Evaluation of the luminous environment in open-plan offices with skylights
Isoardi, Gillian, Garcia-Hansen, Veronica Ruth, & Hirning, Michael (2012) Evaluation of the luminous environment in open-plan offices with skylights. In Greene, Susan, Sayigh, Ali, & Kutscher, Chuck (Eds.) Proceedings of WREF 2012, Curran Associates, Inc., Denver, Colorado, pp. 1-8.
High Dynamic Range (HDR) imaging was used to collect luminance information at workstations in 2 open-plan office buildings in Queensland, Australia: one lit by skylights, vertical windows and electric light, and another by skylights and electric light. This paper compares illuminance and luminance data collected in these offices with occupant feedback to evaluate these open-plan environments based on available and emerging metrics for visual comfort and glare. This study highlights issues of daylighting quality and measurement specific to open plan spaces. The results demonstrate that overhead glare is a serious threat to user acceptance of skylights, and that electric and daylight integration and controls have a major impact on the perception of daylighting quality. With regards to measurement of visual comfort it was found that the Daylight Glare Probability (DGP) gave poor agreement with occupant reports of discomfort glare in open-plan spaces with skylights, and the CIE Glare Index (CGI) gave the best agreement. Horizontal and vertical illuminances gave no indication of visual comfort in these spaces.
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|Item Type:||Conference Paper|
|Keywords:||daylighting, skylights, HDR images, Glare analysis|
|Subjects:||Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Schools > School of Design
Current > QUT Faculties and Divisions > Creative Industries Faculty
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 American Solar Energy Society|
|Deposited On:||28 Oct 2012 22:49|
|Last Modified:||14 Jan 2013 06:52|
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