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 …

Transport-driven chemical oscillations: A review

M Budroni, F Rossi - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
Chemical oscillators attract transversal interest not only as useful models for understanding
and controlling (bio) chemical complexity far from the equilibrium, but also as promising …

Experimental demonstration of the suppression of viscous fingering in a partially miscible system

K Iwasaki, Y Nagatsu, T Ban, J Iijima… - Physical Chemistry …, 2023 - pubs.rsc.org
Phase separation is ubiquitous in nature and technology. So far, the focus has primarily
been on phase separation occurring in the bulk phase. Recently, phase separation taking …

Chemical control of dissolution-driven convection in partially miscible systems: nonlinear simulations and experiments

MA Budroni, C Thomas, A De Wit - Physical Chemistry Chemical …, 2017 - pubs.rsc.org
Chemical reactions can impact mixing in partially miscible stratifications by affecting
buoyancy-driven convection developing when one phase dissolves into the other one in the …

Dissipative structures: From reaction-diffusion to chemo-hydrodynamic patterns

MA Budroni, A De Wit - Chaos: An Interdisciplinary Journal of …, 2017 - pubs.aip.org
The interplay of reaction and diffusion processes can trigger localized spatiotemporal
patterns when two solutions containing separate reactants A and B of an oscillating reaction …

Buoyancy-Driven Chemohydrodynamic Patterns in A+ B→ Oscillator Two-Layer Stratifications

MA Budroni, L Lemaigre, DM Escala, AD Wit - Langmuir, 2023 - ACS Publications
Chemohydrodynamic patterns due to the interplay of buoyancy-driven instabilities and
reaction–diffusion patterns are studied experimentally in a vertical quasi-two-dimensional …

Marangoni-vs. buoyancy-driven flows: competition for spatio-temporal oscillations in A+ B→ C systems

A Bigaj, MA Budroni, DM Escala… - Physical Chemistry …, 2023 - pubs.rsc.org
The emergence of self-organized behaviors such as spatio-temporal oscillations is well-
known for complex reactions involving nonlinear chemical or thermal feedback. Recently, it …

Control of Chemical Waves by Fluid Stretching and Compression

S Izumoto, DM Escala, J Heyman, T Le Borgne… - Physical review …, 2024 - APS
Oscillatory kinetics coupled to diffusion can produce traveling waves as observed in
physical, chemical, and biological systems. We show experimentally that the properties of …

Viscous fingering induced by a pH-sensitive clock reaction

DM Escala, A De Wit, J Carballido-Landeira… - Langmuir, 2019 - ACS Publications
A pH-changing clock chemical system, also known to induce changes in viscosity, is shown
experimentally to induce a viscous fingering instability during the displacement of reactive …

The briggs–rauscher reaction: A demonstration of sequential spatiotemporal patterns

Z Li, L Yuan, M Liu, Z Cheng, J Zheng… - Journal of chemical …, 2020 - ACS Publications
The Briggs–Rauscher reaction is a popular demonstration to illustrate chemical oscillations
in laboratories, classrooms, and public seminars because of its simplicity and visual appeal …