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The rising global demand for energy has triggered emphasis on conservation of energy. Buildings are one of the important energy consuming sectors. Passive solar architecture encompasses a wide range of strategies and options resulting in energy efficient building design and increased occupant's comfort. Passive solar design, aiming at increasing direct solar gains during winter period and to avoid overheating during summer period should make use of specific shading devices over energy efficient window. The static sunshades are most effective for solar control inside the buildings.Countries like India have composite climate, which can be classified under summer, winter and rainy season. Depending on the seasonal requirements, this paper introduces a new geometry of a static sunshade, designed by calculating the sun angles for the two dates. The static sun shading design methodology is validated with the help of small scale modeling experimentation technique, carried out in Pilani, Rajasthan (India). Although insulating materials can be used as a part of a building structure, its feasibility should be checked before particular application. In the present paper, the two small-scale experimental models of actual construction material with varying static sunshades, i.e. horizontal and the proposed one have been constructed and analyzed with the models of insulating material (Polyurethane Foam [PUF]). Depending upon the solar intersection over south facade wall, sunlit area and shaded area have been correlated with temperature inside the models to decide the effectiveness of the proposed sunshade. 相似文献
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本文通过对南宁地区典型气象年的气候分析,就该地区建筑外遮阳设计进行计算,进一步探讨了外遮阳对室内环境的影响,为建筑外遮阳设计提供一定参考。 相似文献
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彭小云 《四川建筑科学研究》2010,36(6)
太阳辐射是造成室内过热的主要原因,通过计算分析,得出建筑遮阳能够有效地降低太阳辐射引起的窗户耗能;同时分析了遮阳系数的计算方法,为遮阳设计提供依据。 相似文献
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变电站建筑不仅要满足精密设备的运行要求,还要满足人员的工作使用要求,其外遮阳的设计要兼顾节能和室内自然采光的要求。以夏热冬暖地区某典型变电站建筑的主控通信楼为例,采用相关能耗和采光模拟软件,模拟分析该建筑在不同遮阳设施工况下建筑能耗和室内采光的变化,以建筑节能率和采光系数标准值为评价指标,得出其尺寸设计的适宜范围,明确此类建筑外遮阳的尺寸设计应采用节能与自然采光双目标优化的方法,改变以外遮阳系数为单一评价参数的方式。 相似文献
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发展绿色建筑可以实现经济效益、社会效益及环境效益的一体化,促进建筑企业的可持续发展。为此,本文就绿色建筑遮阳措施展开探究,以供参考借鉴。 相似文献
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论述了在高纬度严寒地区东西向大玻璃幕墙建筑的节能和营造舒适环境的技术措施,结合实例对玻璃幕墙的选用、幕墙遮阳系统、机电设备等方面进行分析和探讨,并提出了相应的解决方法,对今后同类玻璃幕墙工程具有一定指导意义。 相似文献
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