热反射轻质屋面隔热效果对比测试研究.pdfVIP

学兔兔 全国中文核心期刊 新 建魄粉 中国科技核心期刊 热反射轻质屋面隔热效某对比测试研究 杨仕超，江飞飞，麦粤邦，周荃 (广东省建筑科学研究院，广东 广州 510500) 摘要：通过对比测试连续晴天条件下，自然通风状态的普通压型钢板屋面厂房和热反射压型钢板屋面厂房的屋面外表面温 度、内表面温度、室内空气温度等热环境参数，量化分析热反射屋面的隔热效果和对建筑热环境的改善作用。结果表明，相比普通轻 质屋面，太阳辐射强烈的夏季晴日中午和午后，热反射屋面外表面温度、内表面温度、室内空气温度分别降低了l2～l6、℃、5 7 oC和 1．5-2．5 oC，隔热效果显著，有效改善了建筑室外热环境和自然通风状态下室内热环境。 关键词：热反射屋面；隔热；热环境 中图分类号：TU1l1．4 文献标识码：B 文章编号：1001—702X(2012)07—0037—03 Experimental study on insulating effect of solar reflecting lightweight roof YANG Shichao，JIANG Feifei,MAI Yuebang，ZHOU Quan (Guangdong Provincial Academy of Building Research，Guangzhou 510500，Guansdong，China) Abstract：In this paper，the exterior and internal surface temperature of roof and the indoor air temperature were measured and comparatively analyzed between two plants，which one with normal profiled steel sheet roof and the other with solar reflecting profiled steel sheet roof,under continuous sunny days and natural ventilation conditions．And the insulating effect and thermal environment improvement of solar reflecting roof were quantified．The results show that compared with the normal roof plant，the exterior and intemal surface temperature of roof and the indoor air temperature of the solar reflecting roof plant WaS respectively decreased by 12-16℃ ，5-7℃ and 1．5-2．5℃，in clear midday in summer with hish levels of solar radiation． Key words：solar reflecting roof；insulating effect~thermal environment 屋面的辐射得热，是减缓室内灼热感的根本性措施 。本文通 O 引 言 过对比测试普通压型钢板屋面和热反射压型钢板屋面的外表 我国夏热冬暖地区，太阳入射角较大，夏季每天中午前 面温