取决于角度的节能智能窗户
Keunhyuk Ryu1,2, Guanya Wang2, Vijay Shankar Sridharan1
1School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore.
ACS nano
|September 15, 2025
概括
这项研究引入了一种新的智能窗口,使用动态元表面来适应温度和太阳角度. 这一创新显著提高了建筑物的能效和视觉舒适度.
科学领域:
- 材料科学 材料科学 材料科学
- 光电学是指光电子产品.
- 可持续的建筑 可持续的建筑
背景情况:
- 窗户占建筑物热量损失的50%左右.
- 现有的智能窗户往往忽视太阳顶点角度变化,只关注温度.
- 动态超表面为先进的光学控制提供了潜力.
研究的目的:
- 开发一个智能窗口,对温度和太阳顶角具有双重响应.
- 通过可扩展的制造技术设计角度和热响应.
- 通过先进的窗户技术,提高建筑物的能源效率和视觉舒适度.
主要方法:
- 使用动态元表面和相变材料 (二氧化瓦尼 - VO2) 制造智能窗口.
- 使用可扩展的网状印刷和喷涂来实现工业兼容性.
- 设计一个Fabry-Perot共振器,用于太阳和热辐射的双调制.
主要成果:
- 智能窗口展示了对太阳顶点角度和温度的动态响应.
- 实现了有前途的发光率传输率 (36.8%),太阳能调制 (30.8%),红外发射率调制 (0.4).
- 在节能模拟和日光照明方面,性能优于商业低排放性玻璃和最先进的设计.
结论:
- 与传统设计相比,拟议中的智能窗户提供了卓越的节能性能和视觉舒适性.
- 超表面和相变材料的整合是动态光学调制的可行策略.
- 这项技术有可能在节能建筑立面及其他领域得到广泛应用.
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