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

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 on...

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Autores principales:	Florian Greffier, Valérie Muzet, Vincent Boucher, Fabrice Fournela, Laure Lebouc, Sébastien Liandrat
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	road lighting calculations pavement reflection properties gonioreflectometer devices luminance measurements root mean squared deviation normalized root mean squared deviation Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/d94673e1763e4799a0f9df8befb27b29
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spelling	oai:doaj.org-article:d94673e1763e4799a0f9df8befb27b292021-11-11T19:29:56ZInfluence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics10.3390/su1321117892071-1050https://doaj.org/article/d94673e1763e4799a0f9df8befb27b292021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/11789https://doaj.org/toc/2071-1050Optimization 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.Florian GreffierValérie MuzetVincent BoucherFabrice FournelaLaure LeboucSébastien LiandratMDPI AGarticleroad lighting calculationspavement reflection propertiesgonioreflectometer devicesluminance measurementsroot mean squared deviationnormalized root mean squared deviationEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 11789, p 11789 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	road lighting calculations pavement reflection properties gonioreflectometer devices luminance measurements root mean squared deviation normalized root mean squared deviation Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	road lighting calculations pavement reflection properties gonioreflectometer devices luminance measurements root mean squared deviation normalized root mean squared deviation Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Florian Greffier Valérie Muzet Vincent Boucher Fabrice Fournela Laure Lebouc Sébastien Liandrat Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
description	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.
format	article
author	Florian Greffier Valérie Muzet Vincent Boucher Fabrice Fournela Laure Lebouc Sébastien Liandrat
author_facet	Florian Greffier Valérie Muzet Vincent Boucher Fabrice Fournela Laure Lebouc Sébastien Liandrat
author_sort	Florian Greffier
title	Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
title_short	Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
title_full	Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
title_fullStr	Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
title_full_unstemmed	Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics
title_sort	influence of pavement heterogeneity and observation angle on lighting design: study with new metrics
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d94673e1763e4799a0f9df8befb27b29
work_keys_str_mv	AT floriangreffier influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics AT valeriemuzet influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics AT vincentboucher influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics AT fabricefournela influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics AT laurelebouc influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics AT sebastienliandrat influenceofpavementheterogeneityandobservationangleonlightingdesignstudywithnewmetrics
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Influence of Pavement Heterogeneity and Observation Angle on Lighting Design: Study with New Metrics

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