垂直上昇気液二相流の流動形態の遷移に及ぼす系内圧力の影響

概要

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The purpose of this study is to investigate the pressure effects on the flow regime transitions in vertical gas-liquid two-phase flow. The following five flow conditions were tested to examine the effects of system pressure; the flow conditions in the transitional area in which the plug flow changes to huge wave flow; the flow conditions of the central gas core in the tube; the flow conditions in the area where the liquid slug disappears; the flow conditions in the transitional area in which the bubble flow changes to plug flow; and the flow conditions in the transitional area in which the time averaged wall shear stress changes from the negative to the positive value. New correlations to predict the flow conditions for the five above-mentioned flow conditions are presented. System pressures tested, range from 0.3 to 20 MPa.
一般社団法人日本機械学会の論文
1993-12-25