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Plasma shield dynamics and target erosion in disruption simulation experiments

H Würz, S Pestchanyi, F Kappler2000年Fusion Engineering and DesignIF 1.7出版社

AbstractDynamics of carbon plasma shields and graphite target erosion experimentally studied at the recently upgraded plasma gun facility MK-200 UG at TRINITI Troitsk are compared with numerical results from FOREV-2 which allows a 2-D modeling of hot plasma target interaction. It is shown that turbulent processes are absent in the experimental plasma shields. Anomalous lateral losses of plasma mass are not occurring and plasma shield dynamics can be described by the multidimensional radiation magnetohydrodynamics (R-MHD) equations together with a consistent solution of the multidimensional magnetic field equations with classical magnetic field diffusion coefficient.

日本語訳

トリニチTRINITIの最近改良されたプラズマガン施設MK-200 UGにおいて実験的に研究された炭素プラズマシールドのダイナミクスと黒鉛ターゲットの侵食を、FOREV-2による数値結果と比較した。FOREV-2は、高温プラズマとターゲットの相互作用の2次元モデリングを可能にする。実験的なプラズマシールドには乱流過程が存在しないことが示された。プラズマ質量の異常な横方向損失は発生しておらず、プラズマシールドのダイナミクスは、古典的な磁場拡散係数を伴う磁場方程式の一貫した解とともに、多次元放射磁気流体力学(R-MHD)方程式によって記述することができる。

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