ROAD TEXTURE AND TIRE NOISE

Abstract

The research project presented here addresses the influence of road texture profile on tire It is deemed more appropriate, when seeking for correlation between road profile and tire noise spectra, to 'envelope' the road profile before evaluating its spectrum. Two approaches are taken to tackle the problem. A static approach based on evaluating the contact between two plane surfaces. A dynamic approach based on a rolling tire model. Since the latter enables the evaluation of tire noise from any given road texture profile, it is also used to get a better grasp of the phenomena. Only the fundamentals of the processes are presented; experiments will be performed in the coming years. The static approach is worked in the PREDIT project Relation between road texture and the tire noise. The partners are INRETS, LCPC, ENPC, MICROdB, Gerland Routes, and Colas S.A. The dynamic approach is developed in the frame of the European project SI.R.U.US. The partners are Autostrade (It), CRR (Be), Pavimental (It), INRETS (Fr), SACER (Fr), Argex (Be), and LNEC (Pt). For the covering abstract see ITRD E107776.