Influence of the calculation grid density to the selected photometric parameters for road lighting

Lipnicky, Lukas; Gasparovsky, Dionyz; Dubnicka, Roman

doi:10.1109/lumenv.2016.7745555

Cited by 11 publications

(4 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Considering the recommendation from [21] to have a calculation grid as large as possible, we have considered a gradual increase in the number of calculation points until they no longer have an effect on the average luminance value.…”

Section: Observer Positioning In Road Lighting Calculationmentioning

confidence: 99%

Average Luminance Calculation in Street Lighting Design, Comparison between BS-EN 13201 and RP-08 Standards

et al. 2021

View full text Add to dashboard Cite

This paper presents a study on the influence of the observer’s position in relation to the calculation surface. This is the initial observation of the research, respectively that the two standards consider the position of the observer differently. For these situations, two types of calculations were performed. For the first set of calculations, the software used was DIALux 4.13 as this software can perform calculations in line with the RP-08 standard. The second set of calculations was performed with a script that offers the possibility to change the observer’s position. The conclusion was that EN-13201 has a better approach, but both standards could be improved. The second case study refers to the influence of the longitudinal observer position in an average luminance calculation. If one considers RP-08 as a guideline for performing the calculations, the conclusions are that changing the distance from the observer to the calculation surface has absolutely no effect on the average luminance value. On the other hand, if European standards are used as a guideline, changing the distance (from the standardized 60 m, either closer to the calculation surface or further away) can influence the overall results in average luminance and uniformity. Taking into account the results of these two case studies, the conclusion is that both RP-08 and BS-EN 13201 should be updated so that the observer’s distance in relation to the calculation surface would be a variable dependent on the stopping distance calculated based on the speed limit of the road.

show abstract

Section: Observer Positioning In Road Lighting Calculationmentioning

confidence: 99%

Average Luminance Calculation in Street Lighting Design, Comparison between BS-EN 13201 and RP-08 Standards

et al. 2021

View full text Add to dashboard Cite

show abstract

“…There is a negligible number of scientific research papers in the literature on energy efficiency determination based on street lighting measurements [27,28]. The studies mentioned in the introduction are based on theoretical calculations on the basis of luminaire parameters.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Street Lighting Efficiency Using a Mobile Measurement System

et al. 2021

View full text Add to dashboard Cite

The issue concerns the initial stage of work on a method for performing a rapid assessment of the energy efficiency and illuminance of a street lighting installation. The proposed method is based on simultaneous measurement of illuminance from three lux meters placed on the roof of the vehicle. The data are acquired in road traffic, while the vehicle is driving. The proposed solution will allow in the future to quickly and reproducibly obtain data about the lighting parameters of the studied road section. The illumination values are localised using Global Navigation Satellite System (GNSS). Based on the collected measurement data, with the use of terrain maps, geographic information system (GIS) data and installation design documentation, it will be possible to determine in detail the parameters of energy efficiency indicators for a selected section of the street for the entire street according to the EN13201-5 standard. Preliminary tests were conducted on a section of about one kilometer of street illuminated in class C3. Detailed measurements reveal high variation of obtained energy indicators DP and DE for each road section. The reason for this condition is the variation of power, installation geometry and the presence of obstacles to light.

show abstract

“…Energy efficiency can also be achieved by precise calculations, as in [8], which is a classic and traditional approach. But if there is a purpose of reducing the approximations from 20% to 10% and then even to 5% and finally to 1% it is not allowed to avoid the parameter on which the luminance directly depends, i.e.…”

Section: B Promoting Energy Efficiency and Reflectance Factormentioning

confidence: 99%

“…But if there is a purpose of reducing the approximations from 20% to 10% and then even to 5% and finally to 1% it is not allowed to avoid the parameter on which the luminance directly depends, i.e. reflectance factor of asphalt, as seen in [8].…”

Section: B Promoting Energy Efficiency and Reflectance Factormentioning

confidence: 99%

Measurement of Reflectance Properties of Asphalt using Photographical Methods

Gălățanu

Canale

2020

2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Syst

View full text Add to dashboard Cite

Measurement of reflectance properties of asphalt is an insufficiently addressed problem, although this parameter is involved in three major directions in which the development of roads and lighting takes place: new technologies for materials, including solar energy harvesting, energy efficiency of road lighting and light pollution reduction. For each of these directions, concerns for improving performance have been identified, in which for each percentage gained, significant efforts and costs are registered. It is thus shown that although the reflectance properties of asphalt can change the results to a large extent (even 47%), this parameter is considered as a material constant and is not measured, although it is variable over time. After evaluating some landmarks regarding the geometric domain for which this parameter must be measured, a photographic method is presented and exemplified by which the desired values can be obtained insitu conditions.

show abstract

Influence of the calculation grid density to the selected photometric parameters for road lighting

Cited by 11 publications

References 0 publications

Average Luminance Calculation in Street Lighting Design, Comparison between BS-EN 13201 and RP-08 Standards

Average Luminance Calculation in Street Lighting Design, Comparison between BS-EN 13201 and RP-08 Standards

Evaluation of Street Lighting Efficiency Using a Mobile Measurement System

Measurement of Reflectance Properties of Asphalt using Photographical Methods

Contact Info

Product

Resources

About