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Gas-liquid flow in circular microchannel. Part I: Influence of liquid physical properties and channel diameter on flow patterns
Zhang, Tong1,2,3; Cao, Bin1,2; Fan, Yilin1; Gonthier, Yves1; Luo, Lingai1; Wang, Shudong2
关键词Gas-liquid Microchannel Flow Pattern Physical Properties Regime Map Transition
刊名CHEMICAL ENGINEERING SCIENCE
2011-12-01
DOI10.1016/j.ces.2011.07.035
66期:23页:5791-5803
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]MICROFABRICATED MULTIPHASE REACTORS ; 2-PHASE FLOW ; USER ACCEPTANCE ; PLANT CONCEPTS ; MASS-TRANSFER ; TAYLOR FLOW ; AIR-WATER ; DIRECT FLUORINATION ; REGIMES ; TUBES
英文摘要This paper presents an experimental investigation on influence of liquid physical properties and channel diameter on gas-liquid flow patterns in horizontal circular microchannels with inner diameters of 302, 496 and 916 mu m. Several liquids with different physical properties, i.e. water, ethanol, three sodium carboxymethyl cellulose (CMC) solutions (0.0464%, 0.1262%, 0.2446% CMC) and two sodium dodecyl sulfate (SDS) solutions (0.0608%, 0.2610% SDS) are chosen as working fluid and nitrogen as working gas. By using a high-speed photography system, flow patterns such as bubbly flow, slug and unstable slug flow, churn flow, slug-annular and annular flow are observed and identified on the flow regime maps. The results show that the liquid physical properties (viscosity and surface tension) and channel diameter affect the flow pattern transitions remarkably. Comparison with existing models in literature implies that these transitions cannot be well predicted. As a result, an effort is put into the proposition of a new empirical model taking the effects of channel size and liquid physical properties into account. (C) 2011 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000296097200005
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被引频次:18[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/321008/142360
专题中国科学院大连化学物理研究所
作者单位1.Univ Savoie, CNRS, UMR5271, LOCIE, F-73376 Savoie Technolac, Le Bourget Du L, France
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Zhang, Tong,Cao, Bin,Fan, Yilin,et al. Gas-liquid flow in circular microchannel. Part I: Influence of liquid physical properties and channel diameter on flow patterns[J]. CHEMICAL ENGINEERING SCIENCE,2011,66(23):5791-5803.
APA Zhang, Tong,Cao, Bin,Fan, Yilin,Gonthier, Yves,Luo, Lingai,&Wang, Shudong.(2011).Gas-liquid flow in circular microchannel. Part I: Influence of liquid physical properties and channel diameter on flow patterns.CHEMICAL ENGINEERING SCIENCE,66(23),5791-5803.
MLA Zhang, Tong,et al."Gas-liquid flow in circular microchannel. Part I: Influence of liquid physical properties and channel diameter on flow patterns".CHEMICAL ENGINEERING SCIENCE 66.23(2011):5791-5803.
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