Pore-scale viscous fingering in porous media

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Web2.3. Porous Media. To study the effect of permeability on displacement efficiency, two sets of porous media are used; a layers etched glass pore network and a set of Berea … WebJul 1, 2024 · Author(s): Xuanran Li (corresponding author) [1,*]; Jing Wei [2]; Lun Zhao [1]; Jun Ni [1]; Libing Fu [1]; Jincai Wang [1] 1. Introduction As one mechanism of chemical flooding, a high molecular polymer is added to a water solution to increase water viscosity and reduce water-oil mobility ratio, thereby inhibiting the fingering of the displacing phase …

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WebPore-scale simulation of miscible viscous fingering with dissolution reaction in porous media Cite as: Phys. Fluids 33 , 034134 (2024); doi: 10.1063/5.0045051 WebOm. I am an "environmentalist" Petroleum Engineer, interested in modeling and simulation of fluid flow in porous media, especially reactive flow. I have the experience of working on two-phase two-scale continuum modelling of carbonate acidizing. Currently, I am working on field scale simulations of reservoir souring, scale formation and corrosion. high schools in jersey city

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Webmeans of direct numerical simulation, the effect of spatially correlated disorder in pore size is examined for two-phase displacement in viscous fingering regime. Following the stabilisation of fluids interface (steady-state condition), the solute solution is introduced into the invading phase with lower viscosity. WebWe use confocal microscopy to directly visualize the spatial fluctuations in fluid flow through a three-dimensional porous medium. We find that the velocity magnitudes and the velocity … WebResult for: Fluids Free Full Text Inertial Effects On Dynamics Of Immiscible high schools in jefferson county alabama

Pore-Scale Study of Miscible Displacements in Porous Media …

WebIn such a porous medium, it has been proven that the monotonous change of the pore size along the flow direction can suppress the viscous fingering and capillary fingering or … WebWe utilize pore-scale direct numerical simula-tions, state-of-art experiments and analysis to derive predictive tools to evaluate effects of various parameters on controlling viscous … how many cups in a pound of corn starchWebThis paper addresses simulation of non-isothermal water-oil displacements in porous media at pore-scale. The simulation approach was done by coupling Cahn–Hilliard phase field and heat equations using COMSOL Multiphysics. Finite element method with interfacial adaptive mesh refinement was employed to solve the equation system. high schools in jimboomba

"WebA simple computer model of viscous fingering in a porous medium is presented, together with experimental results for fingering of oil into glycerine in etched-glass networks. The model treats the medium as a square lattice of connected tubes with randomly chosen … " - Pore-scale viscous fingering in porous media

Pore-scale viscous fingering in porous media

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WebViscous fingering effect ... Pore scale flow modeling enables scientists to predict fluid behavior in a network of pores at the micro-meter scale. ... Processes in porous media are naturally complex as they relate to various engineering disciplines and span multiple space and time scales. Webbe tuned by varying the microstructures of the surface. In a large-scale ﬂow conﬁguration, a viscous-ﬁngering in a Hele-Shaw cell—a convenient framework for modeling a homogeneous porous medium—can be controlled through a capillary effect. From these results, we learn that the

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WebA 17 mm I.D. glass column, packed with YMC-15 (spherical C 1 8 silica, 30 μm particles) as the stationary phase and used with carbon tetrachloride as the mobile phase provided a suitable system for the visual observation of viscous fingering inside the packed bed, after the cylindrical lens effect had been canceled. Such a system appears nearly transparent … Websimulations of the mixing processesof viscous ﬁngering in pore-scale anisotropic porous media are given in Section 3, followed by a brief summary in Section 4. 2 Governing …

WebMar 1, 2016 · A numerical model based on the lattice Boltzmann method is presented to investigate the viscous fingering phenomena of miscible displacement processes in porous media, which involves the fluid flow, heat transfer and mass transport. Especially, temperature- and concentration-dependent pore-fluid viscosity is considered. WebThermal-viscous fingering instability in porous media is a common phenomenon in nature as well as in many scientific problems and industrial applications. ... “ Unified mesoscopic …

WebThis benchmark targets the “many-pore” scale (hundreds to thousands of pores), as this is a scale large enough to manifest the collective dynamics characteristic of fluid–fluid … WebWe utilize pore-scale direct numerical simulations, state-of-art experiments and analysis to derive predictive tools to evaluate effects of various parameters on controlling viscous …

WebOct 28, 1985 · Pore-scale viscous fingering in porous media. Pore-scale viscous fingering in porous media Phys Rev Lett. 1985 Oct 28;55(18):1892-1895. doi: 10.1103/PhysRevLett.55.1892. Authors JD Chen, D Wilkinson. PMID: 10031954 DOI: 10.1103/PhysRevLett.55.1892 No abstract available ...

WebPreferential flow channeling and viscous fingering are widely observed phenomena in heterogeneous porous media from the pore scale to the core and reservoir scales. The … high schools in johannesburgWebDec 5, 2024 · In doing so, pore-scale modeling is a powerful tool for shedding light on processes at small length and time scales. In this work, we look into the multi-phase flow and transport through porous media at two different scales, namely pore- and Darcy scales. First, using direct numerical simulations, we study pore-scale Eulerian and Lagrangian ... how many cups in a pound of granulated sugarWebExperiments and pore-scale numerical simulations were combined with an analytical model for the characteristics of displacement front morphology as a function of the pore size … how many cups in a potWebThis model is based on the volume averaging of the governing equations. Interstitial quantities are obtained through means of a pore-scale model. For flow through porous media, in the Darcy regime, the interstitial fluid–solid interaction component is written in terms of the interstitial wall shear stress. how many cups in a pound of mixed nutsWebAug 18, 2011 · @article{osti_1024083, title = {Influence of Viscous and Capillary Forces on Immiscible Fluid Displacement: Pore-Scale Experimental Study in a Water-Wet Micromodel Demonstrating Viscous and Capillary Fingering}, author = {Zhang, Changyong and Oostrom, Martinus and Wietsma, Thomas W and Grate, Jay W and Warner, Marvin G}, abstractNote … high schools in jersey city njWebRESUMO. Viscous fingering in porous media during CO 2 flooding is investigated experimentally as well as numerically in this study. Experiments were accomplished in real cores saturated with simulated oil in thermostat, and the effect of CO 2 flooding is studied in homogeneous cores with differing permeability and viscosity under various pressures. . … high schools in japanWebThe phenomenon of spontaneous imbibition in porous media is of great importance in many scientific and technical fields, such as oil reservoirs and environmental engineering. In … high schools in kampala rubaga division