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Microturbulence driven transport of energetic ions in the ITER steady-state scenario

M. Albergante, J.P. Graves, A. Fasoli, X. Lapillonne2010年被引用 15Nuclear FusionIF 3出版社

Modelling of microturbulence-driven transport of energetic ions in an ITER steady-state scenario is presented. Results indicate that a significant fraction of the velocity space distribution of alpha particles and deuterium ions can be transported above neoclassical predictions. Turbulent magnetic fluctuations are found to significantly enhance the fast ion diffusivity. Overall, the conclusion that turbulent fields have a limited influence on the transport of fusion born alpha particles is drawn. At the same time, anomalous fast ion diffusion could have an impact on the neutral beam driven current in ITER.

日本語訳

抽象:ITER定常状態シナリオにおける高エネルギーイオンの微視的乱流駆動輸送のモデリングを提示する。結果は、アルファ粒子と重水素イオンの速度空間分布のかなりの割合が、新古典予測を超えて輸送され得ることを示している。乱流磁気ゆらぎが、高速イオン拡散係数を有意に増強することが見出された。全体として、乱流場は核融合生成アルファ粒子の輸送に限定的な影響しか及ぼさないという結論が導かれる。同時に、異常拡散はITERにおける中性粒子ビーム駆動電流に影響を及ぼし得る。

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iter高精度(タイトル一致)

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ITEREnergetic ionSteady state
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