Investigation of particle size impact on dense particulate flows in a vertical pipe

WL Ren, XH Zhang, Y Zhang, P Li, XB Lu - Physics of Fluids, 2023 - pubs.aip.org
In this work, a semi-resolved computational fluid dynamics-discrete element method is
employed to study the effects of fluid–particle and particle–particle/wall interactions on …

CFD-DEM study of particle-fluid flow and retention performance of sand screen

NI Ismail, S Kuang, A Yu - Powder Technology, 2021 - Elsevier
Sand screens are widely used to control sand production in unconsolidated reservoirs.
Because of the lack of insightful understanding of this process, to date, reliably optimizing …

Investigation of the characteristics and mechanisms of the layer inversion in binary liquid–solid fluidized beds with coarse particles

WL Ren, Y Zhang, XH Zhang, XB Lu - Physics of Fluids, 2022 - pubs.aip.org
This paper adopts an optimized Euler–Lagrange method proposed in our previous work to
study the characteristics and formation mechanisms of layer inversion in binary liquid–solid …

Study on separation of the tuber-soil binary mixture based on vibration and airflow coupling

S Long, W Wei, D Li, S Kang, J Wang - Biosystems Engineering, 2024 - Elsevier
One of the critical steps in the root crop harvesting process is screening tubers from soil.
However, low screening efficiency seriously hinders the rapid development of the root crop …

Mimicking layer inversion in solid-liquid fluidized beds in narrow tubes

FD Cúñez, EM Franklin - Powder technology, 2020 - Elsevier
This paper investigates experimentally and numerically the dynamics of solid particles
during the layer inversion of binary solid-liquid fluidized beds in narrow tubes. Layer …

CFD-DEM modelling of mixing and segregation of binary mixtures of ellipsoidal particles in liquid fluidizations

EA Molaei, A Yu, Z Zhou - Journal of Hydrodynamics, 2019 - Springer
Solid-liquid fluidized beds of binary mixtures are widely used in many industries. Particle
segregation may occur as particles can differ in size, density, or shape. Extensive studies …

Systematic experimental investigation of segregation direction and layer inversion in binary liquid-fluidized bed

A Di Renzo, G Rito, FP Di Maio - Processes, 2020 - mdpi.com
Multi-component liquid-fluidized beds are encountered in a variety of industrial processes.
Often, segregation severely affects the performance of the process unit. Unfortunately, size …

Study of the flow characteristics of the dense bed and its enhancing effect on coal particles separation by CFD-DEM applied in Teeter bed separator

J Liu, X Zhu, F Lv, G Ye, G Yao, X Qi… - International Journal of …, 2024 - Taylor & Francis
Teeter bed separator (TBS) plays an important role in coal and mineral fines beneficiation. It
is believed that a favorable dense concentrated bed is the key to ensuring the effective …

Numerical studies on teeter bed separator for particle separation

X Zhu, J Liu, C Cao, Y Dong, T Wei - Energies, 2020 - mdpi.com
Teeter Bed Separators (TBS) are liquid–solid fluidized beds that are widely used in
separation of coarse particles in coal mining industry. The coal particles settle in the self …

Segregation and intermixing in polydisperse liquid–solid fluidized beds: A multifluid model validation study

SS Tiwari, SV Ghatage, JB Joshi, B Kong - AIChE Journal, 2022 - Wiley Online Library
Multifluid model (MFM) simulations have been carried out on liquid–solid fluidized beds
(LSFB) consisting of binary and higher‐order polydisperse particle mixtures. The role of …