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Pore-scale viscous fingering in porous media

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 … WebMar 30, 2024 · Our results suggest that the. gradual reduction of pore sizes act to restrain viscous fingering for a predictable range of flow conditions (as anticipated by gradient. percolation theory). The study provide insights into ways for suppressing unwanted interfacial instabilities in porous media, and provides design principles for new …

Pore-scale simulation of miscible displacement in porous media …

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 … WebJun 10, 2024 · I’m an experienced user researcher with a demonstrated history of working in the educational and tech industries. Skilled in both qualitative and quantitative methods, I’ve worked to translate research results into compelling insights that drive product decisions and create value. Having pivoted into UX research after getting a Doctor of … graftpoetry.co.uk https://antiguedadesmercurio.com

Spatial Variance of Pore-Scale Fluid Velocities - ResearchGate

WebConsequently, LB models have been developed for simulating either viscous fingering or dissolution reaction in porous media at the pore scale. On one hand, Liu and Guo 32 32. G. … WebApr 4, 2024 · This paper presents the development of a laboratory scale apparatus and first experimental results on the characterization of fingering patterns of immiscible fluids in a porous rock (Fontainebleau sandstone), using three dimensional full-field measurements from x-ray tomography. The few existing studies that have extended experimental … WebPore-scale simulation of CO2 front progression through a porous medium has been investigated by a free energy model based on phase-field lattice Boltzmann method. Visualization of the fluids distribution in the breakthrough time reveals a strong dependence of front pattern on viscous and capillary forces interaction. graftpn wi refill propane

Pore-Scale Study of Miscible Displacements in Porous Media …

Category:Pore‐scale difference between miscible and immiscible viscous …

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Pore-scale viscous fingering in porous media

Pore-scale study on reactive mixing of miscible solutions with …

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 WebThe 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 …

Pore-scale viscous fingering in porous media

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WebWe study the impact of the wetting properties on the immiscible displacement of a viscous fluid in disordered porous media. We present a novel pore-scale model that captures wettability and dynamic effects, including the spatiotemporal nonlocality associated with interface readjustments. http://compm.rice.edu/

WebTo simulate viscous fingering phenomena of the miscible displacement process in a porous medium at the pore-scale, a numerical model based on the lattice Boltzmann model …

Web@article{osti_5463050, title = {Pore-scale difference between miscible and immiscible viscous fingering in porous media}, author = {Chen, J D}, abstractNote = {When one fluid displaces another in a porous medium, the displacement can be stable or unstable. Viscous fingering is an unstable phenomenon that occurs when a less viscous fluid displaces a … 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 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.

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 … graft politicsWebApr 8, 2024 · The heterogeneity of reservoir micro-pores and the multifractal nature of their geometric morphology control the migration of oil and gas in porous media and affect the characteristics of oil and gas accumulation and productivity at the macro-scale. In this paper, based on high-resolution x-ray microscope computer tomography (XCT), combined … graft plants sims 4WebMar 13, 2024 · Immiscible displacements in porous media are fundamentally significant for many natural processes and industrial applications. Although extensive work has been done in this field, some limitations still exist due to the difficulty to cover the large number of influencing factors. In this paper, we present a systematic study involving the coupled … china empty lotion pump bottlesWebbe 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 china empty pet toner bottleWebPore-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. … china ems epacket/eubWebThe reactive mixing processes of miscible solutions with viscous fingering in porous media have been studied using the LBM at pore scale. A series of numerical simulations about … graft polymer companies houseWebOne of the best studied pattern-formation systems of this type is the Saffman-Taylor problem ͓1,2͔: it addresses motion of two viscous, immiscible fluids in the narrow space between two parallel, flat plates known as a Hele-Shaw cell. graft politics meaning