Y字分岐管による気液二相流の相分離特性に関する研究 : 第1報 : 空気-水二相流の地上場での実験結果 : 流体工学 , 流体機械

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In order to develop a phase separation technique under microgravity condition, the method of a Y-junction by utilizing the difference of inertia force between gas and liquid phases is proposed. The experiments for phase separation in the impacting T(θ=90°) and Y(θ=60°, 30°) junctions of 10.5 mm ID set in a horizontal plane were carried out under normal gravity condition. Air and water were used as the working fluids in the range of the liquid superficial velocity, j_<L1>, of 0.05 to 0.5 m/s and the gas superficial velocity, j_<G1>, of 0.1 to 7.0 m/s. The phase separation performance is improved by the decreasing of the angle θ between the inlet and the side branch. For the Y-junction (θ=60°), about 82% water could be extracted from the inlet two-phase flow at j_<L1> =0.5 m/s and j_<G1>=7.0 m/s.
2001-02-25