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    Review of Integrated Noise Model (INM) Equations and Processes

    Review of Integrated Noise Model (INM) Equations and Processes


    The FAA's Integrated Noise Model (INM) relies on the methods of the SAE AIR-1845 'Procedure for the Calculation of Airplane Noise in the Vicinity of Airports' issued in 1986. Simplifying assumptions for aerodynamics and noise calculation were made in the SAE standard and the INM based on the limited computing power commonly available then. The key objectives of this study are 1) to test some of those assumptions against Boeing source data, and 2) to automate the manufacturer's methods of data development to enable the maintenance of a consistent INM database over time. These new automated tools were used to generate INM database submissions for six airplane types :737-700 (CFM56-7 24K), 767-400ER (CF6-80C2BF), 777-300 (Trent 892), 717-200 (BR7 15), 757-300 (RR535E4B), and the 737-800 (CFM56-7 26K).

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    Titel :

    Review of Integrated Noise Model (INM) Equations and Processes

    Beteiligte:
    K. P. Shepherd (Autor:in) / D. W. Forsyth (Autor:in) / J. Gulding (Autor:in) / J. DiPardo (Autor:in)
    Erscheinungsdatum :

    2003

    Format / Umfang :

    55 pages

    Medientyp :

    Report

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Noise Pollution & Control , Acoustics , Aircraft noise , Noise prediction(Aircraft) , Aircraft models , Aerodynamic noise , Jet aircraft , Airports , Extrapolation , Data bases , Weight(Mass) , Thrust distribution

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