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Title: BEM simulations of potential flow with viscous effects as applied to a rising bubble
Authors: Klaseboer, E.
Manica, R.
Chan, D.Y.C.
Khoo, B.C. 
Keywords: Boundary element method
Drag force
Terminal velocity
Transient bubble rise and deformation
Issue Date: Mar-2011
Citation: Klaseboer, E., Manica, R., Chan, D.Y.C., Khoo, B.C. (2011-03). BEM simulations of potential flow with viscous effects as applied to a rising bubble. Engineering Analysis with Boundary Elements 35 (3) : 489-494. ScholarBank@NUS Repository.
Abstract: A model for the unsteady rise and deformation of non-oscillating bubbles under buoyancy force at high Reynolds numbers has been implemented using a boundary element method. Results such as the evolution of the bubble shape, variations of the transient velocity with rise height and the terminal velocity for different size bubbles have been compared to recent experimental data in clean water and to numerical solutions of the unsteady NavierStokes equation. The aim is to capture the essential physical ingredients that couple bubble deformation and the transient approach towards terminal velocity. This model requires very modest computational resources and yet has the flexibility to be extended to more general applications. © 2010 Elsevier Ltd. All rights reserved.
Source Title: Engineering Analysis with Boundary Elements
ISSN: 09557997
DOI: 10.1016/j.enganabound.2010.09.005
Appears in Collections:Staff Publications

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