Efficient calculation of daylight coefficients for rooms with dissimilar complex fenestration systems

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TypeArticle
Journal titleJournal of Building Performance Simulation
Volume1
Issue1
Pages315; # of pages: 13
Subjectdaylighting; daylight coefficient; complex fenestration; blinds; Daylighting
AbstractThe daylight coefficient method is a powerful and efficient method to perform annual daylight illuminance simulation. A set of coefficients are calculated for a given room space and static fenestration systems prior to simulation start. Time series of indoor daylight illuminances are obtained by only knowing the sky luminance. However, for rooms with dissimilar dynamic complex fenestration systems (such as windows with movable shadings) whose optical behaviour (transmission, reflection and scattering) may change during simulation, the efficiency of the daylight coefficient method may be compromised as another whole set of coefficients must be re-calculated. This paper presents the development of a new methodology to compute the daylight coefficient set for rooms with dissimilar complex fenestration components only once prior to simulation start.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number50052
18824
NPARC number20377358
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Record identifier2a2a2aec-97c1-4abe-ba40-a8b7358ec081
Record created2012-07-24
Record modified2016-05-09
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