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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국태양에너지학회 한국태양에너지학회 논문집 한국태양에너지학회 논문집 제23권 제3호
발행연도
2003.9
수록면
63 - 71 (9page)

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초록· 키워드

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According to the recent report, the lighting energy consumption of commercial buildings reaches to 30%∼40% of the total energy consumption. It is more than that of cooling & heating energy consumption and it is the major target of energy-saving policy. It is obvious that they are interested in natural lighting device such as Light-shelf for the purpose of raising the lighting energy-saving efficiency. In most of highly developed countries, a thorough study on Light-shelf makes it possible to propose a practical plan, while at home there leaves much to be desired to study a guiding principle of optimum plan in spite of its efficiency based on experiments using scaled model and analysis of simulation. Aiming at making an optimum plan of Light-shelf suitable for the domestic situation, this study is worked by experiments using light-shelf and analysis of variables using illumination program. The experiments is to analyse the efficiency of Light-shelf on condition of the sky and the analysis is to make the simulation using illumination program. This study is composed of 1) the analysis of light with some variables such as presence of light-shelf and degree of angle using 1/2 scaled model 2) making the simulation using Lightscape, illumination program. In brief, concerning presence of light-shelf, it causes little difference in its efficiency in the overcast sky, whereas it decreases an illuminance of window side and provides inner side with the light, which decreases the ratio of the maximum to the minimum inner illuminance and makes the inner of illuminance to range evenly in the clear sky. On degree of angle, as the daylight increases in proportion of degree of angle, the ratio of the maximum to the minimum inner illuminance decreases, which makes it possible to increase the proportion of inner daylight.

목차

Abstract

1. 서론

2. 자연채광방식의 이론적 고찰

3. 광선반의 성능실험

4. LightScape을 이용한 시뮬레이션 해석모델의 선정

5. 결론

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