Optimization of coupled building roof solar reflectance and thermal insulation level for annual energy saving under different climate zones

Piselli, Cristina; Pisello, Anna Laura; Gracia Cuesta, Alvaro de; Saffari Tabalvandani, Mohammad; Cotana, Franco; Cabeza, Luisa F.

doi:https://doi.org/10.18086/swc.2017.35.03

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Issue date

2017

Author

Piselli, Cristina

Pisello, Anna Laura

Gracia Cuesta, Alvaro de

Saffari Tabalvandani, Mohammad

Cotana, Franco

Cabeza, Luisa F.

Suggested citation

Piselli, Cristina; Pisello, Anna Laura; Gracia Cuesta, Alvaro de; Saffari Tabalvandani, Mohammad; Cotana, Franco; Cabeza, Luisa F.; . (2017) . Optimization of coupled building roof solar reflectance and thermal insulation level for annual energy saving under different climate zones. ISES Conference Proceedings, comunicació presentada al ISES Solar World Congress and the IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry, Abu Dhabi del 29 d'octubre al 2 de novembre de 2017. International Solar Energy Society. http://hdl.handle.net/10459.1/64859.

Abstract

The aim of this work is to assess building energy performance optimization potential of cool roof solutions in different climate conditions worldwide through dynamic thermal-energy simulation and optimization analysis. Moreover, given the dependence of roof performance on insulation level, the influence of roof insulation variation on optimum roof solar reflectance is evaluated. Therefore, the multi-dimensional optimization of combined building roof solar reflectance capability and thermal insulation level is carried out to minimize annual energy consumption for air-conditioning of standard ASHRAE building model for small offices, in each considered climate zone. Findings of this research highlight how the classic approach of super-insulated buildings for energy saving needs to be reframed for the office case, by integrating other passive solutions for truly environmentally friendly and comfortable buildings.

URI

http://hdl.handle.net/10459.1/64859

DOI

https://doi.org/10.18086/swc.2017.35.03

Is part of

ISES Conference Proceedings, comunicació presentada al ISES Solar World Congress and the IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry, Abu Dhabi del 29 d'octubre al 2 de novembre de 2017