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	Heat-Transfer Performance of a Liquid-Liquid Microdispersed System
	Wang, Kai ; Lu, Yangcheng ; Shao, Huawei ; Luo, Guangsheng
	2010-05-07 ; 2010-05-07
关键词	MASS-TRANSFER IMMISCIBLE LIQUIDS SPRAY COLUMN T-JUNCTION FLOW DROPLETS REACTORS MICROCHANNELS MINI Engineering, Chemical
中文摘要	In this work, the heat-transfer performance of liquid-liquid microdispersed systems was tested for the first time with a microdispersion contactor named a membrane dispersion minicontactor and octane/water as the working system. The volumetric heat-transfer coefficients ranging from 5 to 25 MW/(m3.degrees C) were obtained, which were 15-20 times higher than that of the conventional dispersion heat-transfer methods. The heat-transfer Murphree efficiencies, defined to evaluate the heat-transfer performance, reached 85-99% for the microdispersed system with residence times less than 0.1 s. By introducing the two parameters of Ca number and oil volumetric fraction, a semiempirical model for predicting the volumetric heat-transfer coefficient has been developed, which fits the experimental results very well. Furthermore, the similarity between the heat and mass transfer in the microdispersed system was demonstrated.
语种	英语 ; 英语
出版者	AMER CHEMICAL SOC ; WASHINGTON ; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/17671]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Kai,Lu, Yangcheng,Shao, Huawei,et al. Heat-Transfer Performance of a Liquid-Liquid Microdispersed System[J],2010, 2010.
APA	Wang, Kai,Lu, Yangcheng,Shao, Huawei,&Luo, Guangsheng.(2010).Heat-Transfer Performance of a Liquid-Liquid Microdispersed System..
MLA	Wang, Kai,et al."Heat-Transfer Performance of a Liquid-Liquid Microdispersed System".(2010).

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