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为了研究遮阳网和绿化层的隔热降温效果,对某小区住宅楼有、无绿化屋顶进行了连续测试。分析测试结果发现:仅绿化层作用下,平均温度和最高温度分别降低23.8%、36.9%;仅遮阳网作用下,平均温度和最高温度分别降低33.3%、38.7%;绿化层和遮阳网共同作用下,平均温度和最高温度分别降低35.6%、45.5%。对屋顶进行绿化和加设遮阳网都能有效地改善阳光直射屋顶而导致的屋顶过热现象,两者共同作用下的隔热效果更好,可进一步降低室内空调能耗,达到建筑节能的效果。
In order to study the effect of thermal insulation and cooling on the shade net and the greening layer, continuous testing was conducted on the green roofs of residential buildings in a residential area. The results of analysis and test showed that the average temperature and maximum temperature decreased by 23.8% and 36.9% respectively under the effect of only the greening layer. The average temperature and the maximum temperature decreased by 33.3% and 38.7% , The average temperature and maximum temperature were reduced by 35.6% and 45.5% respectively. Greening the roof and adding a shade net can effectively improve the roof overheating caused by the direct sunlight roof. The heat insulation effect under the joint action of the two is better, which can further reduce the energy consumption of the indoor air conditioner and achieve the effect of building energy saving.