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Temperature dependence of the electron thermal conductivity coefficient inferred from neutral-beam injection

S.P. Hirshman, K. Molvig1981年被引用 5Nuclear FusionIF 3出版社

It is shown that the radial variation of the electron-ion temperature ratio induced by neutral-beam injection in PLT could account for the observed spatial dependence of electron thermal conductivity coefficient. Quantitative evaluations using the experimental temperature and electron thermal conductivity (χe) profiles show consistency of the measured data with the temperature scaling of a finite-beta drift wave turbulence model and also demonstrate the failure of a simple electron temperature power law scaling for χe

日本語訳

中性粒子ビーム入射によって誘起される電子-イオン温度比の径方向変化が、PLTにおける電子熱伝導係数の観測された空間依存性を説明し得ることを示す。実験で得られた温度および電子熱伝導率(χe)分布を用いた定量的評価により、測定データが有限ベータドリフト波乱流モデルの温度スケーリングと整合することが示されるとともに、χeに対する単純な電子温度のべき乗則スケーリングが成立しないことも実証される。

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Neutral beam injectionThermal conductivity
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