1470 マイクロチャンネル内気液二相流の流動様式とボイド率に関する研究(S37-2 混相流動のダイナミックス(2),S37 混相流動のダイナミックス)

概要

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An optical measurement system was developed to investigate gas-liquid two-phase flow characteristics in a circular microchannel of 100μm diameter. By using multiple optical fibers and photodiodes, void fraction and gas slug and liquid slug lengths, and their velocities were measured successfully. The presence of a large compressible gas volume upstream of the mixing chamber had a significant effect on the two-phase flow characteristics in the microchannel, typified by the void fraction data. The two kinds of velocity characteristics which cause to the liquid slug length were made clear as well as the features of the flow patterns and mean void fraction in a microchannel.
一般社団法人日本機械学会の論文
2007-09-07