Numerical study of gas-solid two-phase flow around road-header drivers in a fully mechanized excavation face

S Hu, Q Liao, G Feng, Y Huang, H Shao, Y Fan, Y Ye - Powder technology, 2019 - Elsevier
It is known that high-concentrations of dust threaten the health of road-header drivers in fully
mechanized excavation faces. The regulation of the gas-solid two-phase flow in fully …

Influences of ventilation velocity on dust dispersion in coal roadways

S Hu, Q Liao, G Feng, Y Huang, H Shao, Y Gao, F Hu - Powder Technology, 2020 - Elsevier
The ventilations of pressure cylinders is a widely used practice in coal mine roadways in
China. It has been determined that the velocities of the ventilations will directly affect the …

Particle shape effect on bubble dynamics in central air jet pseudo-2D fluidized beds: A CFD-DEM study

S Shrestha, S Kuang, A Yu, Z Zhou - Chemical Engineering Science, 2019 - Elsevier
Bubbles considerably influence the characteristics of gas-solid fluidized bed, hence play an
important role in determining process performance. This paper presents a CFD-DEM study …

Studies of mixing systems in anaerobic digesters using CFD and the future applications of nanotechnologies

G Leonzio - Waste and Biomass Valorization, 2020 - Springer
Anaerobic digesters are extensively used for the treatment of wastewaters. The impact of
nanoparticles, such as silver, zinc oxide, titanium dioxide, and copper oxide within the …

Overall particles flow pattern in a two-zone gas-solid fluidized bed with a secondary-gas stream

MJ Lashaki, AA Sarbanha, S Movahedirad - … Engineering Research and …, 2022 - Elsevier
Fluidized bed reactors with multiple input streams have been developed over the last
decades to satisfy industries in the scope of multiphase catalytic reactions, and two-zone …

Characteristics of dust distributions and dust control measures around road-header drivers in mining excavation roadways

S Hu, Y Gao, G Feng, Y Huang, H Shao, Q Liao, F Hu - Particuology, 2021 - Elsevier
In the present study, a numerical simulation method was adopted in order to examine the
characteristics of dust dispersion during continuous dust release periods (CRP) and stop …

Bubble-induced particle mixing in a 2-D gas-solid fluidized bed with different bed aspect ratios: A CFD-DPM study

Z Amiri, S Movahedirad - Powder technology, 2017 - Elsevier
Abstract A CFD-DPM method has been employed to investigate the influence of initial
particle height to bed width (ie, bed aspect ratio) on the particles mixing trend in a gas-solid …

Simulation and experimental study on the stone powder separator of a vertical shaft impact crusher

H Fang, J Yang, Y Song, W Huang, J Chen - Advanced Powder …, 2020 - Elsevier
During the sand-making process, the stone powder produced by means of a vertical shaft
impact (VSI) crusher affects the sand quality and pollutes the environment. This paper …

Evaluation of drag force around bubble in an incipiently fluidized bed via a coupled CFD-DEM approach

K Zhang, S Wang, Y Tang, Y He, Y Zhao - Powder technology, 2020 - Elsevier
Detailed micromechanical analysis of an individual bubble injected into a three-dimensional
incipiently fluidized bed is carried out by means of a coupled CFD-DEM approach. The …

Particle migration and slurry hydraulic resistance in multi-stage reducer pipes

L Deng, H Lu, J Yang, P Sun, Q Hu, S Liu - Ocean Engineering, 2024 - Elsevier
This study investigates a multi-stage reducer pipe, a pipeline component with a periodically
varying cross-section, which facilitates the transport of slurries containing coarse particles …