Rigorous link between fluid permeability, electrical conductivity, and relaxation times for transport in porous media

M Avellaneda, S Torquato - Physics of Fluids A: Fluid Dynamics, 1991 - pubs.aip.org
… not sharp hecause.the mean survival time r, unlike the permeability, is relatively … relaxation
in fluid-saturated porous media by focusing attention on r instead of the NMR relaxation times.…

Assessment of the two relaxation time Lattice‐Boltzmann scheme to simulate Stokes flow in porous media

L Talon, D Bauer, N Gland, S Youssef… - Water Resources …, 2012 - Wiley Online Library
… types of porous media (straight channels, 2-D model porous media, sandstone) to … time
on the basis of permeability. We show that the variation of permeability with the free relaxation

The diffusion–spin relaxation time distribution function as an experimental probe to characterize fluid mixtures in porous media

MD Hürlimann, L Venkataramanan… - The Journal of chemical …, 2002 - pubs.aip.org
… fluid mixtures in porous media. We … relaxation time distribution function it is possible to
quantify the oil and water saturation, to get a direct indication of the wettability of the porous media, …

[HTML][HTML] A multiphase single relaxation time lattice Boltzmann model for heterogeneous porous media

GG Pereira - Applied Mathematical Modelling, 2017 - Elsevier
… single relaxation time LB method to model multiphase, immiscible flow (eg, gas and liquid or
water and oil) in a semi-porous medium. … We then apply the model to real porous media and …

Transport and relaxation phenomena in porous media

R Hilfer - Advances in chemical physics, 1996 - Wiley Online Library
… Despite its simplicity the revisited dimensional analysis allows quantitative estimates of fluid
transport rates and gravitational relaxation times based on the balance of viscous, capillary, …

A multiple-relaxation-time lattice Boltzmann model for convection heat transfer in porous media

Q Liu, YL He, Q Li, WQ Tao - International Journal of Heat and Mass …, 2014 - Elsevier
… -relaxation-time (MRT) lattice Boltzmann (LB) model is developed for simulating convection
heat transfer in porous media … the porous media is considered by introducing the porosity into …

Understanding generalized inversions of nuclear magnetic resonance transverse relaxation time in porous media

J Mitchell, TC Chandrasekera - The Journal of chemical physics, 2014 - pubs.aip.org
… The nuclear magnetic resonance transverse relaxation time T 2 , measured using the Carr-…
in porous media. Furthermore, T 2 provides structural information on the porous material itself …

The effect of clay content on the spin–spin NMR relaxation time measured in porous media

M Elsayed, G Glatz, A El-Husseiny, A Alqubalee… - ACS …, 2020 - ACS Publications
… For porous media, the internal gradient field is often attributed to the presence of … that
any clay present in a porous medium is correlated with shifts in T 2 time. Clearly, a correlation …

Free convection effects on a viscoelastic boundary layer flow with one relaxation time through a porous medium

MA Ezzat, MZ Abd-Elaal - Journal of the Franklin Institute, 1997 - Elsevier
… one relaxation time on the flow of a viscoelastic conduction fluid through a porous medium,
… free convection flow with thermal relaxation time. The resuhing formulation together with the …

Obtaining true transverse relaxation time distributions in high-field NMR measurements of saturated porous media: Removing the influence of internal gradients

J Mitchell, TC Chandrasekera… - The Journal of chemical …, 2010 - pubs.aip.org
… ) transverse relaxation measurements of porous media at high magnetic field strengths provide
only an effective relaxation time … Here, we deconvolve the diffusion and surface relaxation