CFD modeling of gas–solid cyclone separators at ambient and elevated temperatures

M Nakhaei, B Lu, Y Tian, W Wang, K Dam-Johansen… - Processes, 2020 - mdpi.com
Gas–solid cyclone separators are widely utilized in many industrial applications and usually
involve complex multi-physics of gas–solid flow and heat transfer. In recent years, there has …

A review on modeling and control of olefin polymerization in fluidized-bed reactors

MR Abbasi, A Shamiri, MA Hussain - Reviews in Chemical …, 2019 - degruyter.com
This is a detailed review on olefin polymerization models, and the most recent process
control approaches used to control these nonlinear systems are presented. Great focus has …

[HTML][HTML] CFD-DDPM coupled with an agglomeration model for simulation of highly loaded large-scale cyclones: Sensitivity analysis of sub-models and model …

M Mirzaei, PA Jensen, M Nakhaei, H Wu… - Powder Technology, 2023 - Elsevier
Abstract The Dense Discrete Phase Model coupled with an agglomeration model is
developed and validated for the simulation of industrial cyclones with high solid loads. The …

[HTML][HTML] CFD simulation and experimental validation of multiphase flow in industrial cyclone preheaters

M Mirzaei, S Clausen, H Wu, S Zakrzewski… - Chemical Engineering …, 2023 - Elsevier
A hybrid multiphase model (Dense Discrete Phase Model, DDPM) coupled with a k-ω sst
turbulence model, which includes gas–solid heat exchange was developed for the …

Numerical simulation of a dense flow cyclone using the kinetic theory of granular flow in a dense discrete phase model

IS Hwang, HJ Jeong, J Hwang - Powder Technology, 2019 - Elsevier
In this study, the dense flow characteristics in a Lapple cyclone were investigated using
numerical simulations. At a high solid volume fraction, four-way coupling must be applied to …

[HTML][HTML] A dynamic multiphase turbulence model for coarse-grid simulations of fluidized gas-particle suspensions

S Rauchenzauner, S Schneiderbauer - Chemical Engineering Science, 2022 - Elsevier
Abstract The Spatially-Averaged Two-Fluid Model (SA-TFM) is a functional multiphase
turbulence model aimed at predicting the influence of unresolved meso-scale structures on …

[HTML][HTML] A hybrid multiphase model accounting for particle agglomeration for coarse-grid simulation of dense solid flow inside large-scale cyclones

M Mirzaei, PA Jensen, M Nakhaei, H Wu… - Powder Technology, 2022 - Elsevier
A hybrid multiphase model (Dense Discrete Phase Model, DDPM) coupled with an
agglomeration model and a sub-grid drag model was developed for simulation of industrial …

Classification performance analysis of a novel cyclone with a slit on the conical part by CFD simulation

AN Huang, K Ito, T Fukasawa, H Yoshida… - Separation and …, 2018 - Elsevier
This paper proposes a novel slit-cone cyclone design and presents the subsequent
evaluation of the effects of different slit locations on gas flow fields and particle separation …

Effects of the inlet particle spatial distribution on the performance of a gas-solid cyclone separator

Y Yao, M Shang, X Ke, Z Huang, T Zhou, J Lyu - Particuology, 2024 - Elsevier
The present study was aimed at the inlet particle spatial distribution of a gas-solid separator
with high solid loading and investigated its effects on cyclone performance and the inner …

[HTML][HTML] Discrete magnification lens model: A new hybrid multi-scale modelling method for fluid-particle systems

B Esgandari, D Queteschiner, S Pirker… - Powder Technology, 2024 - Elsevier
We present a novel hybrid multi-scale model, referred to as “discrete magnification lens”
method, which utilizes a computational fluid dynamics coupled to discrete element method …