CFD simulation of fluidized bed reactors for polyolefin production–A review

MJH Khan, MA Hussain, Z Mansourpour… - Journal of Industrial and …, 2014 - Elsevier
This literature survey focuses on the application of computational fluid dynamics (CFD) in
various aspects of the fluidized bed reactor. Although fluidized bed reactors are used in …

Non-intrusive measurement and hydrodynamics characterization of gas–solid fluidized beds: a review

J Sun, Y Yan - Measurement Science and Technology, 2016 - iopscience.iop.org
Gas–solid fluidization is a well-established technique to suspend or transport particles and
has been applied in a variety of industrial processes. Nevertheless, our knowledge of …

Euler-Euler CFD modeling of fluidized bed: Influence of specularity coefficient on hydrodynamic behavior

C Loha, H Chattopadhyay, PK Chatterjee - Particuology, 2013 - Elsevier
Euler-Euler two-fluid model is used to simulate the hydrodynamics of gas–solid flow in a
bubbling fluidized bed with Geldert B particles where the solid property is calculated by …

Computational fluid dynamics modeling of gas-solid fluidized bed reactor: Influence of numerical and operating parameters

V Akbari, TNG Borhani, A Shamiri… - Experimental and …, 2024 - Springer
In this paper, the most influential parameters (numerical and operating parameters) affecting
the performance of fluidized bed reactors are studied. The investigated parameters are …

The generality of the standard 2D TFM approach in predicting bubbling fluidized bed hydrodynamics

S Cloete, A Zaabout, ST Johansen… - Powder Technology, 2013 - Elsevier
Hydrodynamic simulations of a pseudo-2D bubbling fluidized bed were carried out and
compared to experiments conducted over a wide range of flow conditions. The primary …

A computational fluid dynamics model coupled with ethylene polymerization kinetics for fluidized bed polyethylene reactor

M Cai, Z Tian, Z Liu, B Liu - Powder Technology, 2022 - Elsevier
This work aims at exploring the effect of macro operating conditions on the distribution of
temperature field and chain microstructures of polymer in a gas phase ethylene …

Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles

H Wang, AS Verdugo, J Sun, J Wang, Y Yang… - Chemical Engineering …, 2020 - Elsevier
This paper studies the bubble dynamics and flow transition behavior in wet particle systems.
Non-coherent algorithm was used to quantitatively calculate the bubble diameters in a three …

Numerical investigation of biomass pyrolysis performance in a fluidized-bed reactor by a TFM-DEM hybrid model

J Wang, X Ku, J Lin - Chemical Engineering Science, 2022 - Elsevier
A hybrid model, which combines two-fluid model with discrete element method as well as a
multi-component and multi-step pyrolysis scheme, has been developed to simulate biomass …

Heterogeneity analysis of gas–solid flow hydrodynamics in a pilot-scale fluidized bed reactor

J Liao, L Zhu, Z Luo - Chinese Journal of Chemical Engineering, 2022 - Elsevier
Mesoscale drag model is of crucial significance for the reliability and accuracy in coarse-grid
Eulerian–Eulerian two-fluid model (TFM) simulations of gas–solid flow hydrodynamics in …

Simulation on hydrodynamics of non-spherical particulate system using a drag coefficient correlation based on artificial neural network

SN Yan, TY Wang, TQ Tang, AX Ren, YR He - Petroleum Science, 2020 - Springer
Fluidization of non-spherical particles is very common in petroleum engineering.
Understanding the complex phenomenon of non-spherical particle flow is of great …