Effects of ball-to-powder diameter ratio and powder particle shape on EDEM simulation in a planetary ball mill

被引：21
|
作者：
Kim, Kyong-Chol [1 ,2 ]
Jiang, Tao [1 ,3 ,4 ]
Kim, Nam-Il [5 ]
Kwon, Cholu [6 ]
机构：
[1] Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
[2] Kim Chaek Univ Technol, Fac Appl Chem Engn, Pyongyang, North Korea
[3] Liaoning Key Lab Recycling Sci Met Resources, Shenyang 110819, Liaoning, Peoples R China
[4] Liaoning Key Lab Ecologically Comprehens Utilizat, Shenyang 110819, Liaoning, Peoples R China
[5] State Acad Sci, Inst Bldg Mat, Pyongyang, North Korea
[6] State Acad Sci, Inst Mech Engn, Pyongyang, North Korea
来源：
JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2022年 / 99卷 / 01期
基金：
中国国家自然科学基金;
关键词：
EDEM; Planetary ball mill; Ball-to-powder diameter ratio; Particle shape; Simulation time; Motion pattern; DISCRETE ELEMENT SIMULATION; ENERGY-TRANSFER; MOTION;
D O I：
10.1016/j.jics.2021.100300
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effects of the ball-to-powder diameter ratio (BPDR) and the shape of the powder particles on EDEM simulation results and time in the planetary ball mill was investigated. BPDR was varied from 1 to 40/3 by changing the powder particle diameter from 8 to 0.6 mm. The size and shape of the powder particles do not give a significant change in both the ball motion pattern and simulation results when BPDR is over 20/3. It can be assumed that the kinetic energy of the ball has nothing to do with the size and shape of the powder particle. The simulation time and data size increase exponentially as BPDR increases. The effect of change of the powder particle shape on the calculated data size is not significant, but the more complicated its shape, the longer the simulation time, which is linearly related to the number of spheres composing a particle.
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收藏
页数：7
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