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논문 기본 정보

자료유형
학술저널
저자정보
구보경 (이화여자대학교) 임재한 (이화여자대학교) 송승영 (이화여자대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 계획계 大韓建築學會論文集 計劃系 第27卷 第8號
발행연도
2011.8
수록면
305 - 312 (8page)

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In Korean apartment buildings, internal insulation system is usually applied, so the layer of insulation is disconnected due to structural component at wall-slab and wall-wall joints in envelope. In particular, the amount of heat loss is significant at the wall-slab joints adjacent to hot water heating pipes. In Europe, EPBD(Energy Performance of Buildings Directive) came into effect, and national building energy performance evaluation tool is needed for issuing EPC(Energy Performance Certificate). Though thermal bridges are not explicitly mentioned in EPBD, they are included in the calculation of building energy performance. Linear thermal transmittance is required for energy performance calculation including the effect of these thermal bridges and it should be calculated by an expert with an experience of 2-D heat transfer simulation. If a non-expert can get a linear thermal transmittance without complex calculation, it would be very helpful. So, in this way, in most of European nations, simplified assessment methods for thermal bridges are provided in the national building energy performance evaluation standard. In this study, the regression models which predict linear thermal transmittances for three types of wall-slab joints (internal insulation, internal insulation with subsidiary insulation under slab, and external insulation) are suggested. 2-D heat transfer simulations were performed to calculate linear thermal transmittances for several variables, and then regression equations were derived, which showed a good match with 2-D heat transfer simulation results with p values <0.0001. These regression models can be used for the building energy performance calculation including the effects of thermal bridges.

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Abstract
1. 서론
2. 선형 열관류율 산출 방법 및 활용 현황
3. 내, 외단열 공동주택 벽-슬라브 접합부 열교부위의 선형 열관류율 예측
4. 결론
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