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B12 整合场协同理论和模流分析探讨含玻纤塑料于指叉状波浪流道之流动行为

2011-12-26 19:14| 查看: 47017| 评论: 0|来自: 产学联盟

摘要: 但随着质子交换膜燃料电池技术的稳定进步发展，燃料电池的技术获得汽车、能源公司与机车公司的支持。因为材料、制程技术的改进突破，使得燃料电池的性能提升、材料成本下降外，过去燃料电池堆技术不断突破、进步。燃 ...

4.4. 玻纤配向与场协同角的关系
图6为双极板上sensor位置示意图，图7在截面I肉厚处之平均场协同角。图7为肉厚处之平均场协同角，有含玻纤时因热传较好，平均场协同角较小。
因此流道的形态与纤维配向关系密切，如何使得充填时，纤维配向与流动平衡改善，是值得探讨的问题。

图 6 双极板上sensor位置示意图

(a) 不含玻纤

(b) 玻纤
图7 在截面I之平均场协同角 (肉厚处)

五、结果与讨论

未含玻纤与含玻纤之双极板在充填时有均未产生包封产生，配向值越高代表纤维被流场在该方向配向的程度越高，纤维配向程度，指叉状波浪流道50.755%，含玻纤时因热传较好，平均场协同角较小。由仿真结果显示，利用场协同角、玻纤与流道形状配合模流软件可用来找出较佳的组合，来微调流动平衡，提高燃料电池双极板具纤维配向射出成型过程的效率，配合场协同角与燃料电池双极板玻纤配向与玻纤比率可提供日后研究的重点。

六、参考文献

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B12 整合场协同理论和模流分析探讨含玻纤塑料于指叉状波浪流道之流动行为

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