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Full-Text Articles in Mechanical Engineering
Laboratory Testing Of The Reflectance Properties Of Roofing Materials, Florida Solar Energy Center, Danny Parker
Laboratory Testing Of The Reflectance Properties Of Roofing Materials, Florida Solar Energy Center, Danny Parker
FSEC Energy Research Center®
Past simulation and test cell studies have shown potential reduction to building cooling loads from higher exterior surface solar reflectances (Givoni and Hoffman, 1968; Givoni, 1976; Chuan and Busching, 1983; Griggs and Shipp, 1988; Anderson, 1989; Akbari et al., 1990; Chandra and Moalla, 1991; Bansal et al., 1992). Furthermore, simulation analysis of macro-climatic effects have shown that light colored surfaces may reduce the magnitude of the urban heat island (Taha et al., 1988; Akbari et al, 1989; Akbari et al., 1992).
Figure 1 shows a graphic illustration of the potential influence of surface reflectance on roof solar heat gain. The …
Selecting Windows For South Florida Residences, Florida Solar Energy Center, Ross Mccluney
Selecting Windows For South Florida Residences, Florida Solar Energy Center, Ross Mccluney
FSEC Energy Research Center®
To provide some guidance to the victims of hurricane Andrew in Dade County, we performed a study of various types of modern glazing systems that might be incorporated in windows for south Florida residences.
The dominant energy impact of residential windows in south Florida comes from the solar radiant heat gain entering these windows and the corresponding heat loads on cooling systems. Thus any extra dollars spent by homeowners to purchase improved replacement windows should be spent in lowering the solar gains of the windows purchased (by reducing glazing shading coefficients or by adding exterior shading devices or vegetation) rather …