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the new generation of scalable urban HEat isLand mitigatIOn by means of adaptive photoluminescent radiative cooling Skins

Descrizione del progetto

La «pelle» urbana resiliente del futuro

Le isole di calore urbane sono aree che presentano un aumento del calore dovuto all’attività antropica. Queste aree hanno un impatto significativo sul benessere, rendendo necessaria la ricerca di soluzioni. I metodi di raffreddamento passivo utilizzano scelte progettuali per accrescere il comfort e la salute degli utenti dell’edificio, riducendo al minimo il consumo energetico. È stato dimostrato che questi metodi sono in grado di mitigare lentamente le isole di calore urbane. Il progetto HELIOS, finanziato dall’UE, intende sviluppare nuove soluzioni in grado di produrre un raffreddamento passivo senza l’utilizzo di energia, sfruttando le caratteristiche delle superfici urbanizzate, dagli edifici agli spazi esterni. L’obiettivo del progetto è creare materiali innovativi che agiscano come una «pelle», in grado di costituire una sorta di pellicola superficiale che riduca gli effetti delle isole di calore urbane.

Obiettivo

From their early origins urbanization has produced both benefits and penalties due to the generated anthropogenic stress. Documented overheating such as urban heat island (UHI) compromises human wellbeing in cities, where 60% of the world population lives and is exposed to the related health risks and vulnerability. An urgent solution is much needed here and now, since classic passive cooling techniques showed to slowly mitigate UHI. A disruptive improvement must be dedicated to eradicate the problem by conducting a ground-breaking multidimensional and multidisciplinary research. That is the key motivation of HELIOS, which aims at holistically developing the resilient urban skin of the future. This skin will take advantage of the combination of successful radiative cooling in the atmospheric window(8-13μm) and high solar reflectance integrated for the first time to photoluminescence in the short wave(0.25-2.8μm) thanks to the breakthrough lead-free halide perovskites. HELIOS will develop novel radiative cooling structures into temperature responsive carriers (eg phase change-oxides, thermonastic shape-memory alloys) and albedo adaptive photoluminescent finishing, with the twofold purpose to tailor radiative supercooling performance enough to minimize winter penalties and to give the desired colour finishing, finally allowing the sustainable upscaling of this research frontier. This approach would radically change the building physics paradigm, with the ambition of rethinking built environment into a fully-dynamic resilience, as only Nature can do. HELIOS will indeed analytically and experimentally identify the thermal-radiative physics of such skin, assessing its performance for indoor-outdoor human comfort and energy-efficiency. HELIOS bio-inspired radiative and photoluminescent skin will be indeed tailored and optimized for each dynamic boundary, as demonstrated through a disruptive building physics experimentally-validated balance and urban canopy model worldwide.

Istituzione ospitante

UNIVERSITA DEGLI STUDI DI PERUGIA
Contribution nette de l'UE
€ 1 498 125,00
Indirizzo
PIAZZA DELL UNIVERSITA 1
06123 Perugia
Italia

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Regione
Centro (IT) Umbria Perugia
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
€ 1 498 125,00

Beneficiari (1)