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Progress of statistical modelling of thermal transport of fusion plasmas

M. Yokoyama, H. Yamaguchi2020年被引用 2Nuclear FusionIF 3出版社

Progress of statistical modelling of thermal transport of fusion plasmas based on (2–4 a) a transport analysis database is described. Statistically induced ion and electron thermal diffusivities are checked with an actual discharge which had not been included in the database. Usefulness of this statistical approach is explained in terms of (1) extracting important parameters through the application of information criterion, and (2) making possible for discussing exponents of regression expression and then implying the thermal transport property. The statistical approach reported in this paper could provide a new insight for thermal transport modelling for fusion plasmas, complementing conventional global scalings on the energy confinement time.

日本語訳

核融合プラズマの熱輸送の統計的モデリングの進展について,(2–4 a) 輸送解析データベースに基づいて記述する。統計的に導出されたイオンおよび電子の熱拡散係数は,データベースに含まれていない実際の放電によって検証される。この統計的アプローチの有用性は,(1) 情報量規準の適用を通じて重要なパラメータを抽出すること,および (2) 回帰式の指数について議論することを可能にし,それによって熱輸送特性を示唆すること,の観点から説明される。本論文で報告される統計的アプローチは,核融合プラズマの熱輸送モデリングに新たな洞察を提供し,エネルギー閉じ込め時間に関する従来のグローバルスケーリングを補完するものである。

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