[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 …

Coarse-grain dem modelling in fluidized bed simulation: A review

A Di Renzo, ES Napolitano, FP Di Maio - Processes, 2021 - mdpi.com
In the last decade, a few of the early attempts to bring CFD-DEM of fluidized beds beyond
the limits of small, lab-scale units to larger scale systems have become popular. The …

Comparative CFD modeling of a bubbling bed using a Eulerian–Eulerian two-fluid model (TFM) and a Eulerian-Lagrangian dense discrete phase model (DDPM)

M Adnan, J Sun, N Ahmad, JJ Wei - Powder Technology, 2021 - Elsevier
Abstract Eulerian–Eulerian and Eulerian-Lagrangian numerical approaches are both widely
used to investigate hydrodynamic behavior in dense gas-solid fluidized bed reactors, yet …

CFD simulation of a spouted bed: Comparison between the Discrete Element Method (DEM) and the Two Fluid Model (TFM)

C Moliner, F Marchelli, N Spanachi… - Chemical Engineering …, 2019 - Elsevier
A spouted bed was simulated through two Computational Fluid Dynamic models: CFD-TFM
and CFD-DEM. The two models were compared and validated with data from literature …

CFD-DEM simulation of air-blown gasification of biomass in a bubbling fluidized bed gasifier: Effects of equivalence ratio and fluidization number

IS Hwang, J Sohn, U Do Lee, J Hwang - Energy, 2021 - Elsevier
In this study, air-blown gasification of biomass in a bubbling fluidized bed (BFB) gasifier was
numerically investigated. A discrete element model coupled with computational fluid …

Comprehensive investigation and comparison of TFM, DenseDPM and CFD-DEM for dense fluidized beds

P Ostermeier, S DeYoung, A Vandersickel… - Chemical Engineering …, 2019 - Elsevier
Abstract Eulerian-Eulerian and Eulerian-Lagrangian models are widely applied to
numerically investigate dense solid-gas fluidized bed systems. However, only a few studies …

Long-time simulation of catalytic MTO reaction in a fluidized bed reactor with a coarse-grained discrete particle method—EMMS-DPM

X Liu, J Xu, W Ge, B Lu, W Wang - Chemical Engineering Journal, 2020 - Elsevier
Long-time behaviors widely exist in gas–solid reactors, eg, the coke deposition and catalyst
deactivation in the methanol to olefins (MTO) process. Due to the limitation of the …

Comparison of CFD-DEM and TFM approaches for the simulation of the small scale challenge problem 1

M Lungu, J Siame, L Mukosha - Powder Technology, 2021 - Elsevier
The open source code MFIX is used to perform CFD-DEM and TFM simulations based on
the small scale challenge problem 1 fluidized bed set up. The basic flow features such as …

Study of high-pressure air curtain and combined dedusting of gas water spray in multilevel ore pass based on CFD-DEM

Y Wang, Z Jiang, J Chen, J Chen, M Wang - Advanced Powder Technology, 2019 - Elsevier
In order to solve the problem of dust pollution caused by ore unloading in ore pass, this
paper, taking Li Lou Mining as a case study, conducted the wind speed variation law in the …

[HTML][HTML] CFD–DEM study of gas–solid flow characteristics in a fluidized bed with different diameter of coarse particles

L Zhou, W Lv, L Bai, Y Han, J Wang, W Shi, G Huang - Energy Reports, 2022 - Elsevier
Fluidized bed is the main reactor for the heating and gasification of coal, biomass, and other
solid fuels. The diameter, density, and shape of the particles significantly affects the gas …