Multi-Objective Optimization for Cooling and Interior Natural Lighting in Buildings for Sustainable Renovation

In order to achieve the ‘nearly zero-energy’ target and a comfortable indoor environment, an important aspect is related to the correct design of the transparent elements of the building envelope. For improving indoor daylight penetration, architectural solutions such as light shelves are nowadays c...

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Vydáno v:Sustainability Ročník 14; číslo 13; s. 8001
Hlavní autoři: Ruggiero, Silvia, Iannantuono, Marco, Fotopoulou, Anastasia, Papadaki, Dimitra, Assimakopoulos, Margarita Niki, De Masi, Rosa Francesca, Vanoli, Giuseppe Peter, Ferrante, Annarita
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.07.2022
Témata:
Climate change
Cooling
Design
Energy
Genetic algorithms
Geometry
Lighting
Optimization
Simulation
Software
Sustainability
ISSN:2071-1050, 2071-1050
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Shrnutí:In order to achieve the ‘nearly zero-energy’ target and a comfortable indoor environment, an important aspect is related to the correct design of the transparent elements of the building envelope. For improving indoor daylight penetration, architectural solutions such as light shelves are nowadays commercially available. These are defined as horizontal or inclined surfaces, fixed or mobile, placed on the inner and/or the outer side of windows, with surface features such to reflect the sunlight to the interior. Given the fact that these elements can influence different domains (i.e., energy need, daylighting, thermal comfort, etc.), the aim of this paper is to apply a multi-objective optimization method within the design of this kind of technology. The case study is a student house in the University of Athens Campus, subject to a deep energy renovation towards nZEB, under the frame of H2020 European project Pro-GET-onE (G.A No 723747). Starting from the numerical model of the building, developed in EnergyPlus, the multi-objective optimization based on a genetic algorithm is implemented. The variables used are various light shelves configurations by differing materials and geometry, as well as different window types and interior context scenarios. Finally, illuminance studies of the pre- and post-retrofit building are also provided through Revit illuminance rendering.
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ISSN:2071-1050
2071-1050
DOI:10.3390/su14138001