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First estimate of bootstrap current in the ETE small aspect ratio tokamak

M C R Andrade, G O Ludwig1997年Plasma Physics and Controlled FusionIF 2.2出版社

A first estimate of the bootstrap current in the ETE (Experimento Tokamak Esférico) small aspect ratio tokamak using the Hirshman single-ion collisionless model shows that we can expect a ratio of 15 to 30% of total bootstrap current in relation to the total equilibrium current depending on the optimization level of the plasma profile parameters. Bootstrap current levels basically depend on the values which must be kept under a critical level due to stability conditions and current alignment requirements. Preliminary studies of Shaing's predictions regarding bootstrap current calculations in collisional plasmas are briefly described and different methods for the trapped particle fraction calculation are also illustrated.

日本語訳

ETE(Experimento Tokamak Esférico)小型アスペクト比トカマクにおけるブートストラップ電流の、Hirshman単一イオン無衝突モデルを用いた最初の推定では、プラズマプロファイルパラメータの最適化レベルに応じて、全平衡電流に対するブートストラップ電流の比率は15〜30%になると予想できることが示されている。ブートストラップ電流レベルは基本的に、安定性条件と電流整合要件により臨界レベル以下に維持されなければならない値に依存する。衝突プラズマにおけるブートストラップ電流計算に関するShaingの予測の予備的研究について簡潔に述べ、また閉じ込め粒子割合の計算のための異なる手法についても説明する。

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Bootstrap current
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