Assessment of long term solar reflectance performance of roof coverings measured in laboratory and in field

Sinem Kueltuer; Nil Tuerkeri

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Assessment of long term solar reflectance performance of roof coverings measured in laboratory and in field

机译：评估在实验室和现场测量的屋顶覆盖物的长期太阳反射性能

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Heat island refers to the temperature increase in urban areas compared to rural settings, intensifying the cooling energy consumption of buildings. Roofs constitute a major part in urban areas, hence cool roof coverings contribute to mitigate heat island. Heat island is an important issue for cities located in western and southern parts of Turkey, however cool roof coverings are not a common application. This study presents the assessment of long term solar reflectance performance of commonly used roof coverings in Turkey. Assessment is based on the data obtained from laboratory measurements conducted on new and 1 -year aged several test specimens and field monitoring of red clay tile and red shingle using pyranometers for duration of one year. Laboratory results revealed that standing-seam profiled metal coverings and red colored mineral coated modified bituminous membrane required surface treatments to serve as cool roof coverings. Field results indicated that both the red clay tile and the red shingle showed a slight decrease in the solar reflectance due to weathering. Comparison of the new and 1-year aged solar reflectance values of red clay tile and red shingle measured both in laboratory and in field showed that there was no significant difference between the values.

机译：热岛是指与农村地区相比，城市地区的温度升高，从而加剧了建筑物的冷却能耗。屋顶是城市地区的主要部分，因此凉爽的屋顶覆盖物有助于减少热岛效应。对于位于土耳其西部和南部地区的城市来说，热岛是一个重要的问题，但是凉爽的屋顶覆盖物并不常见。这项研究提出了对土耳其常用屋顶覆盖物的长期太阳反射性能的评估。评估基于对新的和1年老化的几个测试样本进行实验室测量获得的数据，并使用日光强度计对红粘土砖和红瓦进行了为期一年的现场监控。实验室结果表明，直缝型金属覆盖物和红色矿物涂层改性沥青膜需要进行表面处理才能用作凉爽的屋顶覆盖物。现场结果表明，由于风化，红粘土砖和红瓦都显示出太阳反射率略有下降。在实验室和现场对红粘土砖和红瓦的新的和1年老化的太阳反射率值进行比较后，发现这两个值之间没有显着差异。

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《Building and Environment》 |2012年第2期|p.164-172|共9页
作者
Sinem Kueltuer; Nil Tuerkeri;
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作者单位

Bahcesehir University, Faculty of Architecture & Design, Istanbul, Turkey;

Bahcesehir University, Faculty of Architecture & Design, Istanbul, Turkey;

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正文语种 eng
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solar reflectance; cool roofs; monitoring; pyranometer; solar spectrophotometer; heat island;

机译：太阳反射率凉爽的屋顶监控;总辐射表太阳能分光光度计热岛;

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Assessment of long term solar reflectance performance of roof coverings measured in laboratory and in field

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