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Thermal Effects of Dew on Cool Roofs and Conventional Roofs in Building Performance Simulations
Energy and Buildings, 2022This paper presents a numerical investigation of dew formation on the roofs of buildings, and its influence on building thermal and energy performance. A new semi-analytical model was developed to evaluate the effects of rooftop dew, including the release/absorption of latent heat due to condensation/evaporation, the variation of apparent thermal ...
Lin, Wenye +4 more
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Radiative cooling by a diode roof
Solar & Wind Technology, 1986Abstract The research of thermal comfort in buildings has always been a preoccupation for people. In hot regions, generally, the problem to solve, in order to enjoy thermal comfort, is effective cooling. Architecture evolution in the last few years, in hot and arid regions, and particularly in the Third World, dictates that cooling systems in ...
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Technical Advances in the EU Cool Roof Project
Proceedings of the EuroSun 2010 Conference, 2010Cool materials keep the roof cool under the sun by reflecting the solar radiation away from the building and radiating the stored heat away during night time. The potential of the technology is very promising at EU level and, in particular, in the Mediterranean area.
Zinzi, Michele +5 more
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What’s Up On The Roof: Tracking Cool Roofs in India with Satellite Imaging
ACM Journal on Computing and Sustainable SocietiesWith rapid pace of urbanization, the increase in built up area is leading to urban heat islands which absorb a lot of the heat received through solar radiation. To reduce this effect, reflective coatings on top of building roofs, known as cool roofs are installed.
Varchita Lalwani +2 more
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Applied Mechanics and Materials, 2016
Well known problem of urban heat island is partly due to the albedo of traditional roofs. Mostexperts of urban climate are convinced that the intensity of urban heat island will be less if theroofs reflect as big part of the solar radiation as possible.
Dominika Kassai-Szoó, András Zöld
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Well known problem of urban heat island is partly due to the albedo of traditional roofs. Mostexperts of urban climate are convinced that the intensity of urban heat island will be less if theroofs reflect as big part of the solar radiation as possible.
Dominika Kassai-Szoó, András Zöld
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On the analysis of cool roofs for cooling system efficiency
2013Cool roof is a well-documented passive cooling strategy for buildings in several climate conditions. The mechanism consists of the reduction of the heat load entering the roof, which is characterized by high solar reflectance and high thermal emittance. The purpose of this paper is to study the coupled effect produced by such a technology.
PISELLO, ANNA LAURA +2 more
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Cool materials and cool roofs: Potentialities in Mediterranean buildings
Advances in Building Energy Research, 2010Abstract The Mediterranean is a complex region, with differences in terms of environmental hazards, population growth, urban sprawl and economic development. The climate change affects all of the area and common risks are already detected. An urban heat island was monitored in a large and medium urban area.
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Sustainable Cities and Society
Cities face dual responsibilities of decarbonization and resilience building under climate change, yet high-density urban areas have limited space for interventions. Green roofs (GR) offer a synergistic strategy, but their decarbonization benefits from spatial cooling are often assessed by “black-box” simulations: models that offer low controllability ...
Xin Dong, Feng Lu, Bao-Jie He
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Cities face dual responsibilities of decarbonization and resilience building under climate change, yet high-density urban areas have limited space for interventions. Green roofs (GR) offer a synergistic strategy, but their decarbonization benefits from spatial cooling are often assessed by “black-box” simulations: models that offer low controllability ...
Xin Dong, Feng Lu, Bao-Jie He
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Life Cycle Costs of Metal Roof, Concrete Tile Roof and the Intelligent Cooling Roof
2015This study introduces the principle of an intelligent cooling and compares the life cycle costs of a concrete cooling roof, a metal cooling roof and the intelligent cooling roof. We conclude that the intelligent cooling roof is more cost effective than both the concrete cooling roof and the metal cooling roof.
Min Wu +8 more
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