Discomfort glare in open plan green buildings

Hirning, Michael, Isoardi, Gillian, & Cowling, Ian (2014) Discomfort glare in open plan green buildings. Energy and Buildings, 70, 427 - 440.

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Abstract

This study presents the largest-known, investigation on discomfort glare with 493 surveys collected from five green buildings in Brisbane, Australia. The study was conducted on full-time employees, working under their everyday lighting conditions, all of whom had no affiliation with the research institution.

The survey consisted of a specially tailored questionnaire to assess potential factors relating to discomfort glare. Luminance maps extracted from high dynamic range (HDR) images were used to capture the luminous environment of the occupants. Occupants who experienced glare on their monitor and/or electric glare were excluded from analysis leaving 419 available surveys. Occupants were more sensitive to glare than any of the tested indices accounted for.

A new index, the UGP was developed to take into account the scope of results in the investigation. The index is based on a linear transformation of the UGR to calculate a probability of disturbed persons. However all glare indices had some correlation to discomfort, and statistically there was no difference between the DGI, UGR and CGI. The UGP broadly reflects the demographics of the working population in Australia and the new index is applicable to open plan green buildings.

Impact and interest:

10 citations in Scopus
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12 citations in Web of Science®

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38 since deposited on 05 Feb 2014
27 in the past twelve months

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ID Code: 66942
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: open plan office, glare, HDR imaging, POE, green building
DOI: 10.1016/j.enbuild.2013.11.053
ISSN: 0378-7788
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > ARCHITECTURE (120100) > Architectural Science and Technology (incl. Acoustics Lighting Structure and Ecologically Sustainable Design) (120104)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier
Copyright Statement: This is the author’s version of a work that was accepted for publication in Energy and Buildings. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Energy and Buildings, [VOL 70, (2014)] DOI: 10.1016/j.enbuild.2013.11.053
Deposited On: 05 Feb 2014 22:45
Last Modified: 05 Feb 2016 06:04

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