Abstract
This paper presents a numerical and experimental study of the effect of viscous and capillary forces on the characteristics of a multiphase flow in a pore doublet model, which is one of the most well-known elementary models of a pore space. Numerical simulation is carried out using OpenFOAM. The process of oil displacement by various agents in a pore doublet model is subjected to a multiparametric analysis with varying pore surface wettability, pressure difference, surface tension, and the ratio of the pore doublet channel size. It is shown that the numerical simulation results are in good agreement with experimental data for the pore doublet model in the case of a hydrophobic surface at various capillary numbers. The physical model of the pore doublet is implemented in a microfluidic chip manufactured using soft lithography. The proposed approach based on computational and experimental microfluidics makes it possible to carry out a numerical study of two-phase filtration in porous medium models corresponding to laboratory studies and to scale the results by characteristic sizes of the core.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2023, Vol. 64, No. 3, pp. 38-48. https://doi.org/10.15372/PMTF20230305.
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Pityuk, Y.A., Sametov, S.P., Fazletdinov, S.U. et al. NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECT OF WETTABILITY AND CAPILLARY NUMBER ON THE EFFICIENCY OF OIL DISPLACEMENT IN A PORE DOUBLET MODEL. J Appl Mech Tech Phy 64, 393–401 (2023). https://doi.org/10.1134/S0021894423030057
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DOI: https://doi.org/10.1134/S0021894423030057