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소규모 건축물의 에너지효율등급(1++) 등급 확보를 위한 종합 외피 열성능에 관한 연구
박선효(Park, Sun-Hyo),정용호(Jung, Yong-Ho),안병욱(Ahn, Byung-Wook) 대한건축학회 2021 대한건축학회논문집 Vol.37 No.7
The purpose of this study was to propose a synthetic envelope thermal performance for small-scale buildings to satisfy the building energy efficiency grade 1++, which is the standard for zero-energy building certification. It was found that the correlation between the average heat transmission rate by wall area and the heating energy demand was very low. And the correlation between the average heat transmission rate by floor area and the heating energy demand was very high. Therefore, it would be desirable to apply the average heat transmission rate by floor area as the synthetic envelope thermal performance. Design conditions for the primary energy consumption to be less than 140kWh/m² should satisfy the average heat transmission rate by floor area of 0.45W/m²K or less, and install renewable energy when it exceeds 0.45W/m²K in the Jungbu 2 area
건축물의 에너지소비량 평가를 위한 열원기기의 효율평가 방법 제안
박선효(Sun Hyo Park),안병욱(Byung Wook Ahn),정용호(Yong Ho Jung) 대한설비공학회 2020 대한설비공학회 학술발표대회논문집 Vol.2020 No.6
In this analysis, the overall load pattern and energy demand were estimated using a commercial programto generate a substantial load profile for 24 hours. As a result, loads were found to have high periods and proportions of annual partial load. In the case of cooling loads, the cumulative frequency distribution of 68% or less when the load is less than 7.2W/㎡, which corresponds to the partial load rate of 50%, is based on the maximum load per unit area of 14.4W/㎡. In the case of annual heating load, it was found that the frequency of partial load occurring at 11.2W/㎡ or less, which corresponds to the partial load ratio of 50%, reached 78%. In the case of heating load, the overall operation time is longer than the cooling time, and it is judged as the result of the external influence acting little due to the improved insulation performance of the building. The annual incidences corresponding to the partial load ratio of 25%, 50%, 75%, and 100% based on the maximum load were 36%, 46%, 21%, and 4%, respectively, for cooling, and 44% for heating. , 47%, 12%, and 2%.
박선효(Park Sun-Hyo),이현정(Lee Hyun-Jung),권경우(Kwon Kyung-Woo),이병석(Lee Byung-Seok),김양섭(Kim Yang-Sub) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.3
The purpose of this study is performance validation of district heating apartments about heating energy consumption and analysis of energy consumption by unit characteristics. The heating energy consumption of the existing was analyzed and the analyzed results will be used for energy saving technology development and policy making. The heating energy consumption data about total 78 apartment complexes, 56,910 units in Gangnam-Gu, Seoul, Korea were investigated from October, 2010 to April 2011. The analysis results are as follows; The mean heating energy consumption is 98[kWh/m2]. The energy consumption of Apgujung-Dong, Daechi-Dong is higher than that of mean valuse. The energy consumption deviation by deterioration, unit area, core type and regional group is very high. Specially, building deterioration casts a long shadow.