单螺杆挤出各区段数学模型的衔接方法研究  

Linking-up between Different Stages of the Single Screw Extrusion Model

作　　者：王建华[1] 吴大鸣[1] 许红[1] 孙静[1] 

机构地区：[1]北京化工大学,北京100029

出　　处：《塑料》2002年第6期30-34,共5页Plastics

摘　　要：简要介绍了单螺杆挤出过程的三段七区物理模型。在正确处理各区段边界条件、区段间分界点及衔接条件基础上,采用面向对象程序设计语言C++,对各功能段进行了有效连接,实现了描述整个单螺杆挤出过程的算法的稳定性与收敛性,所得的压力、温度等变量的计算结果与实验值吻合较好。The threestages and sevensections model of the singlescrew extrusion was briefly.On the basis of correct boundary conditions,dividing lines and connecting conditions,the different stages were efficiently linked up by the Object Oriented Programming C++.The stability and convergence of the numerical methods were realized and the pressure and temperature results were also in good accordance with the experiments.

关 键 词：塑料加工 单螺杆挤出 数学模型 衔接方法 研究 C++语言 三段七区物理模型 

分 类 号：TQ320.663[化学工程—合成树脂塑料工业]