Microfluidic model porous media: Fabrication and applications

A Anbari, HT Chien, SS Datta, W Deng, DA Weitz… - Small, 2018 - Wiley Online Library
Complex fluid flow in porous media is ubiquitous in many natural and industrial processes.
Direct visualization of the fluid structure and flow dynamics is critical for understanding and …

Capillary-dominated fluid displacement in porous media

K Singh, M Jung, M Brinkmann… - Annual Review of Fluid …, 2019 - annualreviews.org
Liquid invasion into a porous medium is a phenomenon of great importance in both nature
and technology. Despite its enormous importance, there is a surprisingly sparse …

Perspectives on viscoelastic flow instabilities and elastic turbulence

SS Datta, AM Ardekani, PE Arratia, AN Beris… - Physical Review …, 2022 - APS
Viscoelastic fluids are a common subclass of rheologically complex materials that are
encountered in diverse fields from biology to polymer processing. Often the flows of …

Under pressure: Hydrogel swelling in a granular medium

JF Louf, NB Lu, MG O'Connell, HJ Cho, SS Datta - Science Advances, 2021 - science.org
Hydrogels hold promise in agriculture as reservoirs of water in dry soil, potentially alleviating
the burden of irrigation. However, confinement in soil can markedly reduce the ability of …

Beyond Darcy's law: The role of phase topology and ganglion dynamics for two-fluid flow

RT Armstrong, JE McClure, MA Berrill, M Rücker… - Physical Review E, 2016 - APS
In multiphase flow in porous media the consistent pore to Darcy scale description of two-fluid
flow processes has been a long-standing challenge. Immiscible displacement processes …

Wettability and Lenormand's diagram

BK Primkulov, AA Pahlavan, X Fu, B Zhao… - Journal of Fluid …, 2021 - cambridge.org
Fluid–fluid displacement in porous media has been viewed through the lens of Lenormand's
phase diagram since the late 1980s. This diagram suggests that the character of the flow is …

How viscoelastic-polymer flooding enhances displacement efficiency

A Clarke, AM Howe, J Mitchell, J Staniland, LA Hawkes - SPE Journal, 2016 - onepetro.org
Increasing flooding-solution viscosity with polymers provides a favorable mobility ratio
compared with brine flooding and hence improves volumetric sweep efficiency. Flooding …

Dynamic fluid connectivity during steady-state multiphase flow in a sandstone

CA Reynolds, H Menke, M Andrew… - Proceedings of the …, 2017 - National Acad Sciences
The current conceptual picture of steady-state multiphase Darcy flow in porous media is that
the fluid phases organize into separate flow pathways with stable interfaces. Here we …

Pore‐scale flow characterization of polymer solutions in microfluidic porous media

CA Browne, A Shih, SS Datta - Small, 2020 - Wiley Online Library
Polymer solutions are frequently used in enhanced oil recovery and groundwater
remediation to improve the recovery of trapped nonaqueous fluids. However, applications …

Pore architecture and connectivity in gas shale

HE King Jr, APR Eberle, CC Walters, CE Kliewer… - Energy & …, 2015 - ACS Publications
The pore size distribution and architecture in gas shales were studied using a combination
of small-angle neutron scattering (SANS), mercury injection capillary pressure (MICP), and …