Influence of the tangential velocity on the compressible Kelvin-Helmholtz instability with nonequilibrium effects

Y Li, H Lai, C Lin, D Li - Frontiers of Physics, 2022 - Springer
Kelvin-Helmholtz (KH) instability is a fundamental fluid instability that widely exists in nature
and engineering. To better understand the dynamic process of the KH instability, the …

Nonequilibrium and morphological characterizations of Kelvin–Helmholtz instability in compressible flows

YB Gan, AG Xu, GC Zhang, CD Lin, HL Lai, ZP Liu - Frontiers of Physics, 2019 - Springer
We investigate the effects of viscosity and heat conduction on the onset and growth of Kelvin–
Helmholtz instability (KHI) via an efficient discrete Boltzmann model. Technically, two …

Kinetic simulation of nonequilibrium Kelvin-Helmholtz instability

CD Lin, KH Luo, YB Gan, ZP Liu - Communications in Theoretical …, 2019 - iopscience.iop.org
The recently developed discrete Boltzmann method (DBM), which is based on a set of
uniform linear evolution equations and has high parallel efficiency, is employed to …

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 …

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 …

Effects of Inclined Interface Angle on Compressible Rayleigh–Taylor Instability: A Numerical Study Based on the Discrete Boltzmann Method

B Chen, H Lai, C Lin, D Li - Entropy, 2023 - mdpi.com
Rayleigh–Taylor (RT) instability is a basic fluid interface instability that widely exists in
nature and in the engineering field. To investigate the impact of the initial inclined interface …

Suppression mechanism of Kelvin-Helmholtz instability in compressible fluid flows

M Karimi, SS Girimaji - Physical review E, 2016 - APS
The transformative influence of compressibility on the Kelvin-Helmholtz instability (KHI) at
the interface between two fluid streams of different velocities is explicated. When the velocity …

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 …

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 …