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On energy transport equations for turbulent magnetized plasma

A I Smolyakov, A Hirose1993年Plasma Physics and Controlled FusionIF 2.2出版社

The Braginskii magnetohydrodynamic (MHD) equations are used to derive anomalous transport equations in the presence of electromagnetic fluctuations. The structure of convective energy fluxes and source terms in the energy balance equation is investigated in some detail. For low-frequency electrostatic turbulence, the energy flux has a unique numerical factor 3/2 in its convective part. However, for magnetic turbulence, the convective energy flux, which is proportional to the particle flux induced by magnetic fluctuations, has a numerical factor 5/2. The physical meaning of the source terms in the energy balance equation is clarified.

日本語訳

ブラギンスキー磁気流体力学(MHD)方程式を用いて、電磁揺動の存在下での異常輸送方程式を導出する。エネルギー平衡方程式における対流エネルギー流束とソース項の構造を、ある程度詳細に調べる。低周波静電乱流の場合、エネルギー流束はその対流部分において特有の数値因子3/2を持つ。しかし、磁気乱流の場合、磁気揺動によって誘起される粒子フラックスに比例する対流エネルギー流束は、数値因子5/2を持つ。エネルギー平衡方程式におけるソース項の物理的意味が明らかにされる。

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