Road Luminaire’ Mesoptic Luminous Efficiency Analysis

Ke Huang; Ji Weng; Ying Kui Hu

doi:10.4028/www.scientific.net/AMM.71-78.4918

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Road Luminaire’ Mesoptic Luminous Efficiency...

Road Luminaire’ Mesoptic Luminous Efficiency Analysis

Abstract:

Four kinds of traffic lighting sources HPS, MH, LED and EDL are widely used in roads and tunnels, the luminance at this place almost in the range of 1-10 cd/m², which is the mesoptic vision. The mesoptic luminous efficiency can be calculated from photopic vision spectral luminous efficiency function. The results indicate that HPS’s luminous efficiency increased with improve of adaptation brightness, while the rest three kinds of light sources’ luminous efficiency reduced. At the same luminance level, HPS, MH, LED and EDL’s mesoptic luminous efficiency reduced in turn.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

4918-4922

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.4918

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Online since:

July 2011

Authors:

Ke Huang, Ji Weng, Ying Kui Hu

Keywords:

Luminaire, Luminous Efficiency, Mesoptic, Saving Energy

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