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Measurement of anisotropic pressure using magnetic measurements in LHD

T. Yamaguchi, K.Y. Watanabe, S. Sakakibara, Y. Narushima, K. Narihara, T. Tokuzawa, K. Tanaka, I. Yamada, M. Osakabe, H. Yamada2005年被引用 48Nuclear FusionIF 3出版社

In low density discharges of a Large Helical Device (LHD), anisotropic pressure is expected because the LHD has powerful tangential neutral beam injection systems. We study the behaviour of the ratio of the observed saddle loop flux to the diamagnetic flux, and the results are compared with the predicted beam pressure anisotropy by a Monte Carlo technique and the steady state Fokker–Planck solution. We show the possibility of the degree of pressure anisotropy being estimated by magnetic measurements in the LHD.

日本語訳

大型ヘリカル装置(LHD)においては、強力な接線方向中性粒子ビーム入射システムを有するため、圧力異方性が生じることが予想される。我々は、観測されたサドルループ磁束とダイアマグネティック磁束の比の挙動を調べる。この結果を、モンテカルロ法および定常フォッカー・プランク解によるビーム圧力異方性の予測値と比較する。LHDにおける磁気測定により圧力異方性の程度を評価できる可能性を示す。

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