Monitoring and Evaluation of a Light-pipe System used in Korea

作者：Yun Geun Young; Shin Hwa Young; Kim Jeong Tai^*

来源：Indoor and Built Environment, 2010, 19(1): 129-136.

DOI：10.1177/1420326X09358007

• Light-pipe system used in Korea
• Tubular guidance system
• Monitoring study
• Daylighting performance
• Illuminance distribution
• Daylight penetration factor
• Sky conditions

The use of natural lighting has the potential for improving both the energy efficiency and indoor environmental quality in buildings. A light-pipe system can bring natural light to spaces that would otherwise not be able to benefit from the advantages of daylight penetration. This paper presents the monitoring results of a light-pipe system that was installed in a windowless space of a building located in Korea. Indoor illuminance distributions and concurrent outdoor illuminance were monitored at a 1 s interval over a period from April 2009 to May 2009. The results demonstrated the effects caused by the amount of clouds, solar altitudes and external total illuminances; on both the daylighting performance of the light-pipe system and the indoor illuminance distributions of the space. The findings of this study indicated that the light-pipe system could be an effective tool particularly for introducing daylight indoors, even under overcast sky conditions in Korea.

• 出版日期2010-2