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Thermal performance analysis for roofs with heat mitigation strategies in subtropical hot and humid regions [PDF]

open access: yesScientific Reports
The thermal behavior of roofs significantly impacts the indoor thermal environment. Rooftop mitigation strategies (RMS), as effective measures to reduce cooling load and improve indoor thermal comfort, have been extensively studied.
Yueer He, Ziyin Yang, Yue Fan
doaj   +2 more sources

Cool Roof Impact on Building Energy Need: The Role of Thermal Insulation with Varying Climate Conditions [PDF]

open access: yesEnergies, 2019
Cool roof effectiveness in improving building thermal-energy performance is affected by different variables. In particular, roof insulation level and climate conditions are key parameters influencing cool roofs benefits and whole building energy ...
Cristina Piselli   +5 more
doaj   +4 more sources

Acceptability of cool roofs: a qualitative study in Nouna, Burkina Faso [PDF]

open access: yesBMC Public Health
Background Structural passive cooling interventions such as cool roofs are used to reduce indoor ambient temperature. However, it is unknown how acceptable and desirable cool roof technology is in rural low-income settings in sub-Saharan Africa, where ...
Kate Bärnighausen   +13 more
doaj   +2 more sources

Thermal performance evaluation of a cool roof model in hot – dry climate [PDF]

open access: yesE3S Web of Conferences, 2023
Roof is an essential component of the building envelope which is exposed direct solar radiation and contributes to the maximum load of the total cooling load of the building; and is an essential interface between the indoor and outdoor environments and ...
Basher Tayseer
doaj   +1 more source

Integration of Lightweight Foam Concrete Roof, Moving-Air-Cavity, and Solar-Powered Fans for Attic Temperature Reduction

open access: yesFrontiers in Built Environment, 2021
This paper presents a novel cool roof technology system that promotes both passive and active cooling methods in reducing the attic temperature of the building. The project aimed to evaluate the effect of various roof model designs on the heating load to
Ming Chian Yew   +3 more
doaj   +1 more source

Economic comparison of cool and grey roofs of a small office building in the USA [PDF]

open access: yesSHS Web of Conferences, 2023
EnergyPlus V9.0 simulations of a typical small office building prototype in five USA cities (Albuquerque, Atlanta, Buffalo, San Diego, Rochester) indicate that adding a cool roof (albedo 0.6) for an aged grey roof (albedo 0.2) would reduce the annual ...
Wang Zixin
doaj   +1 more source

Rainwater Harvesting System Integrated With Sensors for Attic Temperature Reduction

open access: yesFrontiers in Built Environment, 2021
This cool roof system focuses on utilization of rainwater harvesting systems by integrating the smart sensor to cool the roof and attic temperatures for the improvement of comfort level of building occupants.
Ming Chian Yew   +3 more
doaj   +1 more source

Optimization of cool roof and night ventilation in office buildings: A case study in Xiamen, China [PDF]

open access: yes, 2020
Increasing roof albedo (using a “cool” roof) and night ventilation are passive cooling technologies that can reduce the cooling loads in buildings, but existing studies have not comprehensively explored the potential benefits of integrating these two ...
Gao, Y   +6 more
core   +3 more sources

‘Super cool roofs’: Mitigating the UHI effect and enhancing urban thermal comfort with high albedo-coated roofs

open access: yesResults in Engineering, 2023
This paper focuses on the impact of three types of roof retrofitting: green, high albedo-coated, also called ‘cool roofs’, and recently developed ‘super cool’ materials—in mitigating the effects of summer urban heat islands (UHI) and enhance overall ...
Mohamed H. Elnabawi   +2 more
doaj   +1 more source

Experimental analysis of energy consumption of building roof energy-saving technologies based on time difference comparison test

open access: yesFrontiers in Energy Research, 2023
The roof plays a pivotal role as it directly engages with solar radiation absorption and external heat exchange, significantly influencing the building’s overall energy dynamics. To assess the performance of green roofs and cool roofs, a roof performance
Shanguo Zhao   +4 more
doaj   +1 more source

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