Pore-scale viscous fingering in porous media

Author: jgoe

August undefined, 2024

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 …

Fluids Free Full Text Inertial Effects On Dynamics Of Immiscible

WebAbstract: We study patterns formed by the viscous fingering instability in a porous media. When the displacing fluid preferentially wets the medium, the finger width is much larger than the pore size and, when normalized by the square root of the permeability, is found to scale with capillary number as Ca −1/2.While traditional theories based on Hele-Shaw … WebExperiments 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 did ichthyosaurs breathe

Visualization of viscous fingering in chromatographic columns

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 stability of foam in porous media is extremely important for realizing the advantages of foamed gas on gas mobility reduction. Foam texture (i.e., bubbles per volume of gas) achieved is dictated by foam generation and coalescence processes occurring at the pore-level. For foam injection to be widely applied during gas injection projects, we need to … WebJan 25, 2024 · The understanding of multiphase flow phenomena occurring in porous media at the pore scale is fundamental in a significant number of fields, from life science to geo and environmental engineering. However, because of the optical opacity and the geometrical complexity of natural porous media, detailed visual characterization is not possible or is … how did ida red get out of jail

Viscous Fingering Instabilities in Porous Media

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WebThe maximum and minimum ranges of capillary number and viscosity ratio to identify both viscous and capillary fingering regions were found to be Log M ≈ −2.5, Log Ca ≈ −5, and Log M ≈ −0.5, Log Ca ≈ −5, respectively. However, the most stable displacement region was found to be located at Log M ≈ 0.5 and Log Ca ≈ −2. 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 … how did idea change special educationWebThis 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 … how did idle no more influence the government

"WebA deeper understanding of the role of residual water and its influence on gas flow behavior in coal seams is a key factor to achieve enhanced coalbed methane (CBM) production. In this study, numerical simulations were performed to study the gas–water drainage displacement in different coal lithotypes (bright coal, semi-bright coal, and semi-dull coal) … " - Pore-scale viscous fingering in porous media

Pore-scale viscous fingering in porous media

Pore-scale simulation of miscible viscous fingering with …

WebThis work led to 1 publication based on a novel numerical approach to viscous fingering in miscible displacement in a leading peer-reviewed computational physics journal. 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 …

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WebHis Mechanics research incorporates themes from Viscous fingering, Porous medium, Pore scale and Dissipation. His study in Geotechnical engineering focuses on Consolidation and Groundwater flow. His Hydrogeology research includes themes of Inverse, Inverse analysis, Finite element method, Water table and Petrology. WebInfluence of Buoyancy, Capillary, and Viscous Forces on Three-Dimensional Pore Scale Fingering Structure of Immiscible Two-Phase Flow in a Porous Medium, Proceedings of American Institute of Physics AIP Conferen Proceedings Jul 2024

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 … 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.

WebViscous fingering can have many different length scales due to the randomness. It is important to understand how the randomness on different scales affects the … 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 …

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 …

WebPore-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. … how many series of bad sistersWebA 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 … how many series of beck are thereWebThermal-viscous fingering instability in porous media is a common phenomenon in nature as well as in many scientific problems and industrial applications. ... “ Unified mesoscopic … how many series of bad education are thereWebViscous Fingering in Porous Media. Annual Review of Fluid Mechanics Vol. 19:271-311 (Volume publication date January 1987) ... field measurements, and large-scale … how many series of bergeracWebResult for: Fluids Free Full Text Inertial Effects On Dynamics Of Immiscible how many series of bancroftWebApr 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 … how many series of bletchley circle are thereWebTo 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 … how many series of baptiste are there