A theoretical investigation has been conducted for the prediction of the critical height at the onset of gas entrainment during single discharge from a stratified two-phase region through a side branch with a finite diameter. Two different models have been developed including a new criterion for the onset of gas entrainment, a simplified point-sink model and a finite-branch model. The results of the predicted critical heights at the onset of gas entrainment showed that the finite-branch model approaches the physical limits at low Froude numbers. However, as the values of the Froude number increased, the predicted values of both models eventually converged to the same value. Based on the results of the models, the critical height corresponding to the onset of gas entrainment was found to be a function of Froude number and fluid densities. The results of both models are compared with available experimental data. The comparisons illustrate a very good agreement between the measured and predicted values.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
Modeling of the Onset of Gas Entrainment Through a Finite-Side Branch Available to Purchase
M. Ahmed,
M. Ahmed
Concordia University, Montreal, QC, Canada
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I. Hassan,
I. Hassan
Concordia University, Montreal, QC, Canada
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N. Esmail
N. Esmail
Concordia University, Montreal, QC, Canada
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M. Ahmed
Concordia University, Montreal, QC, Canada
I. Hassan
Concordia University, Montreal, QC, Canada
N. Esmail
Concordia University, Montreal, QC, Canada
Paper No:
FEDSM2002-31242, pp. 911-916; 6 pages
Published Online:
February 24, 2009
Citation
Ahmed, M, Hassan, I, & Esmail, N. "Modeling of the Onset of Gas Entrainment Through a Finite-Side Branch." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 911-916. ASME. https://doi.org/10.1115/FEDSM2002-31242
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