A pore-network model is adopted to simulate fluid flow in porous media. The model is examined for two different hydrophobic loadings. A new algorithm for displacing the fluid inside the porous medium is developed. The algorithm uses an effective pressure as a combination of capillary pressure and hydrodynamic pressure. The capillary pressure is a function of pore size distribution and the wettability characteristics of the medium while the hydrodynamic pressure is correlated to the local saturation of the pores. Thus, the algorithm automatically switches between the capillary driven and the viscous displacement mechanisms based on the value of the local capillary number. The results are compared with the available experimental and numerical data.
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ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 Fluids Engineering Division Summer Meeting
July 8–12, 2012
Rio Grande, Puerto Rico, USA
Conference Sponsors:
- Heat Transfer Division
- Fluids Engineering Division
ISBN:
978-0-7918-4479-3
PROCEEDINGS PAPER
A Pore-Network Model for Capillary-Driven Flows Inside Porous Media
Mehdi Shahraeeni,
Mehdi Shahraeeni
University of British Columbia Okanagan, Kelowna, BC, Canada
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Mina Hoorfar
Mina Hoorfar
University of British Columbia Okanagan, Kelowna, BC, Canada
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Mehdi Shahraeeni
University of British Columbia Okanagan, Kelowna, BC, Canada
Mina Hoorfar
University of British Columbia Okanagan, Kelowna, BC, Canada
Paper No:
ICNMM2012-73060, pp. 597-602; 6 pages
Published Online:
July 22, 2013
Citation
Shahraeeni, M, & Hoorfar, M. "A Pore-Network Model for Capillary-Driven Flows Inside Porous Media." Proceedings of the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 Fluids Engineering Division Summer Meeting. ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. Rio Grande, Puerto Rico, USA. July 8–12, 2012. pp. 597-602. ASME. https://doi.org/10.1115/ICNMM2012-73060
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