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Pore-Scale Study on Two-Phase Flow in Porous Media

Abstract

This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the Process Intensification Network, the Institution of Mechanical Engineers, the Heat Transfer Society, HEXAG - the Heat Exchange Action Group, and the Energy Institute, ASME Press, LCN London Centre for Nanotechnology, UCL University College London, UCL Engineering, the International NanoScience Community, www.nanopaprika.eu.This paper presents currently available pore-scale predictive techniques for two-phase flow in porous media, which are based on the real description of the pore space. Two pore-scale models are established with FVM-VOF and LBM-VOF method based on the different complex foam structure, respectively. The two-phase flow of pore fluid is numerically simulated and the influence of the porous structure wettability is discussed based on the numerical predictions. These pore-scale models can be adopted to describe the detailed flow characteristic in porous media and evaluate their average effects

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