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Eddy currents in the vacuum vessel of the ETE spherical tokamak

G.O. Ludwig, E. Del Bosco, J.G. Ferreira2005年被引用 8Nuclear FusionIF 3出版社

A Green's function method is developed to evaluate the currents induced during startup in the vacuum vessel of ETE (Experimento Tokamak Esférico). The non-homogeneous integral equation for the axisymmetric eddy currents distribution is determined using a thin shell approximation for the vacuum vessel and local curvilinear coordinates. This problem is reduced to a circuit model by adopting spectral representations both for the centreline of the vacuum vessel and the surface current density. Results of this model are compared with the distribution of eddy currents measured in ETE.

日本語訳

グリーン関数法を用いて、ETE(Esféricoトカマク実験装置)の真空容器内で起動時に誘起される渦電流を評価する手法を開発した。渦電流の軸対称分布に対する非斉次積分方程式は、真空容器の薄殻近似と局所曲線座標を用いて決定される。この問題は、真空容器の中心線と表面電流密度の両方に対してスペクトル表現を採用することにより、回路モデルに帰着される。このモデルの結果は、ETEで測定された渦電流分布と比較される。

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Spherical tokamakVacuum vesselEddy current
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