Lattice Boltzmann simulations for multi-scale chemical engineering

HEA Van den Akker - Current Opinion in Chemical Engineering, 2018 - Elsevier
Highlights•Lattice Boltzmann models have a firm and sound basis in mesoscopic physics.•
Computationally, Lattice Boltzmann methods outclass other simulation techniques.•The …

Unified preserving properties of kinetic schemes

Z Guo, J Li, K Xu - Physical Review E, 2023 - APS
The kinetic theory provides a physical basis for developing multiscale methods for gas flows
covering a wide range of flow regimes. A particular challenge for kinetic schemes is whether …

Mesoscopic model for disjoining pressure effects in nanoscale thin liquid films and evaporating extended meniscuses

Z Hu, S Gong - Langmuir, 2023 - ACS Publications
Disjoining pressure effect is the key to describe contact line dynamics, micro/nanoscale
liquid–vapor phase change heat transfer, and liquid transport in nanopores. In this paper, by …

Improved well-balanced free-energy lattice Boltzmann model for two-phase flow with high Reynolds number and large viscosity ratio

C Zhang, Z Guo, LP Wang - Physics of Fluids, 2022 - pubs.aip.org
Spurious velocities and inaccurate density properties arising from the imbalance of
discretized forces at discrete level are frequently observed in numerical simulation of …

[HTML][HTML] A bounce back-immersed boundary-lattice Boltzmann model for curved boundary

Z Wang, Y Wei, Y Qian - Applied Mathematical Modelling, 2020 - Elsevier
In this paper, a bounce back-immersed boundary-lattice Boltzmann model (BB-IB-LBM) is
proposed for curved boundary. In the present model, a modified density distribution function …

Field trap effect on pool boiling enhancement in a non-uniform electric field: A numerical study

JD Yao, Y Zhang, XP Luo, K Luo, J Wu, HL Yi - Physics of Fluids, 2023 - pubs.aip.org
In this paper, the effect of a non-uniform electric field on pool boiling is investigated by using
the pseudopotential lattice Boltzmann model and the leaky dielectric model. The focus of the …

Coalescence-induced bubble departure: effects of dynamic contact angles

P Zhao, Z Hu, P Cheng, R Huang, S Gong - Langmuir, 2022 - ACS Publications
Coalescence-induced bubble departure is a common phenomenon in boiling and gas
evolution reactions, which has significant impacts on the heat/mass transport. In this work …

[HTML][HTML] Deciphering surface tension effects of double cavitation bubbles interaction: A lattice Boltzmann study

X He, X Song, J Zhang, H Peng, S Zhou - International Journal of Thermal …, 2023 - Elsevier
A modified double distribution function thermal lattice Boltzmann method is employed to
study the influences of surface tension on the interaction between two equal-sized and two …

An effective pseudo-potential lattice Boltzmann model with extremely large density ratio and adjustable surface tension

Z Qin, J Zhu, W Chen, C Li, B Wen - Physics of Fluids, 2022 - pubs.aip.org
The pseudo-potential lattice Boltzmann (LB) model is versatile in modeling multiphase flows
since the mesoscopic interaction potential enables it to directly describe the nonideal effect …

Temperature-and curvature-dependent surface tensions and Tolman lengths for real fluids: A mesoscopic investigation

S Gong, Z Hu, L Dong, P Cheng - Physics of Fluids, 2023 - pubs.aip.org
The curvature and temperature dependency of the liquid-vapor surface tension has a
significant influence on the accurate prediction of the nanobubble/nanodrop nucleation …