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          • 暖通空调杂志社>期刊目次>2016年>第12期

            广州地区降雨对墙体传热影响的实验研究

            Experimental study on rains effect on heat transfer of walls in Guangzhou

            李丽[1],周孝清[1],赵立华[2],孟庆林[2]
            广州大学[1],华南理工大学[2]

            摘要:

            建立了实验系统,在自然气象条件下,实测了墙体温度场、湿度场和热流密度分布,研究了非降雨条件和降雨条件下墙体传热过程。结果表明:降水量与太阳辐照度是影响降雨条件下墙体传热过程的重要因素,天然降雨对墙体表面具有较好的降温作用,在广州地区采用天然降雨实现建筑的蒸发降温具有一定的实用价值。

            关键词:降雨墙体质量含湿量传热实验研究

            Abstract:

            Builds an experimental system,and measures the temperature field, moisture field and the distribution of the heat flux to study the heat transfer of the walls in rainy and sunny days. The results show that the rainfall and the solar radiation are the most important factors to impact the heat transfer of the walls. The rain could cool the surface of the walls well, with the potential application of the rain evaporative cooling to buildings in Guangzhou.

            Keywords:rain,wall,massmoisturecontent,heattransfer,experimentalstudy

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