ディスク形MHD発電機内の放射状超音速流れの挙動 : 第2報, 発電時の流れの計測

概要

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Structures of supersonic radial flow with the Lorentz force in a disk MHD channel have been investigated by experiments of the blow down facility. Total pressure profiles across the channel hight at the exit of the MHD channel, static pressure distributions and electric potential distribution along the radial direction on the wall were measured. It has been observed that the Lorentz force makes the flow uniform markedly while the working gas without the Lorentz force flows asymmetrically in the direction perpendicular to the flow direction in the downstream of the channel. It has been confirmed that the flow uniformity depends on experimental conditions, where increasing the load resistance and the seed fraction both make the flow more uniform. There is a strong correlation between the asymmetry of the Mach number distribution and the electric field near the exit of an MHD channel, namely the smaller the electric field is, the larger the degree of the asymmetry becomes.
一般社団法人日本機械学会の論文
1998-03-25