Abstract
Dynamics of SOL-divertor plasmas after an ELM crash, especially in the presence of the asymmetry, is studied with particle simulation. Asymmetry in the heat flux Q due to recycling asymmetry is extinguished by the symmetric ELM. On the other hand, ELM-induced source asymmetry brings the asymmetry in Q. Electron heat propagation is governed by conduction, while majority of the heat is transported by convection with sound-speed time scale and its propagation time is linearly proportional to the parallel connection length.
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