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          • 暖通空调杂志社>期刊目次>2008年>第4期

            佛山市建筑围护结构对空调冷负荷的影响分析

            Analysis of the effect of building envelope on air conditioning cooling load in Foshan

            舒怀珠[1],潘亚宏[2]
            [1]义乌工商学院,[2]广州市绿建节能环保科技有限公司

            摘要:

            根据佛山地区的气候和建筑特点,通过计算机模拟,分析了围护结构的各种热工参数及窗墙比对空调冷负荷的影响,认为减小窗墙比和加强外窗性能应是佛山市建筑节能的重点,而加强外窗性能的关键在于提高外窗的遮阳系数,且一般建筑应以南北朝向为宜。与采用目前普通围护结构材料相比,窗墙比0.5的公共建筑,如果按节能标准限值设计,其围护结构冷负荷可以减少50%左右。

            关键词:围护结构,空调冷负荷,建筑节能

            Abstract:

            According to the characteristics of weather and buildings in Foshan area, through computer simulation, analyses the effects of the thermal parameters of envelopes and window-wall ratio on air conditioning cooling load. Considers that reducing the window-wall ratio and enforcing the performance of exterior window should be taken as the keystones to energy conservation of buildings in Foshan, and the key to enforcing  the performance of exterior window is to improve the shading coefficient. The building orientation should be  facing the south/north. The envelope cooling load of public buildings with a window-wall ratio of 0.5, designed according to the energy efficient standard, can be reduced by 50% compared with that constructed with ordinary envelope materials.  

            Keywords:buildingenvelope,airconditioningcoolingload,buildingenergysaving
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