International Journal of Heat and Mass Transfer, volume 49, issue 19-20, pages 3717-3727

Experimental and numerical study of downward bubbly flow in a pipe

Publication typeJournal Article
Publication date2006-09-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.2
ISSN00179310
Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes
Abstract
An experimental and numerical study of the local structure of downward gas–liquid flow in a vertical pipe with 20-mm inner diameter is reported. In the experiment, the electrodiffusion technique was used in combination with electrical conductivity measurements. To examine the effect of gas-phase dispersion on flow characteristics, two different gas–liquid mixers were used capable of producing large-diameter (>1 mm) and small-diameter (<1 mm) gas bubbles at identical rate characteristics of the flow. The unified heterogeneous-medium mechanics approach was used to develop, in the Eulerian two-velocity approximation, a calculation model for downward turbulent liquid/air bubble flows. It is shown that, as the volumetric gas flow rate of the mixture at the inlet to the pipe increases, local maxima of continuous phase velocity and bubble concentration emerge in the near-wall zone of the flow, with liquid turbulence suppressed in the wall zone and enhanced in the core of the flow.

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Kashinsky O. N. et al. Experimental and numerical study of downward bubbly flow in a pipe // International Journal of Heat and Mass Transfer. 2006. Vol. 49. No. 19-20. pp. 3717-3727.
GOST all authors (up to 50) Copy
Kashinsky O. N., Lobanov P. D., Pakhomov M., Randin V. V., Terekhov V. I. Experimental and numerical study of downward bubbly flow in a pipe // International Journal of Heat and Mass Transfer. 2006. Vol. 49. No. 19-20. pp. 3717-3727.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ijheatmasstransfer.2006.02.004
UR - https://doi.org/10.1016%2Fj.ijheatmasstransfer.2006.02.004
TI - Experimental and numerical study of downward bubbly flow in a pipe
T2 - International Journal of Heat and Mass Transfer
AU - Kashinsky, O. N.
AU - Lobanov, P D
AU - Pakhomov, M.A.
AU - Randin, V. V.
AU - Terekhov, V. I.
PY - 2006
DA - 2006/09/01 00:00:00
PB - Elsevier
SP - 3717-3727
IS - 19-20
VL - 49
SN - 0017-9310
ER -
BibTex |
Cite this
BibTex Copy
@article{2006_Kashinsky,
author = {O. N. Kashinsky and P D Lobanov and M.A. Pakhomov and V. V. Randin and V. I. Terekhov},
title = {Experimental and numerical study of downward bubbly flow in a pipe},
journal = {International Journal of Heat and Mass Transfer},
year = {2006},
volume = {49},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016%2Fj.ijheatmasstransfer.2006.02.004},
number = {19-20},
pages = {3717--3727},
doi = {10.1016/j.ijheatmasstransfer.2006.02.004}
}
MLA
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MLA Copy
Kashinsky, O. N., et al. “Experimental and numerical study of downward bubbly flow in a pipe.” International Journal of Heat and Mass Transfer, vol. 49, no. 19-20, Sep. 2006, pp. 3717-3727. https://doi.org/10.1016%2Fj.ijheatmasstransfer.2006.02.004.
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