| 单螺杆大振幅振动对挤出影响的数值模拟研究 |
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| 引用本文： | 蔡永洪,孙晓辉,黄锋.单螺杆大振幅振动对挤出影响的数值模拟研究[J].自动化与信息工程,2011,32(3):15-18. |
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| 作者姓名： | 蔡永洪 孙晓辉 黄锋 |
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| 作者单位： | 1. 广州计量检测技术研究院
2. 北京理工大学珠海学院机械与汽车学院 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 借助CFD专用模拟软件PolyFlow,本文模拟了动态塑化单螺杆挤出机计量段中,聚合物熔体在单螺杆大振幅振动条件下的三维非等温输送流场,研究了大振幅振动力场对挤出产量、功率及螺杆特性的影响。模拟结果显示:振动参数有一个可选范围,当螺杆振动幅值超过该范围而落入横流反向区时,挤出流率将急剧下降,产能比严重降低,螺杆特性变软。
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| 关 键 词： | 大振幅振动 挤出 模拟 |
Simulation Study of Melt Conveying under Effects of Large Amplitude Vibration in a Single Screw Extruder |
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| Cai Yonghong,Sun Xiaohui,Huang Feng.Simulation Study of Melt Conveying under Effects of Large Amplitude Vibration in a Single Screw Extruder[J].Automation & Information Engineering,2011,32(3):15-18. |
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| Authors: | Cai Yonghong Sun Xiaohui Huang Feng |
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| Affiliation: | 1 (1. Guangzhou Institute of Measuring and Testing Technology. 2. School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Zhuhai) |
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| Abstract: | A simulation study of melt conveying under effects of large amplitude vibration in a rectangular channel with a cuneate die is done, by using a CFD software package. A situation of 3D non-isothermal flow coupled with transverse flow for a generalized Newt |
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| Keywords: | Large Amplitude Vibration Extrusion Simulation |
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