Tyre exterior noise legislation (pass-by) is becoming more stringent with time. To cater to these requirements, it is very important to understand the tyre noise generation and enhancing mechanisms such as air pumping, air turbulence, pipe resonance, horn effect in high frequency region from 500Hz to 4000Hz. These phenomena are affected by air flow around and within the tyre pattern hence, CFD based approach is chosen for tyre exterior noise. The CFD based methodology helps in fine tuning the tread pattern to reduce aero acoustic noise level which leads to reduction in the product design cycle time. In present study, 3d transient CFD aero-acoustic modelling approach results were validated against the anechoic tyre rolling noise test data which captures the air-born noise mechanisms for frequency range of 1 kHz to 4 kHz.


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    Title :

    Aero-Acoustics Noise Prediction of 3D Treaded Tyre Using CFD


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Symposium on International Automotive Technology 2019 ; 2019



    Publication date :

    2019-01-09




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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