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TECHNICAL PAPERS

Numerical Simulation of Droplet Flows and Evaluation of Interfacial Area

[+] Author and Article Information
T. Watanabe, K. Ebihara

Center for Promotion of Computational Science and Engineering, Japan Atomic Energy Research Institute, Tokai-mura, Naka-gun, Ibaraki, 319-1195, Japan

J. Fluids Eng 124(3), 576-583 (Aug 19, 2002) (8 pages) doi:10.1115/1.1490128 History: Received May 18, 2001; Revised April 17, 2002; Online August 19, 2002
Copyright © 2002 by ASME
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Figures

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Lattice configuration for 3-D 15-direction model
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Effect of region size on trajectories of rising droplets
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Effect of region size on rising velocity
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Effect of Weber number on trajectories of rising droplets
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Comparison of rising velocity between simulations and force balance
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Comparison of rising velocity between simulations and empirical correlation
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Coalescence of two rising droplets for Eo=7.30
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Trajectory of two rising droplets for Eo=7.30
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Coalescence and breakup of two rising droplets for Eo=8.57
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Coalescence of three rising droplets for Eo=6.14
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Trajectory of three rising droplets for Eo=6.14
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Coalescence and breakup of three rising droplet for Eo=7.30
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Definition of interface and volume fraction at a node
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Geometries of sphere and sinusoidal wave
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Measured and analytical interfacial area and volume fraction for sphere
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Measured and analytical interfacial area and volume fraction for wave
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Variation of interfacial area and volume fraction for a rising droplet
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Variation of interfacial area for two rising droplets
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Variation of interfacial area for three rising droplets

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