Advances in the kinetics of heat and mass transfer in near-continuous complex flows

A Xu, D Zhang, Y Gan - Frontiers of Physics, 2024 - Springer
The study of macro continuous flow has a long history. Simultaneously, the exploration of
heat and mass transfer in small systems with a particle number of several hundred or less …

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 …

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 …

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 …

A second-order slip/jump boundary condition modified by nonlinear Rayleigh–Onsager dissipation factor

S Zeng, W Zhao, Z Jiang, W Chen - Physics of Fluids, 2023 - pubs.aip.org
A newly heuristic form of second-order slip/jump boundary conditions (BCs) for the Navier–
Stokes–Fourier (NSF) equations is proposed from the viewpoint of generalized …

Viscous effects on morphological and thermodynamic non-equilibrium characterizations of shock–bubble interaction

D Zhang, A Xu, Y Gan, Y Zhang, J Song, Y Li - Physics of Fluids, 2023 - pubs.aip.org
A two-fluid discrete Boltzmann model with a flexible Prandtl number is formulated to study
the shock–bubble interaction (SBI). This paper mainly focuses on the viscous effects on …

Mesoscopic Kinetic Approach of Nonequilibrium Effects for Shock Waves

R Qiu, X Yang, Y Bao, Y You, H Jin - Entropy, 2024 - mdpi.com
A shock wave is a flow phenomenon that needs to be considered in the development of high-
speed aircraft and engines. The traditional computational fluid dynamics (CFD) method …

A regularized lattice Boltzmann model with filter for multiphase flow with diffusion-dominated mass transfer considering two-film theory

H Mo, Y Yong, W Chen, J Dai, C Yang - Physics of Fluids, 2023 - pubs.aip.org
Complex flow, considering the interfacial mass transfer with the two-film theory, is always
encountered in critical industrial processes. The phase-field lattice Boltzmann method …

Numerical investigation of droplet condensation and self-propelled jumping on superhydrophobic microcolumned surfaces

B Huang, X Zhang, X Li, H Zhang, F He, P Hao… - Physics of …, 2023 - pubs.aip.org
This paper investigates the processes of droplet condensation and self-propelled jumping
on microcolumn-structured superhydrophobic surfaces with various size parameters. Using …

Dynamic of shock–bubble interactions and nonlinear evolution of ablative hydrodynamic instabilities initialed by capsule interior isolated defects

YX Liu, Z Chen, LF Wang, ZY Li, JF Wu, WH Ye… - Physics of …, 2023 - pubs.aip.org
It is believed that isolated defects within the capsule (eg, void, high-density inclusion) can be
one of the essential factors for implosion performance degradation by seeding …