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Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel

Received: 21 July 2020     Published: 25 August 2020
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Abstract

With the continuous expansion of the scale and number of highway tunnels in China, the power consumption of highway tunnel lighting has gradually become a huge amount for operating units. How to reduce the power consumption of lighting for highway tunnels has become an important issue for operating units. However, energy saving does not mean less or no lights, the premise must be to ensure the safety and comfort of driving in the tunnel. In this study, based on the light environment characteristics of the tunnel at night, the visual resolution level of the target obstacle in front of the road is judged by the human eye ’s saccade time, and whether the reduction of road lighting brightness under the effect of the headlights will affect the driver ’s visual resolution level. The results show that the turning on of the car's high beam lights has a certain effect on the driver's visual perception ability; when the average brightness of the road surface is 1.0cd/m2, the tester's saccade and fixation time on the target obstacle are less than 0.5cd/m2, But the driver has no significant difference in the resolution of the target obstacles under these two brightness levels; when the brightness of the road surface is 0.5 cd/m2, the driver still has confidence in the situation ahead; it is recommended that the entrance and exit have a certain distance The tunnel brightness can be adjusted to 0.5cd/m2.

Published in Science Discovery (Volume 8, Issue 4)
DOI 10.11648/j.sd.20200804.11
Page(s) 64-68
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Highway Tunnel, Night Lighting, Energy Saving, Road Brightness, Visual Resolution

References
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[14] 杜志刚,黄发明,严新平,潘晓东.基于瞳孔面积变动的公路隧道明暗适应时间[J].公路交通科技,2013,30(05):98-102.
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  • APA Style

    Hua Kaicheng, Zhao Chao, Liao Haomiao, Xia Yangyuyu, Wang Zihao. (2020). Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel. Science Discovery, 8(4), 64-68. https://doi.org/10.11648/j.sd.20200804.11

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    ACS Style

    Hua Kaicheng; Zhao Chao; Liao Haomiao; Xia Yangyuyu; Wang Zihao. Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel. Sci. Discov. 2020, 8(4), 64-68. doi: 10.11648/j.sd.20200804.11

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    AMA Style

    Hua Kaicheng, Zhao Chao, Liao Haomiao, Xia Yangyuyu, Wang Zihao. Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel. Sci Discov. 2020;8(4):64-68. doi: 10.11648/j.sd.20200804.11

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  • @article{10.11648/j.sd.20200804.11,
      author = {Hua Kaicheng and Zhao Chao and Liao Haomiao and Xia Yangyuyu and Wang Zihao},
      title = {Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel},
      journal = {Science Discovery},
      volume = {8},
      number = {4},
      pages = {64-68},
      doi = {10.11648/j.sd.20200804.11},
      url = {https://doi.org/10.11648/j.sd.20200804.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20200804.11},
      abstract = {With the continuous expansion of the scale and number of highway tunnels in China, the power consumption of highway tunnel lighting has gradually become a huge amount for operating units. How to reduce the power consumption of lighting for highway tunnels has become an important issue for operating units. However, energy saving does not mean less or no lights, the premise must be to ensure the safety and comfort of driving in the tunnel. In this study, based on the light environment characteristics of the tunnel at night, the visual resolution level of the target obstacle in front of the road is judged by the human eye ’s saccade time, and whether the reduction of road lighting brightness under the effect of the headlights will affect the driver ’s visual resolution level. The results show that the turning on of the car's high beam lights has a certain effect on the driver's visual perception ability; when the average brightness of the road surface is 1.0cd/m2, the tester's saccade and fixation time on the target obstacle are less than 0.5cd/m2, But the driver has no significant difference in the resolution of the target obstacles under these two brightness levels; when the brightness of the road surface is 0.5 cd/m2, the driver still has confidence in the situation ahead; it is recommended that the entrance and exit have a certain distance The tunnel brightness can be adjusted to 0.5cd/m2.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel
    AU  - Hua Kaicheng
    AU  - Zhao Chao
    AU  - Liao Haomiao
    AU  - Xia Yangyuyu
    AU  - Wang Zihao
    Y1  - 2020/08/25
    PY  - 2020
    N1  - https://doi.org/10.11648/j.sd.20200804.11
    DO  - 10.11648/j.sd.20200804.11
    T2  - Science Discovery
    JF  - Science Discovery
    JO  - Science Discovery
    SP  - 64
    EP  - 68
    PB  - Science Publishing Group
    SN  - 2331-0650
    UR  - https://doi.org/10.11648/j.sd.20200804.11
    AB  - With the continuous expansion of the scale and number of highway tunnels in China, the power consumption of highway tunnel lighting has gradually become a huge amount for operating units. How to reduce the power consumption of lighting for highway tunnels has become an important issue for operating units. However, energy saving does not mean less or no lights, the premise must be to ensure the safety and comfort of driving in the tunnel. In this study, based on the light environment characteristics of the tunnel at night, the visual resolution level of the target obstacle in front of the road is judged by the human eye ’s saccade time, and whether the reduction of road lighting brightness under the effect of the headlights will affect the driver ’s visual resolution level. The results show that the turning on of the car's high beam lights has a certain effect on the driver's visual perception ability; when the average brightness of the road surface is 1.0cd/m2, the tester's saccade and fixation time on the target obstacle are less than 0.5cd/m2, But the driver has no significant difference in the resolution of the target obstacles under these two brightness levels; when the brightness of the road surface is 0.5 cd/m2, the driver still has confidence in the situation ahead; it is recommended that the entrance and exit have a certain distance The tunnel brightness can be adjusted to 0.5cd/m2.
    VL  - 8
    IS  - 4
    ER  - 

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Author Information
  • Guangdong Province Road and Bridge Construction Development Co., Ltd, Qingyuan, China

  • Guangdong Province Road and Bridge Construction Development Co., Ltd, Qingyuan, China

  • College of Civil Engineering, Chongqing Jiaotong University, Chongqing, China

  • China Merchants Chongqing Communications Technology Research & Design Institute Co., Ltd., Chongqing, China

  • College of Civil Engineering, Chongqing Jiaotong University, Chongqing, China

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