2008
DOI: 10.1016/j.enbuild.2008.06.015
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Effect of roof solar reflectance on the building heat gain in a hot climate

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Cited by 203 publications
(97 citation statements)
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“…Similarly, [30] found that materials capable of reflecting greater amount of radiation back to the atmosphere, provide a lower temperature of the roofing surface and, consequently, a more pleasant indoor environment. Being that according to [25], the decrease in absorption of solar energy by the roofing is extremely important in reducing spending with the cooling in the indoor of building, this result is similar to that observed in this study, where the reflective paint on the outside of the coverage promoted smaller IST values and EST the same, being observed the positive effect of reflective paint on the lower absorption of solar energy.…”
Section: °C)supporting
confidence: 81%
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“…Similarly, [30] found that materials capable of reflecting greater amount of radiation back to the atmosphere, provide a lower temperature of the roofing surface and, consequently, a more pleasant indoor environment. Being that according to [25], the decrease in absorption of solar energy by the roofing is extremely important in reducing spending with the cooling in the indoor of building, this result is similar to that observed in this study, where the reflective paint on the outside of the coverage promoted smaller IST values and EST the same, being observed the positive effect of reflective paint on the lower absorption of solar energy.…”
Section: °C)supporting
confidence: 81%
“…It is verified a decrease of 30.7% in the EST between treatments FB (dark surface) and FBP (light color surface) showing the efficiency of the reflective paint on the cover in the increased of reflectance and decreased of absorptance thereof. This result is according to findings of [25], who observed a heat gain 30% lower when using light-colored roof regarding the dark-colored roof. In the case of bamboo roof (BA and BAP), the difference between the roof with and without the reflective paint was lower (18.5%), due to the fact the bamboo tile naturally presents a lighter color in relation to the vegetable fiber tile and bitumen, in which case the smallest variation in temperature between this type of roof with and without use of reflective paint was already expected.…”
Section: Methodssupporting
confidence: 75%
“…SUEHRCKE; PETERSON; SELBY, 2008;HERNÁNDEZ-PÉREZ et al, 2014). Segundo a NBR 15220-1 (ABNT, 2005), a absortância pode ser definida como a razão entre a taxa de radiação solar incidente e a taxa de radiação solar absorvida por uma superfície.…”
Section: Introductionunclassified
“…Assuming roughly that the internal thermal gains of the building and the solar heat gain accounts are significant and account 50% of the building envelope [23][24][25] …”
Section: Thermal Energy Storagementioning
confidence: 99%