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Shading devices and daylight quality : An evaluation based on simple performance indicators

Dubois, Marie-Claude LU (2003) In Lighting Research and Technology 35(1). p.61-76
Abstract
The impact of seven shading devices on daylight quality in a south-oriented office was investigated by simulations with Radiance at three specific times on three sunny days. Daylight quality was assessed for a large number of desk positions by considering simple performance indicators: the absolute and relative work plane illuminance and the absolute and relative luminance of surfaces. The results indicated that the white awning, overhang and horizontal venetian blind provided adequate work plane illuminances for traditional office tasks but yielded high window luminances. The 45° venetian blind, white screen and blue awning provided suitable work plane illuminance for computer work and acceptable luminance ratios between the VDT, work... (More)
The impact of seven shading devices on daylight quality in a south-oriented office was investigated by simulations with Radiance at three specific times on three sunny days. Daylight quality was assessed for a large number of desk positions by considering simple performance indicators: the absolute and relative work plane illuminance and the absolute and relative luminance of surfaces. The results indicated that the white awning, overhang and horizontal venetian blind provided adequate work plane illuminances for traditional office tasks but yielded high window luminances. The 45° venetian blind, white screen and blue awning provided suitable work plane illuminance for computer work and acceptable luminance ratios between the VDT, work plane and surroundings. The grey screen yielded unacceptably low illuminances and luminances, poor uniformity and unacceptable luminance ratios.

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Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Lighting Research and Technology
volume
35
issue
1
pages
61 - 76
publisher
SAGE Publications
external identifiers
  • scopus:0037262980
ISSN
1477-1535
DOI
10.1191/1477153503li062oa
language
English
LU publication?
yes
id
f088df45-fdd4-4526-afd6-6f1f3d503d05
date added to LUP
2019-06-03 16:02:35
date last changed
2021-09-08 04:51:51
@article{f088df45-fdd4-4526-afd6-6f1f3d503d05,
  abstract     = {The impact of seven shading devices on daylight quality in a south-oriented office was investigated by simulations with Radiance at three specific times on three sunny days. Daylight quality was assessed for a large number of desk positions by considering simple performance indicators: the absolute and relative work plane illuminance and the absolute and relative luminance of surfaces. The results indicated that the white awning, overhang and horizontal venetian blind provided adequate work plane illuminances for traditional office tasks but yielded high window luminances. The 45° venetian blind, white screen and blue awning provided suitable work plane illuminance for computer work and acceptable luminance ratios between the VDT, work plane and surroundings. The grey screen yielded unacceptably low illuminances and luminances, poor uniformity and unacceptable luminance ratios.<br/><br/>},
  author       = {Dubois, Marie-Claude},
  issn         = {1477-1535},
  language     = {eng},
  number       = {1},
  pages        = {61--76},
  publisher    = {SAGE Publications},
  series       = {Lighting Research and Technology},
  title        = {Shading devices and daylight quality : An evaluation based on simple performance indicators},
  url          = {http://dx.doi.org/10.1191/1477153503li062oa},
  doi          = {10.1191/1477153503li062oa},
  volume       = {35},
  year         = {2003},
}