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Observation of ion-cyclotron-frequency mode conversion plasma rotation on HT-7

W Y Zhang, Y D Li, X J Zhang, T Lan, X Gao, Z X Liu, P J Sun, X D Zhang, J Li, the HT-7 Teams2012年Plasma Physics and Controlled FusionIF 2.2出版社

In this paper, we present a study on D–H (7Li) plasmas with moderate hydrogen concentration (∼15%) on the HT-7 tokamak. Enhanced density fluctuation induced by ion cyclotron range of frequencies (ICRF) at the centre of the plasma is observed by a continuous wave CO2 (λ = 10.6 µm) collective scattering system. At the same time, the Doppler shift VD due to plasma rotation in the mode-converted ICRF D–H (7Li) plasmas is observed experimentally for the first time on the HT-7 tokamak, and the Doppler shift VD is approximately linear versus the change in plasma stored energy ΔW.

日本語訳

本論文では、HT-7トカマクにおける水素濃度が中程度(約15%)のD–H(7Li)プラズマについての研究を報告する。連続波CO2(λ = 10.6 µm)コレクティブ散乱システムにより、イオンサイクロトロン周波数帯(ICRF)加熱によって誘起されたプラズマ中心部の密度揺動の増大が観測された。同時に、モード変換されたICRF D–H(7Li)プラズマにおいて、プラズマ回転によるドップラーシフトVDがHT-7トカマクで初めて実験的に観測され、ドップラーシフトVDはプラズマ蓄積エネルギーの変化ΔWに対してほぼ線形であることが示された。

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Plasma rotationHT-7Mode conversion
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