Experimental and DEM studies on the particle mixing performance in rotating drums: Effect of area ratio

2017 ◽  
Vol 314 ◽  
pp. 182-194 ◽  
Author(s):  
Xiangwu Xiao ◽  
Yuanqiang Tan ◽  
Hao Zhang ◽  
Rong Deng ◽  
Shengqiang Jiang
Keyword(s):  
Area Ratio ◽  
Mixing Performance ◽  
Particle Mixing ◽  
Rotating Drums

Discrete element analysis of the particle mixing performance in a ribbon mixer with a double U-shaped vessel

2019 ◽  
Vol 21 (1) ◽  
Author(s):  
Wei Gao ◽  
Lei Liu ◽  
Zechu Liao ◽  
Shunhua Chen ◽  
Mengyan Zang ◽  
...  
Keyword(s):  
Discrete Element ◽  
Element Analysis ◽  
Mixing Performance ◽  
Particle Mixing

Numerical simulation of tetrahedral particle mixing and motion in rotating drums

Particuology ◽  
2018 ◽  
Vol 39 ◽  
pp. 1-11 ◽  
Author(s):  
Nan Gui ◽  
Xingtuan Yang ◽  
Jiyuan Tu ◽  
Shengyao Jiang ◽  
Zhen Zhang
Keyword(s):  
Numerical Simulation ◽  
Particle Mixing ◽  
Rotating Drums

Effect of Electrode Configurations on the Performance of Electro-Hydrodynamic Micromixer

2018 ◽  
Author(s):  
Hak-Sun Kim ◽  
Hyun-Oh Kim ◽  
Youn-Jea Kim
Keyword(s):  
Numerical Analysis ◽  
Chemical Engineering ◽  
Fine Particles ◽  
Comsol Multiphysics ◽  
Mixing Efficiency ◽  
Flow Conditions ◽  
Mixing Performance ◽  
Zeta Potentials ◽  
Particle Mixing ◽  
Geometrical Effects

Micromixers are widely used in chemical engineering and bioengineering industries. In this study, geometrical effects of electrodes were investigated to mix fine particles affected by external electric field. In order to improve the particle mixing performance of micromixer, the electroosmosis effect could be utilized with configuration of electrodes at the top and bottom of microchannel. Numerical analysis was performed to derive the pattern of electrodes with superior mixing efficiency by changing voltages and zeta potentials applied to the micromixer channel, by using COMSOL Multiphysics 5.2. The results of mixing performance were graphically depicted with various arrangements of electrode and flow conditions.

scholarly journals Mixing of Particles in a Rotating Drum with Inclined Axis of Rotation

Processes ◽  
2020 ◽  
Vol 8 (12) ◽  
pp. 1688
Author(s):  
Parag Widhate ◽  
Haiping Zhu ◽  
Qinghua Zeng ◽  
Kejun Dong
Keyword(s):  
Area Ratio ◽  
Rotating Drum ◽  
Mixing Index ◽  
Mixing Processes ◽  
Axis Of Rotation ◽  
Processing Power ◽  
Industrial Waste Management ◽  
Pharmaceutical Industries ◽  
Horizontal Drum ◽  
Rotating Drums

Various experimental and numerical studies have been carried out to study the mixing processes inside rotating drums with a horizontal axis of rotation in the past, but little effort has been made to investigate the rotating drums with an inclined axis of rotation, though such inclined drums exist in industrial waste management, food processing, power and pharmaceutical industries. To fill this gap, in this work, the discrete element method was used to study the mixing phenomena of a rotating drum for different angles of inclination from 0° to 15°. It was found that for inclined rotating drums, the whole bed Lacey mixing index is higher than that for the horizontal drum by 7.2% when the angle of inclination is 10°. The mixing index is related to the area ratio of the active region to the whole bed and volumetric fill. Increase in volumetric fill would lead to the decrease of the mixing index. The mixing index and area ratio exhibit similar patterns along the length of the drum for different angles of inclination.

Comparative study of sediment particle mixing in a Zostera noltei meadow and a bare sediment mudflat

2014 ◽  
Vol 514 ◽  
pp. 71-86 ◽  
Author(s):  
G Bernard ◽  
ML Delgard ◽  
O Maire ◽  
A Ciutat ◽  
P Lecroart ◽  
...  
Keyword(s):  
Comparative Study ◽  
Sediment Particle ◽  
Bare Sediment ◽  
Zostera Noltei ◽  
Particle Mixing

Performance Evaluation of Divided Intake Ducts: Effect of Area Ratio and Inlet Reynolds Number

2003 ◽  
Vol 30 (5) ◽  
pp. 525-541 ◽  
Author(s):  
Sanjeev Bharani ◽  
S.N. Singh ◽  
V. Seshadri ◽  
R. Chandramouli
Keyword(s):  
Reynolds Number ◽  
Performance Evaluation ◽  
Area Ratio
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