Nonequilibrium thermohydrodynamic effects on the Rayleigh-Taylor instability in compressible flows

H Lai, A Xu, G Zhang, Y Gan, Y Ying, S Succi - Physical Review E, 2016 - APS
The effects of compressibility on Rayleigh-Taylor instability (RTI) are investigated by
inspecting the interplay between thermodynamic and hydrodynamic nonequilibrium …

Knudsen number effects on two-dimensional Rayleigh–Taylor instability in compressible fluid: Based on a discrete Boltzmann method

H Ye, H Lai, D Li, Y Gan, C Lin, L Chen, A Xu - Entropy, 2020 - mdpi.com
Based on the framework of our previous work [HL Lai et al., Phys. Rev. E, 94, 023106
(2016)], we continue to study the effects of Knudsen number on two-dimensional Rayleigh …

Discrete Boltzmann modeling of Rayleigh-Taylor instability in two-component compressible flows

C Lin, A Xu, G Zhang, KH Luo, Y Li - Physical Review E, 2017 - APS
A discrete Boltzmann model (DBM) is proposed to probe the Rayleigh-Taylor instability (RTI)
in two-component compressible flows. Each species has a flexible specific-heat ratio and is …

Discrete Boltzmann modeling of Rayleigh-Taylor instability: Effects of interfacial tension, viscosity, and heat conductivity

J Chen, A Xu, D Chen, Y Zhang, Z Chen - Physical Review E, 2022 - APS
The two-dimensional Rayleigh-Taylor instability (RTI) in compressible flow with
intermolecular interactions is probed via the discrete Boltzmann method. The effects of …

Morphological and non-equilibrium analysis of coupled Rayleigh–Taylor–Kelvin–Helmholtz instability

F Chen, A Xu, Y Zhang, Q Zeng - Physics of Fluids, 2020 - pubs.aip.org
In this paper, the coupled Rayleigh–Taylor–Kelvin–Helmholtz instability (RTI, KHI, and
RTKHI, respectively) system is investigated using a multiple-relaxation-time discrete …

Specific heat ratio effects of compressible Rayleigh—Taylor instability studied by discrete Boltzmann method

L Chen, H Lai, C Lin, D Li - Frontiers of Physics, 2021 - Springer
Rayleigh-Taylor (RT) instability widely exists in nature and engineering fields. How to better
understand the physical mechanism of RT instability is of great theoretical significance and …

The influences of acceleration on compressible Rayleigh–Taylor instability with non-equilibrium effects

H Lai, C Lin, Y Gan, D Li, L Chen - Computers & Fluids, 2023 - Elsevier
Rayleigh–Taylor (RT) instability is a classical interface instability of great importance in
nature and engineering fields. In this paper, the influences of acceleration on the …

Delineation of the flow and mixing induced by Rayleigh–Taylor instability through tracers

G Zhang, A Xu, D Zhang, Y Li, H Lai, X Hu - Physics of Fluids, 2021 - pubs.aip.org
Rayleigh–Taylor-instability (RTI) induced flow and mixing are of great importance in both
nature and engineering scenarios. To capture the underpinning physics, tracers are …

Effects of the initial perturbations on the Rayleigh—Taylor—Kelvin—Helmholtz instability system

F Chen, A Xu, Y Zhang, Y Gan, B Liu, S Wang - Frontiers of Physics, 2022 - Springer
The effects of initial perturbations on the Rayleigh—Taylor instability (RTI), Kelvin—
Helmholtz instability (KHI), and the coupled Rayleigh—Taylor—Kelvin—Helmholtz instability …

Late-time description of immiscible Rayleigh–Taylor instability: A lattice Boltzmann study

H Liang, Z Xia, H Huang - Physics of Fluids, 2021 - pubs.aip.org
In this paper, the late-time description of immiscible Rayleigh–Taylor instability (RTI) in a
long duct is numerically investigated over a comprehensive range of the Reynolds numbers …