On the ageing of cool roofs: measure of the optical degradation, chemical and biological analysis and assessment of the energy impact
- Mastrapostoli Elena ()
- Santamouris, Matheos(http://viaf.org/viaf/305766604)
- Κολοκοτσα Διονυσια(http://users.isc.tuc.gr/~dkolokotsa)
- Kolokotsa Dionysia(http://users.isc.tuc.gr/~dkolokotsa)
- Περδικατσης Βασιλης(http://users.isc.tuc.gr/~vperdikatsis)
- Perdikatsis Vasilis(http://users.isc.tuc.gr/~vperdikatsis)
- Βενιερη Δαναη(http://users.isc.tuc.gr/~dvenieri)
- Venieri Danai(http://users.isc.tuc.gr/~dvenieri)
- Γομπακης Κωνσταντινος(http://users.isc.tuc.gr/~kgobakis)
- Gobakis Konstantinos(http://users.isc.tuc.gr/~kgobakis)
DOIAbstract
Summarization: The use of cool materials for heat island mitigation has gained a lot of interest during the past few years. Cool materials are characterized by high solar reflectance and infrared emittance values. To maximize cooling energy savings, high albedo roof coatings should maintain the above properties for the service life of the coating. The aim of the present paper is to analyze the weatherisation of the cool roofs in two buildings in Athens Greece. The optical properties of the aged and new cool roofs are measured and compared. The impact of ageing in the two buildings’ energy performance is estimated. A mineralogical analysis is performed in order to quantify the deposition of pollutants on the cool roofs’ surface. In addition,...
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