Influence of Road Wetness on Tire-Pavement Rolling Resistance
TLDR
In this article, the authors used a specially designed trailer to measure rolling resistance on wet roads and an abandoned airfield equipped with water film sensors mounted in the pavement, which indicated strong influence of test speed and water film depth.Abstract:
Rolling resistance of tires is one of the most important factors influencing energy consumption of road vehicles, especially on rural roads. For practical reasons, most of rolling resistance measurements are usually performed for dry road conditions. Based on the fact that roads are wet during a considerable time over the year and as part of the projects MIRIAM, ROLRES and ROSANNE,
the TUG (Technical University of Gdansk) in Poland and VTI (Swedish National Road and Transport Research Institute) in Sweden carried out trailer rolling resistance measurements on wet road surfaces to investigate water film influence on rolling resistance on different pavements. A specially-designed trailer to measure rolling resistance has been used. The test sections were both rural roads and an abandoned airfield equipped with water film sensors mounted in the pavement. Results indicate strong influence of test speed and water film depth, as well as influence of surface texture. The increase of rolling resistance on wet surfaces is caused by both hydrodynamic phenomena and cooling effect of water that decreases tire temperature thus increasing rolling resistance.read more
Citations
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Road texture influence on tyre rolling resistance
TL;DR: In this paper, the relationship between surface texture and rolling resistance of light and heavy vehicle tyres was investigated and the results of measurements performed by the Technical University of Gdansk show that although the correlation exists, it is not very strong and regression between mean profile depth (MPD) and roll resistance is not linear.
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Influence of temperature on the tyre rolling resistance
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TL;DR: In this article, the authors present road measuring method of tyre rolling resistance and unique equipment used by the Technical University of Gdansk designed to perform measurements of passenger car tyres, and discuss road pavement, tyre and environmental conditions influence on rolling resistance.
References
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Rolling Resistance And Tire/Road Noise on Rubberized Asphalt Pavement In Poland
TL;DR: In this article, the authors present results of tire/road noise and rolling resistance measurements performed on SMA that contains rubberized asphalt developed and produced by the company in Poland, and first observations of asphalt mixture with the new kind of modified bitumen used on the field section are presented.
The selection of new reference test tyres for use with the CPX method, to be specified in ISO/TS 11819-3
TL;DR: An overview of the review process which formed the basis of the recommendations for an updated set of reference tyres and specific results from the evaluation of candidate replacements for ISO tyre A are presented.
Energy use generated by traffic and pavement maintenance: decision support for optimization of low rolling resistance maintenance treatments
TL;DR: In this article, the authors investigated the role of rolling resistance on total traffic energy use and if road maintenance treatments can be a viable option to reduce traffic energy consumption by decreasing macro texture and increased evenness.
Methods of Tire Rolling Resistance Measurements
TL;DR: There are several methods of tire rolling resistance measurements as discussed by the authors, and they show pros and cons of each method and present relations between results obtained during road and laboratory measurements performed at the Technical University of Gdansk, Poland.