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 …

Pore-scale modeling of multiphase reactive transport with phase transitions and dissolution-precipitation processes in closed systems

L Chen, Q Kang, BA Robinson, YL He, WQ Tao - Physical Review E—Statistical …, 2013 - APS
A pore-scale model based on the lattice Boltzmann (LB) method is developed for multiphase
reactive transport with phase transitions and dissolution-precipitation processes. The model …

Pore-scale mass and reactant transport in multiphase porous media flows

A Parmigiani, C Huber, O Bachmann… - Journal of Fluid …, 2011 - cambridge.org
Reactive processes associated with multiphase flows play a significant role in mass
transport in unsaturated porous media. For example, the effect of reactions on the solid …

Viscous fingering of a miscible reactive A+ B→ C interface: a linear stability analysis

SH Hejazi, PMJ Trevelyan, J Azaiez… - Journal of Fluid …, 2010 - cambridge.org
When one solution of reactant A is displacing another miscible solution of reactant B, a
miscible product C can be generated in the contact zone if a simple A+ B→ C chemical …

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 …

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 …

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 …

Viscous fingering of a miscible reactive A+ B→ C interface for an infinitely fast chemical reaction: Nonlinear simulations

Y Nagatsu, A De Wit - Physics of fluids, 2011 - pubs.aip.org
Nonlinear dynamics of miscible viscous fingering is analyzed numerically for a reactive
system when a solution containing a reactant A is displacing another miscible solution …

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 …