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CLC number: O359

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.5 P.664-671

http://doi.org/10.1631/jzus.A071463


Motion and orientation of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio


Author(s):  Xiao-ke KU, Jian-zhong LIN

Affiliation(s):  Department of Mechanics, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   mecjzlin@public.zju.edu.cn

Key Words:  Particulate flow, Angular velocity, Orientation, Lattice Boltzmann method


Xiao-ke KU, Jian-zhong LIN. Motion and orientation of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio[J]. Journal of Zhejiang University Science A, 2008, 9(5): 664-671.

@article{title="Motion and orientation of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio",
author="Xiao-ke KU, Jian-zhong LIN",
journal="Journal of Zhejiang University Science A",
volume="9",
number="5",
pages="664-671",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A071463"
}

%0 Journal Article
%T Motion and orientation of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio
%A Xiao-ke KU
%A Jian-zhong LIN
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 5
%P 664-671
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071463

TY - JOUR
T1 - Motion and orientation of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio
A1 - Xiao-ke KU
A1 - Jian-zhong LIN
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 5
SP - 664
EP - 671
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A071463


Abstract: 
lattice Boltzmann method was used to numerically investigate the motion and orientation distribution of cylindrical and cubic particles in pipe flow with high concentration and high particle to pipe size ratio. The transient impulse model of 3D collisions between particles and between particle and wall is proposed. The numerical results are qualitatively in agreement with and quantitatively comparable to the experiment data. The results show that the increases of both the cylindrical particle to pipe size ratio and the particle aspect ratio decrease the rotation about all axes. All rotations of cubic particles decrease with increasing the particle concentration. The cubic particles, rotating more drastically in the flow with large Reynolds number, rotate faster than the cylindrical particles with the same size. The cylindrical particles align with the flow direction more obviously with decreasing Reynolds numbers. However, the orientations of cubic particles are spread all over the range with no significant difference in magnitude, and the Reynolds numbers have no obvious effect on the orientations of cubic particles.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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