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THEORETICAL STUDY OF MOTION OF SMALL SPHERICAL AIR BUBBLES IN A UNIFORM SHEAR FLOW OF WATER
- Authors
- Mehdi, Syed Murtuza; Kim, Sin
- Issue Date
- Feb-2015
- Publisher
- KOREAN NUCLEAR SOC
- Keywords
- Air bubbles; Couette flow; Eotvos number; Trajectories; Uniform shear; Water
- Citation
- NUCLEAR ENGINEERING AND TECHNOLOGY, v.47, no.1, pp 126 - 134
- Pages
- 9
- Journal Title
- NUCLEAR ENGINEERING AND TECHNOLOGY
- Volume
- 47
- Number
- 1
- Start Page
- 126
- End Page
- 134
- ISSN
- 1738-5733
- Abstract
- A simple Couette flow velocity profile with an appropriate correlation for the free terminal rise velocity of a single bubble in a quiescent liquid can produce reliable results for the trajectories of small spherical air bubbles in a low-viscosity liquid (water) provided the liquid remains under uniform shear flow. Comparison of the model adopted in this paper with published results has been accomplished. Based on this study it has also been found that the lift coefficient in water is higher than its typical value in a high-viscosity liquid and therefore a modified correlation for the lift coefficient in a uniform shear flow of water within the regime of the Eotvos number 0.305 <= Eo <= 1.22 is also presented. Copyright (C) 2015, Published by Elsevier Korea LLC on behalf of Korean Nuclear Society.
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Collections - College of Engineering > School of Energy System Engineering > 1. Journal Articles
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