Improved Window Design in Buildings Light Shelf System to Improve Window Design in Bed Room, Residential Building , Overcast Condition in Sinai | ||||
| Port-Said Engineering Research Journal | ||||
| Article 2, Volume 21, Issue 2, September 2017, Page 9-18 PDF (1011.56 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/pserj.2017.33228 | ||||
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| Authors | ||||
Wagih Youssef1; Marwa Mostafa Ahmed2; Omnya Saleh zekry  3
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| 1Professor of Architecture , Faculty of Engineering , Shobra, Benha University | ||||
| 2PHD, Department of Architecture, Faculty of Engineering and Urban planning Department- Port Said University | ||||
| 3Teaching Assistant at the Department of Architecture ,Faculty of Engineering Sciences , Sinai University, | ||||
| Abstract | ||||
| Daylighting represents an important factor in human's life , well-being and caused more productivity in space. In recent studies , advanced daylighting systems together with innovation of materials could improve illuminate level in interior space and healthy indoor environment. The aim of the current study is to improve window design in buildings according to daylighting requirements and design recommendations to enhance daylighting performance of the indoor environment , reduce energy consumption of using artificial lighting in a day , and enhance human health . In the same context, the study focuses on using light shelf system as advanced daylighting systems. In this daylighting case study, the performance of the Illumination Engineering Society (IES) metric to Spatial Daylight Autonomy is 300/50% (SDA) , daylight availability as well as annual daylight glare probability (DGP%) not exceed 17% in winter ,were analyzed to improve daylighting distribution in bed room space in residential area. The same result has been verified by simulation . The room is 4m x 4 m area , 3 m height . A window has a minimum area opening to external wall (WWR 15%) .The room has been finished with material's reflectivity to floor is 15%, walls are 50% , ceiling 70%, door is 35% and window is 15% . Diva- plug-in For Rhinoceros was used to interface radiance and Dayism to analyze and evaluate 432 configurations to optimize cases. This paper aims to reach healthy distributed curve of indoor environmental daylighting , (1 : 0.30: 0.10) to achieve visual comfort and task performance to man's life .The enhanced daylighting performance depends on the best position of light shelf according to overcast sky condition in Sinai | ||||
| Keywords | ||||
| Daylighting; Overcast sky- Advanced Daylighting Systems- Light shelf- Innovative Materials; In residential area | ||||
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