CFD-DEM modeling of filtered fluid-particle drag and heat transfer in bidisperse gas-solid flows

H Lei, JW Liao, LT Zhu, ZH Luo - Chemical Engineering Science, 2021 - Elsevier
This work extends filtered models to investigate the influence of particle polydispersity on the
filtered fluid-particle drag and heat transfer behaviors based on well-resolved computational …

Competing flow and collision effects in a monodispersed liquid–solid fluidized bed at a moderate Archimedes number

Y Yao, CS Criddle, OB Fringer - Journal of Fluid Mechanics, 2021 - cambridge.org
We study the effects of fluid–particle and particle–particle interactions in a three-dimensional
monodispersed reactor with unstable fluidization. Simulations were conducted using the …

Novel drag and Nusselt number models based on direct numerical simulations of a bidisperse gas–solid system

D Wang, S Wang, T Jin, K Luo, J Fan - AIChE Journal, 2024 - Wiley Online Library
Flow and heat transfer in a bidisperse gas–solid system with freely moving spheres are
simulated by particle‐resolved direct numerical simulation (PR‐DNS). Gas–solid coupling is …

Turbulent channel flow of a binary mixture of neutrally buoyant ellipsoidal particles

C Zhu, L Qian, Z Lin, Z Yu - Physics of Fluids, 2022 - pubs.aip.org
A turbulent channel flow of a binary mixture of finite-size neutrally buoyant ellipsoidal
particles is studied by using a parallel direct-forcing fictitious domain method at a friction …

Mild stratification in drying films of colloidal mixtures

JS Park, J Yun, B Chun, HW Jung - Soft Matter, 2022 - pubs.rsc.org
Size stratification of bidisperse colloidal mixtures during vertical drying was investigated
using the implicit solvent Langevin dynamics (LD) simulation and the explicit solvent lattice …

Numerical simulation of CO2 adsorption in a fluidized bed using solid‐supported amine sorbent

F Esmaeili Rad, J Abbasian… - The Canadian Journal …, 2021 - Wiley Online Library
The computational fluid dynamics (CFD) approach was used to simulate the gas‐solid flow
in the carbonation section of a circulating fluidized bed designed by the National Energy …

Computational Fluid Dynamics Simulation of the Regenerator Section of a Carbon Capture Unit Using Amine-Based Solid Sorbents

F Esmaeili Rad, J Abbasian… - Industrial & Engineering …, 2022 - ACS Publications
In this study, the regeneration procedure of CO2-laden amine-based solid sorbents in the
regenerator fluidized bed was investigated. The Eulerian–Eulerian two fluid model is used to …

Direct numerical simulation of flow and heat transfer in bidisperse gas-solid systems

Z Huang, L Wang, Y Li, Q Zhou - Chemical Engineering Science, 2021 - Elsevier
The flow and heat transfer in bidisperse gas-solid systems with particle diameter ratio
ranging from 1: 2 to 1: 4 have been numerically investigated via an immersed boundary …

Fluid-particle heat transfer in static assemblies: Effect of particle shape

Q Chang, L Yang, W Ge - International Journal of Heat and Mass Transfer, 2021 - Elsevier
The heat transfer in fluid flow through static assemblies of randomly distributed spheroids,
including spheres, prolates, and oblates, is investigated using direct numerical simulation …

Liquid fluidization of short hollow cylinders

JJ Derksen - Industrial & Engineering Chemistry Research, 2023 - ACS Publications
We perform numerical simulations on fluidized dense suspensions of solid spheres, solid
cylinders, and hollow cylinders in a Newtonian liquid. The simulations are three-dimensional …