Abstract
In order to study particle rotary motion behavior and its mixing effect, five kinds of different speeds and fitted the mathematical model of particle mixing data applying to EDEM and MATLAB were stimulatedwith the model of Rotary mixing equipment and based on the theory of DEM simulated the. The virtual experiments predicted the best speed. The results showed that the virtual experiments not only could research particle cyclotron motion characteristics of the curve distribution, but also the method of DEM was conducive to study the mixing mechanism. Compared with the five speeds, the degree of mixing was 62.27%, closed to its optimal mixing degree (56.426%). And the relative error was 5.846%. The research provided the ideas and methods for design of discrete material mixing equipment.
Publication Date
2-28-2018
First Page
88
Last Page
92
DOI
10.13652/j.issn.1003-5788.2018.02.019
Recommended Citation
Kaijie, ZHANG; Qiang, XU; and Tao, WANG
(2018)
"Particle mixed behavior research based on DEM,"
Food and Machinery: Vol. 34:
Iss.
2, Article 19.
DOI: 10.13652/j.issn.1003-5788.2018.02.019
Available at:
https://www.ifoodmm.cn/journal/vol34/iss2/19
References
[1] 周志勇. 基于DEM的强力混合机混匀过程模拟及结构优化[D]. 湘潭: 湘潭大学, 2014: 5-6.
[2] 刘扬, 韩燕龙, 贾富国, 等. 椭球颗粒搅拌运动及混合特性的数值模拟研究[J]. 物理学报, 2015, 64(11): 1-2.
[3] 赵啦啦, 刘初升, 闫俊霞, 等. 颗粒分层过程三维离散元法模拟研究[J]. 物理学报, 2010, 59(3): 1 870-1 871.
[4] 王娜娜, 易维明, 杨延强, 等. 竖直管内陶瓷球和玉米秸粉混合颗粒运动的PIV测量[J]. 农业工程学报, 2008, 24(3): 155-156.
[5] 陈琼, 王青花, 赵闯, 等. 玻璃-橡胶混合颗粒的力学响应研究[J]. 物理学报, 2015, 64(15): 1-4.
[6] GUO Y, WASSGREN C, HANCOCK B, et al. Predicting breakage of high aspect ratio particles in an agitated bed using the Discrete Element Method[J]. Chemical Engineering Science, 2016, 10(43): 314-327.
[7] 张涛, 刘飞, 赵满全, 等. 基于离散元的排种器排种室内玉米种群运动规律[J]. 农业工程学报, 32(22): 27-28.
[8] 吴迪平, 李星祥, 秦勤, 等. 离散颗粒层被横向推移过程中的力学行为研究[J]. 物理学报, 2014, 64(9): 1-2.
[9] LEMIEUX M, LEONARD G, DOUCET J, et al.Large-scale numerical investigation of solids mixing in a V-blenderusing the discrete element method[J]. Powder Technology, 2008, 181: 205-216.
[10] 冯忠绪. 混凝土的搅拌过程及其模拟[J]. 西安公路交通大学学报, 1997, 12(4): 1-2.
[11] LI J, WEBB C, PANDIELLA S, et al. Discrete particle motion on sieves-a numerical study using the DEM simulation[J]. Powder Technology, 2003, 133: 190-202.
[12] PAUL W C, MARK L S. DEM modelling of industrial granular flow: 3D case studies and the effect of particle shape on hopper discharge[J].Appled Mathematical Modelling, 2002, 26: 89-111.
[13] TIJSKENS E, RAMON H, BAERDEMAEKER J D. Discrete element modelling for process simulation in agriculture[J]. Journal of Sound and Vibrition, 2003, 266(3): 493-514.
[14] 孙其诚, 王光谦. 颗粒物质力学导论[M]. 北京: 科学出版社, 2009.
[15] 贾富国, 韩燕龙, 刘杨, 等. 稻谷颗粒物料堆积角模拟预测方法[J]. 农业工程学报, 2014, 30(11): 255-256.
[16] 王瑞芳, 李占勇, 窦如彪, 等. 水平转筒内大豆颗粒随机运动与混合特性模拟[J]. 农业机械学报, 2013, 44(6): 93-94.
[17] 黄志刚, 朱清萍, 朱慧, 等. 转筒干燥器内颗粒物料运动的模拟与试验研究[J]. 粮油加工, 2004, 11(2): 65-66.
[18] 高红利, 陈友川, 赵永志, 等. 薄滚筒内二元湿颗粒体系混合行为的离散单元模拟研究[J]. 物理学报, 2011, 60(12): 3-5.
[19] 刘杨, 韩燕龙, 贾富国, 等. 椭球颗粒搅拌运动及混合特性的数值模拟研究[J]. 物理学报, 2015, 64(11): 6-7.