[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 …

Continuum theory for dense gas-solid flow: A state-of-the-art review

J Wang - Chemical Engineering Science, 2020‏ - Elsevier
Gas-solid fluidization technology has been commercialized in many industrial applications
since its implementation in the fluid catalytic cracking process in the early 1940s, however …

[HTML][HTML] Multi-scale numerical simulation of fluidized beds: Model applicability assessment

S Wang, C Hu, K Luo, J Yu, J Fan - Particuology, 2023‏ - Elsevier
In the past few decades, multi-scale numerical methods have been developed to model
dense gas-solid flow in fluidized beds with different resolutions, accuracies, and efficiencies …

Multiscale structures in particle–fluid systems: Characterization, modeling, and simulation

W Ge, Q Chang, C Li, J Wang - Chemical Engineering Science, 2019‏ - Elsevier
This article reviews the general features of the multiscale structures in particle–fluid systems
and the characterization, modeling, and simulation methods for these systems. The …

Numerical simulations on the flow regime characteristics of horizontal pneumatic conveying using CFD-DEM

J Zhou, Y Xu, X Guo, W Cai, X Wei, H Jiang - Powder Technology, 2024‏ - Elsevier
To elucidate the flow regime characteristics and boundary conditions of gas-solid two-phase
flow in horizontal pipe pneumatic conveying, the flow characteristics were studied based on …

Scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple-chamber fluidized beds

B Lan, J Xu, P Zhao, Z Zou, J Wang, Q Zhu - Chemical Engineering Science, 2021‏ - Elsevier
A GPU-based, massively parallel coarse-grained CFD-DEM method was adapted to study
the scale-up effect of residence time distribution of polydisperse particles in continuously …

Multiscale Eulerian CFD of chemical processes: A review

SI Ngo, YI Lim - ChemEngineering, 2020‏ - mdpi.com
This review covers the scope of multiscale computational fluid dynamics (CFD), laying the
framework for studying hydrodynamics with and without chemical reactions in single and …

Effect of Bubbling/Spouting Behavior on Dynamics of Segregation of Particles with Different Size and Density Ratios

S Parvathaneni, S Karmakar… - Industrial & Engineering …, 2024‏ - ACS Publications
Local bubbling/spouting behavior significantly influences the segregation/mixing of particles
in several chemical and energy generation processes. In the present work, we performed …

CPFD study of a full-loop three-dimensional pilot-scale circulating fluidized bed based on EMMS drag model

Q Tu, H Wang - Powder Technology, 2018‏ - Elsevier
For the purpose of process optimization and scale-up, coupling energy-minimization multi-
scale (EMMS) drag model with computational particle fluid dynamics (CPFD) is a good …

Numerical investigation and comparison of coarse grain CFD–DEM and TFM in the case of a 1 MWth fluidized bed carbonator simulation

A Nikolopoulos, A Stroh, M Zeneli, F Alobaid… - Chemical Engineering …, 2017‏ - Elsevier
This work focuses on a comparison between the Euler-Euler Two Fluid Model (TFM)
approach and the coupled coarse grain discrete element CFD-DEM numerical model for the …