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공동주택의 열부하 및 탄소배출량 저감을 위한 태양열시스템의 최적 적용 방안 연구
윤종호(Yoon Jong-Ho),심세라(Sim Se-Ra),신우철(Shin U-Cheul),백남춘,곽희열(Kwak Hee-Yu) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.2
Architectural market in the world is trying to develop Zero Carbon Buildng that doesn't use fossil fuel. Residential building that thermal load such as heating and domestic hot water is over 70% in energy consumption is easy to make Zero Carbon Building compared with office building that is mainly electric load. So, As a preliminary for analyzing the effect of Solar thermal system in the building, an annual energy consumption of residential building and total heat loads are calculated. Based on this result, three alternatives of solar thermal system for hot water and heating are applied in the building while installation area is increasing. Solar thermal system is applied on balcony and roof of apartment building as the way to reduce thermal load. In the first case that solar thermal system for hot water is applied on the balcony, optimum installation area is 56㎡. And you could install 40㎡ of this system in the roof that angle is 30°. In the second case of solar thermal system for heating and hot water, you can install 40㎡ on the roof. As a result of economic evaluation, the most economical application method is to install 40㎡ of solar thermal system for only hot water on the roof of the building. At that time, you can payback the initial investing cost within 10 years. And carbon emission of this method can be reduced until about 4 ton per year.