Non-linear magnetohydrodynamic simulations of plasma instabilities from pellet injection in Large Helical Device plasma

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Title:	Non-linear magnetohydrodynamic simulations of plasma instabilities from pellet injection in Large Helical Device plasma
Author:	Futatani, Shimpei; Suzuki, Yasuhiro
Other authors:	Universitat Politècnica de Catalunya. Departament de Física
Abstract:	The effect of pellets on the global magnetohydrodynamic (MHD) dynamics of the Large Helical Device (LHD), which is a large superconducting heliotron in Japan, has been analyzed with the MIPS code. A pellet ablation model based on the neutral gas shielding model has been implemented. Excitation of MHD modes by the three-dimensionally localized pressure perturbation caused by the pellet injection has been observed. The dependence of the MHD-instabilities on the pellet size has been analyzed.
Subject(s):	-Àrees temàtiques de la UPC::Física -Magnetohydrodynamics -Plasma (Ionized gases) -MHD -Simulation -Stellarator -Pellet -Plasma (Gasos ionitzats) -Magnetohidrodinàmica
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Submitted version Article
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