Major vibration and noise problem relevant to brake disk NVH (Noise, Vibration and Harshness) is judder and squeal. The thermal distortion induced by thermo-elastic instability (TEI) makes hot spots on the surface of brake disk which incur low frequency vibration called judder vibration. In pad-induced squeal noise, out-of-plane mode coupling occur due to variation of friction coefficient between disk and pad induce high frequency noise. Through coupled analysis of these two important phenomena, judder and squeal, an optimum braking system can be designed for higher disk and pad performance. In this study, we conducted numerical and experimental analysis in accordance with variation of disk stiffness in the same friction material (lining) while simultaneously considering hot judder and squeal noise. Results are discussed about their performances in the view of hot judder and squeal problems.


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    Titel :

    Thermal and Mechanical Performance Analysis in Accordance with Disk Stiffness Changes in Automotive Disk Brake


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kim, Chang-Boo (Autor:in) / Cho, Chongdu (Autor:in) / Cho, Hojoon (Autor:in)

    Kongress:

    Asia Pacific Automotive Engineering Conference ; 2007



    Erscheinungsdatum :

    2007-08-05




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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