Three-dimensional visualization of viscous fingering for non-Newtonian fluids with chemical reactions that change viscosity

S Sin, T Suekane, Y Nagatsu, A Patmonoaji - Physical Review Fluids, 2019 - APS
Viscous fingering (VF) is a hydrodynamic flow instability that occurs when a less-viscous
liquid (LVL) displaces a more-viscous liquid (MVL) in porous media and takes place in either …

Miscible displacement of oils by carbon disulfide in porous media: Experiments and analysis

S Berg, S Oedai, AJ Landman, N Brussee, M Boele… - Physics of …, 2010 - pubs.aip.org
The performance of carbon disulfide (CS 2) as a novel agent for enhanced oil recovery has
been investigated by conducting a comprehensive series of core flooding experiments …

Controlled co-assembly of nanoparticles and polymer into ultralong and continuous one-dimensional nanochains

PY Kim, JW Oh, JM Nam - Journal of the American Chemical …, 2015 - ACS Publications
We report a robust one-dimensional (1D) nanoparticle-assembly strategy that uses the self-
assembly of nanoparticles with ligand and thermal controls, polyethylene glycol (PEG) with …

[HTML][HTML] Saffman–Taylor instability in yield stress fluids: Theory–experiment comparison

OA Fadoul, P Coussot - Fluids, 2019 - mdpi.com
The Saffman–Taylor instability for yield stress fluids appears in various situations where two
solid surfaces initially separated by such a material (paint, puree, concrete, yoghurt, glue …

Stability analysis of miscible viscous fingering in bingham and carreau fluids

P Jangir, R Mohan, P Chokshi - Transport in Porous Media, 2022 - Springer
A linear stability analysis is carried out to examine viscous fingering in miscible flow
displacement involving two non-Newtonian fluids. One of the fluids, either displacing or …

Turbulent drag reduction by polymers

D Bonn, Y Amarouchene, C Wagner… - Journal of Physics …, 2005 - iopscience.iop.org
The reduction of turbulent energy dissipation by addition of polymers is studied
experimentally. We first address the question of where the action of the polymers is taking …

Effects of moderate Damköhler number on miscible viscous fingering involving viscosity decrease due to a chemical reaction

Y Nagatsu, Y Kondo, Y Kato, Y Tada - Journal of fluid mechanics, 2009 - cambridge.org
We have succeeded in experimentally investigating the effects of a moderate Damköhler
number, Da (defined as the ratio between a characteristic time of fluid motion and that of a …

An experimental study on the role and contribution of the first normal stress difference and elongational viscosity in immiscible viscoelastic Saffman-Taylor instability

A Kazemi, M Norouzi, AA Nejad, M Kim, KC Kim… - … Research and Design, 2023 - Elsevier
This study experimentally examined the immiscible viscoelastic Saffman-Taylor instability
(STI) in porous media. The viscoelastic displacing fluids are solutions of glycerin, water, and …

Destabilization of a Saffman-Taylor fingerlike pattern in a granular suspension

C Chevalier, A Lindner, E Clement - Physical review letters, 2007 - APS
We study the Saffman-Taylor instability in a granular suspension formed by micrometric
beads immersed in a viscous liquid. When using an effective viscosity for the flow of the …

Particle-induced viscous fingering

F Xu, J Kim, S Lee - Journal of Non-Newtonian Fluid Mechanics, 2016 - Elsevier
Abstract The Saffman–Taylor fingering instability arises when a less viscous fluid displaces
a more viscous one inside porous media, which has been extensively studied for decades …