A Subambient Open Roof Surface under the Mid‐Summer Sun

Advanced Science

Angus R. Gentle¹ 

[1] School of Physics and Advanced Materials, University of Technology Sydney, Broadway, NSW, Australia

关键词: albedo;    cool roofs;    polymer stacks;    sky cooling;    urban heat islands;   

DOI  :  10.1002/advs.201500119

来源: Wiley

【 摘 要 】

Abstract

A novel material open to warm air stays below ambient temperature under maximum solar intensities of mid-summer. It is found to be 11 °C cooler than a commercial white cool roof nearby. A combination of specially chosen polymers and a silver thin film yields values near 100% for both solar reflectance, and thermal emittance at infrared wavelengths from 7.9 to 13 μm.

【 授权许可】

CC BY   
© 2015 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.