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Cladding
Published in Paul W. McMullin, Jonathan S. Price, Sarah Simchuk, Special Structural Topics, 2018
Justin W. Jacobs, Paul W. McMullin
Glazing makes up a significant portion of the envelope of common buildings and interfaces with all other cladding materials. Commercial buildings today generally utilize dual-pane insulated glazing systems for energy efficiency. However, triple-pane systems are becoming more common in highly efficient buildings.
Sustainability evaluation for early design (SEED) framework for energy use, embodied carbon, cost, and daylighting assessment
Published in Journal of Building Performance Simulation, 2021
Allison Bernett, Katharina Kral, Timur Dogan
The initial list of exterior wall, roof, and structural options were derived from RSMeans’ square foot estimator, which lists typical building assemblies for standard and ‘green’ or sustainable office buildings in North America. Additional data for special constructions, such as mass timber and plywood structurally insulated panels (SIPs), supplemented the list. Insulated glazing unit (IGU) constructions and performance indices originated from WINDOW 7’s list of basic windows. All data derived from RSMeans used 2018 North American averages with open shop pricing. Since RSMeans’ square foot estimator provides complete cost estimates for a given building programme, number of stories, and construction, it conveniently supplied the cost per floor area of building components that are pre-defined in all simulations, such as interiors, equipment, and furnishings.
A comparative thermal properties evaluation for residential window retrofit solutions for U.S. markets
Published in Advances in Building Energy Research, 2021
Tim Ariosto, Ali M. Memari, Ryan L. Solnosky
Brunger, Dubrous, and Harrison (1999) and Naylor et al. (2017) have conducted experimental and simulation studies of the effect of insect screens to characterize the effect of such screens on in window thermal and solar performance for double-glazed windows. Another screen based retrofit option that has been studied is roller blinds. Oleskowicz-Popiel and Sobczak (2014) found that internal roller blinds can save on the order of 33% and external roller blinds save up to 45% of heat losses through a double-glazed window. Smith et al. (2012) studied the internal storm window devices as a functional alternative to retrofitted insulated glazing units (IGUs) for retrofit applications of single-glazed windows. Here Smith et al., 2012 found significant thermal improvements to the single glazed window with R-values from 0.34 to 0.57 m2 K/W. Liang et al. (2018) studied the thermal and optical performance of thermochromic windows in an effort to improve glazing tinting capability to lead to building energy savings (almost 20%). Lv et al. (2018) looked into silica aerogel applied to glazing. Their results showed a positive correlation with the particle size and a negative correlation with the filling thickness. Many studies have been reported on the energy performance of different combinations of single or multi-pane windows (Zhao, Zhu, & Wu, 2009; Wang & Guan, 2005), traditional absorptive glazing (Li et al., 2015) as well as phase-change materials (Castleton, Stovin, Beck, & Davison, 2010).
Heliotropic Shading: Daylighting a Rare Books Reading Room with Electrochromic Glass and Parametric Analysis
Published in LEUKOS, 2023
Electrochromic glass, developed in the 1990s typically consists of at least two glass panes with a thin layer of electrochromic material sandwiched between them, with an additional air gap in insulated glazing units (Lampert 1998). This material can be a variety of substances, including tungsten oxide, nickel oxide, or Prussian blue (Niklasson and Granqvist 2007; Somani and Radhakrishnan 2003). When an electric current is applied to the electrochromic material, its optical properties change, causing the glass to darken or lighten (Ehrlich 1998). As such, the technology has emerged as an alternative to traditional methods of solar control in buildings such as louvers, brise soliels, or motorized shades, offering an integrated adaptive facade technology (Lam 1986).