Title: | Energy efficiency and colour quality improvement and subjective preference of LED office lighting |
Author(s): | Baniya, Rupak Raj |
Date: | 2016 |
Language: | en |
Pages: | 60 + app. 68 |
Department: | Sähkötekniikan ja automaation laitos Department of Electrical Engineering and Automation |
ISBN: | 978-952-60-7061-2 (electronic) 978-952-60-7062-9 (printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 206/2016 |
ISSN: | 1799-4942 (electronic) 1799-4934 (printed) 1799-4934 (ISSN-L) |
Supervising professor(s): | Halonen, Liisa, Prof., Aalto University, Department of Electrical Engineering and Automation, Finland |
Thesis advisor(s): | Tetri, Eino, Dr., Aalto University, Department of Electrical Engineering and Automation, Finland; Bhusal, Pramod, Dr., Aalto University, Department of Electrical Engineering and Automation, Finland |
Subject: | Electrical engineering, Energy |
Keywords: | light emitting diode, energy efficiency, colour quality, lighting preference, correlated colour temperature, office lighting |
Archive | yes |
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Abstract:The objectives of this thesis were to explore different approaches to improve energy efficiency and colour quality, and to find out the subjective preference of LED office lighting. Four approaches (optimization of LED spectra, lighting retrofitting, hue-heat hypothesis, and smart indoor lighting control) were studied for energy efficiency and colour quality improvement. Two experiments, one in lighting booths and the other in an office room, were conducted to examine subjective preferences.
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Parts:[Publication 1]: Baniya, R.R; Dangol, R; Bhusal, P; Wilm, A; Baur, E; Puolakka, M; Halonen, L. 2015. User-acceptance studies for simplified light-emitting diode spectra. Lighting Research and Technology, volume 47, number 2, pages 177-191. DOI: 10.1177/1477153513515264 View at Publisher [Publication 2]: Gavioli, M; Tetri, E; Baniya, R.R; Halonen, L. 2015. Lighting Retrofitting: Improving Energy Efficiency and Lighting Quality. In: Proceedings of the 28th Session of the CIE, Manchester, United Kingdom, June 28 – July 4. International Commission on Illumination (CIE). Volume 1, part 2, pages 1903-1910.[Publication 3]: Baniya, R.R; Tetri, E; Virtanen, J; Halonen, L. 2016. The effect of correlated colour temperature of lighting on thermal sensation and thermal comfort in a simulated indoor workplace. Indoor and Built Environment (Accepted for publication on 19/09/2016). DOI: 10.1177/1420326X16673214 View at Publisher [Publication 4]: Baniya, R.R; Maksimainen, M; Sierla, S; Pang, C; Yang, C. W; Vyatkin, V. 2014. Smart indoor lighting control: Power, illuminance, and colour quality. In: IEEE 23rd International Symposium on Industrial Electronics (ISIE), Istanbul, Turkey, 1-4 June 2014. IEEE. Pages 1745-1750. DOI: 10.1109/ISIE.2014.6864878 View at Publisher [Publication 5]: Baniya, R.R; Tetri, E; Halonen, L. 2015. A study of preferred illuminance and correlated colour temperature for LED office lighting. Light and Engineering, volume 23, number 3, pages 39-47. |
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