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1

Cai, Jianchao, Reza Rezaee, and Victor Calo. "Recent Advances in Multiscale Petrophysics Characterization and Multiphase Flow in Unconventional Reservoirs." Energies 15, no. 8 (2022): 2874. http://dx.doi.org/10.3390/en15082874.

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2

Li, Xiaoqing, Renqiang Liu, Tianyu Zhang, Peng Yu, and Xiaoyan Liu. "Division of paraffin melting zone based on multiscale experiments." Thermal Science, no. 00 (2021): 140. http://dx.doi.org/10.2298/tsci200818140l.

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Phase change energy storage materials are widely used in the field of renewable energy. Paraffin is one of the common phase change energy storage materials. As a multi-component hydrocarbon mixture, the melting of paraffin is different from that of pure substance. In addition to the solid and liquid zones, there is also a fuzzy zone in which solid and liquid coexist. In this paper, the melting characteristics of paraffin in phase transition zone are studied by multi-scale experiments. Through the visualization experiment of square cavity paraffin melting, the solid zone, fuzzy zone and liquid
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3

Reynolds, David A., and Bernard H. Kueper. "Multiphase flow and transport through fractured heterogeneous porous media." Journal of Contaminant Hydrology 71, no. 1-4 (2004): 89–110. http://dx.doi.org/10.1016/j.jconhyd.2003.09.008.

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4

Kueper, Bernard H., Wesley Abbott, and Graham Farquhar. "Experimental observations of multiphase flow in heterogeneous porous media." Journal of Contaminant Hydrology 5, no. 1 (1989): 83–95. http://dx.doi.org/10.1016/0169-7722(89)90007-7.

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5

Yan, Guanxi, Zi Li, Thierry Bore, Sergio Andres Galindo Torres, Alexander Scheuermann, and Ling Li. "Discovery of Dynamic Two-Phase Flow in Porous Media Using Two-Dimensional Multiphase Lattice Boltzmann Simulation." Energies 14, no. 13 (2021): 4044. http://dx.doi.org/10.3390/en14134044.

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The dynamic two-phase flow in porous media was theoretically developed based on mass, momentum conservation, and fundamental constitutive relationships for simulating immiscible fluid-fluid retention behavior and seepage in the natural geomaterial. The simulation of transient two-phase flow seepage is, therefore, dependent on both the hydraulic boundaries applied and the immiscible fluid-fluid retention behavior experimentally measured. Many previous studies manifested the velocity-dependent capillary pressure–saturation relationship (Pc-S) and relative permeability (Kr-S). However, those work
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6

Papamichos, Euripides. "Erosion and multiphase flow in porous media. Application to sand production." European Journal of Environmental and Civil engineering 14, no. 8-9 (2010): 1129–54. http://dx.doi.org/10.3166/ejece.14.1129-1154.

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7

Abdin, A., J. J. Kalurachchi, M. W. Kemblowski, and C. M. Chang. "Stochastic analysis of multiphase flow in porous media: II. Nummerical simulations." Stochastic Hydrology and Hydraulics 11, no. 1 (1997): 94. http://dx.doi.org/10.1007/bf02428427.

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8

Abin, A., J. J. Kalurachchi, M. W. Kemblowski, and C. M. Chang. "Stochastic analysis of multiphase flow in porous media: II. Numerical simulations." Stochastic Hydrology and Hydraulics 10, no. 3 (1996): 231–51. http://dx.doi.org/10.1007/bf01581465.

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9

Chang, C., M. W. Kemblowski, J. Kaluarachchi, and A. Abdin. "Stochastic analysis of multiphase flow in porous media: 1. Spectral/perturbation approach." Stochastic Hydrology and Hydraulics 9, no. 3 (1995): 239–67. http://dx.doi.org/10.1007/bf01581722.

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10

Li, Guihe, and Jia Yao. "Snap-Off during Imbibition in Porous Media: Mechanisms, Influencing Factors, and Impacts." Eng 4, no. 4 (2023): 2896–925. http://dx.doi.org/10.3390/eng4040163.

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The phenomenon of snap-off during imbibition in porous media, a fundamental two-phase fluid flow phenomenon, plays a crucial role in both crude oil production and carbon dioxide (CO2) utilization and storage. In porous media where two phases coexist, the instability of the phase interface may give rise to various displacement phenomena, including pore–body filling, piston-like displacement, and snap-off. Snap-off, characterized by the generation of discrete liquid droplets or gas bubbles, assumes paramount significance. This study provides a comprehensive overview of snap-off mechanisms, influ
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11

Moodie, Nathan, William Ampomah, Wei Jia, and Brian McPherson. "Relative Permeability: A Critical Parameter in Numerical Simulations of Multiphase Flow in Porous Media." Energies 14, no. 9 (2021): 2370. http://dx.doi.org/10.3390/en14092370.

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Effective multiphase flow and transport simulations are a critical tool for screening, selection, and operation of geological CO2 storage sites. The relative permeability curve assumed for these simulations can introduce a large source of uncertainty. It significantly impacts forecasts of all aspects of the reservoir simulation, from CO2 trapping efficiency and phase behavior to volumes of oil, water, and gas produced. Careful consideration must be given to this relationship, so a primary goal of this study is to evaluate the impacts on CO2-EOR model forecasts of a wide range of relevant relat
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12

Thomas, S. G. G., and M. F. F. Wheeler. "Enhanced-Velocity-Multiblock Method for Coupled Flow and Reactive-Species Transport Through Porous Media: Applications to Bioremediation and Carbon Sequestration." SPE Journal 17, no. 03 (2012): 794–804. http://dx.doi.org/10.2118/141824-pa.

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Summary This paper presents a multiblock-discretization method—the enhanced-velocity mixed-finite-element method (EVMFEM) (Wheeler et al. 2002)—for coupled multiphase flow and reactive-species-transport modeling in porous-media applications. The method provides local mass balance and a continuous approximation of fluxes across interfaces of elements and subdomains. It can treat nonmatching grids, allowing for a flexible choice of grid refinements. Further, by distributing the blocks among processors such that each block has approximately the same number of elements, this method can be implemen
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13

Berning, Torsten, Madeleine Odgaard, and So̸ren K. Kær. "A Computational Analysis of Multiphase Flow Through PEMFC Cathode Porous Media Using the Multifluid Approach." Journal of The Electrochemical Society 156, no. 11 (2009): B1301. http://dx.doi.org/10.1149/1.3206691.

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14

Golparvar, Amir, Matthias Kästner, and Martin Thullner. "P3D-BRNS v1.0.0: a three-dimensional, multiphase, multicomponent, pore-scale reactive transport modelling package for simulating biogeochemical processes in subsurface environments." Geoscientific Model Development 17, no. 2 (2024): 881–98. http://dx.doi.org/10.5194/gmd-17-881-2024.

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Abstract. The porous microenvironment of soil offers various environmental functions which are governed by physical and reactive processes. Understanding reactive transport processes in porous media is essential for many natural systems (soils, aquifers, aquatic sediments or subsurface reservoirs) or technological processes (water treatment or ceramic and fuel cell technologies). In particular, in the vadose zone of the terrestrial subsurface the spatially and temporally varying saturation of the aqueous and the gas phase leads to systems that involve complex flow and transport processes as we
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15

Man, Yu, Junjie Tong, Tingyu Wang, Shuxiang Wang, and Hu Xu. "Study on Intermittent Microwave Convective Drying Characteristics and Flow Field of Porous Media Food." Energies 16, no. 1 (2022): 441. http://dx.doi.org/10.3390/en16010441.

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Numerical simulations were carried out for moist, porous media, intermittent microwave convective drying (IMCD) using a multiphase flow model in porous media subdomains coupled with a forced-convection heat-transfer model in an external hot air subdomain. The models were solved by using COMSOL Multiphysics was applied at the pulse ratio (PR) of 3. Based on drying characteristics of porous media and the distribution of the evaporation interface, IMCD was compared with convection drying (CD). Drying uniformity K, velocity difference, temperature difference, and humidity difference were introduce
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16

Wu, Yu-Shu, and Peter A. Forsyth. "On the selection of primary variables in numerical formulation for modeling multiphase flow in porous media." Journal of Contaminant Hydrology 48, no. 3-4 (2001): 277–304. http://dx.doi.org/10.1016/s0169-7722(00)00180-7.

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17

Tsakiroglou, Christos D. "A method to calculate the multiphase flow properties of heterogeneous porous media by using network simulations." AIChE Journal 57, no. 10 (2010): 2618–28. http://dx.doi.org/10.1002/aic.12493.

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18

Elhaj, Murtada A., Syed A. Imtiaz, Greg F. Naterer, and Sohrab Zendehboudi. "Entropy Generation Minimization of Two-Phase Flow Irreversibilities in Hydrocarbon Reservoirs." Energies 16, no. 10 (2023): 4096. http://dx.doi.org/10.3390/en16104096.

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The efficient use of available energy in hydrocarbon extraction processes is essential to reducing overall emissions in the petroleum industry. The inefficient design of an extraction process leads to higher emissions per unit mass of hydrocarbon recovery. Fluid friction and heat transfer are irreversible processes that are vital in decreasing the overall system’s operational efficiency. To reduce these irreversible energy losses in the petroleum reservoir production’s life, contributing factors such as the characteristic features of a reservoir formation, reservoir fluids, and production rate
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19

Huyakorn, P. S., S. Panday, and Y. S. Wu. "A three-dimensional multiphase flow model for assesing NAPL contamination in porous and fractured media, 1. Formulation." Journal of Contaminant Hydrology 16, no. 2 (1994): 109–30. http://dx.doi.org/10.1016/0169-7722(94)90048-5.

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20

Ma, Xianlin, Chengde Li, Jie Zhan, and Yupeng Zhuang. "Physics-Informed Generative Adversarial Network Solution to Buckley–Leverett Equation." Mathematics 12, no. 23 (2024): 3833. https://doi.org/10.3390/math12233833.

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Efficient and economical hydrocarbon extraction relies on a clear understanding of fluid flow dynamics in subsurface reservoirs, where multiphase flow in porous media poses complex modeling challenges. Traditional numerical methods for solving the governing partial differential equations (PDEs) provide effective solutions but struggle with the high computational demands required for accurately capturing fine-scale flow dynamics. In response, this study introduces a physics-informed generative adversarial network (GAN) framework for addressing the Buckley–Leverett (B-L) equation with non-convex
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21

Zou, Shuangmei, Peixing Xu, Congjiao Xie, Xuan Deng, and Haodong Tang. "Characterization of Two-Phase Flow from Pore-Scale Imaging Using Fractal Geometry under Water-Wet and Mixed-Wet Conditions." Energies 15, no. 6 (2022): 2036. http://dx.doi.org/10.3390/en15062036.

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High resolution micro-computed tomography images for multiphase flow provide us an effective tool to understand the mechanism of fluid flow in porous media, which is not only fundamental to the understanding of macroscopic measurements but also for providing benchmark datasets to validate pore-scale modeling. In this study, we start from two datasets of pore scale imaging of two-phase flow obtained experimentally under in situ imaging conditions at different water fractional flows under water-wet and mixed-wet conditions. Then, fractal dimension, lacunarity and succolarity are used to quantify
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22

Gong, Wenbo, and Jinhui Liu. "Effect of Wettability Heterogeneity on Water-Gas Two-Phase Displacement Behavior in a Complex Pore Structure by Phase-Field Model." Energies 15, no. 20 (2022): 7658. http://dx.doi.org/10.3390/en15207658.

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Understanding the immiscible displacement mechanism in porous media is vital to enhancing the hydrocarbon resources in the oil and gas reservoir. Improving resource recovery requires quantitatively characterizing the effect of wettability heterogeneity on the immiscible displacement behaviors at the pore scale, which can be used to predict the displacement distribution of multiphase fluids and evaluate the optimal wettability strategy in porous media. The heterogeneity of fluid wettability in a natural rock makes it extremely hard to directly observe the fluid displacement behaviors in the res
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23

Muaaz-Us-Salam, Syed, Peter John Cleall, and Michael John Harbottle. "The case for examining fluid flow in municipal solid waste at the pore-scale – A review." Waste Management & Research: The Journal for a Sustainable Circular Economy 37, no. 4 (2019): 315–32. http://dx.doi.org/10.1177/0734242x19828120.

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In this paper, we discuss recent efforts from the last 20 years to describe transport in municipal solid waste (MSW). We first discuss emerging themes in the field to draw the reader’s attention to a series of significant challenges. We then examine contributions regarding the modelling of leachate flow to study transport via mechanistic and stochastic approaches, at a variety of scales. Since MSW is a multiphase, biogeochemically active porous medium, and with the aim of providing a picture of transport phenomena in a wider context, we then discuss a selection of studies on leachate flow inco
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24

Li, Yanyan, Shuoliang Wang, Zhihong Kang, et al. "Research on the Correction Method of the Capillary End Effect of the Relative Permeability Curve of the Steady State." Energies 14, no. 15 (2021): 4528. http://dx.doi.org/10.3390/en14154528.

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Relative permeability curve is a key factor in describing the characteristics of multiphase flow in porous media. The steady-state method is an effective method to measure the relative permeability curve of oil and water. The capillary discontinuity at the end of the samples will cause the capillary end effect. The capillary end effect (CEE) affects the flow and retention of the fluid. If the experimental design and data interpretation fail to eliminate the impact of capillary end effects, the relative permeability curve may be wrong. This paper proposes a new stability factor method, which ca
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25

Iravani, Mohammad Ali, Jacques Deparis, Hossein Davarzani, Stéfan Colombano, Roger Guérin, and Alexis Maineult. "Complex Electrical Resistivity and Dielectric Permittivity Responses to Dense Non-aqueous Phase Liquids' Imbibition and Drainage in Porous Media: A Laboratory Study." Journal of Environmental and Engineering Geophysics 25, no. 4 (2020): 557–67. http://dx.doi.org/10.32389/jeeg20-050.

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The effective techniques for remediation of sites polluted by dense non-aqueous phase liquids (DNAPLs) remains a challenge. Among the various technical monitoring methods, there is an increasing interest in studying the geophysical characteristics of contaminated soils, as indicators of the progress in clean-up programs. This work sought to investigate the variation of the electrical complex resistivity and the relative permittivity by analyzing the results obtained from spectral induced polarization (SIP) and time domain reflectometry (TDR). Different series of measurements during drainage an
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26

Ansari, Md Irshad, and Suresh Kumar Govindarajan. "NUMERICAL INVESTIGATION ON THE IMPACT OF INITIAL WATER SATURATION DISTRIBUTION ON HOT WATER FLOODING PERFORMANCE UNDER NON-ISOTHERMAL CONDITIONS." Rudarsko-geološko-naftni zbornik 38, no. 2 (2023): 143–55. http://dx.doi.org/10.17794/rgn.2023.2.11.

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The heterogeneity in the spatial distribution of initial water saturation influences the performance of hot water flooding. The prospect of a reduction in oil recovery arises from the development of viscous instability. In the present study, a numerical simulation model has been developed by coupling heat transport, and multiphase flow in porous media integrated with the non-isothermal flow, and the numerical model has been verified with the existing analytical solution by Buckley and Leverett. The formation of a wavy temperature profile at the condensation front was found with a decreased dep
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27

Bhat, Sourabh P., B. V. Rathish Kumar, Shainath Ramesh Kalamkar, Vinay Kumar, Sudhir Pathak, and Walter Schneider. "Modeling and simulation of the potential indoor airborne transmission of SARS-CoV-2 virus through respiratory droplets." Physics of Fluids 34, no. 3 (2022): 031909. http://dx.doi.org/10.1063/5.0085495.

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Respiratory viruses are transported from an infected person to other neighboring people through respiratory droplets. These small droplets are easily advected by air currents in a room and can potentially infect others. In this work, the spread of droplets released during coughing, talking, and normal breathing is numerically analyzed in a typical conference room setting. The room space is occupied by ten people, with eight people sitting around a conference table and two people standing. Four different scenarios are considered, with the air-conditioning turned on/off and people wearing/not-we
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28

Li, Qingping, Shuxia Li, Shuyue Ding, Zhenyuan Yin, Lu Liu, and Shuaijun Li. "Numerical Simulation of Gas Production and Reservoir Stability during CO2 Exchange in Natural Gas Hydrate Reservoir." Energies 15, no. 23 (2022): 8968. http://dx.doi.org/10.3390/en15238968.

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The prediction of gas productivity and reservoir stability of natural gas hydrate (NGH) reservoirs plays a vital role in the exploitation of NGH. In this study, we developed a THMC (thermal-hydrodynamic-mechanical-chemical) numerical model for the simulation of gas production behavior and the reservoir response. The model can describe the phase change, multiphase flow in porous media, heat transfer, and deformation behavior during the exploitation of NGH reservoirs. Two different production scenarios were employed for the simulation: depressurization and depressurization coupled with CO2 excha
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29

Bai, Xue, Jian Tian, Na Jia, and Ezeddin Shirif. "A Novel Tripod Methodology of Scrutinizing Two-Phase Fluid Snap-Off in Low Permeability Formations from the Microscopic Perspective." Energies 15, no. 17 (2022): 6141. http://dx.doi.org/10.3390/en15176141.

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According to the requirements of carbon-neutral development, this study explores the comparison and new discussion of replacing nitrogen with carbon dioxide in the conventional two-phase microfluid flow. Thus, carbon dioxide application in various fields can be more precise and convenient. This research uses an artificially continuously tapering micro model to mimic the natural rock channel in low permeability formation, where the liquid imbibition process is entirely under surface tension-dominant. The tested capillary number decreased to 8.49 × 10−6, and the thinnest observed liquid film was
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30

Adler, P. M., and H. Brenner. "Multiphase Flow in Porous Media." Annual Review of Fluid Mechanics 20, no. 1 (1988): 35–59. http://dx.doi.org/10.1146/annurev.fl.20.010188.000343.

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31

Higdon, J. J. L. "Multiphase flow in porous media." Journal of Fluid Mechanics 730 (July 30, 2013): 1–4. http://dx.doi.org/10.1017/jfm.2013.296.

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AbstractMultiphase flows in porous media represent fluid dynamics problems of great complexity involving a wide range of physical phenomena. These flows have attracted the attention of an impressive group of renowned researchers and have spawned a number of classic problems in fluid dynamics. These multiphase flows are perhaps best known for their importance in oil recovery from petroleum reservoirs, but they also find application in novel areas such as hydrofracturing for natural gas recovery. In a recent article, Zinchenko & Davis (J. Fluid Mech. 2013, vol. 725, pp. 611–663) present comp
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32

Adler, Pierre M. "Multiphase flow in porous media ? Preface." Transport in Porous Media 20, no. 1-2 (1995): 1. http://dx.doi.org/10.1007/bf00616922.

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33

Parker, J. C. "Multiphase flow and transport in porous media." Reviews of Geophysics 27, no. 3 (1989): 311. http://dx.doi.org/10.1029/rg027i003p00311.

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34

Rangel-German, Edgar, Serhat Akin, and Louis Castanier. "Multiphase-flow properties of fractured porous media." Journal of Petroleum Science and Engineering 51, no. 3-4 (2006): 197–213. http://dx.doi.org/10.1016/j.petrol.2005.12.010.

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35

Bekri, S., and P. M. Adler. "Dispersion in multiphase flow through porous media." International Journal of Multiphase Flow 28, no. 4 (2002): 665–97. http://dx.doi.org/10.1016/s0301-9322(01)00089-1.

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36

Papamichos, Euripides. "Erosion and multiphase flow in porous media." European Journal of Environmental and Civil Engineering 14, no. 8-9 (2010): 1129–54. http://dx.doi.org/10.1080/19648189.2010.9693284.

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37

Christie, M. A. "Flow in porous media — scale up of multiphase flow." Current Opinion in Colloid & Interface Science 6, no. 3 (2001): 236–41. http://dx.doi.org/10.1016/s1359-0294(01)00087-5.

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38

Nimvari, M. E., and M. J. Gibbons. "Multiphase flow simulation in hybrid porous structure." Journal of Physics: Conference Series 2766, no. 1 (2024): 012066. http://dx.doi.org/10.1088/1742-6596/2766/1/012066.

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Abstract Recent research has primarily focused on creating biporous and hybrid porous structures with multiple pore sizes and length scales to optimize capillary pressure and permeability. Despite numerous experimental investigations on biporous and hybrid media, there is a noticeable absence of numerical simulations that explore the multiphase flow within these media. Therefore, the present study aims to conduct a pore-scale numerical simulation of two-phase flow in a biporous structure. The biporous structure is proposed by arranging clusters of solid particles in a staggered regular pattern
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39

LEI, G., P. C. DONG, S. Y. MO, S. H. GAI, and Z. S. WU. "A NOVEL FRACTAL MODEL FOR TWO-PHASE RELATIVE PERMEABILITY IN POROUS MEDIA." Fractals 23, no. 02 (2015): 1550017. http://dx.doi.org/10.1142/s0218348x15500176.

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Multiphase flow in porous media is very important in various scientific and engineering fields. It has been shown that relative permeability plays an important role in determination of flow characteristics for multiphase flow. The accurate prediction of multiphase flow in porous media is hence highly important. In this work, a novel predictive model for relative permeability in porous media is developed based on the fractal theory. The predictions of two-phase relative permeability by the current mathematical models have been validated by comparing with available experimental data. The predict
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40

Dullien, F. A. L. "Capillary Effects and Multiphase Flow in Porous Media." Journal of Porous Media 1, no. 1 (1998): 1–29. http://dx.doi.org/10.1615/jpormedia.v1.i1.20.

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41

Allen, Myron B. "Numerical modelling of multiphase flow in porous media." Advances in Water Resources 8, no. 4 (1985): 162–87. http://dx.doi.org/10.1016/0309-1708(85)90062-4.

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42

Pesavento, Francesco, Bernhard A. Schrefler, and Giuseppe Sciumè. "Multiphase Flow in Deforming Porous Media: A Review." Archives of Computational Methods in Engineering 24, no. 2 (2016): 423–48. http://dx.doi.org/10.1007/s11831-016-9171-6.

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43

Aryana, Saman A., and Anthony R. Kovscek. "Nonequilibrium Effects and Multiphase Flow in Porous Media." Transport in Porous Media 97, no. 3 (2013): 373–94. http://dx.doi.org/10.1007/s11242-013-0129-y.

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44

Chen, Songhua, Fangfang Qin, Kyung-Hoe Kim, and A. Ted Watson. "NMR imaging of multiphase flow in porous media." AIChE Journal 39, no. 6 (1993): 925–34. http://dx.doi.org/10.1002/aic.690390602.

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45

Helmig, Rainer, Bernd Flemisch, Markus Wolff, Anozie Ebigbo, and Holger Class. "Model coupling for multiphase flow in porous media." Advances in Water Resources 51 (January 2013): 52–66. http://dx.doi.org/10.1016/j.advwatres.2012.07.003.

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46

Frisken, B. J., Andrea J. Liu, and David S. Cannell. "Critical Fluids in Porous Media." MRS Bulletin 19, no. 5 (1994): 19–24. http://dx.doi.org/10.1557/s0883769400036526.

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The behavior of fluids confined in porous materials has been of interest to engineers and scientists for many decades. Among the applications driving this research are the use of porous membranes to achieve liquid-liquid separations and to deionize water, the use of porous materials as beds for catalysis, and the need to extract liquids (especially oil and water) from such media. Many of these applications depend on transport, which is governed by flow or diffusion in the imbibed fluids. Both the flow and diffusion of multiphase fluids in porous media, however, strongly depend on the morpholog
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47

Blunt, Martin J. "Flow in porous media — pore-network models and multiphase flow." Current Opinion in Colloid & Interface Science 6, no. 3 (2001): 197–207. http://dx.doi.org/10.1016/s1359-0294(01)00084-x.

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48

Guan, Cuo, Xianjie Li, Ke Hu, Chen Liu, Hong Du, and Ruokun Xian. "Development and Application of a Percolation Velocity Monitoring Method in Multiphase Percolation Physical Experiments." Geofluids 2024 (April 20, 2024): 1–10. http://dx.doi.org/10.1155/2024/5525827.

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Unlike conventional single-phase seepage monitoring methods, monitoring multiphase flow in porous media is more complex. This paper addresses this complexity by analyzing the heat transfer in porous media models under multiphase seepage conditions. It introduces a set of theories, methods, and devices to effectively monitor the flow velocity in multiphase seepage processes. Utilizing a self-developed single-point self-heating temperature-sensing device combined with saturation testing at monitoring points, we establish a method to determine the relationship between different saturation and res
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49

Bedeaux, Dick, and Signe Kjelstrup. "Fluctuation-Dissipation Theorems for Multiphase Flow in Porous Media." Entropy 24, no. 1 (2021): 46. http://dx.doi.org/10.3390/e24010046.

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A thermodynamic description of porous media must handle the size- and shape-dependence of media properties, in particular on the nano-scale. Such dependencies are typically due to the presence of immiscible phases, contact areas and contact lines. We propose a way to obtain average densities suitable for integration on the course-grained scale, by applying Hill’s thermodynamics of small systems to the subsystems of the medium. We argue that the average densities of the porous medium, when defined in a proper way, obey the Gibbs equation. All contributions are additive or weakly coupled. From t
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Jeong, Boyoung, Yumeng Zhao, Dong-Hun Kang, and Sheng Dai. "An experimental study of the effect of motile bacteria on the fluid displacement in porous media." E3S Web of Conferences 205 (2020): 08008. http://dx.doi.org/10.1051/e3sconf/202020508008.

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Abstract:
Multiphase flow patterns in porous media largely depend on the properties of the fluids and interfaces such as viscosity, surface tension, and contact angle. Microorganisms in soils change the fluid and interfacial properties, and thus can alter multiphase fluid flow in porous media. This study investigates the impact of motile bacterium Escherichia coli (E. coli) on fluid displacement patterns in a microfluidic chip. The fluid displacement is observed during the saturation and the desaturation processes of the microfluidic chip with and without E.coli suspension. Time-lapse photography result
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