Both tire wear and road polishing are complex phenomenon, which are obviously strongly related; the energy that polishes the road is the energy that wears the tire. The both depend non-linearly on numerous parameters, like materials used, vehicle and road usage, environmental conditions (i.e. temperature) and many others. Based on these observations, the three-year 5th framework EU project TROWS (Tire and Road Wear and Slip assessment) was started. This paper focuses on the followed approach, methods, tools and results of the TROWS project. Experiments have been performed on three different levels; compound tests, carousel tests and vehicle-on-the-road testing. A software environment has been developed that implements the different process steps, and that manages the data flow between these steps. These processes combine the various measurement datasets and the numerical tools developed by the different TROWS partners; one implementation allows to predict tire global wear and the transversal tire wear profile, the other implementation allows to predict asphalt polishing. already with the current tools the passenger car tire wear results obtained from the measurements on the public road track in Italy agree well with the results determined with the tire wear prediction environments both qualitatively as well as quantitatively. This result allows tire manufacturers to include tire wear more easily in the early development steps of a new tire. Also the found asphalt polishing law proved to give quantitatively correct results. The evolution of the road surfaces level of polishing can be explained and even foreseen if we know the nature of the road dressings used and the constraints due to traffic.
Tyre and road wear prediction
Vorhersage von Reifen- und Straßenabrieb
Fachtagung der VDI-Gesellschaft Fahrzeug- und Verkehrstechnik, Reifen, Fahrwerk, Fahrbahn, 9 ; 119-136
VDI-Berichte ; 1791
2003
18 Seiten, 21 Bilder, 30 Quellen
Aufsatz (Konferenz)
Englisch
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