Green roofs and white roofs thermal performance comparison using IR techniques
Vol. 25 No. 5 (2015), Artículos
Vol. 25 No. 5 (2015)

Green roofs and white roofs thermal performance comparison using IR techniques

Artículos
https://doi.org/10.15174/au.2015.782
Published 2015-10-16
Eduardo Ernesto Ordoñez López
Facultad de Ingeniería Universidad Autónoma de Yucatán
María Milagrosa Pérez Sánchez
Universidad Autónoma de Yucatán
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Keywords

Ahorro de energía
confort térmico
techos verdes
techos blancos. Energy saving
thermal comfort
green roofs
white roofs.

How to Cite

Ordoñez López, E. E., & Pérez Sánchez, M. M. (2015). Green roofs and white roofs thermal performance comparison using IR techniques. Acta Universitaria, 25(5), 11–19. https://doi.org/10.15174/au.2015.782
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Abstract

This study evaluated the thermal performance of green roof and white roof systems in buildings with the honeycomb slab and self-supporting sheet in reinforced pre-stretched concrete roof system (HSSSRPC). Comparison based on the hypothesis that environmental related degradation in the performance of white roofs could lead to the green roofs been a better alternative for energy savings in buildings. In addition,  indirect measurement of temperature through infrared sensors was also validated to avoid problems associated with the spatial thermal gradients present in the HSSSRPC system. Results show that the performance of white roofs is seriously affected by the degradation of its albedo. Observations show that green roofs have a better ability to reduce temporary fluctuations in temperature and to promote better conditions for thermal comfort into the building compared with white roofs.

https://doi.org/10.15174/au.2015.782
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