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Response of lower hybrid wave driven current profile on wave launching position

S. Ide, O. Naito, T. Kondoh, Y. Ikeda, K. Ushigusa1996年被引用 4Nuclear FusionIF 3出版社

The impact of launching poloidal position on the lower hybrid wave (LHW) driven current profile was investigated on the JT-60U tokamak. By comparing LHW launching from different poloidal positions, at poloidal angles θ of 0 and 45° from the equatorial plane, it was found that when LHWs were injected from θ ≃ 45° the spatial profile of high energy electrons produced by the LHWs appears as if LHWs of slower phase velocity were injected from θ ≃ 0°. The experimental results are compared with ray tracing calculations

日本語訳

ポロイダル位置の違いが低混成波(LHW)駆動電流分布に及ぼす影響を、JT-60Uトカマクにおいて調べた。赤道面からポロイダル角θが0°と45°の異なるポロイダル位置からLHWを入射して比較したところ、θ ≃ 45°からLHWを入射した場合、LHWによって生成される高エネルギー電子の空間分布は、あたかもより遅い位相速度のLHWがθ ≃ 0°から入射されたかのように見えることが見出された。実験結果は光線追跡計算と比較された。

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