Effect of aspect ratio of ellipsoidal particles on segregation of a binary mixture in a rotating drum

S Kumar, S Khatoon, S Parashar, P Dubey, J Yogi… - Powder Technology, 2023 - Elsevier
In this work, the Discrete Element Method (DEM) is used to investigate the evolution of radial
segregation and its dependence on the shape by varying the particle's aspect ratio. A total of …

Segregation flow behavior of polydisperse particle mixture with skewed distribution in a rotating drum

Q Miao, Y Cao, W Zhu, P Huang, L Huang, A Yu… - Powder Technology, 2024 - Elsevier
Industrial particle mixtures are naturally polydisperse due to the variations in size distribution
during mineral processing, which makes it necessary to investigate segregation behaviors of …

Numerical simulation of particle mixing and granulation performance in rotating drums during the iron ore sintering process

Y Wang, J Xu, S He, S Liu, Z Zhou - Powder Technology, 2023 - Elsevier
Granulation is an important process in iron ore sintering to increase particle size for better
permeability. In this study, the granulation of mixed iron ore, coke, and flux in a rotating drum …

[HTML][HTML] Effects of particle density and fluid properties on mono-dispersed granular flows in a rotating drum

Y Chen, S Suo, M Dong, H Zhong, D Wei, Y Gan - Physics of Fluids, 2024 - pubs.aip.org
Due to their simple geometric configuration and involved rich physics, rotating drums have
been widely used to elaborate granular flow dynamics, which is of significant importance in …

Quantitative characterization of granular size segregation: A critical review

C Leng, C Sun, Z Liao, J Xu - Particuology, 2024 - Elsevier
Granular size segregation is an inevitable phenomenon in both natural and industrial
processes. To understand the underlying mechanisms and develop effective optimization …

Optimizing waste heat recovery for hydrogen production: Modeling and simulation of ternary size metallic granule flow in a cooling cylinder

L Zhang, P Zhang, Z Yang, Y Zhang, H Gao… - International Journal of …, 2024 - Elsevier
In order to recover the waste heat of high temperature metallic granules to produce steam for
hydrogen production, a waste heat recovery cooling cylinder with cooling water channel is …

Superdem simulation and experiment validation of nonspherical particles flows in a rotating drum

X Cui, J Dai, H Xu, X Gao - Industrial & Engineering Chemistry …, 2023 - ACS Publications
Understanding the flow behaviors of nonspherical particles is critical for rotating drum
design and optimization. Rotating drum experiments of particles of different properties were …

[HTML][HTML] CFD–DEM modeling of particle segregation behavior in a simulated flash smelting furnace

Z Zhu, P Zhou, Z Chen, D Wu, S Kuang - Powder Technology, 2024 - Elsevier
Particle behavior plays a crucial role in flash smelting furnaces, but limited understanding is
hindering further development of this modern pyrometallurgical process. This study presents …

Axial segregation characteristics and size-induced flow behavior of particles in a novel rotary drum with curved sidewalls

Q Miao, W Zhu, Y Cao, P Huang, C Hu, M Jia - Particuology, 2024 - Elsevier
Particle mixing and segregation are common phenomena in rotary drums, which are
challenging to be controlled and driven artificially in powder technology. In this work, the …

Impact of axial segregation characteristics on the particle collision energy in rotating drums

Q Miao, W Zhu, Y Ding, P Huang, C Hu, Y Ge - Minerals Engineering, 2024 - Elsevier
The particle mixture in rotating drums is not always in a completely mixed state, resulting in a
complex relationship between the particle mixing and segregation characteristics and the …