Abstract
In this study, an experimental and a numerical investigations are performed to investigate the effect of particle's shape and size distribution on its dispersion behavior. Firstly, particle dispersion of pulverized coal and spherical polymer particles is observed by Particle Image Velocimetry (PIV) technique in the experiment. Secondly, a simulation is performed to analyze the particle dispersion in detail. Spherical and spheroidal motion models are applied to particle's movement to investigate the shape effect. Furthermore, monodisperse and polydisperse for particles are applied to investigate the size distribution effect on the dispersion. Experimental results show that in the jet turbulence flow, pulverized coal particles, which have complex shapes and various sizes, have quite different dispersion behavior compared to spherical particles. In terms of the results of the simulation, this difference is mainly caused by the size distribution effect. Although particle's shape affects the dispersity, it is weakened by the size distribution effect.
| Original language | English |
|---|---|
| Pages (from-to) | 2322-2330 |
| Number of pages | 9 |
| Journal | Advanced Powder Technology |
| Volume | 29 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 2018 |
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All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)
- Mechanics of Materials
Cite this
Experimental and numerical investigation of effects of particle shape and size distribution on particles’ dispersion in a coaxial jet flow. / Zhang, Wei; Tainaka, Kazuki; Ahn, Seongyool; Watanabe, Hiroaki; Kitagawa, Toshiaki.
In: Advanced Powder Technology, Vol. 29, No. 10, 10.2018, p. 2322-2330.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Experimental and numerical investigation of effects of particle shape and size distribution on particles’ dispersion in a coaxial jet flow
AU - Zhang, Wei
AU - Tainaka, Kazuki
AU - Ahn, Seongyool
AU - Watanabe, Hiroaki
AU - Kitagawa, Toshiaki
PY - 2018/10
Y1 - 2018/10
N2 - In this study, an experimental and a numerical investigations are performed to investigate the effect of particle's shape and size distribution on its dispersion behavior. Firstly, particle dispersion of pulverized coal and spherical polymer particles is observed by Particle Image Velocimetry (PIV) technique in the experiment. Secondly, a simulation is performed to analyze the particle dispersion in detail. Spherical and spheroidal motion models are applied to particle's movement to investigate the shape effect. Furthermore, monodisperse and polydisperse for particles are applied to investigate the size distribution effect on the dispersion. Experimental results show that in the jet turbulence flow, pulverized coal particles, which have complex shapes and various sizes, have quite different dispersion behavior compared to spherical particles. In terms of the results of the simulation, this difference is mainly caused by the size distribution effect. Although particle's shape affects the dispersity, it is weakened by the size distribution effect.
AB - In this study, an experimental and a numerical investigations are performed to investigate the effect of particle's shape and size distribution on its dispersion behavior. Firstly, particle dispersion of pulverized coal and spherical polymer particles is observed by Particle Image Velocimetry (PIV) technique in the experiment. Secondly, a simulation is performed to analyze the particle dispersion in detail. Spherical and spheroidal motion models are applied to particle's movement to investigate the shape effect. Furthermore, monodisperse and polydisperse for particles are applied to investigate the size distribution effect on the dispersion. Experimental results show that in the jet turbulence flow, pulverized coal particles, which have complex shapes and various sizes, have quite different dispersion behavior compared to spherical particles. In terms of the results of the simulation, this difference is mainly caused by the size distribution effect. Although particle's shape affects the dispersity, it is weakened by the size distribution effect.
UR - http://www.scopus.com/inward/record.url?scp=85049108726&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85049108726&partnerID=8YFLogxK
U2 - 10.1016/j.apt.2018.06.008
DO - 10.1016/j.apt.2018.06.008
M3 - Article
AN - SCOPUS:85049108726
VL - 29
SP - 2322
EP - 2330
JO - Advanced Powder Technology
JF - Advanced Powder Technology
SN - 0921-8831
IS - 10
ER -