]*>","")" /> Research on Simulating the Wind Field of the Field Straw Chopper with Throwing Cotton Stalk

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Research on Simulating the Wind Field of the Field Straw Chopper with Throwing Cotton Stalk

WANG Xue-nong;LI Cong-quan;SHI Jian-xin;CHEN Fa;DONG Yuan-de   

  • Received:2008-06-25 Revised:2008-06-25 Online:2008-06-25 Published:2008-06-25

抛送式秸秆粉碎还田机风场模拟研究

王学农;李从权;史建新;陈发;董远德   

  1. 新疆农科院农机所 乌鲁木齐 830091;新疆农业大学,乌鲁木齐,830052

摘要: 对抛送式秸秆粉碎还田机进行三维建模,应用CFD技术对其风场进行模拟研究.采用湍流模型和SIMPLE算法进行求解,通过对速度分布场分析,初步得出甩刀刀柄迎风面积、留茬高度、刀尖间隙、前(后)风口高度、侧面间隙等因素对风场影响的基本规律,为机具的设计提供了一定的理论依据.