Simulation Analysis and Test of a Cleaning Device for a Fresh-Peanut-Picking Combine Harvester Based on Computational Fluid Dynamics-Discrete Element Method Coupling
文献类型： 外文期刊
作者： Ling, Jie 1 ; Gu, Man 1 ; Luo, Weiwen 1 ; Shen, Haiyang 1 ; Hu, Zhichao 1 ; Gu, Fengwei 1 ; Wu, Feng 1 ; Zhang, Peng 1 ; Xu, Hongbo 2 ;
作者机构： 1.Minist Agr & Rural Affairs, Nanjing Inst Agr Mechanizat, Nanjing 210014, Peoples R China
2.Grad Sch Chinese Acad Agr Sci, Beijing 100083, Peoples R China
3.Henan Polytech Inst, Nanyang 473000, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Modern Agr Equipment, Nanjing 210014, Peoples R China
关键词： agricultural machinery; peanut cleaning device; CFD-DEM coupling; parameter optimization
期刊名称：AGRICULTURE-BASEL （ 影响因子：3.6； 五年影响因子：3.8 ）
ISSN：
年卷期： 2024 年 14 卷 9 期
页码：
收录情况： SCI
摘要： In order to solve the problems of high impurity rate and large loss rate in the whole fresh peanut harvesting and production process in hilly areas of China, the method of computational fluid dynamics (CFD) and discrete element (DEM) coupling is used to examine the gas-solid two-phase simulation of the cleaning device of the crawler fresh-peanut-picking combine harvester. In addition, the Box-Behnken test method is used to analyze the influence of different parameters on the impurity content and loss rate of materials in the cleaning process by taking the fan speed, feed amount, and air inlet angle as the test factors, and the optimal combination of working parameters is sought. The simulation results show that when the fan speed is 2905.07 r/min, the feed rate is 0.80 kg/s, the air inlet angle is 43.14 degrees, the impurity content is 7.32%, and the loss rate is 4.78%. Compared with the simulation test results, the impurity content is increased by 0.68%, and the loss rate is increased by 1.24%, which verifies the reliability of the simulation model, and the research results provide some technical support for the improvement of the cleaning device in the later stages.
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