Soret effect on the onset of viscous dissipation thermal instability for Poiseuille flows in binary mixtures

K Ali Amar, SC Hirata, MN Ouarzazi - Physics of Fluids, 2022 - pubs.aip.org
We investigate numerically the Soret effect on the linear instability properties in convection
due to viscous dissipation in a horizontal channel filled with a binary fluid mixture. Two sets …

Weakly nonlinear dynamics of viscous dissipation instability involving Poiseuille flows of binary mixtures

KA Amar, SC Hirata, MN Ouarzazi - Physics of Fluids, 2024 - pubs.aip.org
A weakly nonlinear stability analysis is carried out to study thermal instability induced by
viscous dissipation in Poiseuille flows for binary fluid mixtures with a positive separation …

Impact of viscous dissipation, throughflow and rotation on the thermal convective instability of Jeffrey fluid in a porous medium layer

D Yadav, MK Awasthi, R Ragoju… - European Journal of …, 2025 - Elsevier
In this analysis, the collective effects of rotation, viscous dissipation and vertical throughflow
on the onset of convective movement in Jeffrey fluid saturated permeable layer is studied …

Rayleigh–Bénard instability in the presence of phase boundary and shear

C Lu, M Zhang, K Luo, J Wu, H Yi - Journal of Fluid Mechanics, 2022 - cambridge.org
We study the two-dimensional Rayleigh–Bénard instability subject to the combined effects of
a solid–liquid phase boundary and shear using linear stability theory and energy analysis …

Onset of viscous dissipation instability in plane Couette flow with temperature-dependent viscosity

A Sene, S Ben Sadek, SC Hirata, MN Ouarzazi - Energies, 2023 - mdpi.com
The conditions for the onset of dissipation thermal instability with temperature-dependent
viscosity in the plane Couette flow of a Newtonian fluid are analyzed. The studied system …

Viscous heating and instability of the adiabatic buoyant flows in a horizontal channel

A Barletta, M Celli, DAS Rees - Physics of Fluids, 2023 - pubs.aip.org
The stability of buoyant flows occurring in the mixed convection regime for a viscous fluid in
a horizontal plane-parallel channel with adiabatic walls is investigated. The basic flow …

On the thermal instability induced by viscous dissipation

A Barletta - International Journal of Thermal Sciences, 2015 - Elsevier
The effect of viscous dissipation may be the sole cause of a thermoconvective instability
either in a fluid clear of solid material or in a fluid-saturated porous medium. Several recent …

Viscous dissipation effects on the linear stability of Rayleigh-Bénard-Poiseuille/Couette convection

Y Requilé, SC Hirata, MN Ouarzazi - International Journal of Heat and Mass …, 2020 - Elsevier
We investigate how viscous dissipation changes the linear stability characteristics of
Rayleigh-Bénard-Poiseuille/Couette mixed convection flows. In addition to the contribution …

Nonlinear stability for thermal convection in a Brinkman porous material with viscous dissipation

B Straughan - Transport in Porous Media, 2020 - Springer
We investigate nonlinear stability in a model for thermal convection in a saturated porous
material using Brinkman theory, taking into account viscous dissipation effects. There are (at …

Magnetohydro-convective instability in a saturated Darcy–Brinkman medium with viscous dissipation

A Kumar, D Bhargavi, PG Siddheshwar - The European Physical Journal …, 2024 - Springer
The influence of dissipation with viscosity on magnetohydro-convective instability in a
saturated Darcy–Brinkman medium is examined. The bottom boundary is designated as …