不同气候条件下纳米二氧化硅气凝胶基玻璃对学校太阳吸热和冷负荷的影响分析

C. Buratti, E. Belloni, F. Merli, Mehrangiz Mastoori, Seyede Najme Sharifi, G. Pignatta
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引用次数: 2

摘要

在伊朗,对节能学校建筑的需求正在增长,这是公共建筑的主要组成部分。窗户需要隔热,以减少通过开口浪费的能量。本研究调查了与3毫米玻璃窗格和双层玻璃窗相比,带有气凝胶隔热层的双层玻璃在太阳能增益和冷却负荷方面的影响。案例研究是亚兹德(干热气候)、布什尔(湿热气候)和赞詹(寒冷气候)的小学。对一个两层楼的学校进行了数值模拟,计算了太阳能增益和冷负荷。与简单的玻璃窗相比,亚兹德使用气凝胶玻璃系统减少了73%的太阳能增益和约33%的冷却负荷;如果与双层玻璃标准窗相比,太阳能增益和冷却消耗分别减少约56%和16%。此外,与简单的玻璃相比,在布什尔使用气凝胶玻璃可以减少约64%的太阳能增益和27%的冷却。与单层玻璃相比,在Zanjan学校使用气凝胶,太阳能增益减少了约62%,冷却负荷减少了约22%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Nano Silica Aerogel Based Glazing Effect on the Solar Heat Gain and Cooling Load in a School under Different Climatic Conditions
Demand for energy-efficient school buildings, which form a major part of public buildings, is growing in Iran. Window insulation is required to reduce the amount of energy wasted through openings. This study investigates the effect of double-glazing with aerogel insulation compared to a 3 mm glazing pane and a double-glazing window in terms of solar gain and cooling load. The case studies are primary schools in Yazd (hot-dry climate), Bushehr (hot-humid climate), and Zanjan (cold climate). Numerical simulations of a two-story school are performed to calculate solar gain and cooling load. The use of the aerogel glazing system in Yazd resulted in a reduction of 73% of the solar gain and about 33% of cooling loads compared to a simple glazing window; if compared to a double-glazing standard window, the reductions are of about 56% and 16%, respectively for solar gains and cooling consumptions. Also, the use of aerogel glazing in Bushehr allows a reduction of about 64% in terms of solar gain and 27% for cooling when compared to simple glazing. By using the aerogel in Zanjan school the solar gain decreased by about 62% and cooling loads of about 22% when compared to a single layer of glazing.
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