Abstract: Gas-oil/water two-phase emulsion is usually encountered in a lot of chemical engineering fields, such as crude oil production, natural gas and oil transportation. For the oil/gas/water multiphase flow in tubes, it is essentially important in engineering application and academic study to understand the hydrodynamic characteristics of oil/water emulsion under the disturbance of gas. However, the existing numerical oil- water two-phase emulsion viscosity models are not suitable for the oil-gas-water three-phase flow in tubes. So, after substantial experiments on oil-gas-water three-phase flow in vertical upward tubes,this paper purposes oil-water emulsion viscosity models of slug flow in vertical pipes. Based on these models, gas, oil-water emulsion flow in a vertical upward pipe show three hydrodynamic characteristics, namely, non-Newtonian fluid characteristics with gas disturbance thickening, non-Newtonian fluid characteristics with gas disturbance weakening. For oil/water-gas three-phase slug flow in vertical upward tubes, errors of the pressure-drop model based on the oil/water emulsion viscosity models, which were set up this paper, are in the allowable range between predictive values and experimental data.

摘要： 气体 -油水乳化液的管内流动是原油开采、油气输运以及许多化工领域中经常遇到的工程现象 ,正确认识油水乳化液在气体扰动下的动力特性对圆管内油、气、水多相流的理论建模具有重要的工程应用和学术价值 .本文通过垂直上升管内油气水三相弹状流的实验研究 ,提出了垂直上升弹状流中油水乳化液黏度计算模型 .基于此模型 ,油水乳化液在气体掺入下的流动特性可表现为气体扰动变稠的非牛顿流体特性和气体扰动变稀的非牛顿流体特性 .