Comparing spontaneous and pellet-triggered ELMs via non-linear extended MHD simulations

11 Feb 2021 A. Cathey M. Hoelzl S. Futatani P. T. Lang K. Lackner G. T. A. Huijsmans S. J. P. Pamela S. Günter the JOREK team the ASDEX Upgrade Team the EUROfusion MST1 Team

Injecting frozen deuterium pellets into an ELMy H-mode plasma is a well established scheme for triggering edge localized modes (ELMs) before they naturally occur. Based on an ASDEX Upgrade H-mode plasma, this article presents a comparison of extended MHD simulations of spontaneous type-I ELMs and pellet-triggered ELMs allowing to study their non-linear dynamics in detail... (read more)

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