CLC number: TK09
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2017-12-15
Cited: 1
Clicked: 5199
Ran Tao, Meng-meng Yang, Shui-qing Li. Filtration of micro-particles within multi-fiber arrays by adhesive DEM-CFD simulation[J]. Journal of Zhejiang University Science A, 2018, 19(1): 34-44.
@article{title="Filtration of micro-particles within multi-fiber arrays by adhesive DEM-CFD simulation",
author="Ran Tao, Meng-meng Yang, Shui-qing Li",
journal="Journal of Zhejiang University Science A",
volume="19",
number="1",
pages="34-44",
year="2018",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1700156"
}
%0 Journal Article
%T Filtration of micro-particles within multi-fiber arrays by adhesive DEM-CFD simulation
%A Ran Tao
%A Meng-meng Yang
%A Shui-qing Li
%J Journal of Zhejiang University SCIENCE A
%V 19
%N 1
%P 34-44
%@ 1673-565X
%D 2018
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1700156
TY - JOUR
T1 - Filtration of micro-particles within multi-fiber arrays by adhesive DEM-CFD simulation
A1 - Ran Tao
A1 - Meng-meng Yang
A1 - Shui-qing Li
J0 - Journal of Zhejiang University Science A
VL - 19
IS - 1
SP - 34
EP - 44
%@ 1673-565X
Y1 - 2018
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1700156
Abstract: A 3D multi-time scale discrete element method-computational fluid dynamic (DEM-CFD) coupling approach was applied to investigate the filtration of micron-sized particles by different types of fiber arrays. Both the pressure drop and the filtration efficiency were examined to indicate the filtration performance of the fiber arrays. Fibers that were uniformly arrayed in a parallel or staggered manner were compared. Results showed that the staggered array showed a better performance than the parallel array in terms of both pressure drop and filtration efficiency. Further, we compared the performance of different staggered arrays, i.e. a regular case, one densified in the front layers and another densified in the back layers. The front densified array was found to enter the clogging and cake filtration stage in the shortest time, leading to the highest filtration efficiency, but the highest pressure drop. The back densified array still achieved a much higher filtration efficiency, despite a much lower pressure drop comparable to that of the regular array. The results suggest that the two kinds of densified arrays may be suited for different purposes, e.g. baghouse filters or breathing masks.
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