RADIANCE 시뮬레이션에 의한 인공천공의 휘도분포 조정 연구

Abstract

Reflective dome-type artificial skies are effective tools in daylight research and design. However the artificial skies need careful design of they are to reproduce a desired sky luminance distribution faithfully. For daylighting studies during the building design process, the CIE overcast sky condition is the standard sky condition. However, calibrating the luminance distribution within artificial skies to reproduce the CIE overcast sky is on highly time-consuming and difficult job. Therefore, a method to improve the calibration process is required. The purpose of this study was to develop calibration method for dome-type artificial skies using the RADIANCE program. An existing artificial sky in H university was calibrated so that it reproduce the standard CIE overcast sky. The calibrated artificial sky was validated for its accuracy and useability through luminance measurement and physical scale model study.