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Predicting Daylight Illuminances on Vertical Surfaces Using Luminous Efficacy of SolarIr radiance
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 Title & Authors
Predicting Daylight Illuminances on Vertical Surfaces Using Luminous Efficacy of SolarIr radiance
Yoon, Kap-Chun; Kim, Kang-Soo;
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 Abstract
Exterior vertical illuminance is an important factor for lighting control. But, there are not many researches about the exterior illuminance on a vertical surface. In this study, we predicted the exterior illuminance on a vertical surface using vertical luminous efficacy. First, we calculated the vertical luminous efficacy according to the sky clearness category. And we performed the statistical analysis of the measured and the calculated illuminance with luminous efficacy. The MBE and RMSE of the predicted exterior illuminance were-1.2% and 15.5%, respectively. Second, the annual illuminance on a vertical surface calculated with the luminous efficacy and the short-term measured solar irradiance was suggested in this study.
 Keywords
Daylight illuminance;Vertical surface;Solarir radiance;Luminous efficacy;
 Language
Korean
 Cited by
1.
실내 주광조도 간이 예측식을 활용한 담천공 시의 자연 채광 성능 평가,윤갑천;윤수인;김성식;김강수;

한국태양에너지학회 논문집, 2014. vol.34. 5, pp.1-9 crossref(new window)
2.
CIE 표준 담천공과 청천공 모델의 천공 휘도분포 예측 방법에 관한 연구,김철호;김강수;

한국태양에너지학회 논문집, 2016. vol.36. 3, pp.33-43 crossref(new window)
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