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Effects of temperature ratio on JET transport in hot ion and hot electron regimes

J Weiland, E Asp, X Garbet, P Mantica, V Parail, P Thomas, W Suttrop, T Tala, the EFDA-JET Contributors2005年Plasma Physics and Controlled FusionIF 2.2出版社

Two series of JET shots, one on hot ion shots and one on hot electron shots, have been analysed in order to improve the understanding of how the temperature ratio Te/Ti influences the performance. Comparisons are also made with ITER simulations which are in the hot electron regime. The temperature ratio has been varied between different shots, in partly interpretative simulations of one shot and locally. The effect of the variation of the temperature ratio depends strongly on how it is done but can also be different in different types of shots. In general, however, an increased electron heating deteriorates confinement rather strongly. This is the situation for increasing the alpha power in ITER. ITER simulations show, however, that the effect is not dramatic.

日本語訳

JETの2系列のショット(高温イオンショットと高温電子ショット)を解析し、温度比Te/Tiがどのように影響を及ぼすかについての理解を深めた。また、高温電子領域にあるITERシミュレーションとの比較も行った。温度比は、異なるショット間、部分的に解釈的な1つのショットのシミュレーション、および局所的に変化させた。温度比の変化の影響は、その方法に強く依存するが、ショットの種類によって異なる場合もある。しかし一般的には、電子加熱の増加は閉じ込めをかなり劣化させる。これはITERにおいてアルファ粒子加熱を増加させる状況に相当する。しかしながら、ITERシミュレーションによれば、その影響は劇的なものではない。

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jet高精度(タイトル一致)iter低精度(概要文一致)

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JETHot electrons
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