2019
DOI: 10.3390/en12224295
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Preliminary Study on the Performance Evaluation of a Light Shelf Based on Reflector Curvature

Abstract: The consumption of lighting energy in buildings continues to rise, and many studies are being conducted to address this problem. As part of such initiatives, research is being performed on light shelves, which are natural lighting systems. However, most prior studies focused on variables for operating flat reflectors and light shelves. This study aims to evaluate the performance of curved light shelves to prove their effectiveness and derive optimal specifications for them. The following conclusions were reach… Show more

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Cited by 13 publications
(12 citation statements)
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“…This demonstrates the improvement of daylighting performance and the effectiveness of applying a prism sheet. Previous studies of light shelves [11][12][13][14][15][16][18][19][20] mentioned the need for movable light shelves to improve daylighting performance and save lighting energy; however, this study produced valid results in improving daylighting performance without operating or moving the light shelf.…”
Section: Discussionmentioning
confidence: 73%
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“…This demonstrates the improvement of daylighting performance and the effectiveness of applying a prism sheet. Previous studies of light shelves [11][12][13][14][15][16][18][19][20] mentioned the need for movable light shelves to improve daylighting performance and save lighting energy; however, this study produced valid results in improving daylighting performance without operating or moving the light shelf.…”
Section: Discussionmentioning
confidence: 73%
“…However, controlling movable light shelves requires additional energy, so optimal designs need to be applied to deal with related issues. Light shelves are classified into external and internal light shelves depending on the installation location [14]; external light shelves have better daylighting performance than internal light shelves [18], however, there are issues related to damage and maintenance since they are installed on the outside [17].…”
Section: Concept Of a Light Shelf And Summary Of Previous Studiesmentioning
confidence: 99%
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