Discrete Boltzmann multi-scale modelling of non-equilibrium multiphase flows

Y Gan, A Xu, H Lai, W Li, G Sun… - Journal of Fluid Mechanics, 2022 - cambridge.org
The aim of this paper is twofold: the first aim is to formulate and validate a multi-scale
discrete Boltzmann method (DBM) based on density functional kinetic theory for thermal …

Discrete Boltzmann modeling of high-speed compressible flows with various depths of non-equilibrium

D Zhang, A Xu, Y Zhang, Y Gan, Y Li - Physics of Fluids, 2022 - pubs.aip.org
The non-equilibrium high-speed compressible flows present wealthy applications in
engineering and science. With the deepening of Thermodynamic Non-Equilibrium (TNE) …

Study on the mechanism of shock wave and boundary layer interaction control using high-frequency pulsed arc discharge plasma

X Ma, J Fan, Y Wu, X Liu, R Xue - Physics of Fluids, 2022 - pubs.aip.org
This paper studies the response characteristics of shock wave and boundary layer
interaction (SWBLI) controlled by high-frequency pulsed arc discharge (PAD) in a Mach 2.5 …

Specific-heat ratio effects on the interaction between shock wave and heavy-cylindrical bubble: Based on discrete Boltzmann method

D Zhang, A Xu, J Song, Y Gan, Y Zhang, Y Li - Computers & Fluids, 2023 - Elsevier
Specific-heat ratio effects on the interaction between a planar shock wave and a two-
dimensional heavy-cylindrical bubble are studied by the discrete Boltzmann method …

Role of wall temperature on cavitation bubble collapse near a wall investigated using thermal lattice Boltzmann method

Y Yang, M Shan, N Su, X Kan, Y Shangguan… - … Communications in Heat …, 2022 - Elsevier
The thermal lattice Boltzmann method can be adopted to simulate cavitation bubble collapse
in heating or cooling systems. The numerical results satisfy Laplace's law and are consistent …

Study of shock wave/boundary layer interaction from the perspective of nonequilibrium effects

Y Bao, R Qiu, K Zhou, T Zhou, Y Weng, K Lin, Y You - Physics of Fluids, 2022 - pubs.aip.org
Shock wave/boundary layer interaction (SWBLI) is a widespread phenomenon in supersonic
flows and has received extensive attention. The boundary layer is generated due to viscous …

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 …

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 …

A phase-field-based lattice Boltzmann modeling of two-phase electro-hydrodynamic flows

X Liu, Z Chai, B Shi - Physics of Fluids, 2019 - pubs.aip.org
In this paper, a simple and accurate lattice Boltzmann (LB) model based on phase-field
theory is developed to study the two-phase electro-hydrodynamics flows. In this model, three …

Collaboration and competition between Richtmyer-Meshkov instability and Rayleigh-Taylor instability

F Chen, A Xu, G Zhang - Physics of fluids, 2018 - pubs.aip.org
The two-dimensional Richtmyer-Meshkov Instability (RMI) system and the coexisting system
combined with Rayleigh-Taylor Instability (RTI) are simulated with a multiple-relaxation time …