Three-dimensional modelling of flow curves in co-rotating twin-screw extruder elements

被引：27
|
作者：
Bayyeya, M. A. [1 ]
Vega, J. F. [1 ]
Martfnez-Salazar, J. [1 ]
机构：
[1] CSIC, Inst Estructura Mat, Dept Fis Macromol, Madrid 28006, Spain
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2008年 / 197卷 / 1-3期
关键词：
3D numerical simulation; finite elements; co-rotating twin-screw extruder;
D O I：
10.1016/j.jmatprotec.2007.06.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The flow rate against pressure curves for a modular element of a co-rotating twin extruder has been obtained through 3D simulations. Finite element technique has been employed to solve the corresponding velocity and pressure fields. The results obtained are compared with those predicted by a more simple approximation. Two material cases are studied, a constant viscosity fluid and a shear rate viscosity dependent fluid. A good match between both models, especially for the constant viscosity fluid, is obtained, offering an easier technique for the simulation of flows in complex processing equipments. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：221 / 224
页数：4
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