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An experimental and numerical approach to multifunctional urban surfaces through blue roofs

dc.contributor.authorRey Mahía, Carlos 
dc.contributor.authorÁlvarez Rabanal, Felipe Pedro 
dc.contributor.authorSañudo Fontaneda, Luis Ángel 
dc.contributor.authorHidalgo Tostado, Mario
dc.contributor.authorMenéndez Suárez-Inclán, Antonio
dc.identifier.citationSustainability, 14(3) (2022); doi:10.3390/su14031815
dc.description.abstractUncontrolled urban growth causes a number of problems associated with land use, stormwater management and energy generation. Sustainable Urban Drainage Systems (SUDS) are positioned as an alternative to traditional constructive solutions, contributing towards the generation of multifunctional urban spaces for efficient stormwater management and energy consumption reduction. Nevertheless, this combined goal calls for a deeper understanding of the heat transfer processes that govern the temperature performance in SUDS in order to be further validated as infrastructure to house renewable energy elements. This study intends to determine the thermal properties of two types of blue roofs under extreme conditions of performance (wet and dry), depicting the operation features of their layers and comparing their performances based on the materials used. With this aim, a hybrid experimental methodology, combining laboratory and numerical modelling, was designed using standardized equipment (ISO 8990:1994 and ASTM C1363-05), improving previous methods proposed in the study of the thermal properties of SUDS. The section with expanded clay improved the hydraulic capacity by 4.8%. The section without expanded clay increased its thermal transmittance value by 64.9% under wet conditions. It was also found that the presence of water increased the equivalent thermal conductivity in both sections by
dc.description.sponsorshipThis investigation was funded by the FICYT through the GRUPIN project, grant number SV-PA-21-AYUD/2021/51328, co-financed with EU FEDER funds. Carlos Rey-Mahía would like to thank the University of Oviedo for the Predoctoral Grant with reference
dc.rightsCC Reconocimiento 4.0 Internacional
dc.rights© 2022 Los autores
dc.subjectblue roofspa
dc.subjectenergy-water nexusspa
dc.subjecthot-box testspa
dc.subjectnature-based solutions (NBS)spa
dc.subjectlow impact development (LID)spa
dc.subjectstormwater constructed measures (SCM)spa
dc.subjectgreen infrastructure (GI)spa
dc.subjectwater sensitive urban design (WSUD)spa
dc.titleAn experimental and numerical approach to multifunctional urban surfaces through blue roofsspa
dc.typejournal articlespa
dc.rights.accessRightsopen access

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