Open Access
Energies, volume 12, issue 14, pages 2735
Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion
Publication type: Journal Article
Publication date: 2019-07-17
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Control and Optimization
Engineering (miscellaneous)
Energy (miscellaneous)
Abstract
The flow patterns and heat transfer of a downstream bubbly flow in a sudden pipe expansion are experimentally and numerically studied. Measurements of the bubble size were performed using shadow photography. Fluid phase velocities were measured using a PIV system. The numerical model was employed the Eulerian approach. The set of RANS equations was used for modelling two-phase bubbly flows. The turbulence of the carrier liquid phase was predicted using the Reynolds stress model. The peak of axial and radial fluctuations of the carrier fluid (liquid) velocity in the bubbly flow is observed in the shear layer. The addition of air bubbles resulted in a significant increase in the heat transfer rate (up to 300%). The main enhancement in heat transfer is observed after the point of flow reattachment.
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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5 publications, 26.32%
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3 publications, 15.79%
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IOP Publishing
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IOP Publishing
1 publication, 5.26%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Lobanov P., Maksim P., Terekhov V. Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion // Energies. 2019. Vol. 12. No. 14. p. 2735.
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Lobanov P., Maksim P., Terekhov V. Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion // Energies. 2019. Vol. 12. No. 14. p. 2735.
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TY - JOUR
DO - 10.3390/en12142735
UR - https://doi.org/10.3390%2Fen12142735
TI - Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion
T2 - Energies
AU - Maksim, Pakhomov
AU - Terekhov, Viktor
AU - Lobanov, Pavel
PY - 2019
DA - 2019/07/17 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2735
IS - 14
VL - 12
SN - 1996-1073
ER -
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@article{2019_Lobanov,
author = {Pakhomov Maksim and Viktor Terekhov and Pavel Lobanov},
title = {Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion},
journal = {Energies},
year = {2019},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jul},
url = {https://doi.org/10.3390%2Fen12142735},
number = {14},
pages = {2735},
doi = {10.3390/en12142735}
}
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Lobanov, Pavel, et al. “Experimental and Numerical Study of the Flow and Heat Transfer in a Bubbly Turbulent Flow in a Pipe with Sudden Expansion.” Energies, vol. 12, no. 14, Jul. 2019, p. 2735. https://doi.org/10.3390%2Fen12142735.
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