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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 482-484Liquid-Liquid Two-Phase Flow Patterns and Mass...

Liquid-Liquid Two-Phase Flow Patterns and Mass Transfer Characteristics in a Circular Microchannel

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Abstract:

In this paper, flow patterns and mass transfer characteristics of two immiscible fluids in a T-junction circular microchannel were investigated. Four flow patterns, i.e. slug flow, irregular flow, parallel flow and annular flow, were captured by a CCD method, which were resulted from the competition among interfacial tension, viscous force and inertia force. Besides, the overall volumetric mass transfer coefficients ka for the four flow patterns was determined experimentally. The values of ka are in the range of 0.006~0.545s−1 and mainly dependent on the superficial velocity and the flow pattern regime.

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Periodical:

Advanced Materials Research (Volumes 482-484)

Pages:

89-94

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.482-484.89

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Online since:

February 2012

Authors:

Xu Bin Zhang, Dan Chen, Yan Wang, Wang Feng Cai

Keywords:

Flow Pattern, Mass Transfer, Micro-Channel, Two-Phase Flow

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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