DICP OpenIR
Subject Area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)
KeywordMicrochannel Taylor Flow Mixing Diffusion Multiphase Flow Hydrodynamics
Source PublicationAICHE JOURNAL
2012-06-01
DOI10.1002/aic.12698
Volume58Issue:6Pages:1660-1670
Indexed BySCI
SubtypeArticle
DepartmentDNL09
Funding ProjectDNL903
Contribution Rank1,1
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Chemical
WOS Research AreaEngineering
WOS KeywordMASS-TRANSFER ; 2-PHASE FLOW ; RECTANGULAR MICROCHANNELS ; MICROMIXING EFFICIENCY ; MONOLITH REACTORS ; REACTION SYSTEM ; SEGMENTED FLOW ; PART I ; MICRO ; MIXER
AbstractThe 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
Language英语
WOS IDWOS:000303595500002
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/117935
Collection中国科学院大连化学物理研究所
Corresponding AuthorChen GW(陈光文)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
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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