Moisture content characterization method of wet particles of brown rice based on discrete element simulation

被引：10
|
作者：
Bai, Jinyin [1 ,2 ]
Xie, Biao [1 ,2 ]
Yan, Jiagang [1 ,2 ]
Zheng, Yun [1 ,2 ]
Liu, Nian [1 ,2 ]
Zhang, Qiang [1 ,2 ]
机构：
[1] Huazhong Agr Univ, Coll Engn, Wuhan 430070, Peoples R China
[2] Minist Agr, Key Lab Agr Equipment Midlower Yangtze River, Wuhan 430070, Peoples R China
来源：
POWDER TECHNOLOGY | 2023年 / 428卷
基金：
中国国家自然科学基金;
关键词：
Brown rice; Wet particles; Water content; Angle of repose; Discrete elements; Parameter calibration; MODEL PARAMETERS; DEM SIMULATIONS; SURFACE-ENERGY; CALIBRATION; CONTACT; JKR;
D O I：
10.1016/j.powtec.2023.118775
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The moisture content of brown rice wet particles was characterized based on discrete element simulation. Firstly, the angle of repose under different moisture content was determined by physical experiment, and the regression equation of moisture content and angle of repose was established, R2 = 0.9718. Then, the mathematical model between the angle of repose and the key discrete element parameters was established by discrete element simulation experiments, R2 = 0.9938. Finally, a mathematical model between moisture content and key discrete element parameters was established, and the maximum relative error of simulated angle of repose and physical angle of repose was verified to be 3.09%. The results show that the constructed wet grain discrete element parameter model of brown rice can be used for simulation research, which has guiding significance for the design of brown rice processing device.
引用
收藏
页数：12
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