Journal ArticleDOI
Gas–liquid two-phase flow in microchannels Part I: two-phase flow patterns
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TLDR
In this paper, a systematic experimental investigation of two-phase flow patterns in microchannels was the objective of this study, using air and water, experiments were conducted in circular micro channels with 1.1 and 1.45mm inner diameters, and in semi-triangular (triangular with one corner smoothed) cross-sections with hydraulic diameters 1.09 and 149mm.About:
This article is published in International Journal of Multiphase Flow.The article was published on 1999-04-01. It has received 822 citations till now. The article focuses on the topics: Two-phase flow & Open-channel flow.read more
Citations
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Multiphase microfluidics: from flow characteristics to chemical and materials synthesis
Axel Günther,Klavs F. Jensen +1 more
TL;DR: Transport characteristics of pressure-driven, multiphase flows through microchannel networks tens of nanometres to several hundred of micrometres wide are reviewed with emphasis on conditions resulting in enhanced mixing and reduced axial dispersion.
Journal ArticleDOI
Multiphase monolith reactors: Chemical reaction engineering of segmented flow in microchannels
TL;DR: The use of segmented flow in capillaries, also known as Taylor flow, for reaction engineering purposes has soared in recent years as mentioned in this paper, with an emphasis on the underlying principles.
Journal ArticleDOI
Investigation of two-phase flow pattern, void fraction and pressure drop in a microchannel
TL;DR: In this paper, a flow pattern map was developed based on the probability of appearance of each type of flow, and compared to the existing flow pattern maps obtained for ∼1-mm diameter channels.
Journal ArticleDOI
Heat transfer model for evaporation in microchannels. Part I: presentation of the model
TL;DR: In this article, a three-zone flow boiling model was proposed to describe evaporation of elongated bubbles in microchannels, and a time-averaged local heat transfer coefficient was obtained.
Journal ArticleDOI
Boiling in microchannels: a review of experiment and theory
TL;DR: In this paper, a review of recent research on boiling in micro-channels is presented, which addresses the topics of macroscale versus micro-scale heat transfer, two-phase flow regimes, flow boiling heat transfer results for micro-channel, heat transfer mechanisms in microchannels and flow boiling models for micro channels.
References
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Journal ArticleDOI
A model for predicting flow regime transitions in horizontal and near horizontal gas-liquid flow
Yemada Taitel,A. E. Dukler +1 more
TL;DR: In this article, a generalized flow regime map based on this theory is presented, which is used for determining flow regime transitions in two-phase gas-liquid flow, and the mechanisms for transition are based on physical concepts and are fully predictive.
Journal ArticleDOI
Fundamentals of the hydrodynamic mechanism of splitting in dispersion processes
TL;DR: In this paper, Taylor's experiments on the breakup of a drop in simple types of viscous flow, (b) breakup of an air stream, and (c) emulsification in a turbulent flow are studied.
Journal ArticleDOI
Modelling flow pattern transitions for steady upward gas-liquid flow in vertical tubes
TL;DR: In this paper, the authors developed models for predicting flow pattern transitions during steady gas-liquid flow in vertical tubes based on physical mechanisms suggested for each transition, incorporating the effect of fluid properties and pipe size.
Journal ArticleDOI
A flow pattern map for gas—liquid flow in horizontal pipes
TL;DR: Govier and Aziz as mentioned in this paper used flow pattern maps for two-phase gas-liquid flow in horizontal pipes and compared them with the 5935 flow pattern observations currently contained in the UC Multiphase Pipe Flow Data Bank.
Journal ArticleDOI
Gas–liquid two-phase flow in microchannels: Part II: void fraction and pressure drop
TL;DR: In this paper, the authors investigated void fraction and two-phase frictional pressure drop in transparent circular microchannels with 1.1 and 1.45mm inner diameters and in semi-triangular (triangular with one corner smoothed) cross-sections with hydraulic diameters 1.09 and 0.49mm.
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