A simple approach for calculating the interfacial component of frictional pressure gradient in two-phase flow in microchannels and minichannels is presented. This approach is developed using superposition of three pressure gradients: single-phase liquid, single-phase gas, and interfacial pressure gradient. The proposed model can be transformed in two different ways. First, two-phase interfacial multiplier for liquid flowing alone () as a function of two-phase frictional multiplier for liquid flowing alone () and the Lockhart-Martinelli parameter, X. Second, two-phase interfacial multiplier for gas flowing alone () as a function of two-phase frictional multiplier for gas flowing alone () and the Lockhart-Martinelli parameter, X. This proposed model allows for the interfacial pressure gradient to be easily modeled. Comparisons of the proposed model with experimental data for microchannels and minichannels and existing correlations for both φl and φg versus X are presented.
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ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels
June 19–22, 2011
Edmonton, Alberta, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4464-9
PROCEEDINGS PAPER
Modeling of Interfacial Component for Two-Phase Frictional Pressure Gradient in Microchannels and Minichannels Available to Purchase
M. M. Awad,
M. M. Awad
Umm Al-Qura University, Makkah, Saudi Arabia
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Y. S. Muzychka
Y. S. Muzychka
Memorial University of Newfoundland, St. John’s, NL, Canada
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M. M. Awad
Umm Al-Qura University, Makkah, Saudi Arabia
Y. S. Muzychka
Memorial University of Newfoundland, St. John’s, NL, Canada
Paper No:
ICNMM2011-58085, pp. 393-404; 12 pages
Published Online:
May 11, 2012
Citation
Awad, MM, & Muzychka, YS. "Modeling of Interfacial Component for Two-Phase Frictional Pressure Gradient in Microchannels and Minichannels." Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2. Edmonton, Alberta, Canada. June 19–22, 2011. pp. 393-404. ASME. https://doi.org/10.1115/ICNMM2011-58085
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