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压缩角对双腔微管挤出流动均匀性的数值模拟与分析

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2010-04-08

Journal: 模具制造

Volume: 10

Issue: 4

Page Number: 1-5

ISSN: 1671-3508

Key Words: 微挤出 双腔微管 压缩角 数值分析 流动均匀性

Abstract: 首先针对聚合物PP进行了流变实验,测得相应的性能参数,接着利用挤出数值模拟专用分析软件POLYFLOW,分析挤出流道结构参数中压缩角对双腔微管流动均匀性的影响,获得了相应的挤出速度分布场.数值模拟结果表明压缩角对挤出速度和均匀性有较大影响.

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