[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 …
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 …
since its implementation in the fluid catalytic cracking process in the early 1940s, however …
Filtered two‐fluid models for fluidized gas‐particle suspensions
Y Igci, AT Andrews IV, S Sundaresan… - AIChE …, 2008 - Wiley Online Library
Starting from a kinetic theory based two‐fluid model for gas‐particle flows, we first construct
filtered two‐fluid model equations that average over small scale inhomogeneities that we do …
filtered two‐fluid model equations that average over small scale inhomogeneities that we do …
A functional subgrid drift velocity model for filtered drag prediction in dense fluidized bed
JF Parmentier, O Simonin, O Delsart - AIChE Journal, 2012 - Wiley Online Library
Due to computational time limitations, fully resolved simulations using the two‐fluid model of
the flow inside industrial‐scale fluidized beds are unaffordable. The filtered approach is …
the flow inside industrial‐scale fluidized beds are unaffordable. The filtered approach is …
Eulerian simulation of heterogeneous gas–solid flows in CFB risers: EMMS-based sub-grid scale model with a revised cluster description
J Wang, W Ge, J Li - Chemical Engineering Science, 2008 - Elsevier
Gas–solid two-phase flow in CFB risers is characterized by the clustering of solid particles
producing dynamical multi-scale structures, and how to quantify such heterogeneity is a …
producing dynamical multi-scale structures, and how to quantify such heterogeneity is a …
Development of filtered Euler–Euler two-phase model for circulating fluidised bed: high resolution simulation, formulation and a priori analyses
Euler–Euler two-phase model simulations are usually performed with mesh sizes larger than
the small-scale structure size of gas–solid flows in industrial fluidised beds because of …
the small-scale structure size of gas–solid flows in industrial fluidised beds because of …
A bubble-based EMMS model for gas–solid bubbling fluidization
Z Shi, W Wang, J Li - Chemical Engineering Science, 2011 - Elsevier
An EMMS/bubbling model for gas–solid bubbling fluidized bed was proposed based on the
energy-minimization multi-scale (EMMS) method (Li and Kwauk, 1994). In this new model …
energy-minimization multi-scale (EMMS) method (Li and Kwauk, 1994). In this new model …
Neural-network-based filtered drag model for gas-particle flows
Filtered two-fluid model (fTFM) for gas-particle flows require closures for the sub-filter scale
corrections to interphase drag force and stresses, the former being more significant. In this …
corrections to interphase drag force and stresses, the former being more significant. In this …
CFD study of mixing and segregation in CFB risers: Extension of EMMS drag model to binary gas–solid flow
Abstract The Energy Minimization Multi-Scale (EMMS) drag model, using Sauter mean
particle diameter to represent real particle size distribution, has proven to be effective in …
particle diameter to represent real particle size distribution, has proven to be effective in …
A review of Eulerian simulation of Geldart A particles in gas-fluidized beds
J Wang - Industrial & Engineering Chemistry Research, 2009 - ACS Publications
Although great progress has been made in modeling the gas fluidization of Geldart B and D
particles and dilute gas− solid flow by standard Eulerian approach, researchers have shown …
particles and dilute gas− solid flow by standard Eulerian approach, researchers have shown …