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Model Predicting Future Energy Performance of Natural Ventilation in Beirut 贝鲁特自然通风未来能源性能预测模型
本文的目的是评估未来天气数据下典型办公楼混合模式通风的使用情况,并实现在保持热舒适性和工人生产率的同时最大限度地减少能源使用的设计。为此,总结了windows和AC的操作算法,并使用Hadely中心耦合气候模型生成了黎巴嫩未来的天气数据。在当前施工实践和天气数据下,模拟建筑采用混合模式,实现了33%的节能,在未来天气数据下实现了26%的节能。为了使未来的自然通风可行,并保持能耗,研究了墙体加厚,包括5厘米(0.16英尺)的隔热层,从而进一步降低能耗,使混合模式工艺节省39%。然后,双层玻璃降低了能耗,与基本情况相比节省了40%。 这两项措施在当前和未来都被证明是有效的,对夏季峰值能耗和自然通风的使用都没有负面影响。因此,在当前和未来加强混合模式通风的最佳方法是结合使用这两种措施。引文:2016年3月14日至16日在科威特召开的第六届国际能源研究与开发会议
The aim of this paper is to assess the use of mixed mode ventilation for a typical office building under future weather data and realize a design that minimizes energy use while maintaining thermal comfort and workers productivity. For this reason an operation algorithm for windows and AC is summarized and future weather data of Lebanon is generated using the Hadely Center Coupled Climate Model. Under current construction practices and weather data the simulated building was simulated for the use of mixed mode, 33% energy savings were achieved, and under future weather data 26% energy savings resulted. To make natural ventilation viable for the future and maintain energy consumption thickening of walls and including 5 cm (0.16ft) insulation was studied which decreased the energy consumption further and made the mixed mode process save 39%. Then making the glazing double lowered the energy consumption and the savings reached became 40% against the base case. These two measures proved efficient in the present and the future, no negative effect was witnessed neither on the peak summer energy consumption nor on the natural ventilation use. The best way to enhance the use of mixed mode ventilation in the present and the future is then to use a combination of those two measures.
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