期刊
BUILDINGS
卷 13, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/buildings13112868
关键词
urban heat island (UHI); solar reflectivity index; solar emissivity; building envelope materials; cool materials
The Urban Heat Island (UHI) is a consequence of urban development that leads to higher temperatures in cities compared to rural areas. This is caused by factors such as urban design, anthropogenic heat emissions, and materials used in buildings. To mitigate the UHI effects, various strategies have been proposed, including the use of cool materials and increasing urban greenery.
The Urban Heat Island (UHI), a consequence of urban development, leads to elevated temperatures within cities compared to their rural counterparts. This phenomenon results from factors such as urban designs, anthropogenic heat emissions, and materials that absorb and retain solar radiation in the built environment. Materials commonly used in cities, like concrete, asphalt, and stone, capture solar energy and subsequently emit it as heat into the surroundings. Consequently, this phenomenon amplifies summertime cooling energy demands in buildings. To mitigate the UHI impacts, various mitigation strategies have emerged that include but are not limited to using higher solar reflectivity materials, known as cool materials, and increasing vegetation and greenery in urban areas. Cool materials have high reflectivity and emissivity, effectively reflecting solar radiation while emitting absorbed heat through radiative cooling. Increasing the solar reflectivity of building envelope materials is a promising sustainable solution to lessen the UHI effects. This state-of-the-art review summarizes the UHI causes and effects, states the mitigation strategies, describes the cool building envelope materials, explains the solar reflectivity index measurements, indicates the building and micro-climate simulations, highlights the performance evaluation of using cool building envelope materials, points out the research gaps, and proposes future research opportunities.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据