| L型片材挤出机头流道速度分布三维有限元分析 |
| 3D FEM analysis of velocity distribution in L-shape sheet extruder die |
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| DOI： |
| 中文关键词: 挤出机头 三维有限元分析 高分子片材 流场分析 |
| 英文关键词: extruder die 3D FEM polymer sheet fluid flow |
| 基金项目:教育部“青年骨干教师计划”资助项目（JG2000-14） |
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| 中文摘要: |
| 利用大型有限元计算软件ANSYS 进行以三维模型为基础的L型机头内部流动速度分析和模拟研究。通过顺次截取沿挤出方向上4个不同区域的速度分布图和7个截面中间层节点横向速度分布曲线，分析了物料在L型片材挤出机头中的流动分布情况，即物料在机头内部经过几次速度调整逐步达到横向速度分布基本均匀。 |
| 英文摘要: |
| The FEM software ANSYS was employed to analyse and simulate the flow velocity in Lshape sheet extruder die based on a three dimensional model.The velocity distribution profiles in four different parts of the die along extruding direction and the velocity distribution curves at the nods in the middle layers of seven cross-sections were taken to analyse the fluid flow in the die.It was found that the lateral velocity distribution of the fluid flow in the die gradually became uniform after several velocity adjustments. |
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