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学科主题物理化学
Influence of hydrodynamics on liquid mixing during Taylor flow in a microchannel
Su, Yuanhai; Chen, Guangwen; Yuan, Quan; Chen GW(陈光文)
关键词Microchannel Taylor Flow Mixing Diffusion Multiphase Flow Hydrodynamics
刊名AICHE JOURNAL
2012-06-01
DOI10.1002/aic.12698
58期:6页:1660-1670
收录类别SCI
文章类型Article
部门归属DNL09
项目归属DNL903
产权排名1,1
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]MASS-TRANSFER ; 2-PHASE FLOW ; RECTANGULAR MICROCHANNELS ; MICROMIXING EFFICIENCY ; MONOLITH REACTORS ; REACTION SYSTEM ; SEGMENTED FLOW ; PART I ; MICRO ; MIXER
英文摘要The miscible liquid-liquid two phases based on Taylor flow in microchannels was investigated by high-speed imaging techniques and Villermaux/Dushman reaction. The mixing based on Taylor flow was much better compared with that without introducing gas in microchannels, even the ideal micromixing performance could be obtained under optimized superficial gas and liquid velocities. In the mixing process based on Taylor flow, the superficial gas and liquid velocities affected the lengths and the velocities of Taylor bubble and liquid slug, and finally the micromixing performance. The formation process of Taylor flow in the inlets, the initial uniform distribution of reactants and the internal circulations in the liquid slug, and the thin liquid films all improved the mixing performance. Furthermore, a modified Peclet number that represented the relative importance of diffusion and convection in the mixing process was proposed for explaining and anticipating micromixing efficiency. (C) 2011 American Institute of Chemical Engineers AIChE J, 58: 16601670, 2012
语种英语
WOS记录号WOS:000303595500002
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/117935
专题中国科学院大连化学物理研究所
通讯作者Chen GW(陈光文)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Su, Yuanhai,Chen, Guangwen,Yuan, Quan,et al. Influence of hydrodynamics on liquid mixing during Taylor flow in a microchannel[J]. AICHE JOURNAL,2012,58(6):1660-1670.
APA Su, Yuanhai,Chen, Guangwen,Yuan, Quan,&陈光文.(2012).Influence of hydrodynamics on liquid mixing during Taylor flow in a microchannel.AICHE JOURNAL,58(6),1660-1670.
MLA Su, Yuanhai,et al."Influence of hydrodynamics on liquid mixing during Taylor flow in a microchannel".AICHE JOURNAL 58.6(2012):1660-1670.
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