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14 results for “Porous Media Flow”
Quantifying Dissolution Dynamics in Porous Media Using a Spatial Flow Focusing Profile
<p>The diverse range of patterns in porous media formed by dissolution processes depends on the relative magnitude of flow, transport, and chemical reactions at pore surfaces. However, distinguishing between regimes often relies solely on qualitative, visual comparisons of emergent structures. Here, we propose a quantitative measure capable of identifying different regimes using the concept of the spatial flow focusing profile, which segments the medium into cross sections along the flow direction to calculate the flow focusing index for each section. We employ this measure in numerical simulations of a dissolving porous medium using a pore-network model. We obtain a morphological phase diagram of dissolution patterns, which we characterize using the flow focusing profile. In particular, we demonstrate that analyzing the temporal changes in the profile allows one to quantitatively distinguish between wormholing and channeling. The transition between them is shown to be affected by the heterogeneity of the system.</p>
Temperature effect on non-Darcian flow in low-permeability porous media
<p>This dataset includes the measured threshold gradients and permeabilities of low permeability porous at 3 temperatures, and the measured hydraulic gradients and flow velocities of different permeabilities at 3 temperatures. The experiment is designed to reveal the temperature effects on the non-Darcian flow in low permeability porous media. </p>
Data, Figures and Codes for "Experimental analyses of pore-size dependent biomineralization in porous media under various flow rate and bacterial density scenarios"
<pre>This repository contains the data, codes and figures for the manuscript <br>"Experimental analyses of pore-size-dependent biomineralization in porous media under various flow rate and bacterial density scenarios". <br><br>Comments welcome. </pre>
Density driven flow in porous media by 3D print_measured data
<p>Density-driven convection in porous media constructed with 3D printed porous blocks were performed. This dataset is the measured total dissolved MEG and flux across the top interface.</p>
Dataset to "Local thermodynamic description of isothermal single-phase flow in simple porous media"
<p>This is the dataset presented in the article "Local thermodynamic description of isothermal single-phase flow in porous media" [1]. This dataset contains three files: "equilibrium.out", "equilibrium_bulk.out", and "flow.out". The first file contains data for equilibrium simulations of the porous medium, while the second file contains data for equilibrium simulations of bulk fluid, and the third file contains data for non-equilibrium simulations of the porous medium.</p> <p>[1] https://doi.org/10.1007/s11242-022-01844-x</p> <p><strong>In the file "equilibrium.out" the columns from left to right are</strong></p> <ol> <li>Temperature</li> <li>Standard deviation of the temperature</li> <li>Lattice constant</li> <li>Fluid chemical potential</li> <li>Potential energy</li> <li>Standard deviation of the potential energy</li> <li>Kinetic energy</li> <li>Standard deviation of the kinetic energy</li> <li>Fluid mass density</li> <li>Standard deviation of the fluid mass density</li> </ol> <p><strong>In the file "equilibrium_bulk.out" the columns from left to right are</strong></p> <ol> <li>Temperature</li> <li>Standard deviation of the temperature</li> <li>Fluid chemical potential</li> <li>Potential energy</li> <li>Standard deviation of the potential energy</li> <li>Kinetic energy</li> <li>Standard deviation of the kinetic energy</li> <li>Fluid mass density</li> <li>Standard deviation of the fluid mass density</li> <li>Trace of the mechanical pressure tensor divided by 3</li> <li>Standard deviation of the trace of the mechanical pressure tensor divided by 3</li> </ol> <p><strong>In the file "flow.out" the columns from left to right are</strong></p> <ol> <li>Temperature</li> <li>Standard deviation of the temperature</li> <li>Lattice constant</li> <li>Fluid chemical potential</li> <li>Passing probability of reflecting particle method (RPM)</li> <li>Mass flux</li> <li>Standard deviation of the mass flux</li> <li>Integral pressure gradient</li> <li>Standard deviation of the integral pressure</li> </ol>
Reactive Multiphase Flow in Porous Media at the Darcy Scale: a Benchmark proposal
<p>Description and data files for a "Reactive Two-phase flow Benchmark"</p> <p>Modeling reactive multiphase multicomponent flow in porous media leads to a highly nonlinear coupled system of degenerate partial differential equations and algebraic and/or ordinary differential equations, requiring special numerical treatment. The Benchmark consists of five test problems in total (both in 1D and in 2D), with varying degrees of difficulty, designed to verify the algorithms and<br> the codes dedicated to simulate coupled isothermal Hydro-Chemical processes during injection and storage of CO2 in the subsurface. It is intended to be used as a basis for comparing codes in order to better understand different couplings such as chemical reactions with two-phase flow, phase behavior with equilibrium reactions, dissolution and precipitation</p>
Dataset: High-fidelity experimental model verification for flow in fractured porous media
<p>The dataset consists of five image series of tracer experiments in fractured porous media. The images have been taken using PET imaging and are available in DICOM format. Overall, three fractured geometries have been considered, called fractip-a, fractip-b, and fractip-e. Different boundary conditions have been used, generating in total four experiments. In addition, images of simple water displacement experiments in an intact core (fractip-j) are provided, useful for extracting macroscopic hydraulic properties of the core material. All experiments are based on water displacement and use 18F-FDG tracer for PET tracking. The available DICOM images are reconstructed using 1 min x 0.4mm space-time voxels. </p> <p>A related data analysis based on the Darcy Scale Image Analysis toolbox DarSIA is available at 10.5281/zenodo.10410227.</p>
Dataset for WRR journal "Pore space deformation and its implications for two-phase flow through porous media: A micro-scale experimental investigation"
<p>Pressure drop, pore network model</p> <p>Calculation of REVs, strains, absolute and relative permeabilities, porosities profiles, grain size distribution, pore and throat size distribution. coordination number, aspect ratio, etc.</p>
Simulation data for: Semi-continuum modelling of unsaturated porous media flow to explain the Bauters' paradox
<p>This dataset includes the simulation data needed to create the plots for a manuscript: Semi-continuum modelling of unsaturated porous media flow to explain the Bauters' paradox. All data can be reproduced using the code of the semi-continuum model available in https://doi.org/10.5281/zenodo.6837742</p> <p>The readMe file was not included in Version 3 (all simulation data are the same as in version 3).</p>
Supporting data for Liquid fragmentation induced by particle aggregation during two-phase flow in 3D porous media
Open the record for dataset details and reuse information.
Dataset used in "Estimating Dispersion Coefficient in Flow Through Heterogeneous Porous Media by a Deep Convolutional Neural Network" by Kamrava et al. in Geophysical Research Letters.
<p>Morphology of Heterogeneous Porous Media</p>
Dataset for Viscous Dissipation and Apparent Permeability of Gas Flow in Nano-Porous Media
<p>Dataset for the Publication of 'Viscous Dissipation and Apparent Permeability of Gas Flow in Nano-Porous Media'.</p>
Videos for: Modeling 2D gravity-driven flow in unsaturated porous media for different infiltration rates
<p>This dataset contains videos of transient flow simulations in unsaturated porous media flow related to the manuscript: Modeling 2D gravity-driven flow in unsaturated porous media for different infiltration rates.</p>
Reconstruction software: 4D imaging of two-phase flow in porous media using laboratory-based micro-Computed Tomography
<p>This repository contains the dataset and the computed tomography (CT) reconstruction software used in the journal article "4D imaging of two-phase flow in porous media using laboratory-based micro-Computed Tomography". </p>
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OpenNeuro
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