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

被引：3
|
作者：
Futatani, Shimpei [1 ]
Suzuki, Yasuhiro [2 ,3 ]
机构：
[1] Univ Politecn Cataluna, Dept Phys, Avinguda Diagonal 647, E-08028 Barcelona, Spain
[2] Natl Inst Nat Sci, Natl Inst Fus Sci, 322-6 Oroshi Cho, Toki, Gifu 5095292, Japan
[3] Grad Univ Adv Studies, SOKENDAI, 322-6 Oroshi Cho, Toki, Gifu 5095292, Japan
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2019年 / 61卷 / 09期
基金：
日本学术振兴会;
关键词：
MHD; simulation; stellarator; pellet;
D O I：
10.1088/1361-6587/ab34aa
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
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.
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页数：6
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