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Isotope effects on intrinsic rotation in hydrogen, deuterium and tritium plasmas

M.F.F. Nave, E. Delabie, J. Ferreira, J. Garcia, D. King, M. Lennholm, B. Lomanowski, F. Parra, P.R. Fernandez, J. Bernardo2023年被引用 2Nuclear FusionIF 3出版社

The isotope effect on intrinsic rotation was studied at the Joint European Torus (JET) tokamak. With the unique capability of JET to operate with tritium (T), for the first time, experiments in hydrogen (H), deuterium (D) and T in Ohmic plasmas were compared. Two rotation reversals per isotope type are observed in plasma density scans spanning the linear and the saturated Ohmic confinement regimes. A clear isotope mass dependence is observed at the higher densities. The magnitude of the core rotation was found to depend on isotope mass, with stronger co-current rotation observed in H. Change on intrinsic rotation characteristics coexist with a stronger thermal energy confinement in T.

日本語訳

同位体効果が自発回転に及ぼす影響が、欧州トーカマク共同実験装置(JET)トカマクにおいて研究された。三重水素(T)で運転できるというJETの独自の能力により、初めて、オーミックプラズマにおける水素(H)、重水素(D)、Tの実験が比較された。線形および飽和オーミック閉じ込め領域にわたるプラズマ密度スキャンにおいて、同位体種ごとに2つの回転反転が観測された。高密度側では、明確な同位体質量依存性が観測される。コア回転の大きさは同位体質量に依存することが見いだされ、Hにおいてより強いコ・カレント方向回転が観測された。自発回転特性の変化は、Tにおけるより強い熱エネルギー閉じ込めと共存している。

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jet中精度(概要文一致)

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TritiumDeuteriumIntrinsic rotation
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