微尺度化学
微流控
微型反应器
缩放比例
多相流
气泡
微通道
气体变液体
流量(数学)
工艺工程
机械
纳米技术
材料科学
化学
工程类
物理
几何学
有机化学
催化作用
数学教育
数学
生物化学
作者
Lin Sheng,Yu‐Cheng Chang,Junjie Wang,Jian Deng,Guangsheng Luo
标识
DOI:10.1016/j.ces.2023.119563
摘要
Gas-liquid multiphase process occupies a significant part in the chemical industry, and the emerging gas–liquid microfluidic technology provides a highly efficient and controllable tool for gas–liquid systems such as chemical product synthesis, gas separation, and environmental protection. To point out the microscale gas–liquid multiphase process from the fundamental study to its utilization, this review mainly focuses on advances in the hydrodynamics of the gas–liquid microdispersion and microflow for the design of the gas–liquid microfluidic device. The progress of the gas–liquid flow pattern is first introduced, and then the microdispersion in both single-channel and multi-channel are summarized from the bubble size prediction model and operating conditions. Besides, the microflow characteristic of bubble movement velocity and pressure drop in a single-channel and flow distribution in multi-channels for scaling-up are presented, and the design procedure of gas–liquid microreactors is proposed. Finally, a summary and perspective are provided.
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