Method for estimation of road wheels rolling resistance in rubber track systems

Abstract eng:
The Department of Off-Road Machine and Vehicle Engineering (Wrocław University of Science and Technology) conducts intensive research aimed at developing computational models for estimation of internal motion resistance of off-road vehicles with rubber tracks and belts. Internal rolling resistance of road wheels (rollers), caused by their interaction with tracks, is a significant factor affecting overall internal resistance of a rubber track system. The authors presented and verified an original, analytical-empirical model for estimation of rolling resistance of double flange roller coupled with rubber track. Values of main parameters of the model are derived from results of experiments carried out by the authors. The model estimates rolling resistance coefficient as a function of roller vertical load and the angle between inner track surface and roller's axis of rotation. According to evaluation performed herein, the model is suitable for calculating expected rolling resistance coefficient of rollers for engineering design computations purpose.

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