기존 각파이프 프레임과 트러스 단열 프레임 적용 커튼월 시스템의 단열성능 비교평가
Comparison of Insulation Performance of Curtain Wall System with Conventional Rectangular Pipe Frame and Truss-shaped Insulation Frame
- 주제(키워드) 커튼월 시스템 , 트러스 단열 프레임 , 열교 , 유효 열관류율 , 결로 , Curtain wall system , Truss-shaped insulation frame , Thermal bridge , Effective U-factor , Condensation
- 주제(기타) 건축에너지
- 설명문(URI) https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002689077
- 등재 KCI등재
- 발행기관 한국건축친환경설비학회
- 발행년도 2021
- URI http://www.dcollection.net/handler/ewha/000000180152
- 본문언어 한국어
초록/요약
The aim of this study is to compare the insulation performance of each curtain wall system applying the conventional rectangular pipe frame and the truss-shaped insulation frame that reduces the thermal bridging effect of the conventional frame. The insulation performance of each system was evaluated by performing a three-dimensional steady state heat transfer simulation reflecting the actual installation conditions. The results show that the heat losses of the conventional and alternative systems are 33.06 W and 21.12 W, respectively, and the effective U-factors are 0.264 W/㎡K and 0.169 W/㎡K, respectively. The effective U-factor of the conventional system is significantly higher than the design U-factor, indicating that the heat loss due to the thermal bridge is large. The effective U-factor of the alternative system is reduced by 36% compared to the conventional system, which significantly reduces the heat loss. In addition, the lowest indoor surface temperature and temperature difference ratio of the alternative system increases by 0.5℃ and decreases by 0.02, respectively, compared to the conventional system, which reduces the risk of condensation.
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