光谱学与光谱分析, 2013, 33 (6): 1491, 网络出版: 2013-06-07  

红外热像法研究屋顶绿化对热环境的影响

Study of Roof Greening’s Effect on Thermal Environment by Using Infrared Thermography
作者单位
1 重庆大学建筑城规学院, 重庆400045
2 重庆大学“山地城镇建设与新技术” 教育部重点实验室, 重庆400045
3 重庆大学“三峡库区生态环境”教育部重点实验室, 重庆400045
摘要
该研究应用红外热像法测量绿化屋顶的表面温度, 进而分析屋顶绿化对热环境的影响。 通过采集斜坡屋顶绿化、 轻型屋顶绿化和蓄水覆土屋顶绿化在阴天、 雨后一天、 晴天三种天气条件下的红外热像图, 分析对比三种绿化屋顶在同一天内及三种不同天气条件下的温度变化。 结果表明绿化屋顶表面温度的变化主要受太阳辐射和气温的影响, 而蓄水覆土绿化屋顶的表面温度还受到其含水量的影响; 屋顶绿化在夏季天气条件下可有效降低屋顶的表面温度、 减小温度波动幅度, 有利于改善城市热环境。
Abstract
The aim of the present study is to detect the surface temperature of the green roofs by using infrared thermography, and then analyze the roof greening’s effect on thermal environment. The slope roof greening, lightweight roof greening and water storage roof greening’s infrared thermal images were shot in a cloudy day, a day after the rain and a sunny day, and then the same day and different days’ surface temperatures of the three typical green roof were compared. The results show that the green roofs’ surface temperature are mainly under the influence of solar radiation and air temperature, and water storage green roof’s surface temperature is also influenced by its water content. Roof greening can effectively reduce the roof surface temperature and decrease the range of temperature fluctuation in any weather conditions.

郑星, 杨真静, 刘葆华, 郑晓楷, 范伟, 关庆庆. 红外热像法研究屋顶绿化对热环境的影响[J]. 光谱学与光谱分析, 2013, 33(6): 1491. ZHENG Xing, YANG Zhen-jing, LIU Bao-hua, ZHENG Xiao-kai, FAN Wei, GUAN Qing-qing. Study of Roof Greening’s Effect on Thermal Environment by Using Infrared Thermography[J]. Spectroscopy and Spectral Analysis, 2013, 33(6): 1491.

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