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Critical β in a torus with rectangular cross-section

Y. Suzuki1973年被引用 11Nuclear FusionIF 3出版社

A simple diffuse-boundary model is considered for magnetohydrodynamic equilibrium in an axisymmetric torus with rectangular cross-section. The pressure balance equations are reduced from the expressions for eigenvalues of the equilibrium equation. The parameter βp (ratio of plasma pressure to poloidal magnetic pressure) is closely related to the paramagnetism of the plasma and to geometrical factors. The condition of no reversed toroidal current gives the limitation on paramagnetism and βp+. The critical βp becomes largest for square plasma cross-section.

日本語訳

単純な拡散境界モデルが、矩形断面を有する軸対称トーラスにおける磁気流体平衡に対して考察される。圧力平衡方程式は、平衡方程式の固有値の表現から導出される。パラメータβp(プラズマ圧力とポロイダル磁気圧の比)は、プラズマの常磁性と幾何学的因子に密接に関連している。逆転ポロイダル電流が生じない条件は、常磁性とβp+に対する制限を与える。臨界βpは、プラズマ断面が正方形の場合に最大となる。

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