[HTML][HTML] Progress in CFD simulations of fluidized beds for chemical and energy process engineering
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 …
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 …
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 …
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 …
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
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 …
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
Spatiotemporal coherent structures are critical in quantifying the hydrodynamics of dense
gas–solid flows. In this study, two data-driven methods, proper orthogonal decomposition …
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
Filtered mesoscale model can be formulated from highly-resolved continuum or discrete
simulations. The embedded microscopic homogeneous drag closure (HDC) is of key …
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
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 …
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
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 …
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
An accurate drag correlation accounting for multiscale heterogeneous porous structures is a
prerequisite for reliable CFD simulation of fluidized beds. Though particle clusters in …
prerequisite for reliable CFD simulation of fluidized beds. Though particle clusters in …