Energy performance of the Central Sunlighting System

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DOIResolve DOI: http://doi.org/10.1080/19401493.2011.558632
AuthorSearch for: ; Search for:
TypeArticle
Journal titleJournal of Building Performance Simulation
Pages114; # of pages: 14
SubjectCentral Sunlighting System, solar canopy, façade, energy performance; Windows
AbstractThis article presents a simulation study to predict the energy performance of the Central Sunlighting System (CSS) installed in open-plan offices. Several simulation tools are combined to conduct the simulations. SkyVision calculates the daylight luminous flux and the lighting and solar heat gains of the CSS. A set of coefficients pre-calculated using Radiance relates the desktop illuminances to the CSS luminous fluxes. DaySim is used to compute the daylight illuminance from the perimeter windows. ESP-r is used to compute the heating and cooling energy use of the office spaces. The results show that the CSS may save a significant amount of energy in North American climates. Energy savings from the combination of daylighting from windows and the CSS for typical, four-cubicle, open-plan offices range from 44% to 57% for lighting, 8% for cooling and from 14% to 23% for the total (lighting, cooling and heating) energy.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53616
21359
NPARC number20375049
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Record identifier9535ca60-61b8-4b57-a991-17cb416a19a7
Record created2012-07-23
Record modified2016-05-09
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