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"冬天温暖,夏天凉爽":可扩展的生物混沌灵感温度适应涂层,易于准备和建造
Yan Dong1,2, Weifeng Meng1, Fuqiang Wang1
1School of Energy Science and Engineering, Harbin Institute of Technology, 92 West Dazhi Street, Harbin 150001, P. R. China.
Nano letters
|September 20, 2023
概括
这项研究引入了一种新型适应温度的辐射冷却涂层 (TARCC),它在冬天变暖,夏天变冷. TARCC技术可将每年能源消耗降低高达20%,并提高舒适度.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续能源 可持续能源
- 热力工程是热力工程中的一个.
背景情况:
- 被动日间辐射冷却 (PDRC) 涂层反射太阳辐射,增加冬季供暖需求.
- 驼的皮肤表现出适应温度的颜色变化,激发了新的材料设计.
研究的目的:
- 开发一种适应温度的辐射冷却涂层 (TARCC),用于全年热管理.
- 结合太阳能吸收和辐射冷却,实现"冬天温暖,夏天凉爽"的效果.
主要方法:
- 制造了一种可变颜色的TARCC,可见光调节率为41%.
- 季节性户外测试,以评估夏季和冬季条件下的TARCC性能.
主要成果:
- 夏季:TARCC实现了6.5K的环境下温度,具有高太阳反射率 (93%) 和发射率 (94%).
- 冬季:由于强烈的太阳吸收,TARCC的温度上升了4.3K.
- 在TARCC中,每年节能高达20%,适合人工作时间增加了55%.
结论:
- TARCC为全年热舒适度和能源效率提供了一个可持续的解决方案.
- 涂层的低成本,易于制备和简单的结构支持实际应用.
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