Effective particle diameters for simulating fluidization of non‐spherical particles: CFD‐DEM models vs. MRI measurements
Sign Up to like & getrecommendations! Published in 2017 at "Aiche Journal"
DOI: 10.1002/aic.15623
Abstract: CFD-DEM simulations were conducted and compared with magnetic resonance imaging (MRI) measurements1 of gas and particle motion in a 3D cylindrical bubbling fluidized bed. Experimental particles had a kidney-bean-like shape, while particles were simulated as… read more here.
Keywords: effective particle; particle; cfd dem; effective diameters ... See more keywords
CFD-DEM Simulation of the Fluidized-bed Granulation of Food Powders
Sign Up to like & getrecommendations! Published in 2018 at "Biotechnology and Bioprocess Engineering"
DOI: 10.1007/s12257-018-0382-6
Abstract: In this study, the granulation behavior of food powders was simulated by taking into account the changes in the rheological properties and water content of the powders. Several food powders were studied and classified into… read more here.
Keywords: granulation; powder; cfd dem; food powders ... See more keywords
Evaluation of the performance of the cross-flow air classifier in manufactured sand processing via CFD–DEM simulations
Sign Up to like & getrecommendations! Published in 2018 at "Computational Particle Mechanics"
DOI: 10.1007/s40571-017-0155-6
Abstract: Manufactured sands are particulate materials obtained as by product of rock crushing. Particle sizes in the sand can be as high as 6 mm and as low as a few microns. The concrete industry has been… read more here.
Keywords: flow air; air; cfd dem; dem simulations ... See more keywords
Investigating the fluidization of disk-like particles in a fluidized bed using CFD-DEM simulation
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.06.017
Abstract: Abstract Fluidization of monodispersed disk-like particles with different aspect ratios in the fluidized bed is simulated by CFD-DEM, with disk-like particles being modeled by the super-ellipsoids. The relatively comprehensive investigations are performed in order to… read more here.
Keywords: disk like; fluidized bed; cfd dem; like particles ... See more keywords
CFD-DEM simulations of riser geometry effect and cluster phenomena
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2021.07.007
Abstract: Abstract In this paper the influence of the inlet and outlet configurations of a pseudo-2D fluidized riser on the hydrodynamics (i.e. flow pattern and cluster characteristics) are studied. A detailed comparison between experimental data and… read more here.
Keywords: cluster; dem simulations; cfd dem; geometry ... See more keywords
CFD-DEM study of segregation and mixing characteristics under a bi-disperse solid-liquid fluidised bed
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2021.09.012
Abstract: Abstract In this work, a recent smoothed CFD-DEM model is employed to study the segregation and mixing behaviours in a bi-disperse solid–liquid fluidised bed (SLFB) with different superficial liquid velocities and wide size ratios. Here,… read more here.
Keywords: study segregation; disperse solid; liquid; segregation mixing ... See more keywords
CFD simulation of a spouted bed: Comparison between the Discrete Element Method (DEM) and the Two Fluid Model (TFM)
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.11.164
Abstract: Abstract 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, showing good agreement between experimental and simulated results. Both… read more here.
Keywords: tfm cfd; dem two; dem; spouted bed ... See more keywords
Application of a dual-grid multiscale CFD-DEM coupling method to model the raceway dynamics in packed bed reactors
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.04.025
Abstract: Abstract A CFD-DEM coupling model with dual-grid multiscale approach is used to model high-speed injection into a packed bed reactor. The present CFD-DEM coupling uses a separate coarse grid for the discrete phase (DEM model)… read more here.
Keywords: blast; model; dem coupling; dem ... See more keywords
CFD-DEM coupled with thermochemical sub-models for biomass gasification: Validation and sensitivity analysis
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115550
Abstract: Abstract A user-defined solver towards the high-fidelity CFD-DEM method with thermochemical sub-models integrating is developed based on the open-source MFIX-DEM software for simulating biomass gasification in a fluidized bed reactor. In this method, the fluid… read more here.
Keywords: sub models; cfd dem; dem; biomass gasification ... See more keywords
A CFD-DEM model for the simulation of direct reduction of iron-ore in fluidized beds
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115858
Abstract: Abstract The aim of this work is the investigation of the indirect reduction of hematite in fluidized beds and the effects of different kinetic parameters on the reduction process at a numerical level, which are… read more here.
Keywords: reduction; dem model; fluidized beds; model ... See more keywords
CFD-DEM modelling of the migration of fines in suspension flow through a solid packed bed
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.116261
Abstract: Abstract In this work, based on the unresolved CFD-DEM framework, a smoothed volume distribution model (SVDM) is developed to simulate the migration of fines in suspension flow through a solid packed bed. In this model,… read more here.
Keywords: migration fines; suspension flow; migration; cfd dem ... See more keywords