[HTML][HTML] Multi-scale numerical simulation of fluidized beds: Model applicability assessment

S Wang, C Hu, K Luo, J Yu, J Fan - Particuology, 2023 - Elsevier
In the past few decades, multi-scale numerical methods have been developed to model
dense gas-solid flow in fluidized beds with different resolutions, accuracies, and efficiencies …

Immersed boundary method for multiphase transport phenomena

W Xiao, H Zhang, K Luo, C Mao, J Fan - Reviews in Chemical …, 2022 - degruyter.com
Multiphase flows with momentum, heat, and mass transfer exist widely in a variety of
industrial applications. With the rapid development of numerical algorithms and computer …

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 …

Multi-scale study of turbulent mass transfer process in different shaped-adsorbent packed bed

R Zhang, Y Wang, H Ren, W Li, Z Tang… - International Journal of …, 2024 - Elsevier
Insufficient consideration of the coupled effect of multi-scale and turbulent mass transfer
impedes thorough understanding of the dynamic adsorption process in the fixed bed. To …

Direct numerical simulation of fluid flow and dependently coupled heat and mass transfer in fluid-particle systems

J Lu, E Peters, JAM Kuipers - Chemical Engineering Science, 2019 - Elsevier
In this paper, an efficient ghost-cell based immersed boundary method (IBM) is used to
perform direct numerical simulation (DNS) of reactive fluid-particle systems. With an …

CPFD simulation of cluster effect on mass transfer and reaction in downer with FCC particles

Y Liu, X Shi, Y Wu, C Wang, J Gao, X Lan - Powder Technology, 2022 - Elsevier
In this work, a cluster-based mass transfer and reaction model was proposed according to
large number of simulation results by conducting ozone decomposition inside spherical …

Direct numerical simulation of mass transfer in bidisperse arrays of spheres

J Lu, EAJF Peters, JAM Kuipers - AIChE Journal, 2020 - Wiley Online Library
In this study, an efficient ghost cell‐based immersed boundary method is used to perform
direct numerical simulations of mass‐transfer processes in bidisperse arrays. Stationary …

Visualization on the meso-scale particle flow in turbulent fluidized bed reactors with lower H0/D ratios via image processing

C Wang, Z Li, Z Sun, X Lan, J Gao, M Ye… - Chemical Engineering …, 2023 - Elsevier
A two-step Otsu's method was applied to process the images of gas-solids flow field at
multiple axial levels in a TFB with a H 0/D ratio from 0.5 to 2.0. The flow field was segmented …

[HTML][HTML] Moving from momentum transfer to heat transfer–a comparative study of an advanced Graetz-Nusselt problem using immersed boundary methods

J Lu, X Zhu, E Peters, R Verzicco, D Lohse… - Chemical engineering …, 2019 - Elsevier
In this paper two immersed boundary methods (IBM), specifically a continuous forcing
method (CFM) and a discrete forcing method (DFM), are applied to perform direct numerical …

Direct numerical simulation of reactive fluid–particle systems using an immersed boundary method

J Lu, MD Tan, EAJF Peters… - Industrial & Engineering …, 2018 - ACS Publications
In this paper, direct numerical simulation (DNS) is performed to study coupled heat and
mass-transfer problems in fluid–particle systems. On the particles, an exothermic surface …