A Numerical Method for Bubbly Flow Simulation Based on a Multi-Fluid Model

[+] Author and Article Information
Akio Tomiyama, Naoki Shimada

Graduate School of Science and Technology, Kobe University, Kobe 657-8501, Japan

J. Pressure Vessel Technol 123(4), 510-516 (May 23, 2001) (7 pages) doi:10.1115/1.1388010 History: Received November 06, 2000; Revised May 23, 2001
Copyright © 2001 by ASME
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Terminal velocity of single air bubbles in water 6; the curve is drawn using Eq. (39)
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Schematic of experimental apparatus
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Bubbles injected from each nozzle
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Time evolution of flow pattern
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Time evolution of void fraction and liquid volumetric flux predicted by the three-group classification of bubbles (N=3) (a), (b) and one-group classification (N=1) (c), (d); αG contours (0.0, 0.1, 0.2, 0.3, 0.4, 0.5 percent)—(a) αG:(N+1)-fluid model (N=3), (b) JL:(N+1)-fluid model (N=3), (c) αG: two-fluid model (N=1), (d) JL: two-fluid model (N=1)
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Comparison between measured and predicted plume patterns




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