Recent advances and perspectives of CFD–DEM simulation in fluidized bed

Z Zhao, L Zhou, L Bai, B Wang, R Agarwal - Archives of Computational …, 2024 - Springer
The coupling of computational fluid dynamics (CFD) and discrete element method (DEM)
has become an important method for studying dense fluidized beds. Since DEM can track …

Coarse-grained CFD-DEM modelling of dense gas-solid reacting flow

S Wang, Y Shen - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Dense gas-solid reacting flow is practised in many industrial processes where the particle
number may be huge and cannot be modelled using the conventional CFD-DEM approach …

[HTML][HTML] Research progress of advanced design method, numerical simulation, and experimental technology of pumps in deep-sea resource exploitation

L Ji, X He, W Li, F Tian, W Shi, L Zhou, Z Liu, Y Yang… - Water, 2024 - mdpi.com
Amid the escalating global demand for raw materials, the gradual exhaustion of terrestrial
mineral resources, and the rise in extraction costs and energy consumption, the …

Conventional and data‐driven modeling of filtered drag, heat transfer, and reaction rate in gas–particle flows

LT Zhu, B Ouyang, H Lei, ZH Luo - AIChE Journal, 2021 - Wiley Online Library
This study presents conventional and artificial neural network‐based data‐driven modeling
(DDM) methods to model simultaneously the filtered mesoscale drag, heat transfer and …

Large-eddy simulation of gas-particle two-phase jet into a supersonic crossflow

K Zhao, Z Xia, L Ma, Y Duan, J Zhang, Y Feng… - Physics of …, 2023 - pubs.aip.org
Large eddy simulation is used to study the gas-particle two-phase transverse jet in
supersonic flow. In this paper, the Eulerian method is used to simulate the fluid, and the …

Study of filtered interphase heat transfer using highly resolved CFD–DEM simulations

H Lei, LT Zhu, ZH Luo - AIChE Journal, 2021 - Wiley Online Library
Accurately predicting the complex inhomogeneous heat transfer behavior in gas–solid
fluidized beds is of fundamental importance. In this work, we constitute an enhanced filtered …

Effect of heterogeneity on interphase heat transfer for gas–solid flow: A particle-resolved direct numerical simulation

J Fu, S Chen, X Zhou - Physics of Fluids, 2022 - pubs.aip.org
Particle-resolved direct numerical simulation (PR-DNS) of flow past a particle cluster is
conducted to analyze the influence of heterogeneous particle distribution on the gas–solid …

CFD-DEM modeling of filtered fluid-particle drag and heat transfer in bidisperse gas-solid flows

H Lei, JW Liao, LT Zhu, ZH Luo - Chemical Engineering Science, 2021 - Elsevier
This work extends filtered models to investigate the influence of particle polydispersity on the
filtered fluid-particle drag and heat transfer behaviors based on well-resolved computational …

Fluidisation of spherocylindrical particles: computational fluid dynamics–Discrete element method simulation and experimental investigation

L Zhou, B Wang, Y Cao, Z Zhao… - … of Computational Fluid …, 2024 - Taylor & Francis
The fluidisation of spherocylindrical particles is often involved in the fields of biomass
combustion, drug delivery and food drying. By spherocylindrical particles, we mean …

[HTML][HTML] A dynamic multiphase turbulence model for coarse-grid simulations of fluidized gas-particle suspensions

S Rauchenzauner, S Schneiderbauer - Chemical Engineering Science, 2022 - Elsevier
Abstract The Spatially-Averaged Two-Fluid Model (SA-TFM) is a functional multiphase
turbulence model aimed at predicting the influence of unresolved meso-scale structures on …