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Comportement thermique des disques de frein

Abstract : The following theses examines the behaviour of disc brake rotors under different thermal charges, namely the temperature and deformation. It considers as well the possibilities to influence this behavior. The disc brake rotor is modelised in its environnement by the different ways of heat evacuation and heat injection, namely convection, conduction, radiation and heat flux due to the breaking maneuvers. As far as it concerns the heat evacuation by convection, it reveals to be the most difficult and complex problem to modelise since the convection is linked to aerodynamic flow-conditions around the disc brake rotor. A technique of subdivision of the rotor surface is applied, linking individual convection coefficients to certain sub-surfaces. The same technique is used for the modelisation of the radiation. The model is verified by bench tests. Also modifications of rotor-geometry are examined with respect to their influence on the thermal behavior of the disc brake rotor. This examination is performed using a statistical design method
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Submitted on : Tuesday, April 24, 2018 - 3:49:08 PM
Last modification on : Wednesday, February 23, 2022 - 3:24:05 PM
Long-term archiving on: : Wednesday, September 19, 2018 - 1:16:19 PM


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  • HAL Id : tel-01775992, version 1



Jens-Wolf Jaisle. Comportement thermique des disques de frein. Sciences de l'ingénieur [physics]. Université Paul Verlaine - Metz, 1992. Français. ⟨NNT : 1992METZ030S⟩. ⟨tel-01775992⟩



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