NDLI: Liquid–liquid micro-dispersion in a double-pore T-shaped microfluidic device

Content Provider	Springer Nature Link
Author	Wang, K. Lu, Y. C. Xu, J. H. Tan, J. Luo, G. S.
Copyright Year	2008
Abstract	For further understanding the dispersion process in the T-shaped microfluidic device, a double-pore T-shaped microchannel was designed and tested with octane/water system to form monodispersed plugs and droplets in this work. The liquid–liquid two-phase flow patterns were investigated and it was found that only short plugs, relative length L/w < 1.4, were produced. Additionally, the droplets flow was realized at phase ratios (F C /F D) just higher than 0.5, which is much smaller than that in the single-pore T-shaped microchannels. A repulsed effect between the initial droplets was observed in the droplet formation process and the periodic fluctuation flow of the dispersed phase was discussed by analyzing the resistances. Besides, the effect of the two-phase flow rates on the plug length and the droplet diameter was investigated. Considering the mutual effect of the initial droplets and the equilibrium between the shearing force with the interfacial tension, phase ratio and Ca number were introduced into the semi-empirical models to present the plug and droplet sizes at different operating conditions.
Starting Page	557
Ending Page	564
Page Count	8
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	6
Issue Number	4
e-ISSN	16134990
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-08-06
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microfluidic T-shaped Double-pore Droplet formation Emulsion Biomedical Engineering Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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