中国塑料Issue(1)：103-108,6.
三螺杆挤出机螺杆元件混合特性的数值研究
Numerical Study on Mixing Characteristics of Screw Elements in Three-screw Extruders
庞军舰 1何亚东 1信春玲 1余东泉 1李庆春2
作者信息
- 1. 北京化工大学机电工程学院,北京100029
- 2. 北京化工大学机电工程学院,北京100029／教育部高分子材料加工装备工程研究中心,北京100029
- 折叠
摘要
Abstract
Three-dimensional isothermal flows of different screw elements in a three-screw extruder were simulated using a polymer analysis package Polyflow. By statistical treatment of numerical results using Fieldview software, the mixing performances of screw elements were characterized and compared in terms of different evaluation methods. It was found that the kneading blocks had stronger shearing and stretching actions than other elements, and neutral kneading blocks and left-handed elements had better effect of backflow. Compared with screw thread elements, SME elements had weaker shearing capacity, but higher stretching and backflow capacity. The screw elements could reasonably be selected based on the shear sensitivity of the materials in order to improve the quality of the products.关键词
三螺杆挤出机/螺杆元件/数值模拟/混合特性Key words
three-screw extruder/screw element/numerical simulation/mixing characteristics分类
化学化工引用本文复制引用
庞军舰,何亚东,信春玲,余东泉,李庆春..三螺杆挤出机螺杆元件混合特性的数值研究[J].中国塑料,2012,(1):103-108,6.
