风力发电轮机叶片稳定PFA涂层的有效防结
He Zhang1, Bing-Bing Wang1,2, Xin Wang1
1School of Energy and Power Engineering, Northeast Electric Power University, Jilin 132012, China.
Langmuir : the ACS journal of surfaces and colloids
|July 3, 2024
概括
为风力轮机叶片开发了一种新的耐用超水涂层. 这种甲基 (PFA) 涂层显著延迟了结冰,并减少了冰的粘附性,提高了轮机的效率和寿命.
科学领域:
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
- 空气动力学 在空气动力学.
背景情况:
- 风力轮机的效率受到冰层的阻碍,导致发电和运行寿命的减少.
- 超疏水涂层提供了一个潜在的解决方案,以减轻风力轮机叶片的结冰问题.
研究的目的:
- 为风力轮机叶片开发和评估一种耐用的超水性涂层.
- 评估开发的涂层的抗结冰性能和稳定性.
主要方法:
- 喷涂使用具有微纳米层次结构的高甲基 (PFA) 涂层.
- 表面性质的表征,包括水接触角度和滑动角度.
- 超性涂层的机械和化学稳定性测试.
- 通过延迟结冰时间和冰粘合强度测量来评估抗结冰性能.
主要成果:
- 该PFA涂层实现了167.0°的水接触角和1.7°的滑动角.
- 涂层在机械和化学应力下表现出极好的稳定性.
- 与未涂层表面相比,延迟结冰时间是46.83倍,冰的粘合强度降低到1.875kPa.
- 在-6°C时达到94.7%,在-10°C时达到99.5%的除冰效率.
结论:
- 一种稳定,耐用的超性PFA涂层已成功开发用于风力轮机叶片.
- 该涂层具有显著的抗结冰能力,减少冰的形成和粘附.
- 这种PFA涂层有望通过防止结冰来提高风力轮机的性能和寿命.
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