Thermal performance assessment of extensive green roofs investigating realistic vegetation-substrate configurations
作者： Stefano Cascone , Antonio Gagliano , Tiziana Poli , Gaetano Sciuto
DOI: 10.1007/S12273-018-0488-Y
关键词:
摘要: Green roofing is a sustainable solution for building energy saving, urban heat island mitigation, rainwater management and pollutant absorption. The effectiveness performance of green roofs depend on layer composition properties. uncertainties surrounding roof modeling are mainly related to the vegetation substrate layer, which subjected climatic conditions. Energy simulation software typically does not use validated models encompassing all possible combinations layers substrates. Therefore, objective this research investigate different extensive solutions assessing thermal provide information design. Different simulations executed in EnergyPlus were carried out based realistic literature data drawn from previous experimental tests conducted plants Several (30 plant-substrate configurations, six vegetative species five types substrates) defined evaluated. Furthermore, indexes surface temperatures used. Finally, comprehensive ranking was created scores identify offered highest performance. Greater plant heights, LAI values leaf reflectivity improve summer more significantly than modification. During winter, heavily dependent if succulent present, regardless These results could designers with useful at preliminary stage appropriate selection.
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