The authors focus on test problem that has been studied previously, using parameters chosen heat pulse driven by an edge-localized mode JET. Previous work used direct particle-in-cell equations with full dynamics, or Vlasov fluid only dynamics. With use of gyrokinetic quasineutrality equation and logical sheath boundary conditions, spatial temporal resolution requirements are no longer set electron Debye length frequency, respectively. This also helps illustrate some physics contained Hamiltonian form numerical challenges developing edge code.
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