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Magnetohydrodynamic stability of high-beta tokamak equilibria with force-free currents

H.C. Lui1978年被引用 5Nuclear FusionIF 3出版社

The growth rates and eigenfunctions of the leading internal modes are calculated for some high-beta tokamak equilibria with force-free currents for beta values ranging from 5 to 20%. The force-free currents flowing between the main plasma and the conducting wall stabilize the internal hydromagnetic instabilities including the ballooning modes. Modes with low toroidal mode numbers (n ⩽ 3) are stabilized at a plasma beta of about 10% when the current density in the force-free region is comparable to that in the main column.

日本語訳

高ベータトカマク平衡における主要な内部モードの成長率と固有関数を、ベータ値が5%から20%の範囲のフォースフリー電流に対して計算した。主プラズマと導体壁の間を流れるフォースフリー電流は、バルーニングモードを含む内部電磁流体力学的不安定性を安定化する。トロイダルモード数が低いモード(n ≤ 3)は、フォースフリー領域の電流密度が主柱のそれと同程度の場合、プラズマベータが約10%で安定化される。

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MagnetohydrodynamicsTokamak equilibria
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