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Error field correction in DIII-D Ohmic plasmas with either handedness

Jong-Kyu Park, Michael J. Schaffer, Robert J. La Haye, Timothy J. Scoville, Jonathan E. Menard2011年被引用 42Nuclear FusionIF 3出版社

Error field correction results in DIII-D plasmas are presented in various configurations. In both left-handed and right-handed plasma configurations, where the intrinsic error fields become different due to the opposite helical twist (handedness) of the magnetic field, the optimal error correction currents and the toroidal phases of internal(I)-coils are empirically established. Applications of the Ideal Perturbed Equilibrium Code to these results demonstrate that the field component to be minimized is not the resonant component of the external field, but the total field including ideal plasma responses. Consistency between experiment and theory has been greatly improved along with the understanding of ideal plasma responses, but non-ideal plasma responses still need to be understood to achieve the reliable predictability in tokamak error field correction.

日本語訳

DIII-Dプラズマにおける誤差磁場補正の結果を様々な配位で提示する。磁場の逆のヘリカルツイスト(ヘリシティ)により固有誤差磁場が異なる左巻きおよび右巻きのプラズマ配位の両方において、最適な誤差補正電流と内部(I)コイルのトロイダル位相が経験的に確立された。これらの結果へのIdeal Perturbed Equilibrium Codeの適用は、最小化すべき磁場成分が外部磁場の共鳴成分ではなく、理想プラズマ応答を含む全磁場であることを示している。実験と理論の整合性は、理想プラズマ応答の理解とともに大幅に改善されたが、トカマク誤差磁場補正における信頼性の高い予測可能性を達成するには、非理想プラズマ応答を依然として理解する必要がある。

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diii-d高精度(タイトル一致)

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DIII-DOhmic heatingError field
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