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Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria

Daylight quality and quantity in Algerian schools display a serious condition in ensuring the visual comfort of students and teachers. Some problems arise due to poor window design and excessive amounts of daylight penetration into the classrooms as well as non-uniform daylight distribution, which m...

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Main Author: Abdelhakim, Mesloub
Format: Thesis
Language:English
Published: 2015
Subjects:
TH Building construction
Online Access:http://eprints.utm.my/id/eprint/77715/1/MesloubAbdelhakimMFAB20151.pdf
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spelling my.utm.777152018-06-29T21:29:54Z http://eprints.utm.my/id/eprint/77715/ Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria Abdelhakim, Mesloub TH Building construction Daylight quality and quantity in Algerian schools display a serious condition in ensuring the visual comfort of students and teachers. Some problems arise due to poor window design and excessive amounts of daylight penetration into the classrooms as well as non-uniform daylight distribution, which may cause glare and heat gain. This study aimed at choosing an ideal window size and glazing pattern to maximise daylight effectiveness and occupant comfort in Algerian schools. Field measurements of selected classrooms were carried out in selected schools in Algeria during the summer and winter seasons. The data were analysed and used to develop a model design for simulation. Seven patterns of glazing window design was used for an extensive simulation exercise. The results of the investigation from the site measurements show that WWR was more than 40%; the WPI was found to be within the range of 300lux to 500lux and the DF of 4%, which exceeded reference value, except the southeast orientation which recorded 2.98%. Results from the simulation using IES <VE> by comparing three different glazing types (tint, clear and reflective) and using different glazing size from 25% to 75% in winter (under overcast sky condition) and summer (under intermediate sky condition). The evidence from this study suggests that tinted windows in both winter and summer is ideal as the simulation’s result shows that significant usable area (31.22% - 41.74%) is achievable in a bilateral window opening with a DF<2 by increasing the percentage of the tinted glass from 25% to 75%. From the results this research suggests that a 30% WWR with a tinted glass of 50% VT in a bilateral school design would be ideal for public schools in Algeria as it yielded a WPI within the range of 300lux to 500lux. The use of different glazing configurations during the experiment had a significant impact in the improvement of the quantity and quality of daylighting. 2015-09 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/77715/1/MesloubAbdelhakimMFAB20151.pdf Abdelhakim, Mesloub (2015) Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria. Masters thesis, Universiti Teknologi Malaysia, Faculty of Built Environment. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:106710
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TH Building construction
spellingShingle TH Building construction
Abdelhakim, Mesloub
Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
description Daylight quality and quantity in Algerian schools display a serious condition in ensuring the visual comfort of students and teachers. Some problems arise due to poor window design and excessive amounts of daylight penetration into the classrooms as well as non-uniform daylight distribution, which may cause glare and heat gain. This study aimed at choosing an ideal window size and glazing pattern to maximise daylight effectiveness and occupant comfort in Algerian schools. Field measurements of selected classrooms were carried out in selected schools in Algeria during the summer and winter seasons. The data were analysed and used to develop a model design for simulation. Seven patterns of glazing window design was used for an extensive simulation exercise. The results of the investigation from the site measurements show that WWR was more than 40%; the WPI was found to be within the range of 300lux to 500lux and the DF of 4%, which exceeded reference value, except the southeast orientation which recorded 2.98%. Results from the simulation using IES <VE> by comparing three different glazing types (tint, clear and reflective) and using different glazing size from 25% to 75% in winter (under overcast sky condition) and summer (under intermediate sky condition). The evidence from this study suggests that tinted windows in both winter and summer is ideal as the simulation’s result shows that significant usable area (31.22% - 41.74%) is achievable in a bilateral window opening with a DF<2 by increasing the percentage of the tinted glass from 25% to 75%. From the results this research suggests that a 30% WWR with a tinted glass of 50% VT in a bilateral school design would be ideal for public schools in Algeria as it yielded a WPI within the range of 300lux to 500lux. The use of different glazing configurations during the experiment had a significant impact in the improvement of the quantity and quality of daylighting.
format Thesis
author Abdelhakim, Mesloub
author_facet Abdelhakim, Mesloub
author_sort Abdelhakim, Mesloub
title Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
title_short Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
title_full Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
title_fullStr Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
title_full_unstemmed Glazing design for bilateral daylighting in public school classrooms in northern part of Algeria
title_sort glazing design for bilateral daylighting in public school classrooms in northern part of algeria
publishDate 2015
url http://eprints.utm.my/id/eprint/77715/1/MesloubAbdelhakimMFAB20151.pdf
http://eprints.utm.my/id/eprint/77715/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:106710
_version_ 1643657612633309184
score 13.211869

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