Dispersive transport dynamics in porous media emerge from local correlations

FJ Meigel, T Darwent, L Bastin, L Goehring… - Nature …, 2022 - nature.com
Understanding and controlling transport through complex media is central for a plethora of
processes ranging from technical to biological applications. Yet, the effect of micro-scale …

Non-Gaussian diffusion near surfaces

A Alexandre, M Lavaud, N Fares, E Millan, Y Louyer… - Physical Review Letters, 2023 - APS
We study the diffusion of particles confined close to a single wall and in double-wall planar
channel geometries where the local diffusivities depend on the distance to the boundaries …

Taylor dispersion of elongated rods

AH Kumar, SJ Thomson, TR Powers, DM Harris - Physical Review Fluids, 2021 - APS
Particles transported in fluid flows, such as cells, polymers, or nanorods, are rarely spherical.
In this study, we numerically and theoretically investigate the dispersion of an initially …

Reciprocating intestinal flows enhance glucose uptake in C. elegans

Y Suzuki, K Kikuchi, K Numayama-Tsuruta… - Scientific Reports, 2022 - nature.com
Despite its physiological and pathological importance, the mechanical relationship between
glucose uptake in the intestine and intestinal flows is unclear. In the intestine of the …

Nanoparticle Taylor dispersion near charged surfaces with an open boundary

A Vilquin, V Bertin, E Raphaël, DS Dean, T Salez… - Physical review …, 2023 - APS
The dispersive spreading of microscopic particles in shear flows is influenced both by
advection and thermal motion. At the nanoscale, interactions between such particles and …

Interactions enhance dispersion in fluctuating channels via emergent flows

Y Wang, DS Dean, S Marbach… - Journal of Fluid …, 2023 - cambridge.org
Understanding particle motion in narrow channels can guide progress in numerous
applications, from filtration to vascular transport. Thermal or active fluctuations of fluid-filled …

Changing flows balance nutrient absorption and bacterial growth along the gut

A Codutti, J Cremer, K Alim - Physical Review Letters, 2022 - APS
Small intestine motility and its ensuing flow of luminal content impact both nutrient
absorption and bacterial growth. To explore this interdependence we introduce a …

Dynamic coupling of rigid in-plane pore oscillations and flow through nanoporous two-dimensional membranes

JP Martínez Cordeiro, NR Aluru - Physical Review Fluids, 2024 - APS
Most of the literature on flow through nanoporous two-dimensional membranes has focused
on static membranes under quasiequilibrium conditions. However, various studies have …

[HTML][HTML] The effect of peristalsis on dispersion in Casson fluid flow

P Nagarani, VM Job, P Murthy - Ain Shams Engineering Journal, 2024 - Elsevier
The present study examines the peristaltic flow of a non-Newtonian (Casson) fluid and
solute transport through a flexible tube. Using the long-wavelength approximation, an …

Time dependence of advection-diffusion coupling for nanoparticle ensembles

A Vilquin, V Bertin, P Soulard, G Guyard, E Raphaël… - Physical Review …, 2021 - APS
Advection-diffusion coupling can enhance particle and solute dispersion by orders of
magnitude as compared to pure diffusion, with a steady state being reached for confined …