Assessing the impact of courtyards in cooling energy demand in buildings

JOURNAL OF CLEANER PRODUCTION

卷:320

Article

de la Flor, Francisco Jose Sanchez¹  Ruiz-Pardo, Alvaro¹  Diz-Mellado, Eduardo²  Rivera-Gomez, Carlos²  Galan-Marin, Carmen² 

[1] Univ Cadiz, Escuela Super Ingn, Dept Maquinas Motores Term, Avda Univ Cadiz, Puerto Real 11519, Spain

[2] Univ Seville, Escuela Tecn Super Arquitectura, Dept Construcc Arquitecton 1, Avda Reina Mercedes,2, Seville 41012, Spain

关键词: Building performance simulation;    Building energy modelling (BEM);    Building energy demand;    Passive cooling;    Inner courtyards;    Simulation tools;   

DOI  :  10.1016/j.jclepro.2021.128742

来源: Elsevier

【 摘 要 】

Sustainable passive design strategies can reduce the energy consumption of buildings. In this regard, inner courtyards act as microclimate modifiers that enhance the perception of comfort in the surrounding environment. The present study, through a pooled analysis of experimental and numerical data, intends to assess the beneficial effect that the courtyards have in reducing the energy consumption of the buildings, especially for cooling demand. Accordingly, a new methodology allowing the use of different experimental data for facades and courtyards in software tools for the assessment of the real energy performance of buildings with courtyards is proposed. Besides, a detailed example of the application of the proposed methodology is performed for two scenarios simultaneously: a case study (considering the courtyard effect on the air temperature) and a reference one (without considering this effect). From the results, it is found that the courtyard reduces the demand for cooling in the spaces bordering it. As expected, the magnitude of the cooling demand reduction is correlated to the floor level, is increased at lower floors in the courtyard building. This relative reduction is up to 11%, being, for the case study analyzed, an average reduction of 7%.

【 授权许可】

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