垂直上昇気液環状二相流における液滴流量に及ぼす圧力の影響 : 第1報, 系内圧力0.3から20MPaに対する測定結果

抄録

The purpose of this study is to investigate the pressure effects on the entrainment flow rates in vertical gas-liquid annular two-phase flow. The cross-sectional entrainment flow rates were measured using a isokinetic probe method. It was found that the behavior of cross-sectional entrainment flow rate profiles are divided into low-and high-pressure regions. Also, the entrainment flow rates amount to 90% of the total liquid flow rate under high-pressure conditions, In this study, system pressure in the closed-loop system was changed substantially from 0.3 to 20MPa at a constant fluid temperature in vertical upward flow.