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Liquid-liquid two-phase flow patterns in a rectangular microchannel
Zhao, Yuchao; Chen, Guangwen; Yuan, Quan; Chen GW(陈光文); Chen GW(陈光文)
关键词Microchannel Microreactor Flow Pattern Slug Flow Two-phase Flow
刊名AICHE JOURNAL
2006-12-01
DOI10.1002/aic.11029
52期:12页:4052-4060
收录类别SCI
文章类型Article
部门归属9
项目归属903
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]CAPILLARY-MICROREACTOR ; MICROFLUIDIC DEVICE ; MASS-TRANSFER ; SLUG-FLOW ; PART I ; REGIMES ; TUBES ; INTENSIFICATION ; MICROGRAVITY ; OPERATIONS
英文摘要In this work, the flow of immiscible fluids in a PMMA microchannel 300 mu m wide and 600 pm deep was investigated experimentally. Dyed de-ionized water and kerosene were selected as the test fluids. Flow patterns were observed by using a CCD camera and were identified by examining the video images. Flow patterns obtained at the T-junction and in the microchannel are presented. Superficial velocities varied between 9.26 x 10(-4) similar to 1.85 m/s for water and 9.26 x 10(-4) similar to 2.78 m/s for kerosene. The formation mechanism of slug, monodispersed droplet and droplet populations at the T-junction was studied. Weber numbers of water and kerosene, We(KS) and We(WS), were used to predict the flow regime transition and the flow patterns map. The experimental data of volume of dispersed phase were successfully correlated as a function of We(KS), We(WS), and hold-up fraction. Considering the uncertainty associated with experimental quantification of the process, the results are in satisfactory agreement over the wide range of 1.90 x 10(-3) < We(WS) < 30.43 and 5.90 x 10(-6) < We(KS) < 0.13 with average absolute deviation of only 16.18%. (c) 2006 American Institute of Chemical Engineers.
语种英语
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WOS记录号WOS:000242473900007
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97569
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); Chen GW(陈光文)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhao, Yuchao,Chen, Guangwen,Yuan, Quan,et al. Liquid-liquid two-phase flow patterns in a rectangular microchannel[J]. AICHE JOURNAL,2006,52(12):4052-4060.
APA Zhao, Yuchao,Chen, Guangwen,Yuan, Quan,陈光文,&陈光文.(2006).Liquid-liquid two-phase flow patterns in a rectangular microchannel.AICHE JOURNAL,52(12),4052-4060.
MLA Zhao, Yuchao,et al."Liquid-liquid two-phase flow patterns in a rectangular microchannel".AICHE JOURNAL 52.12(2006):4052-4060.
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