2016
DOI: 10.1016/j.enbuild.2015.06.019
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Experimental examination of solar reflectance of high-reflectance paint in Japan with natural and accelerated aging

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Cited by 23 publications
(14 citation statements)
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“…Less attention is given on building envelopes (Alchapar, Correa, & Cantón, 2014) which are more investigated with relation to construction systems and material features for cladding purposes (Mauri et al, 2018) (Azarnejad & Mahdavi, 2015), (Alonso et al, 2017). This topic is investigated by several authors (Coakley, 2002) (Du & Sharples, 2010) (Takebayashi et al, 2016) (Azarnejad & Mahdavi, 2015), providing direct references about the relationships between colour, reflectance and outdoor microclimate, on which this paper focuses. The definition of reflectance is provided by some studies on the outdoor thermal comfort as "The ratio of the radiant flux reflected by a surface or a medium to the incident flux.…”
Section: Introduction and Literaturementioning
confidence: 99%
“…Less attention is given on building envelopes (Alchapar, Correa, & Cantón, 2014) which are more investigated with relation to construction systems and material features for cladding purposes (Mauri et al, 2018) (Azarnejad & Mahdavi, 2015), (Alonso et al, 2017). This topic is investigated by several authors (Coakley, 2002) (Du & Sharples, 2010) (Takebayashi et al, 2016) (Azarnejad & Mahdavi, 2015), providing direct references about the relationships between colour, reflectance and outdoor microclimate, on which this paper focuses. The definition of reflectance is provided by some studies on the outdoor thermal comfort as "The ratio of the radiant flux reflected by a surface or a medium to the incident flux.…”
Section: Introduction and Literaturementioning
confidence: 99%
“…In fact, weathering, chemical and physical stress, organic and inorganic matter deposition, and microbial growth over time, or "aging", affect the optical and radiative response of building envelope materials [10,11], reducing the cooling savings offered by cool materials [7,12]. The effects of aging on the albedo of building materials are consistently documented by outdoor exposure campaigns performed in the US [13,14], Europe [7,12,15], South America [16,17], Japan [18,19], and China [20,21]. The main ingredients of soiling are approximately the same in all urban contexts [15], with a dominant role of black carbon [14].…”
Section: Introductionmentioning
confidence: 99%
“…While in the United States aged values for albedo and thermal emittance are provided by the Cool Roofing Rating Council (CRRC) and the US EPA [13,34], only small datasets from experimental programs are available elsewhere [7,12,[16][17][18][19][20][21]. Natural exposure is timeconsuming as obtaining reliable results at times may require several years [10], and short-term results can be affected by the year and season of exposure [12].…”
Section: Introductionmentioning
confidence: 99%
“…However, because the reflective performance loss observed in the laboratory (46%) is more than double with respect to the expected limits [48], in the case of routine maintenance and cleaning, the summer performance of a cool roof compared to a traditionally vented-roof is always to be considered improved. Table 9; (B) configuration (b) of Table 9 (dot line, green color-C1; continuous line, light blue color-C2; dashed line, red color-C3).…”
Section: Summer Energy Consumption For Coolingmentioning
confidence: 99%
“…One of the most sensitive issues concerning the use of a cool roof is related to the performance deterioration [48], generally expected within the first three years from the installation [25], due to the natural fouling process caused by environmental and anthropogenic pollutants which reduce the reflecting properties of the finishing materials.…”
Section: Verification Of Cool Roof Performance Deterioration After Onmentioning
confidence: 99%