飞机轮机风扇外和弹道风扇叶片的冲击:几何和材料
Shade Rouxzeta VAN Der Merwe1, Dawood Ahmed Desai2, Glen Campbell Snedden3
1Building 3, Office 314, Department of Mechanical Engineering and Mechatronics, Tshwane University of Technology, Main Campus, Pretoria West, Private bag X680 Staatsattilerie Road Pretoria 0001, South Africa.
Heliyon
|January 31, 2024
概括
聚乙 (PEEK) 风扇叶片 (FB) 在飞机发动机风扇外 (FC) 中表现有前途. 虽然PEEK和FB都无法穿透FC,但PEEK通过减少变形而表现出优越的性能. 这表明PEEK是一种更安全的替代材料.
科学领域:
- 航空航天工程 航空航天工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 飞机发动机中的风扇叶片故障可能会导致灾难性事件,如果叶片不在风扇内.
- 穿透风扇外的脱离式风扇叶片会造成发动机故障,关机和飞机事故的风险.
研究的目的:
- 评估聚乙烯基 (PEEK) 作为风扇叶片的潜在替代材料.
- 通过使用有限元法 (FEM) 模型,评估PEEK和风扇叶片穿透在不同厚度的风扇盖上的影响.
主要方法:
- 使用ABAQUS/Explicit开发FEM弹道模型以模拟风扇叶片冲击.
- 在255米/秒的冲击速度下,对厚度为5,4,3和2毫米的风扇盖的风扇叶片透的研究.
- 分析验证FEM模型使用一种新的惯性瞬间方法.
主要成果:
- 没有风扇叶片,无论是PEEK还是,可以穿透所有测试厚度的风扇.
- 与PEEK风扇叶片相比,风扇外在受到风扇叶片的影响时表现出更显著的变形.
- FEM结果与分析验证有很强的相关性,证实了模型的准确性.
结论:
- 聚乙烯 (PEEK) 是一个比更适合的材料用于风扇叶片应用,由于减少风扇外变形.
- 开发的FEM模型有效地模拟了风扇叶片-风扇外相互作用,可以用于进一步的材料分析.
- 皮克为提高飞机发动机安全提供了一个有前途的解决方案,通过减轻风扇叶片故障相关的风险.
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