Two-phase flow and morphology of the gas–liquid interface for bubbles or droplets in different microchannels

分手 机械 两相流 气泡 物理 流量(数学) 电流(流体) 相(物质) 接口(物质) 微通道 流动聚焦 流体力学 液体气泡 微流控 多相流 纳米技术 体积流量 材料科学 热力学 最大气泡压力法 量子力学
作者
Cheng Chen,Zhou Jing,Chenchen Feng,Xupeng Zou,Mingzheng Qiao,Donghai Xu,Shuzhong Wang
出处
期刊:Physics of Fluids [American Institute of Physics]
卷期号:35 (9) 被引量:10
标识
DOI:10.1063/5.0157473
摘要

Two-phase interface fluid, bubble or droplet, has shown broad application potential in oil and gas field development, contaminated soil remediation, and medical treatment. These applications are particularly concerned about the flow characteristics of the two-phase fluid in different channels. Herein, we summarize and analyze the research progress in the flow of bubbles (or droplets) in different channels, mainly including simple, Y-junction/T-junction, and obstructed microchannels. At present, there is no systematic theory about the structure and mechanical evolution of the two-phase interface fluid, and therefore, the comprehensive study is still insufficient. Especially, current studies on the breakup of the two-phase interface in bifurcated channels mainly focus on a few of specific perspectives and a general conclusion is not achieved. In addition, to systematically verify the mechanism of bubble (or droplet) breakup, extensive studies on the three-dimensional physical model of bubbles (or droplets) are needed. Furthermore, we have also sorted out the involved influencing factors, as well as the prediction models for bubble (or droplet) breakup and retention in different channels, and in the end, we provide suggestions for the potential research and development of the two-phase interface fluid.
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