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3D MHD VDE and disruptions simulations of tokamaks plasmas including some ITER scenarios

R. Paccagnella, H.R. Strauss, J. Breslau2009年被引用 27Nuclear FusionIF 3出版社

Tokamaks vertical displacement events (VDEs) and disruptions simulations in toroidal geometry by means of a single fluid visco-resistive magneto-hydro-dynamic (MHD) model are presented in this paper. The plasma model is completed with the presence of a 2D wall with finite resistivity which allows the study of the relatively slowly growing magnetic perturbation, the resistive wall mode (RWM), which is, in this paper, the main drive of the disruption evolution. Amplitudes and asymmetries of the halo currents pattern at the wall are also calculated and comparisons with tokamak experimental databases and predictions for ITER are given.

日本語訳

本論文では、トカマクにおける垂直変位事象(VDE)およびディスラプションのシミュレーションを、単一流体粘性抵抗磁気流体力学(MHD)モデルを用いてトロイダル形状で実施した結果を提示する。プラズマモデルには、有限抵抗を有する2次元壁の存在を組み込むことにより、比較的ゆっくりと成長する磁気摂動、すなわち抵抗性壁モード(RWM)の研究を可能とした。本論文では、このRWMをディスラプション発展の主要な駆動源として位置づけている。さらに、壁に誘起されるハロー電流パターンの振幅と非対称性を計算し、トカマク実験データベースとの比較およびITERにおける予測との照合を行った。

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ITERMagnetohydrodynamicsPlasma disruption
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