The critical role of scale resolution in CFD simulation of gas-solid flows: A heat transfer study using CFD-DEM-IBM method

B Lan, P Zhao, J Xu, B Zhao, M Zhai, J Wang - Chemical Engineering …, 2023 - Elsevier
The surface-to-bed heat transfer coefficient is an important engineering parameter for
quantifying the heat transfer capability of fluidized beds. In this study, computational fluid …

Numerical investigation of bed-to-tube heat transfer in a shallow fluidized bed containing mixed-size particles

N Zheng, H Liu, J Fang, J Wei - International Journal of Heat and Mass …, 2023 - Elsevier
Mixed-size particles with low processing cost have great potential to act as the absorbing
media in the next-generation concentrated solar power plants. However, the research on the …

Numerical investigation of the effect of the location of an immersed tube in a fluidized bed on heat transfer of surface-to-bed

B Wei, G Lv, X Meng, Z Khalid, Q Huang, X Jiang - Powder Technology, 2023 - Elsevier
The study of heat transfer characteristics within an external heat exchanger (EHE) in
circulating fluidized bed (CFB) boilers for the treatment of municipal solid waste (MSW) is of …

Numerical calculation of wall-to-bed heat transfer coefficients in Geldart B bubbling fluidized beds with immersed horizontal tubes

P Ostermeier, F Dawo, A Vandersickel, S Gleis… - Powder Technology, 2018 - Elsevier
In dense solid-gas fluidized beds the knowledge of the wall-to-bed heat transfer is of great
importance, since it often dominates reactor design and dimensioning. This heat transfer is …

Effect of tube shape on the hydrodynamics and tube-to-bed heat transfer in fluidized beds

NH Dong, LM Armstrong, S Gu, KH Luo - Applied thermal engineering, 2013 - Elsevier
In the present work, the multiphase flow dynamics in fluidized beds is modelled using the
Two-Fluid Model (TFM) where the characteristics of a granular solid phase are described by …

Numerical simulation of heat transfer coefficient around different immersed bodies in a fluidized bed containing Geldart B particles

M Fattahi, SH Hosseini, G Ahmadi… - International Journal of …, 2019 - Elsevier
Abstract Using the Eulerian-Eulerian two-fluid model (TFM) the hydrodynamics and heat
transfer around different immersed bodies in a fluidized bed were analyzed. The kinetic …

Heat transfer and void fraction profiles around a horizontal cylinder immersed in a bubbling fluidised bed

F Di Natale, P Bareschino, R Nigro - International Journal of Heat and Mass …, 2010 - Elsevier
The local void fraction profile around a surface immersed in a fluidised bed has a great
importance for the estimation of transport phenomena and chemical reaction rates in these …

Systematic study on heat transfer and surface hydrodynamics of a vertical heat tube in a fluidized bed of FCC particles

X Yao, Y Zhang, C Lu, X Han - AIChE Journal, 2015 - Wiley Online Library
Bed‐to‐wall heat transfer properties of a vertical heat tube in a fluidized bed of fine fluid
catalytic cracking (FCC) particles are measured systematically using a specially designed …

Influence of immersed surface shape on the heat transfer process and flow pattern in a fluidized bed using numerical simulation.

JI Córcoles, A Acosta-Iborra… - International Journal of …, 2021 - Elsevier
This paper presents a 2-D numerical simulation of a freely bubbling fluidized bed with
immersed surfaces, using the Computational Particle Fluid Dynamics (CPFD) model …

Effects of tube configurations on the heat transfer and hydrodynamic behavior in a gas-solid fluidized bed

B Wei, L Sun, G Lv, X Meng, Z Khalid, Q Huang… - Powder Technology, 2024 - Elsevier
The study of surface-to-bed heat transfer and flow characteristics in a gas-solid fluidized bed
with different immersed tube configurations were investigated using the Eulerian-Eulerian …