Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance
Joint Authors
Dong, Lili
Zhao, Enzhong
Chen, Yang
Qin, Ge
Xu, Wenhai
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-04-24
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
LEDs are widely applied in highways and tunnels for their long life, low light attenuation, and being environment friendly in recent years.
The influence of correlated color temperature (CCT) of LED on lighting safety has attracted people’s attention as the demand increased.
In this paper, a calculation model of perception luminance of human eye considering mesopic vision and fog concentration was proposed.
The influence of different CCTs on perception luminance of human eye under different levels of fog concentration and luminance was calculated and analyzed.
The CCT of LED employed in the interior zone of a tunnel was selected based on the highest perception luminance in mesopic vision.
Seven kinds of LEDs with different CCTs (3000–6500K) were applied in the experimental system with adjustable fog concentrations.
The results showed that the main factors affecting visual perception are luminance and fog concentration.
Higher luminance or lower fog concentration provides drivers with higher perception luminance.
In contrast, although CCT has a less effect on perception luminance, LEDs with higher CCT (about 6500K) can provide higher perception luminance considering fog in mesopic vision.
This paper provides technical support for tunnel lighting and guaranteeing traffic safety.
American Psychological Association (APA)
Dong, Lili& Zhao, Enzhong& Chen, Yang& Qin, Ge& Xu, Wenhai. 2020. Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1121473
Modern Language Association (MLA)
Dong, Lili…[et al.]. Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance. Advances in Civil Engineering No. 2020 (2020), pp.1-13.
https://search.emarefa.net/detail/BIM-1121473
American Medical Association (AMA)
Dong, Lili& Zhao, Enzhong& Chen, Yang& Qin, Ge& Xu, Wenhai. Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1121473
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1121473