[HTML][HTML] Progress in CFD simulations of fluidized beds for chemical and energy process engineering

F Alobaid, N Almohammed, MM Farid, J May… - Progress in Energy and …, 2022 - Elsevier
Gas-solid fluidized beds have drawn the attention of engineers and researchers as an
effective technology for a large variety of applications, and numerical simulations can play …

Euler-Lagrange simulation of dense gas-solid flow with local grid refinement

P Zhao, J Xu, Q Chang, W Ge, J Wang - Powder Technology, 2022 - Elsevier
Euler-Lagrange method is powerful for studying dense gas-solid flow, where the Eulerian
grid is typically 3–5 times of particle diameter to ensure the accuracy of information mapping …

Numerical computation drives “Transport-reaction” of carbon nanotube growth processes in fluidized bed reactors—A review

C Gao, D Chu, Q Dong, X Zhao, X Zhang, W Bai… - Chemical Engineering …, 2024 - Elsevier
In the last 30 years, the growth mechanism of carbon nanotubes (CNTs) has received
significant amounts of attention. However, the exploration of data for high-temperature …

Numerical simulation of fluidization: Driven by challenges

Y Zhang, J Xu, Q Chang, P Zhao, J Wang, W Ge - Powder Technology, 2023 - Elsevier
In the century-long development of fluidization technology, simulation methods have
evolved in response to scientific and engineering demands, which in turn have produced …

[HTML][HTML] A comprehensive comparison of Two-Fluid Model, Discrete Element Method and experiments for the simulation of single-and multiple-spout fluidized beds

B Esgandari, S Rauchenzauner, C Goniva… - Chemical Engineering …, 2023 - Elsevier
We employ a two-fluid model (TFM) as well as a computational fluid dynamics coupled to
discrete element method (CFD-DEM) approach to study the time averaged hydrodynamics …

Data-driven identification of coherent structures in gas–solid system using proper orthogonal decomposition and dynamic mode decomposition

D Li, B Zhao, J Wang - Physics of Fluids, 2023 - pubs.aip.org
Spatiotemporal coherent structures are critical in quantifying the hydrodynamics of dense
gas–solid flows. In this study, two data-driven methods, proper orthogonal decomposition …

Analysis and development of homogeneous drag closure for filtered mesoscale modeling of fluidized gas-particle flows

LT Zhu, XZ Chen, ZH Luo - Chemical Engineering Science, 2021 - Elsevier
Filtered mesoscale model can be formulated from highly-resolved continuum or discrete
simulations. The embedded microscopic homogeneous drag closure (HDC) is of key …

Comparison of CFD-DEM and TFM simulations of single bubble injection in 3D gas-fluidized beds with MRI results

K Xi, Q Guo, CM Boyce - Chemical Engineering Science, 2021 - Elsevier
Predictions for bubble and particle dynamics surrounding a single bubble injected into an
incipiently cylindrical fluidized bed from CFD-DEM and TFM simulations using different drag …

Cartesian grid simulation of reacting gas-solid flow using CFD-DEM-IBM method

P Zhao, J Xu, B Zhao, D Li, J Wang - Powder Technology, 2022 - Elsevier
The computational fluid dynamics-discrete element-immersed boundary method (CFD-DEM-
IBM method) is extended to simulate the decomposition of ozone in a cylindrical bubbling …

Drag correlations for flow past monodisperse arrays of spheres and porous spheres based on symbolic regression: Effects of permeability

L Ma, Q Guo, X Li, S Xu, J Zhou, M Ye, Z Liu - Chemical Engineering …, 2022 - Elsevier
An accurate drag correlation accounting for multiscale heterogeneous porous structures is a
prerequisite for reliable CFD simulation of fluidized beds. Though particle clusters in …