Transport of Wetting and Nonwetting Liquid Plugs in a T-shaped Microchanner

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	Transport of Wetting and Nonwetting Liquid Plugs in a T-shaped Microchanner
	Yong Yumei 1; Li Sha 1; Yang Chao 1; Yin Xiaolong 2
刊名	CHINESE JOURNAL OF CHEMICAL ENGINEERING
	2013-05-01
卷号	21 期号:5 页码:463-472
关键词	lattice Boltzmann method plug flow contact angle interfacial tension microchannel
英文摘要	The transport of liquid plugs in microchannels is very important for many applications such as in medical treatments in airways and in extraction of oil from porous rocks. A plug of wetting and non-wetting liquids driven by a constant pressure difference through a T-shaped microchannel is studied numerically with lattice Boltzmann (LB) method. A two-phase flow LB model based on field mediators is built. Three typical flow patterns (blocking, rupture and splitting flow) of plug flow are obtained with different driving pressures. It is found that it becomes difficult for a plug with short initial plug length to leave the microchannel; the flow pattern of plug transport varies with the contact angle, especially from wetting to nonwetting; with the increase of interfacial tension, the front interface of plug moves faster; the front and rear interfaces of the plug with small viscosity ratio move faster in the microchannel than those of the plug with large viscosity ratio. The study is helpful to provide theoretical data for the design and scale-up of liquid-liquid reactors and separators.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	LATTICE BOLTZMANN METHOD ; 2-DIMENSIONAL CHANNEL ; STEADY PROPAGATION ; SLUG FLOW ; DISPLACEMENT ; NETWORK ; FLUIDS ; MODEL ; OIL
收录类别	SCI
语种	英语
WOS记录号	WOS:000320294300001
公开日期	2015-05-27
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/13590]
专题	过程工程研究所_研究所（批量导入）
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China 2.Colorado Sch Mines, Dept Petr Engn, Golden, CO 80402 USA
推荐引用方式 GB/T 7714	Yong Yumei,Li Sha,Yang Chao,et al. Transport of Wetting and Nonwetting Liquid Plugs in a T-shaped Microchanner[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2013,21(5):463-472.
APA	Yong Yumei,Li Sha,Yang Chao,&Yin Xiaolong.(2013).Transport of Wetting and Nonwetting Liquid Plugs in a T-shaped Microchanner.CHINESE JOURNAL OF CHEMICAL ENGINEERING,21(5),463-472.
MLA	Yong Yumei,et al."Transport of Wetting and Nonwetting Liquid Plugs in a T-shaped Microchanner".CHINESE JOURNAL OF CHEMICAL ENGINEERING 21.5(2013):463-472.