反射面材料对建筑物热负荷的高分辨率城市规模影响
Marko Bizjak1, Domen Mongus2, Niko Lukač2
1Faculty of Electrical Engineering and Computer Science, University of Maribor, Koroška cesta 46, 2000, Maribor, Slovenia. m.bizjak@um.si.
Scientific reports
|November 27, 2025
概括
反光反射 (RR) 立面材料显示出季节性权衡,略微增加了供暖需求,同时减少了城市地区的冷却需求. 本研究使用详细的3D城市模型和热负荷模拟来量化这些效应.
科学领域:
- 建筑科学 建筑科学
- 城市气候学 城市气候学
- 可持续的建筑 可持续的建筑
背景情况:
- 传统的对立面材料的研究往往缺乏城市规模的背景.
- 准确评估建筑热负荷需要详细的城市几何和微气候数据.
研究的目的:
- 评估反射面材料 (RR) 对建筑热负荷的城市规模影响.
- 为了量化季节性供暖和冷却需求的变化,由于RR材料在一个现实的城市环境.
主要方法:
- 整合LiDAR衍生的3D城市模型与当地气象数据.
- 在全市范围内对每个三角形进行热负荷模拟 (Celje,斯洛文尼亚).
- 在现实的城市配置中分析阴影,方向和植被效应.
主要成果:
- 镜RR材料:每年加热 +2.1%,冷却 -0.76%;玻璃珠RR材料:加热 +1.6%,冷却 -0.65%.
- 在特定的日子里,最大降低冷却需求达到了19.31% (Prism) 和15.39% (Glass bead).
- 确定了一个季节性不对称性:最大的供暖需求增长发生在春季.
结论:
- RR外墙材料具有季节性权衡,平衡降低冷却和增加加热需求.
- 城市规模的模拟对于了解建筑材料的细微性能至关重要.
- 特定位置的性能和季节性变化需要在材料选择中仔细考虑.
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