CFD modeling to study fluidized bed combustion and gasification

RI Singh, A Brink, M Hupa - Applied thermal engineering, 2013 - Elsevier
The increase in application of fluidized bed combustion and gasification devices throughout
world means that more consideration will be given to improve design and reduce emissions …

[HTML][HTML] Chemical product design–recent advances and perspectives

L Zhang, H Mao, Q Liu, R Gani - Current Opinion in Chemical Engineering, 2020 - Elsevier
Chemical industry is continuously looking for opportunities to manufacture the necessary
commodity chemicals as well as to convert them into higher value-added chemicals-based …

Development and validation of an enhanced filtered drag model for simulating gas-solid fluidization of Geldart A particles in all flow regimes

X Gao, T Li, A Sarkar, L Lu, WA Rogers - Chemical Engineering Science, 2018 - Elsevier
Coarse-grid two-fluid simulation of gas-solid fluidized bed reactors based on the kinetic
theory of granular flow exhibits a significant dependence on drag models, especially for …

A comparison of two-fluid model, dense discrete particle model and CFD-DEM method for modeling impinging gas–solid flows

X Chen, J Wang - Powder technology, 2014 - Elsevier
Gas–solid flows have been numerically investigated by various multiphase models, none of
which is suitable for all the problems encountered in industries. Different multiphase models …

Computational modeling toward full chain of polypropylene production: From molecular to industrial scale

WC Yan, T Dong, YN Zhou, ZH Luo - Chemical Engineering Science, 2023 - Elsevier
Since polypropylene was synthesized in 1954, tremendous breakthroughs have been
achieved in transferring polypropylene from a discovery in the laboratory to an …

A comprehensive frictional-kinetic model for gas–particle flows: Analysis of fluidized and moving bed regimes

S Schneiderbauer, A Aigner, S Pirker - Chemical Engineering Science, 2012 - Elsevier
A comprehensive frictional-kinetic model for collisional and frictional gas–particle flows is
presented. The model treats gas and particles as a continuum. The kinetic-collisional …

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 …

A grid-independent EMMS/bubbling drag model for bubbling and turbulent fluidization

H Luo, B Lu, J Zhang, H Wu, W Wang - Chemical Engineering Journal, 2017 - Elsevier
The EMMS/bubbling drag model takes the effects of meso-scale structures (ie bubbles) into
modeling of drag coefficient and thus improves coarse-grid simulation of bubbling and …

Comparative analysis of subgrid drag modifications for dense gas‐particle flows in bubbling fluidized beds

S Schneiderbauer, S Puttinger, S Pirker - AIChE Journal, 2013 - Wiley Online Library
Many subgrid drag modifications have been put forth to account for the effect of small
unresolved scales on the resolved mesoscales in dense gas‐particle flows. These subgrid …

Experimental and numerical investigation of solid behavior in a gas–solid turbulent fluidized bed

X Gao, C Wu, Y Cheng, L Wang, X Li - Powder technology, 2012 - Elsevier
The solid behavior in a turbulent fluidized bed was studied by combination of experimental
measurements and computational fluid dynamics (CFD) simulations. Solid fractions were …