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TECHNICAL PAPERS

Direct Simulation of Droplet Flow With Mass Transfer at Interface

[+] Author and Article Information
T. Sato, R.-T. Jung, S. Abe

Department of Environmental and Ocean Engineering, University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

J. Fluids Eng 122(3), 510-516 (Mar 31, 2000) (7 pages) doi:10.1115/1.1287504 History: Received April 01, 1999; Revised March 31, 2000
Copyright © 2000 by ASME
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Figures

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Time history of rise velocity of rising droplet. (a) Case 1-1. Solid line and broken lines denote results in Domains 1-A and 1-B, respectively. (b) Case 1-3.
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Contour map of vorticity for Case 1-3. (a) t=7.2. (b) t=8.7
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Time history of Sherwood number for dissolution from rigid sphere without flow
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Time histories of rise velocity and diameter of rising droplet with mass transfer at interface. Solid and broken lines denote results for Grid 4-I and 4-II, respectively.
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Time histories of Reynolds number and Sherwood number of rising droplet with mass transfer at interface for Grid 4-2. Solution of Ranz-Marshall’s equation for rigid sphere is superimposed.
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3D shaded images of rising droplet with mass transfer at interface. (a) Iso-surface (20.0) of Laplacian of pressure. (b) Iso-surfaces (0.05 CS,0.13 CS) of mass concentration.
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Schematic of interface cell
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Time history of rise velocity of droplet depending on grid size for Case 1-2
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Velocity vectors around droplet and contour line of MDF (0.5) for Case 1-2. Numbers of grids are (a) 56×56×140 and (b) 60×60×150, respectively

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