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山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (3): 86-93.doi: 10.6040/j.issn.1672-3961.0.2021.331

• • 上一篇    

基于EDEM-Fluent耦合的挖藕机喷水系统仿真优化

张自健1,2,赵军1,2,唐贤康1,2,孙超1,2,李峰3   

  1. 1.山东大学机械工程学院高效洁净机械制造教育部重点实验室, 山东 济南 250061;2.山东大学机械工程国家级实验教学示范中心, 山东 济南 250061;3.山东钢铁股份有限公司莱芜分公司焦化厂, 山东 济南 271100
  • 发布日期:2022-06-23
  • 作者简介:张自健(1997—),男,山东平度人,硕士研究生,主要研究方向为高效加工技术与智能装备. E-mail:zxx19970923@sina.com
  • 基金资助:
    山东省农业重大应用技术创新资助项目(SD2019NJ018)

Simulation and optimization of lotus root digging machine sprinkler system based on EDEM-Fluent

ZHANG Zijian1,2, ZHAO Jun1,2, TANG Xiankang1,2, SUN Chao1,2, LI Feng3   

  1. 1. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan 250061, Shandong, China;
    3. Coking Plant of Laiwu Branch, Shandong Iron &
    Steel Co., Ltd., Jinan 271100, Shandong, China
  • Published:2022-06-23

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摘要： 为分析挖藕机喷水系统各种关键参数对土壤冲击效果的影响,提出一种基于EDEM-Fluent的水射流冲击土壤仿真方法。在Fluent中模拟不同间距、不同喷射速度下多股水射流冲击水层时的速度衰减、方向变化情况;得出冲击水层后的速度后利用EDEM-Fluent耦合模拟射流以该速度冲击土壤1 s的效果。试验结果表明:随着出水管间距的增大,最大冲击深度减小,土壤颗粒速度减小;随着射流喷射速度的增大,最大冲击深度增大,土壤颗粒速度增大。在出水管间距8 mm、射流喷射速度30 m/s时对土壤的冲击效果最好。

关键词: 挖藕机, EDEM-fluent耦合仿真, 土壤建模, 喷水系统设计, Fluent仿真

中图分类号: 

  • TH11
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