[HTML][HTML] Mobilization of trapped oil droplet in porous media through viscoelasticity

V Dzanic, CS From, Z Wang, A Gupta, C Xie… - Physics of …, 2023 - pubs.aip.org
Viscoelastic fluids flowing through porous media have been shown to provide improvements
in oil displacement efficiency resulting from a favorable mobility ratio. In this study, we …

Pore-scale hydrodynamics of non-Newtonian power-law fluids across a partially blocked porous medium in a confined channel

S Rath, A Terzis - Journal of Non-Newtonian Fluid Mechanics, 2023 - Elsevier
Transport of non-Newtonian fluids in porous media is pervasive in many natural and
industrial applications. However, capturing the rheological behaviors of fluids by direct …

Influence of fluid rheology on multistability in the unstable flow of polymer solutions through pore constriction arrays

EY Chen, SS Datta - arXiv preprint arXiv:2407.00778, 2024 - arxiv.org
Diverse chemical, energy, environmental, and industrial processes involve the flow of
polymer solutions in porous media. The accumulation and dissipation of elastic stresses as …

Preserving large-scale features in simulations of elastic turbulence

SR Yerasi, JR Picardo, A Gupta… - Journal of Fluid …, 2024 - cambridge.org
Simulations of elastic turbulence, the chaotic flow of highly elastic and inertialess polymer
solutions, are plagued by numerical difficulties: the chaotically advected polymer …

[HTML][HTML] The interplay of plasticity and elasticity in elastoviscoplastic flows in wavy channels

MS Abdelgawad, SJ Haward, AQ Shen, ME Rosti - Physics of Fluids, 2024 - pubs.aip.org
Elastoviscoplastic (EVP) fluids, which exhibit both solid-like and liquid-like behaviors
depending on the applied stress, are critical in industrial processes involving complex …

[HTML][HTML] A mesh-free framework for high-order simulations of viscoelastic flows in complex geometries

JRC King, SJ Lind - Journal of Non-Newtonian Fluid Mechanics, 2024 - Elsevier
The accurate and stable simulation of viscoelastic flows remains a significant computational
challenge, exacerbated for flows in non-trivial and practical geometries. Here we present a …

Influence of plasticity on inertialess viscoelastic instabilities in elongational flow regimes

V Dzanic, CS From, E Sauret - Physical Review Fluids, 2024 - APS
Many important practical applications involving porous media, cosmetics, biological
systems, and food processing involve the transport of non-Newtonian fluids, which possess …

Polymer scission and molecular weight prediction in continuous abrupt contraction–expansion microchannel

G Yin, Y Nakamura, H Suzuki, F Lequeux… - Physics of Fluids, 2024 - pubs.aip.org
This study conducted a two-dimensional numerical simulation of flow in continuous abrupt
contraction–expansion microchannel, using experimental measurements as input …

Effects of contraction ratio of continuous abrupt contraction–expansion microchannels on flow regime of polyethyleneoxide solutions affected by memory and scission …

G Yin, Y Nakamura, H Suzuki, F Lequeux… - Physics of Fluids, 2024 - pubs.aip.org
This study experimentally observed the flow regime transitions of polyethylene oxide
solutions in continuous abrupt contraction–expansion microchannels with different …

Stagnation points at grain contacts generate an elastic flow instability in 3D porous media

EY Chen, CA Browne, SJ Haward, AQ Shen… - arXiv preprint arXiv …, 2024 - arxiv.org
Many environmental, energy, and industrial processes involve the flow of polymer solutions
in three-dimensional (3D) porous media where fluid is confined to navigate through complex …