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[학술저널]

자연채광 연구용 인공천공의 휘도분초 조정연구 및 주요 오차요인 분석

  • 학술저널

자연채광 연구용 인공천공의 휘도분초 조정연구 및 주요 오차요인 분석

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Reflective dom-type artificial skies are effective tools in daylight research and design. However the artificial skies need to be designed carefully for design if 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. But calibrating the luminance distribution whithin 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. In addition, since the artificial skyes have a restricted space, they cause several measurement errors by thing such a scale and position of models.
The purpose of this study was to develop calibration method for dome-type artificial skies using the RADIANCE program and to study the characteristics of measurement erroes in the artificial sky. An existing artificial sky in H university was calibration so that it reproduce the standard CIE overcast sky. The size and position of the physical scale model in the specific artificial sky were identified to be major factors for measurement errors.

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