1058 Revue européenne de mécanique numérique. Volume 17 -n° 8/2008 Nomenclature C p chaleur massique, J.kg -1 .K -1 E c énergie cinétique de la voiture, J
Temperature is an important parameter in the design and interpretation of the thermomechanical behaviour of braking systems. The frictional heat generated on the diskpad interface induces high temperature which can cause disk brake fade phenomena, local scoring, thermal cracking and thermo elastic instabilities. In this study we present a thermomechanical modelling of an automotive braking system. For this purpose, a three dimensional simulation thermal model for a ventilated brake-disk of an Anti lock-Braking System (ABS) is conducted in instationary state in different operating conditions. Sliding boundary conditions techniques were developed to consider the effects of the thermomechanical load source (the pad) motion with a decelerated speed. The numerical results were presented in the form of cartographies showing the temperature fields versus time in the r-θ and r-z planes for different braking scenarios.
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