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On the asymmetry of ripple induced losses in ICRF heated Tore Supra discharges

S Assas, L-G Eriksson, F Nguyen, V Basiuk2003年Plasma Physics and Controlled FusionIF 2.2出版社

Toroidal asymmetries in the measured ripple losses during ion cyclotron range of frequencies (ICRF) heating have been observed on the Tore Supra tokamak. Such asymmetries have been detected in plasmas heated by low levels of ICRF power. In contrast, the ripple losses appear to be almost symmetrical (more precisely periodically symmetric) during high power ICRF heating. A theoretical analysis of the losses indicates that asymmetries can arise because a larger fraction of the ICRF power is absorbed in the ripple well region during low power ICRF heating.

日本語訳

Tore Supraトカマクにおいて、イオンサイクロトロン周波数帯(ICRF)加熱中に測定されたリップル損失のトロイダル非対称性が観測されている。このような非対称性は、低レベルのICRFパワーで加熱されたプラズマにおいて検出されている。対照的に、高パワーICRF加熱中は、リップル損失はほぼ対称的(より正確には周期的対称)に見える。損失の理論解析は、低パワーICRF加熱中にICRFパワーのより大きな割合がリップル井戸領域で吸収されるために非対称性が生じ得ることを示している。

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Ion cyclotron heatingTore Supra
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