low energy architecture in the tropics : from design to building contruction third african...
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LOW ENERGY ARCHITECTURE IN THE TROPICS : FROM DESIGN TO BUILDING
CONTRUCTION
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
Harry BOYER, Frédéric MIRANVILLE, François PAYET Réunion Island University
PIMENT Laboratory 117 rue du général Ailleret
97430 Le Tampon Réunion Island – France
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Design stage
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Désign sketch : initial drawing
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Building orientation
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Building orientation towards winds
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Global view of the project
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Some details on indoor space distribution
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Solar protection of the roof
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Overhangs for walls solar protection
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Specific bioclimatic design : summer confort
Espaces tampons
Rooms on crawl space (garage)
Veranda for day use
Thermal protection par buffer space (corridor)
Vegetal solar protection
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Specific bioclimatic design : tropical winter design
Confort d’hiver
Solar gains on North façades
Compromise summer confort – winter confort (270 m)
in a windy region
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Ventilation and solar protection of windows
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Natural ventilation : room part of the building
Porosity :
Room 1 North : 19% South : 19%Room 2 North : 31% Internal 20 %Room 3 North 31% Internal 20 %
1 2 3
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Natural ventilation : daytime part of the building
POROSITY : 24 % North facade 26 % South facade
+ cross ventilation
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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CODYRUN et son application
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
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Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana
Solar hot water supply
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Conclusion
Third African conference Power and Energy Systems, 6-8 Septembre 2010, Gaborone, Bostwana