In this paper a CFD (computational fluid dynamics) based lumped parameter method comparing the thermal performance of brake rotors and predicting the transient temperatures and brake lining wear in vehicles is presented. A two pronged approach was developed for this purpose. A rotor stand-alone model was used to predict rotor performance curves and, simultaneously, heat transfer coefficients of the brake rotor were computed corresponding to the rotor performance curves, and the appropriate heat transfer correlations were established. In the second part of this approach a brake model in a vehicle was developed in order to solve the air flow through rotors in different vehicles at various speeds. These rotor flows were cross-referenced with the model-generated rotor performance curves to compute the heat transfer coefficients in the vehicle. These vehicle heat transfer coefficients were used with the heat inputs obtained from the vehicle dynamics in a lumped capacitance model of a brake rotor to predict the transient brake rotor temperatures.


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    Title :

    CFD based lumped parameter method to predict the thermal performance of brake rotors in vehicle


    Additional title:

    Eine CFD-basierte konzentrierte Parametermethode zur Vorhersge der thermischen Stabilität von Bremsscheiben in Fahrzeugen


    Contributors:


    Publication date :

    2003


    Size :

    7 Seiten, 19 Bilder, 2 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    CFD Based Lumped Parameter Method to Predict the Thermal Performance of Brake Rotors in Vehicle

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    CFD based lumped parameter method to predict the thermal performance of brake rotors in vehicle

    Damodaran,V. / Cherukuru,R. / Jayasundera,A. et al. | Automotive engineering | 2003


    2003-01-0601 CFD Based Lumped Parameter Method to Predict the Thermal Performance of Brake Rotors in Vehicle

    Damodaran, V. / Cherukuru, R. / Jayasundera, A. et al. | British Library Conference Proceedings | 2003


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    Thermal Analysis of Vented Brake Rotors

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