欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
采用光纤探针测量方法研究了垂直上升管中空气-水两相流动的局部界面面积浓度（IAC）和空泡份额等分布规律。实验选用的圆管直径为100mm，气相、液相表观速度的范围分别为0～0．1m／s和O～l.0m／s。结果发现，影响径向IAC分布的因素主要为气泡通过频率。基于IshiiKim界面输运模型，对轴向IAC进行了计算；通过分析4种气泡间相互作用对IAC的影响，发现工作压力足影响轴向IAC变化的主要因素，最后给出了引入工作压力影响的轴向IAC计算关联式。
英文摘要：
Local distribution of the interracial area concentration （IAC） and void fraction air-water two-phase flow in a vertical pipe were investigated by using the measurement optical fiber probe. The inner diameter of the circular pipe was 100 mm, and superficial gas and liquid velocities ranged from 0 to 0.1 m/s and from 0 to 1.0 m/s, accordingly. It is found that the bubble passing through frequency dominates the radial distribution profile of IAC. The axial interfacial area concentration was calculated based on the interfacial area transport model of Ishii-Kim. In the mean time, the analysis of four bubble interaction mechanisms determining the change of IAC shows that it is the local pressure inside the pipe that dominates the value of IAC in the axial direction. A new correlation including the effect of pressure was given for calculating the axial IAC.
同期刊论文项目
同项目期刊论文
Conceptual design and analysis of a passive residual heat removal system for a 10?MW molten salt rea
Effect of rolling motion on single-phase laminar flow resistance of forced circulation with differen
Microbubble emission boiling in scbcooled pool boiling and the role of Marangoni convection in its f
Slug behavior and pressure drop of adiabatic slug flow in a narrow rectangular duct under inclined c
Effects of void fraction correlations on pressure gradient separation of?air–water two-phase flow in
期刊信息
位置：