Review and implementation of CFD-DEM applied to chemical process systems

S Golshan, R Sotudeh-Gharebagh, R Zarghami… - Chemical Engineering …, 2020 - Elsevier
With increasing the computational resources, the number of publications about coupled
computational fluid dynamics–discrete element method is in the rise in the recent years. This …

Computational fluid dynamics for fixed bed reactor design

AG Dixon, B Partopour - Annual review of chemical and …, 2020 - annualreviews.org
Flow, heat, and mass transfer in fixed beds of catalyst particles are complex phenomena
and, when combined with catalytic reactions, are multiscale in both time and space; …

Toward constitutive models for momentum, species, and energy transport in gas–particle flows

S Sundaresan, A Ozel… - Annual review of chemical …, 2018 - annualreviews.org
As multiscale structures are inherent in multiphase flows, constitutive models employed in
conjunction with transport equations for momentum, species, and energy are scale …

A volume-filtered description of compressible particle-laden flows

GS Shallcross, RO Fox, J Capecelatro - International Journal of Multiphase …, 2020 - Elsevier
In this work, we present a rigorous derivation of the volume-filtered viscous compressible
Navier–Stokes equations for disperse two-phase flows. Compared to incompressible flows …

Technologies and fundamentals of waste heat recovery from high-temperature solid granular materials

Z Cheng, Z Tan, Z Guo, J Yang, Q Wang - Applied Thermal Engineering, 2020 - Elsevier
Large amounts of high-temperature solid granular (HTSG) materials are produced
throughout the world in metallurgy and building materials industries whose activities are …

Multi-scale modeling of plastic waste gasification: opportunities and challenges

S Madanikashani, LA Vandewalle, S De Meester… - Materials, 2022 - mdpi.com
Among the different thermo-chemical recycling routes for plastic waste valorization,
gasification is one of the most promising, converting plastic waste into syngas (H2+ CO) and …

Heat transfer to a gas from densely packed beds of monodisperse spherical particles

A Singhal, S Cloete, S Radl, R Quinta-Ferreira… - Chemical Engineering …, 2017 - Elsevier
Particle resolved direct numerical simulation (PR-DNS) has emerged as a promising method
to improve gas-particle heat transfer closure models. To date, this method has been applied …

A direct comparison of particle-resolved and point-particle methods in decaying turbulence

M Mehrabadi, JAK Horwitz, S Subramaniam… - Journal of Fluid …, 2018 - cambridge.org
We use particle-resolved direct numerical simulation (PR-DNS) as a model-free physics-
based numerical approach to validate particle acceleration modelling in gas-solid …

Effect of heterogeneity on interphase heat transfer for gas–solid flow: A particle-resolved direct numerical simulation

J Fu, S Chen, X Zhou - Physics of Fluids, 2022 - pubs.aip.org
Particle-resolved direct numerical simulation (PR-DNS) of flow past a particle cluster is
conducted to analyze the influence of heterogeneous particle distribution on the gas–solid …

Comparison of particle-resolved DNS (PR-DNS) and non-resolved DEM/CFD simulations of flow through homogenous ensembles of fixed spherical and non …

B Kravets, D Schulz, R Jasevičius, SR Reinecke… - Advanced Powder …, 2021 - Elsevier
Abstract Particle-unresolved Eulerian/Lagrangian simulations (DEM/CFD) of static
homogenous particle ensembles are compared to direct numerical simulations (DNS) …