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자료유형
학술저널
저자정보
김정민 김동현 (세종대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 계획계 大韓建築學會論文集 計劃系 第30卷 第1號
발행연도
2014.1
수록면
111 - 119 (9page)

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The aim of this research was to examine the correlation between the performance of daylight and geometry of FREEFORM atrium. In consideration of the solar environments that have the greatest effect on the atrium, categorized and classified types of transformations were introduced. Atrium classification defined by vertical axis, plan scale and rotation is used to determine the transformation and the type. Several atrium cases, characterized by a different form or shape, were analysed by simplified methodology to predict DF(daylight factor), direct sunlight area and Uniformity Ratio on the atrium floor, through computer simulation by Ecotect and Radiance. Simulation programmes were used to simulate square, four-sided, top-lit atria under overcast and clear sky conditions. This study has investigated the effect on daylight performance of the geometric characteristics of atrium such as PAR, distance, translation vector, types of curve, height and angle. From the results, the design guidelines are proposed as follows. All types show a decrease of light influx and increase of UR as the atrium height increases. The height of atruim, therefore, should be considered first regardless of form class or the variables of atrium. Performance shows a big difference according to the light direction if certain transformation is made along a direction. It is maximized when the transformation aligns to the direction of light and converges to the rectangular shape with low PAR. There is a decrease in performance under the environment of lights from all directions like Overcast sky.

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Abstract
1. 서론
2. 기본이론
3. 비정형 아트리움의 형태
4. 시뮬레이션
5. 결론
6. 기대효과와 향후과제
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