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L-mode validation studies of gyrokinetic turbulence simulations via multiscale and multifield turbulence measurements on the DIII-D tokamak

T.L. Rhodes, C. Holland, S.P. Smith, A.E. White, K.H. Burrell, J. Candy, J.C. DeBoo, E.J. Doyle, J.C. Hillesheim, J.E. Kinsey2011年被引用 93Nuclear FusionIF 3出版社

A series of carefully designed experiments on DIII-D have taken advantage of a broad set of turbulence and profile diagnostics to rigorously test gyrokinetic turbulence simulations. In this paper the goals, tools and experiments performed in these validation studies are reviewed and specific examples presented. It is found that predictions of transport and fluctuation levels in the mid-core region (0.4 < ρ < 0.75) are in better agreement with experiment than those in the outer region (ρ ⩾ 0.75) where edge coupling effects may become increasingly important and multiscale simulations may also be necessary. Validation studies such as these are crucial in developing confidence in a first-principles based predictive capability for ITER.

日本語訳

DIII-Dにおける一連の入念に設計された実験では、ジャイロ運動論的乱流シミュレーションを厳密に検証するために、広範な乱流およびプロファイル診断を活用してきた。本論文では、これらの検証研究において実施された目標、ツール、および実験を概説し、具体的な例を示す。中部コア領域(0.4 < ρ < 0.75)における輸送および変動レベルの予測は、エッジ結合効果がますます重要になり得る外側領域(ρ ⩾ 0.75)における予測よりも実験と良好な一致を示すことが見出された。また、マルチスケールシミュレーションも必要となる可能性がある。このような検証研究は、ITERに対する第一原理に基づく予測能力への信頼を構築する上で極めて重要である。

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diii-d高精度(タイトル一致)iter中精度(概要文一致)

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DIII-DGyrokineticL-mode
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