Chemo-hydrodynamic patterns and instabilities

A De Wit - Annual Review of Fluid Mechanics, 2020 - annualreviews.org
By modifying a physical property of a solution like its density or viscosity, chemical reactions
can modify and even trigger convective flows. These flows in turn affect the spatiotemporal …

Chemo-hydrodynamic patterns in porous media

A De Wit - … Transactions of the Royal Society A …, 2016 - royalsocietypublishing.org
Chemical reactions can interplay with hydrodynamic flows to generate chemo-hydrodynamic
instabilities affecting the spatio-temporal evolution of the concentration of the chemicals. We …

[HTML][HTML] Pore-scale simulation of miscible viscous fingering with dissolution reaction in porous media

T Lei, KH Luo - Physics of Fluids, 2021 - pubs.aip.org
Global climate change is happening but may be mitigated by the technology of geological
carbon dioxide (⁠ CO 2⁠) sequestration. To gain comprehensive insights into this approach …

Hydrodynamic fingering instability induced by a precipitation reaction

Y Nagatsu, Y Ishii, Y Tada, A De Wit - Physical review letters, 2014 - APS
We experimentally demonstrate that a precipitation reaction at the miscible interface
between two reactive solutions can trigger a hydrodynamic instability due to the buildup of a …

Experimental evidence of reaction-driven miscible viscous fingering

LA Riolfo, Y Nagatsu, S Iwata, R Maes… - Physical Review E …, 2012 - APS
An experimental demonstration of reaction-driven viscous fingering develo** when a
more viscous solution of a reactant A displaces a less viscous miscible solution of another …

Dual role of surfactant-producing reaction in immiscible viscous fingering evolution

R Tsuzuki, T Ban, M Fujimura, Y Nagatsu - Physics of Fluids, 2019 - pubs.aip.org
An experimental study on immiscible viscous fingering (VF) with chemical reaction is
described, whereby a surfactant produced in a radial Hele-Shaw cell results in a decrease in …

A numerical study on reaction-induced radial fingering instability

V Sharma, S Pramanik, CY Chen… - Journal of Fluid …, 2019 - cambridge.org
A numerical study on reaction-induced radial fingering instability Page 1 J. Fluid Mech. (2019),
vol. 862, pp. 624–638. c Cambridge University Press 2019 doi:10.1017/jfm.2018.963 624 A …

Instabilities of nanofluid flow displacements in porous media

B Dastvareh, J Azaiez - Physics of Fluids, 2017 - pubs.aip.org
Thanks to a number of advantageous characteristics, nanofluids are widely used in a variety
of fluid flow systems. In porous media flows, the presence of nanoparticles can have …

Numerical study on nonisothermal reactive viscous fingering

P Jangir, R Mohan, P Chokshi - Chemical Engineering Science, 2024 - Elsevier
The numerical study examines the dynamics of viscous fingering in a miscible flow
displacement involving an exothermic reaction between displacing and displaced fluids …

Direct and reverse chemical garden patterns grown upon injection in confined geometries

F Haudin, JHE Cartwright, A De Wit - The Journal of Physical …, 2015 - ACS Publications
Spatial precipitate patterns resulting from the growth of chemical gardens in a confined
quasi-two-dimensional horizontal geometry are studied experimentally upon radial injection …