MHD発電機におけるプラズマ揺らぎの影響 : 数値乱れモデルによる検討 (小特集電磁力関連流体工学)

概要

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Effects of the spatiotemporal inhomogeneity of a plasma in thermal equilibrium on the local and output characteristics of a Faraday-type MHD generator were investigated using numerically modeled turbulence data of the temperature and the velocity. The conditions of Saha equilibrium in the range of the temperature level and the frequency were given. The mean conductivity formula was also given as a function of the rms fiuctuation. The average correlations between the electric field fluctuation and that of the conductivity in the mean Ohm's law were evaluated in terms of the mean electrical parameters. Rosa's G-factor was modified to include the spatiotemporal conductivity variance. It was shown that the 1D anisotropic model somewhat underestimates the effective plasma resistance of the turbulent MHD plasma with 2D anisotropy.
一般社団法人日本機械学会の論文
1993-06-25