Marangoni effect on Rayleigh-Taylor instability in viscous stratified fluid layers

SP Jaiswal, M Gavara - International Communications in Heat and Mass …, 2023 - Elsevier
… parameters such as density ratio, viscosity ratio and surface tension on RayleighTaylor
In this section, RayleighTaylor instability is studied for the effect of functional dependency of …

A new approach to the RayleighTaylor instability

B Gebhard, JJ Kolumbán, L Székelyhidi Jr - Archive for rational mechanics …, 2021 - Springer
… In this setting an instability known as the RayleighTaylor instability forms on the interface
between the fluids which eventually evolves into turbulent mixing. For an overview of the …

Analysis of RayleighTaylor instability at high Atwood numbers using fully implicit, non-dissipative, energy-conserving large eddy simulation algorithm

I Yilmaz - Physics of Fluids, 2020 - pubs.aip.org
… phenomenon in RayleighTaylor instability and the effects of … Results show that
RayleighTaylor instability at high Atwood … It is an advanced, algebraic eddy-viscosity model that …

RichtmyerMeshkov instability of an unperturbed interface subjected to a diffracted convergent shock

L Zou, M Al-Marouf, W Cheng, R Samtaney… - Journal of Fluid …, 2019 - cambridge.org
… centre, thus the influences of heat transfer, viscosity and molecular mixing can be ignored.
The … : visiometrics for the RayleighTaylor and RichtmyerMeshkov environments. Annu. Rev. …

Three-dimensional direct numerical simulation of RayleighTaylor instability triggered by acoustic excitation

A Sengupta, P Sundaram, VK Suman, TK Sengupta - Physics of Fluids, 2022 - pubs.aip.org
RayleighTaylor instability (RTI) occurs when the interface between two fluids of different …
for modeling bulk viscosity. Stokes' hypothesis fixes the second coefficient of viscosity as λ = …

Effects of the initial perturbations on the RayleighTaylor—Kelvin—Helmholtz instability system

F Chen, A Xu, Y Zhang, Y Gan, B Liu, S Wang - Frontiers of Physics, 2022 - Springer
… [25] demonstrated that the initial material interface morphology controls the evolution
characteristics of RichtmyerMeshkov instability (RMI). Wei et al. [27] investigated the role of the …

A dominant dimensionless number and theoretical model for the evolution of multiphase RichtmyerMeshkov instability

Y Si, S Li, B Meng, C Wang, B Tian - Physics of Fluids, 2024 - pubs.aip.org
… d ⁠, which can characterize the effect of the drag force on the fluid velocity. It considers the
particle radius, the volume fraction, and the viscosity coefficient and thus divides the flow state …

A relaxation filtering approach for two-dimensional RayleighTaylor instability-induced flows

SM Rahman, O San - Fluids, 2019 - mdpi.com
… grid resolutions, the numerical viscosity suppresses the small-… Since there is no physical
viscosity in Euler simulations, we … mixing in RichtmyerMeshkov instability problems for solving …

Numerical analysis of RichtmyerMeshkov instability of circular density interface in presence of transverse magnetic field

HH Zhang, C Zheng, N Aubry, WT Wu, ZH Chen - Physics of Fluids, 2020 - pubs.aip.org
… that for all studied problems, both RMI and Rayleigh-Taylor instability (RTI) can be effectively
… Note that there is no microscopic dissipation of any kind (viscosity, resistivity, or conduction) …

Two-and three-dimensional simulations of RayleighTaylor instabilities using a coupled Cahn–Hilliard/Navier–Stokes model

R Zanella, G Tegze, R Le Tellier, H Henry - Physics of fluids, 2020 - pubs.aip.org
… case of RayleighTaylor instability to … of RayleighTaylor instabilities in viscous fluids are
then presented to show the possibilities of this modeling. We observe the effect of the viscosity