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논문 기본 정보

자료유형
학술저널
저자정보
장민우 (국민대학교) 이행우 (미래환경플랜건축사사무소) 서장후 (국민대학교) 김용성 (국민대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제30권 제9호
발행연도
2018.9
수록면
401 - 412 (12page)
DOI
10.6110/KJACR.2018.30.9.401

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Recently, there has been an increase in the number of studies on the performance of light shelf with an aim of solving the issue of increasing lighting energy consumption in the building sector. However, the efficiency of the light shelf is limited in terms of building energy saving as operating technologies are applied to improve the daylighting performance in response to the external environment. Therefore, this study proposes a light shelf using a prism sheet and aims to verify its effectiveness based on performance evaluation through a full-scale test bed. The conclusions of the study are as follows : 1) This study derived the optimal variables for light shelf installation (Case 1), prism sheet attachment (Case 2), and light shelf with prism sheet (Case 3). 2) Based on the optimal variables, saving lighting energy was achieved in Case 3 compared to Case 1 and Case 2 by 2.6% and 14.9%, respectively. In addition, the fixed type of Case 3 at the angle of 0° led to saving of lighting energy compared to Case 2 and Case 3 by 2.6% and 14.9%, respectively. The results reveal that Case 3 proposed in this study is effective in terms of using the prism sheet to obtain the daylighting efficiency of a movable light shelf. 3) Based on the optimal angles derived for each case, the uniformity of Case 3 can be improved by 11.4% and 12.1% in the summer, and 0% and 6.3% in the mid-season, compared to Case 1 and Case 2, respectively. However, the application of the prism sheet during winter reduces the uniformity, so it is preferable to remove the prism sheet during winter.

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Abstract
1. 서론
2. 광선반, 프리즘시트 및 실내조도기준 고찰
3. 성능평가 방법, 환경 설정 및 결과
4. 결론
References

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