Marble envelopes represent a relatively common architectural solution used in variety of historic, modern and contemporary building facades. White marble envelopes have been shown to reduce solar heat gains, while improving indoor thermal comfort and energy efficiency in summer time. While marble is useful in this context, the urban atmosphere accelerates the degradation of marble elements. This leads to changes in optical characteristics, hence the aesthetics, and affects the energy efficiency benefits offered by white marble facades. These issues are investigated in order to predict the impact of degradation on energy performance and to the aesthetic value, such as change of color and luminosity. In this study, surface degradation of white marble is analyzed by means of accelerated weathering in the laboratory while examining changes to the optical characteristics of the materials. A dynamic simulation is carried out to assess the energy performance of a building as a case study.

Cool marble building envelopes. The effect of aging on energy performance and aesthetics / Rosso, Federica; Pisello, Anna Laura; Jin, Weihua; Ghandehari, Masoud; Cotana, Franco; Ferrero, Marco. - In: SUSTAINABILITY. - ISSN 2071-1050. - ELETTRONICO. - 8:8(2016). [10.3390/su8080753]

Cool marble building envelopes. The effect of aging on energy performance and aesthetics

ROSSO, FEDERICA
;
FERRERO, Marco
2016

Abstract

Marble envelopes represent a relatively common architectural solution used in variety of historic, modern and contemporary building facades. White marble envelopes have been shown to reduce solar heat gains, while improving indoor thermal comfort and energy efficiency in summer time. While marble is useful in this context, the urban atmosphere accelerates the degradation of marble elements. This leads to changes in optical characteristics, hence the aesthetics, and affects the energy efficiency benefits offered by white marble facades. These issues are investigated in order to predict the impact of degradation on energy performance and to the aesthetic value, such as change of color and luminosity. In this study, surface degradation of white marble is analyzed by means of accelerated weathering in the laboratory while examining changes to the optical characteristics of the materials. A dynamic simulation is carried out to assess the energy performance of a building as a case study.
acid rain degradation; building envelope; color change; cool material; energy efficiency in buildings; optical characterization; pollution; solar reflectance; urban heat island; geography, planning and development; renewable energy, sustainability and the environment; management, monitoring, policy and law
01 Pubblicazione su rivista::01a Articolo in rivista
Cool marble building envelopes. The effect of aging on energy performance and aesthetics / Rosso, Federica; Pisello, Anna Laura; Jin, Weihua; Ghandehari, Masoud; Cotana, Franco; Ferrero, Marco. - In: SUSTAINABILITY. - ISSN 2071-1050. - ELETTRONICO. - 8:8(2016). [10.3390/su8080753]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/908745
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