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Transport simulations of TFTR experiments to test theoretical models for χe and χi

M.H. Redi, G. Bateman1991年被引用 11Nuclear FusionIF 3出版社

Predictions with the 1½-D BALDUR transport code, using recent theory based models for thermal and particle transport, are compared with measured profiles of electron plasma density and electron and ion temperatures for Ohmic, L-mode and supershot discharges on TFTR. The profile consistent drift wave model is found to overestimate the ion temperatures at high heating powers so that a third mode or loss process is needed in addition to drift wave transport (trapped electron mode and ηi mode) and an edge loss model. None of several versions of the local multiple mode models, using the 1989 Carreras-Diamond resistive ballooning mode, gives Te, Ti within 20% for all three TFTR regimes studied.

日本語訳

1½次元BALDUR輸送コードを用いた予測(熱および粒子輸送に対する最近の理論ベースのモデルを使用)を、TFTRにおけるオーミック、Lモード、およびスーパーショット放電の電子プラズマ密度と電子・イオン温度の測定プロファイルと比較した。プロファイル整合ドリフト波モデルは、高い加熱パワーにおいてイオン温度を過大評価することが見出され、そのためドリフト波輸送(捕捉電子モードおよびη_iモード)と周辺損失モデルに加えて、第三のモードまたは損失過程が必要である。1989年のCarreras-Diamond抵抗性バルーニングモードを用いたいくつかの局所多重モードモデルのいずれも、研究された3つのTFTRレジームすべてにおいてTe、Tiを20%以内で与えるものはなかった。

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