Positioning of light shelves to enhance daylight illuminance in office rooms

This paper aims to improve daylighting by using light shelves. Horizontal light shelf is found to increase the illuminance in the interior of office rooms. By tilting external light shelf more illuminance can be achieved. For uniformity of illuminance tiltable light shelf is the best choice instead...

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Main Authors: Mohapatra, Badri Narayan (Author), Kumar, M. Ravi (Author), Mandal, Sushanta Kumar (Author)
Format: EJournal Article
Published: Institute of Advanced Engineering and Science, 2019-07-01.
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042 |a dc 
100 1 0 |a Mohapatra, Badri Narayan  |e author 
100 1 0 |e contributor 
700 1 0 |a Kumar, M. Ravi  |e author 
700 1 0 |a Mandal, Sushanta Kumar  |e author 
245 0 0 |a Positioning of light shelves to enhance daylight illuminance in office rooms 
260 |b Institute of Advanced Engineering and Science,   |c 2019-07-01. 
500 |a https://ijeecs.iaescore.com/index.php/IJEECS/article/view/17491 
520 |a This paper aims to improve daylighting by using light shelves. Horizontal light shelf is found to increase the illuminance in the interior of office rooms. By tilting external light shelf more illuminance can be achieved. For uniformity of illuminance tiltable light shelf is the best choice instead of horizontal light shelf. The performance of light shelves was examined through simulations on DIALux and compared with experimental values obtained from a prototype. Substantial improvement in illuminance is obtained in the experimental studies with tilted light shelves on the prototype. 
540 |a Copyright (c) 2019 Institute of Advanced Engineering and Science 
540 |a http://creativecommons.org/licenses/by-nc/4.0 
546 |a eng 
690 |a Electronics; Optics;Communication;Energy 
690 |a Daylighting ;Light shelf ; DIALux; Illuminance; Sunlight; Daylight simulation. 
655 7 |a info:eu-repo/semantics/article  |2 local 
655 7 |a info:eu-repo/semantics/publishedVersion  |2 local 
655 7 |2 local 
786 0 |n Indonesian Journal of Electrical Engineering and Computer Science; Vol 15, No 1: July 2019; 168-177 
786 0 |n 2502-4760 
786 0 |n 2502-4752 
786 0 |n 10.11591/ijeecs.v15.i1 
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