Influence of design on mixing efficiency in the kneading disc region of co-rotating twin screw extruders

被引：6
|
作者：
Manas-Zloczower, I [1 ]
Cheng, HF [1 ]
机构：
[1] Case Western Reserve Univ, Dept Macromol Sci, Cleveland, OH 44106 USA
来源：
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 1998年 / 17卷 / 12期
关键词：
twin screw extruders; kneading discs; flow simulations; dispersive mixing;
D O I：
10.1177/073168449801701202
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Co-rotating, intermeshing twin screw extruders are widely used in polymer compounding and blending. In this work, a fluid dynamics analysis package-FIDAP, using the finite element method was employed to simulate the isothermal flow patterns of a non-Newtonial fluid in the kneading disc region of Werner & Pfleiderer ZSK-30 and ZSK-53 co-rotating twin screw extruders. Dispersive mixing efficiency was analyzed in terms of shear stresses generated and elongational flow characteristics. The influence of design variables (2 lobes versus 3 lobes discs) on the pumping characteristics and dispersive mixing efficiency is discussed.
引用
收藏
页码：1076 / 1086
页数：11
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