中国石油大学学报（自然科学版）2023，Vol.47Issue(6)：60-71,12.DOI:10.3969/j.issn.1673-5005.2023.06.007
逆流条件下基于能量守恒的Taylor泡运移速度预测模型
Taylor bubble migration velocity prediction model based on energy conservation under countercurrent condition
摘要
Abstract
Based on the analysis of Taylor bubble migration behavior under countercurrent condition and considering the char-acteristic constitutive equation of fluid,the calculation method of pipe flow field and velocity field around Taylor bubble was proposed,and the energy dissipation model of bubble resistance based on the velocity field model was established.On the bases of the energy conservation analysis,a unified Taylor bubble rising velocity prediction model(Model T)suitable for dif-ferent rheological types was put forward to explore the law of Taylor bubble migration under countercurrent conditions.The re-sults show that compared with the public experimental data,the prediction error of model T for the turning point of Taylor bubble migration velocity under countercurrent conditions is less than 7.35%.With the increase of bubble volume,the ener-gy dissipation ratio of nose region and wake region decreases,and the energy dissipation ratio of the liquid film region increa-ses.With the increase of bubble volume,the work proportion of yield stress,inertial force and surface tension decreases,and the proportion of viscous dissipation increases.The reason for restricting the increase of bubble rising speed is that the positive work value of bubble buoyancy is offset by the increased energy dissipation in the liquid film area.关键词
逆流流动/Taylor泡/速度预测模型/速度场/能量转化Key words
countercurrent flow/Taylor bubble/speed prediction model/velocity field/energy conversion分类
数理科学引用本文复制引用
娄文强,王金堂,贺艳祥,张党生,孙小辉,孙宝江,王志远..逆流条件下基于能量守恒的Taylor泡运移速度预测模型[J].中国石油大学学报（自然科学版）,2023,47(6):60-71,12.基金项目
国家自然科学基金重大项目(51991363) （51991363）
广东省海洋经济发展(海洋六大产业)专项(GDNRC[2021]56) （海洋六大产业）
中石油重大科技专项(ZD2019-184-003) （ZD2019-184-003）
山东省博士后创新人才支持计划项目(SDBX2020005) （SDBX2020005）
