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学科主题: 物理化学
题名: Effect of Viscosity on the Hydrodynamics of Liquid Processes in Microchannels
作者: Su, Yuanhai1, 2;  Chen, Guangwen1;  Yuan, Quan1
通讯作者: 陈光文
关键词: Hydrodynamics ;  Microchannel ;  Microreactor ;  Multiphase flow ;  Slug flow ;  Viscosity
刊名: CHEMICAL ENGINEERING & TECHNOLOGY
发表日期: 2014-03-01
DOI: 10.1002/ceat.201300468
卷: 37, 期:3, 页:427-434
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL09
项目归属: DNL0903
产权排名: 待补充
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
资助者: 1,1
研究领域[WOS]: Engineering
英文摘要: The hydrodynamics of single-phase liquid flow with relatively high fluid viscosities in a microchannel was investigated experimentally. The results showed that the conventional theory could predict the single-phase flow with high fluid viscosities in microchannels. Furthermore, the effect of viscosity on the slug flow of two immiscible liquid phases in a microchannel was studied with high-speed imaging techniques. It was found that a higher dispersed-phase viscosity quickened the flow pattern transition from slug flow to parallel flow and resulted in smaller slugs. A modified capillary number representing the mutual effects of the viscosities of the continuous phase and the dispersed phase was proposed for predicting the slug sizes in microchannels.
关键词[WOS]: PRESSURE-DROP ;  FLOW CHARACTERISTICS ;  MICROFLUIDIC DEVICE ;  MASS-TRANSFER ;  BREAK-UP ;  CHANNELS ;  INTENSIFICATION ;  MECHANISM ;  FRICTION ;  REACTORS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000332005900007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119765
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Paderborn, Fac Mech Engn, Chair Fluid Proc Engn, D-33098 Paderborn, Germany

Recommended Citation:
Su, Yuanhai,Chen, Guangwen,Yuan, Quan. Effect of Viscosity on the Hydrodynamics of Liquid Processes in Microchannels[J]. CHEMICAL ENGINEERING & TECHNOLOGY,2014,37(3):427-434.
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