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논문 기본 정보

자료유형
학술저널
저자정보
김다솜 (국민대학교) 이행우 (국민대학교) 서장후 (국민대학교) 김용성 (국민대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제28권 제9호
발행연도
2016.9
수록면
343 - 349 (7page)

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초록· 키워드

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Due to the recent increase in lighting energy consumption in buildings, there are a growing number of studies seeking solutions this problem. The effectiveness of light-shelves as natural lighting systems to solve this problem has been recognized, and various studies regarding such systems are being carried out currently. However, the lighting efficiency of light-shelves decreases if illumination intensity is low-such as at night time, and it also obstructs the views of building occupants. Therefore, the purpose of this study is to examine a movable drawer type light-shelf which allows for the width of the reflector to be adjusted and verify its performance through a simulated test-bed. The following conclusions were reached. 1) The purpose of this study is to solve the problem previously associated with the light-shelf system- of obstructed views-by responding to external environments and minimizing the width of the light-shelf at night time when the efficiency of the light-shelf declines. 2) The proper variables of the movable drawer type light-shelf which enables the width adjustment of the reflector were ascertained in this study according to four solar terms : a width of 0.6 m at an angle of 20°, a width of 0.4m with an angle of 20°, and a width of 0.1 m with an angle of 20° were determined for the summer solstice, fall/spring equinoxes, and winter solstice respectively; revealing that width adjustment of the light-shelf is a significant factor. 3) The movable drawer type light-shelf which enables\width adjustment of the reflector suggested in this study can reduce the lighting energy consumption by 18.7% and 14.3% in comparison to previous light-shelves with a fixed width of 0.3 m and 0.6m, indicating that it is effective for saving energy.

목차

Abstract
1. 서론
2. 광선반 및 실내 적정 조도 기준
3. 반사판의 폭 조절이 가능한 서랍형 타입의 가동형 광선반 제안
4. 성능평가 환경설정 및 결과
5. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-553-001110213