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Turbulent MHD transport coefficients

C Ferro Fontán1999年Plasma Physics and Controlled FusionIF 2.2出版社

Previous calculations of turbulent magnetohydrodynamic (MHD) eddy viscosity and anomalous resistivity are reviewed. Emphasis is laid on a new approach to fully developed turbulence proposed by Canuto and Dubovikov, containing both systematic and heuristic elements for the ultraviolet (UV) and infrared (IR) parts of the nonlinear interactions in hydrodynamics. Their method is extended so that the magnetic and velocity fluctuations are treated on an equal footing. The effective magnetic Prandtl number is obtained as a function of the residual energy spectral density.

日本語訳

これまでの磁気流体力学(MHD)における渦粘性および異常抵抗の計算について概説する。CanutoとDubovikovによって提案された、流体力学における非線形相互作用の紫外(UV)および赤外(IR)部分の両方に対する系統的かつ発見的要素を含む、十分に発達した乱流への新しいアプローチに重点を置く。彼らの方法は、磁場変動と速度変動が対等に扱われるように拡張される。有効磁気プラントル数は、残留エネルギースペクトル密度の関数として得られる。

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Magnetohydrodynamics
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