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Rotation and impurity transport in a tokamak plasma with directed neutral-beam injection

W.M. Stacey Jr., A.W. Bailey, D.J. Sigmar, K.C. Shaing1985年被引用 69Nuclear FusionIF 3出版社

The authors have extended their previous collisional-regime theory for rotation and impurity transport in a tokamak plasma with strong, directed NBI and strong rotation (vϕ ≈ vth) to the plateau regime. The paper gives a summary of a kinetic theory derivation of the parallel viscous force in the strong rotation ordering and a self-consistent formalism for calculating ion and impurity rotation velocities and radial transport fluxes, as well as the radial electric field and the poloidal variation of the impurity density upon which the former strongly depend. Calculations for model problems representative of ISX-B and PLT are presented. The predicted impurity transport exhibits features that are in agreement with experimental observations.

日本語訳

著者らは、強い指向性NBIと強い回転(vϕ ≈ vth)を有するトカマクプラズマにおける回転および不純物輸送に関する従来の衝突領域理論を、プラトー領域に拡張した。本論文は、強い回転のオーダリングにおける平行粘性力の運動論的導出の要約と、イオンおよび不純物の回転速度と径方向輸送フラックス、ならびに前者が強く依存する径方向電場と不純物密度のポロイダル変動を計算するための自己無矛盾な形式体系を示す。ISX-BおよびPLTを代表するモデル問題に対する計算結果を示す。予測された不純物輸送は、実験観測と一致する特徴を示す。

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ImpurityNeutral beam injectionImpurity transport
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