Oscillatory instability caused by the interplay of Soret effect and cross-diffusion

B Seta, A Errarte, II Ryzhkov, MM Bou-Ali… - Physics of …, 2023 - pubs.aip.org
We show that a subtle coupling between the thermal and solutal gradients driven by the
thermodiffusion, cross-diffusion, and buoyancy force can lead to oscillatory dynamic …

[HTML][HTML] Perspective of research on diffusion: From microgravity to space exploration

A Vailati, B Šeta, MM Bou-Ali, V Shevtsova - International Journal of Heat …, 2024 - Elsevier
Liquid mixtures are fundamental model systems for the investigation of non-equilibrium
processes because they exhibit stable or unstable configurations due to their density …

Determination of diffusivities in binary fluid mixtures with various Lewis numbers as well as positive and negative Soret coefficients by the shadowgraph method

W Wu, PS Schmidt, M Piszko, C Giraudet… - The Journal of …, 2023 - pubs.aip.org
The present work demonstrates the accessibility of the Fick diffusion coefficient D 11 and/or
the thermal diffusivity a of the binary mixtures dicyclohexylmethane/diphenylmethane, n …

Cross diffusion governs an oscillatory instability in a ternary mixture with the Soret effect

B Seta, A Errarte, A Mialdun, II Ryzhkov… - Physical Chemistry …, 2023 - pubs.rsc.org
In a ternary mixture with the Soret effect, the interplay between cross-diffusion,
thermodiffusion, and convection can lead to rich and complex dynamics including spatial …

Staggered scheme for the compressible fluctuating hydrodynamics of multispecies fluid mixtures

I Srivastava, DR Ladiges, AJ Nonaka, AL Garcia… - Physical Review E, 2023 - APS
We present a numerical formulation for the solution of nonisothermal, compressible Navier-
Stokes equations with thermal fluctuations to describe mesoscale transport phenomena in …

Topical issue on Thermal non-equilibrium phenomena in fluid mixtures

B Hafskjold - The European Physical Journal E, 2022 - Springer
When a temperature difference, or gradient, is applied over a bulk fluid mixture at
equilibrium, the phenomenon known as thermodiffusion, or the Ludwig–Soret effect, may …

LTNE convection with Cattaneo effect in the solid

B Straughan - Thermal Convection with a Cattaneo Flux Law, 2024 - Springer
Local thermal non-equilibrium theory in a porous medium is a progressively important area
of modern research. This area is where the fluid in the pores may have a different …

Thermal convection with a Cattaneo flux law

B Straughan - Thermal Convection with a Cattaneo Flux Law, 2024 - Springer
This book presents an account of thermal convection in a layer of fluid heated from below
when Fourier's law is not assumed. Instead, we focus on an evolutionary equation for the …