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6. Greenhouse effect
6.1 Principle of the greenhouse effect
Solar energy entering a room through glazing is absorbed by furniture and interior walls.
As these heat up, they re-emit thermal radiation, mainly in the far infrared range with wavelengths above 5,000 nm, for which glass is practically opaque.
Incoming energy is trapped in the room and the temperature of the ambient air rises, sometimes causing discomfort in summer and even winter (figure 8 ).
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Greenhouse effect
Thermal and visual comfort
Bibliography
Website
The glass portal http://www.verreonline.fr/
Regulations
FFPV professional rules
Council of State decrees – RT 2012 and certificates of compliance with thermal regulations for new buildings:
Decree no. 2010-1269 of October 26, 2010 on the thermal characteristics and energy performance of buildings
Decree no. 2011-544 of May 18, 2011 on certificates of compliance with thermal...
Standards and norms
- Glass in construction – Determining the luminous and solar characteristics of glazing - NF EN 410 - 04-11
- Glass in construction – Determining the thermal transmittance U – Calculation method - NF EN 673 - 04-11
- Appendix A – Solar shading devices combined with glazing – Calculating solar and light transmittance – Simplified method - NF EN 13363-1 - 05-04
- Appendix B – Solar shading devices combined...
Directory
CEKAL Association – French certification body for insulating glass units http://www.cekal.com
FFPV (French Federation of Glass Professionals) http://www.ffpv.org
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