Innovative window design strategy to reduce negative lighting interventions in office buildings

Novel lighting strategies have the potential to create luminous environments that are more satisfactory to building occupants and reduce occupants’ interventions in lighting conditions. Testing innovative design systems in the immersive virtual reality (IVR) environment could be a useful approach to...

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Veröffentlicht in:Energy and buildings 2018-11, Vol.179, p.253-263
Hauptverfasser: Amirkhani, Mehdi, Garcia-Hansen, Veronica, Isoardi, Gillian, Allan, Alicia
Format: Artikel
Sprache:eng
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Zusammenfassung:Novel lighting strategies have the potential to create luminous environments that are more satisfactory to building occupants and reduce occupants’ interventions in lighting conditions. Testing innovative design systems in the immersive virtual reality (IVR) environment could be a useful approach to investigate these systems quickly and easily. This paper explores how increasing the luminance of areas surrounding the window using an electric wall-washing system could improve subjective rated contrast (RC) scores on the windowed wall, as well as reducing negative lighting interventions in an IVR office room with different window-to-exterior-wall ratios. The results indicate that participants report greater lighting contrast between the window and its surroundings in the room with a 15% window-to-exterior-wall ratio (WWR) compared with other lighting conditions. The findings of this research also show that the proposed electric wall-washing system with a low power level could significantly reduce the likelihood of users’ propensity to intervene in lighting conditions in rooms with different window sizes.
ISSN:0378-7788
1872-6178
DOI:10.1016/j.enbuild.2018.09.006