The current emphasis on environment protection by reducing noise pollution has led to stricter noise standards for general aviation aircraft. As a result, there is a growing demand for a computational tool to predict the noise during the design process.A computer program, called ProRAPP, has been developed for the prediction of noise generated by propeller/rotor blades. The acoustic pressure is calculated using a form of Ffowcs Williams-Hawkings equation which is suitable for numerical implementation. For noise predictions, the observer can either move with the propeller/rotor hub or it can be fixed to the ground. Experimental data from both wind tunnel and flight tests are used to validate the numerical results.


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    Title :

    ProRAPP: A Computer Program for Propeller/Rotor Noise Prediction


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    World Aviation Congress & Exposition ; 1998



    Publication date :

    1998-09-28




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English