多梯度节能智能窗户具有热响应和多模式热能储存
Yang Zhou1, Yiqi He1, Sisi Zhao2
1State Key Laboratory of Heavy Oil Processing, China University of Petroleum (Beijing), Beijing, 102249, China. zhouyang@cup.edu.cn.
Materials horizons
|December 12, 2024
概括
研究人员开发了一种新的多梯度节能智能窗口. 这个创新的窗口提供可调节的太阳能调节和热能存储,大大降低了建筑物的能源消耗和室内温度.
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
- 建筑技术 建筑技术 建筑技术
背景情况:
- 建筑物消耗大量的能量,窗户对能源损失做出了重大贡献.
- 目前的智能窗户技术专注于单一功能,缺乏适应各种环境需求的适应性.
- 对于提高能源效率的多功能,可调节的智能窗户的需求至关重要.
研究的目的:
- 为多梯度节能智能窗户开发一种新型热敏水凝.
- 将温度敏感的光学特性与多模式热能存储能力相结合.
- 创建一个可适应的智能窗户解决方案,以改善建筑节能.
主要方法:
- 利用基烯纤维素 (HPC) 来实现对温度敏感的光学性能.
- 嵌入式水用于感应式热储存和 κ-卡拉基南用于隐性热储存.
- 快速准备一个热敏的水凝和多梯度节能智能窗口 (MGES智能窗口),没有长时间的聚合.
主要成果:
- 该MGES智能窗口显示出优异的太阳能调制 (ΔTlum = 82.72%, ΔTsol = 68.65%).
- 实现了高的特定热吸收 (c = 4.2 kJ kg-1 K-1) 和相位过渡热 (ΔH = 1.23 kJ kg-1).
- 与普通窗户相比,表面和室内温度分别降低了超过15°C和10.6°C.
结论:
- 开发的MGES智能窗口提供了卓越的节能和节约性能.
- 这项技术为建筑物提供了多方面的能源调整能力.
- 通过先进的智能窗户技术,为开发节能绿色建筑开辟了新的途径.
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