城建筑屋顶花园节能效率之研究.docVIP

城市建築屋頂花園節能效率之研究-以臺中市為例 廖雅萍 許坤榮 摘要 初步模擬結果顯示在0-24時開啟的全空調情境下，不同屋頂花園模組對比於混凝土屋頂的空調負荷，屋頂花園A之節能效果最佳，每年約可節省1,874 kWh，約占全年總空調負荷的20.1%，每年空調電費約可節省7,139元，約占全年空調電費的21.9%，每年約可節省32.9 kWh/m2。研究發現屋頂花園的節能效率頗高，在城市屋頂設置屋頂花園可有效節能並降低空調負荷。 關鍵字： The building energy efficiency of eco-roof in urban area –A case study of Taichung City Ya-Ping Liao( Kun-Jung Hsu( Abstract Due to the growing phenomenon of global warming, and increasing of air conditioning load in urban areas, it is a very important issue to reduce air conditioning energy consumption effectively and to improve the building energy consumption today. In this study (the fifth floor apartment in Taichung City), the simulated case we use energy simulation software Ecotect to the numerical simulation, such as the different modules of the roof garden, air conditioning situation and the timetable for the simulation project. Then take concrete roof as the comparison, we summed up the best combination of insulation and energy efficiency, and we extended the simulation results to the original Taichung City for the energy efficiency assessment later. Preliminary simulation results show that under the experiment with air-conditioned fully opened in 2hrs, different roof garden module worked better than the concrete roof air conditioning load. The best energy-saving module is the roof garden A, and annual saving is about 1,874 kWh, and it’s accounted for 20.1 % in an annual air conditioning load. The money that we can save is NT 7,139. You can save 32.9kWh/m2 per year accounted for 21.9% of the annual air conditioning electricity can save about. We can found in this study that the efficiency to save the energy of the roof garden is high, setting the roof garden in the city can save energy effectively and reduce air conditioning load. Keywords：Energy simulation, E, Air conditioning load, Numerical simulation表單的底部 一、前言 隨著全球暖化的議題日漸倍受重視，二氧化碳的減量排放成為全球各國所關注的焦點之一。而現今都市人口密集，高樓大廈林立，以致水泥化日益嚴重，不透水性鋪面大量增加，都市的