CIE 031-1976

Current Revision
Glare and uniformity in road lighting installations

Best Price Guarantee Jan 1, 1976 English 28 Pages

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CIE 031-1976
Glare in road lighting is distinguished as discomfort and disability glare. Discomfort glare is quantitatively described by a glare control mark which can be calculated from the photometric and geometric quantities of a lighting installation. The evaluation of disability glare is based upon the Holladay formula and expressed by calculating the increment in the threshold of detection of the luminance difference between a relevant object and the road surface. The uniformity of the road surface luminance is characterized by the overall uniformity and the longitudinal uniformity. Keywords: disability glare, equivalent veiling luminance, road lighting, uniformity
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