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Drift wave transport simulations of dimensionally similar JET discharges

H. Nordman, P. Strand, J. Weiland, J.P. Christiansen1997年被引用 12Nuclear FusionIF 3出版社

Predictive transport simulations of dimensionally similar low confinement mode discharges have been performed using experimental data from Joint European Torus (JET) databases. The simulations, based on a gyro-Bohm transport model for temperature gradient driven drift waves, are found to reproduce the experimental profiles of density and temperatures well. In particular, apparent Bohm- and Goldston-like scalings of the local diffusivities are obtained as the gyroradius is varied. The results are due to small systematic deviations in the similarity conditions combined with marginal stability effects

日本語訳

次元類似の低閉じ込めモード放電の予測輸送シミュレーションを、JET(共同欧州トーラス)データベースの実験データを用いて実施した。温度勾配駆動ドリフト波に基づくジャイロボーム輸送モデルを用いたシミュレーションは、密度および温度の実験プロファイルを良好に再現することが示された。特に、ジャイロ半径を変化させた場合、局所拡散係数には見かけ上ボーム的およびゴールドストン的なスケーリングが得られた。これらの結果は、類似条件からの小さな系統的偏差と、限界安定性の効果に起因するものである。

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jet高精度(タイトル一致)

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