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Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics

Author

Listed:
  • Florian Greffier

    (Cerema, Light and Lighting Team, 49130 Les Ponts-de-Cé, France)

  • Valérie Muzet

    (Cerema, ENDSUM Research Team, 67200 Strasbourg, France)

  • Vincent Boucher

    (Cerema, Light and Lighting Team, 49130 Les Ponts-de-Cé, France)

  • Fabrice Fournela

    (Cerema, Light and Lighting Team, 49130 Les Ponts-de-Cé, France)

  • Laure Lebouc

    (Cerema, Light and Lighting Team, 49130 Les Ponts-de-Cé, France
    Spie Batignolles Malet, 31120 Portet-sur-Garonne, France
    LARIS—SFR MathSTIC, UPRES EA 7315, University of Angers, 49000 Angers, France)

  • Sébastien Liandrat

    (Cerema, STI Research Team, 63000 Clermont-Ferrand, France)

Abstract

Optimization of lighting installations should be a priority in order to reduce energy consumption and obtrusive light while providing optimal visibility conditions for road users. For the design of lighting installations, it is assumed that the road has homogeneous photometric characteristics and only one viewing angle is used. There are often significant differences between the design of lighting installations and their actual performance. In order to examine whether these differences are due to the photometry of the road, this study proposes metrics to assess the influence of road heterogeneity and observation angle. These metrics have been used on many measurements conducted on site and in the laboratory for different pavements. A calculation engine has been developed to realize road lighting design with several r-tables in the same calculation or for different observation angles. Thus, this study shows that a root mean squared deviation (RMSD) calculation, including average luminance and uniformities associated with different r-tables, is directly correlated to a normalized root mean squared deviation (NRMSD) calculation between these r-tables. With these proposed metrics it is possible to optimize lighting installation while taking into account different types of urban surfaces and the diversity of users.

Suggested Citation

  • Florian Greffier & Valérie Muzet & Vincent Boucher & Fabrice Fournela & Laure Lebouc & Sébastien Liandrat, 2021. "Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics," Sustainability, MDPI, vol. 13(21), pages 1-31, October.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:21:p:11789-:d:664401
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    References listed on IDEAS

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    1. Alexandru Viorel Rusu & Catalin Daniel Galatanu & Gheorghe Livint & Dorin Dumitru Lucache, 2021. "Average Luminance Calculation in Street Lighting Design, Comparison between BS-EN 13201 and RP-08 Standards," Sustainability, MDPI, vol. 13(18), pages 1-15, September.
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    Cited by:

    1. Deimantė Lunkevičiūtė & Viktoras Vorobjovas & Pranciškus Vitta & Donatas Čygas, 2023. "Research of the Luminance of Asphalt Pavements in Trafficked Areas," Sustainability, MDPI, vol. 15(3), pages 1-19, February.

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