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An evaluation of the lighting environment in the public space of shopping centres

Jin, H; Li, X; Kang, J; Kong, Z; (2017) An evaluation of the lighting environment in the public space of shopping centres. Building and Environment , 115 pp. 228-235. 10.1016/j.buildenv.2017.01.008. Green open access

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Abstract

Interior lighting quality influences people's visual comfort and satisfaction with a space. Based on a field study about the effects of lighting environments on occupancies in eight shopping malls with three different latitudes and a wide range of size from 30,000 to 210,000 m2 all over China, this study investigates the differences in subjective evaluations, the correlations between the lighting environments of public spaces and people's evaluations, and the regressions of scene mean luminance. A questionnaire survey and HDR-image techniques have been used to gather subjective feedback and collect physical lighting data. The results show that the subjective evaluations among different groups (gender, age, education background, and duration of stay in the shopping malls) are similar. The existence of daylighting plays an important role in subjective satisfaction, but not crucial enough to their brightness perception. The mean luminance values of these scenes are closely correlated to the diversity of the subjective evaluations. For shopping centres, the optimal Lmean value is 1000 cd/m2 for a mixed daylighting and artificial lighting environment, and 75 cd/m2 as the recommended Lmean value for an artificial lighting environment.

Type: Article
Title: An evaluation of the lighting environment in the public space of shopping centres
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.buildenv.2017.01.008
Publisher version: http://doi.org/10.1016/j.buildenv.2017.01.008
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Shopping centre; Public space; Light environment; Luminance metric; Subjective evaluation
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10052479
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