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首页> 外文期刊>Journal of Applied Polymer Science >SIMULATION OF INTENSITY OF SEGREGATION DISTRIBUTIONS USING THREE-DIMENSIONAL FEM ANALYSIS - APPLICATION TO COROTATING TWIN SCREW EXTRUSION PROCESSING
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SIMULATION OF INTENSITY OF SEGREGATION DISTRIBUTIONS USING THREE-DIMENSIONAL FEM ANALYSIS - APPLICATION TO COROTATING TWIN SCREW EXTRUSION PROCESSING

机译：三维有限元分析的偏析分布强度模拟-在双螺杆挤出工艺中的应用

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摘要

The corotating twin screw extrusion flow is simulated to generate the distributions of intensity of segregation and integral measures of mixing and forwarding. The simulation focused on the lenticular kneading disk elements that necessitated the application of a three-dimensional finite element method to solve the conservation equations. The intensity of segregation distributions were determined by introducing a tracer blob numerically and tracking the concentration of the tracer particles as a function of location and time. In spite of the chaotic nature of the dynamics of this flow, the analyses provided the broad features of twin extrusion flow and its ability to mix. The processing characteristics of kneading disks were found to depend on the stagger angle and complemented earlier numerical and experimental results on residence time distributions and color incorporated tracer analyses. (C) 1995 John Wiley & Sons, Inc. [References: 16]
机译：模拟同向双螺杆挤出流，以产生偏析强度的分布以及混合和转发的整体度量。模拟的重点是凸透镜揉盘元件，因此需要应用三维有限元方法来求解守恒方程。通过数值引入示踪剂斑点并跟踪示踪剂颗粒的浓度随位置和时间的变化来确定偏析分布的强度。尽管该流动的动力学具有混沌性质，但分析仍提供了双挤压流动的广泛特征及其混合能力。发现捏合盘的加工特性取决于交错角度，并补充了有关停留时间分布和彩色示踪分析的早期数值和实验结果。 （C）1995 John Wiley＆Sons，Inc. [参考：16]

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