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Lower-hybrid-heating data on the Wega experiment revisited, using ion-stochastic-heating and electron-Landau-damping theories

C. Gormezano, W. Hess, G. Ichtchenko, R. Magne, T.K. Nguyen, G. Tonon, G.W. Pacher, H.D. Pacher, F. Söldner, J.G. Wegrowe1981年被引用 20Nuclear FusionIF 3出版社

Previously obtained data on the Wega tokamak by lower hybrid heating (f = 500 MHz; PHF = 130 kW) are re-visited in the light of recent theories on ion stochastic heating and quasi-linear electron Landau damping. It is possible, with the help of these theories, to correctly estimate the fast-ion mean energy, the HF power density coupled to the ions and that coupled to the electrons. The values of the parallel index of refraction, N||, which are necessary to obtain a good quantitative agreement between experiment and theoretical estimates, are the same for ions and electrons, although higher than expected.

日本語訳

以前にWegaトカマクにおいて低ハイブリッド加熱(f = 500 MHz; PHF = 130 kW)によって得られたデータを、イオンの確率的加熱および準線形電子ランダウ減衰に関する最近の理論に照らして再検討する。これらの理論の助けを借りて、高速イオンの平均エネルギー、イオンに結合されるHFパワー密度、および電子に結合されるHFパワー密度を正確に見積もることが可能である。実験と理論的見積もりの間の良好な定量的一致を得るために必要な平行屈折率N||の値は、イオンと電子の両方で同じであるが、予想よりも高い。

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Landau damping
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