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Simulation study of scalings in scrape-off layer plasma by two-dimensional transport code

S I Itoh, N Ueda, K Itoh1990年Plasma Physics and Controlled FusionIF 2.2出版社

Scrape-off layer (SOL) plasma and divertor plasma in Tokamaks were numerically analyzed using a two-dimensional time-dependent transport code (UEDA code). Plasma transport in the SOL and the divertor region was studied for given particle and heat sources from the main plasma. A scaling study of the density, the temperature and their fall-off lengths was carried out for the JFT-2M Tokamak. The results show the inter-relations between the divertor plasma parameters and core plasma confinement. The operational conditions of the core necessary to guarantee the divertor performance are discussed.

日本語訳

スクレイプオフ層(SOL)プラズマおよびダイバータプラズマを、二次元時間依存輸送コード(UEDAコード)を用いて数値解析した。主プラズマからの粒子および熱源を所与として、SOLおよびダイバータ領域におけるプラズマ輸送を解析した。JFT-2Mトカマクを対象に、密度、温度、およびそれらの減衰長に関するスケーリング則を導出した。結果は、ダイバータプラズマパラメータと主プラズマ閉じ込めの間の相互関係を示している。ダイバータ性能を保証するために必要な主プラズマの運転条件について考察した。

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Scrape-off layer
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