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MEASUREMENT SYSTEM AND METHOD FOR REFLECTION PROPERTIES OF WET ROAD SURFACES (OP40, 294-302)
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Conference Proceeding by Commission Internationale de L'Eclairage, 10/23/2017
This paper describes the measurement methodology and system architection of reflection properties of wet road surfaces in the description form of r-table as defined by CIE 66-1984. The aim of the measurement is to improve the accuracy of luminance simulation in the application of outdoor road lighting, specificly for the raining condition. A segmented measurement process was defined and applied in the measurement, which successfully solved the issue of rapid attenuation of ‘wetness’ on the road surface that was measured. A newparameter, namely ‘drying time’ is introduced to better reflect the dynamic change of reflection properties during and after the rain. The series of wet r-table with ‘drying time’ as classified label would be considered as practical design basis for optimizing the lighting solutions for the raining condition.
Product Details
- Published:
- 10/23/2017
- Number of Pages:
- 10
- File Size:
- 1 file , 1.5 MB
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CIE x026:2005
Original price was: $232.00.$139.00Current price is: $139.00.Add to cartProceedings of the CIE Symposium '04 on LED Light Sources: Physical Measurement and Visual and Photobiological Assessment, 2nd ed.
Conference Proceeding by Commission Internationale de L'Eclairage, 01/01/2005