[HTML][HTML] Progress in CFD simulations of fluidized beds for chemical and energy process engineering

F Alobaid, N Almohammed, MM Farid, J May… - Progress in Energy and …, 2022 - Elsevier
Gas-solid fluidized beds have drawn the attention of engineers and researchers as an
effective technology for a large variety of applications, and numerical simulations can play …

Heat transfer modelling in Discrete Element Method (DEM)-based simulations of thermal processes: Theory and model development

Z Peng, E Doroodchi, B Moghtaderi - Progress in Energy and Combustion …, 2020 - Elsevier
Over the past decade, DEM-based simulation has become a promising alternative to
physical measurements of thermal particulate systems. Despite their rapid advancement and …

Semi-resolved CFD–DEM for thermal particulate flows with applications to fluidized beds

Z Wang, M Liu - International Journal of Heat and Mass Transfer, 2020 - Elsevier
Particulate flows with heat transfer widely exist in industry including fluidized bed reactor
and powder-based 3D printing, and are frequently modeled with CFD–DEM coupled …

CFD-DEM modelling of the migration of fines in suspension flow through a solid packed bed

Z Xie, S Wang, Y Shen - Chemical Engineering Science, 2021 - Elsevier
In this work, based on the unresolved CFD-DEM framework, a smoothed volume distribution
model (SVDM) is developed to simulate the migration of fines in suspension flow through a …

A review of pebble flow study for pebble bed high temperature gas-cooled reactor

S Jiang, J Tu, X Yang, N Gui - Experimental and Computational …, 2019 - Springer
The pebble bed high temperature gas-cooled reactor is a promising generation-IV reactor,
which uses large fuel pebbles and helium gas as coolant. The pebble bed flow is a …

Semi-resolved CFD-DEM simulation of fine particle migration with heat transfer in heterogeneous porous media

G Zhu, Y Zhao, Z Wang, M Liu - International Journal of Heat and Mass …, 2022 - Elsevier
A comprehensive understanding of the migrating phenomena of microscale particles
associated with fluid flows and heat exchange in porous media is essential for developing …

Parameter analysis and wall effect of radiative heat transfer for CFD-DEM simulation in nuclear packed pebble bed

H Wu, N Gui, X Yang, J Tu, S Jiang - Experimental and Computational …, 2021 - Springer
In the heat transportation of core of high temperature gas-cooled nuclear reactor (HTGR),
radiative heat transfer plays a significant role in the CFD-DEM simulations. The numerical …

[HTML][HTML] Deep neural network-based heat radiation modelling between particles and between walls and particles

J Tausendschön, S Radl - International Journal of Heat and Mass Transfer, 2021 - Elsevier
Abstract We present a Deep Neural Network (DNN)-based view factor model to calculate
radiative heat transfer rates between particles, as well as between particles and walls in …

[HTML][HTML] A novel coupling method for unresolved CFD-DEM modeling

J Zhang, T Li, H Ström, B Wang, T Løvås - International Journal of Heat and …, 2023 - Elsevier
In CFD-DEM (computational fluid dynamics-discrete element method) simulations particles
are considered Lagrangian point particles. The details of the flow near the particle surface …

A review of HTGR graphite dust transport research

Q Sun, W Peng, S Yu, K Wang - Nuclear Engineering and Design, 2020 - Elsevier
Graphite dust is the important contents of source term for safety analysis of high temperature
gas-cooled reactors (HTGR). The spherical fuel element circulation in a pebble bed reactor …