Dynamic cutback flyover noise calculation can be used for the airworthiness certification of community noise of civil aircraft and is of great importance to reduce the noise level. This calculation methodology processes the flight path, engine response and noise database to obtain the effective perceived noise level (EPNL) for flyover under various limitation. Currently, the noise airworthiness regulations only provide general principles without specific methods for reference. This article outlines the parameters and limitations involved in dynamic cutback calculation, provides a detailed methodology suitable for different types of dynamic cutback profile, and analyzes the influence of altitude parameters on noise levels. The results show that the airworthiness noise level can be reduced by about 2.1EPNdB, which improve aircraft economy and market competitiveness.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Research on Dynamic Cutback Flyover Noise Calculation for Civil Aircraft Certification


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:

    Conference:

    International Conference on Aerospace System Science and Engineering ; 2024 ; Shanghai, China July 17, 2024 - July 18, 2024



    Publication date :

    2025-03-09


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




    EQUIVALENT CALCUALTION METHOD OF FLYOVER NOISE LEVEL OF CUTBACK TAKE-OFF FOR CIVIL JET AIRPLANE AIRWORTHINESS CERTIFICATION

    Song, Y. / Zhang, X. / Liu, Q. et al. | British Library Conference Proceedings | 2022


    Aircraft Flyover Noise Measurements

    Strahle, Warren C. / Nagamatsu, Henry T. / Schwartz, Ira R. | AIAA | 1976


    Aircraft flyover noise prediction

    Zorumski, W. E. | NTRS | 1977


    Aircraft flyover noise measurements

    ZWIEBACK, E. | AIAA | 1975


    Propeller Aircraft Flyover Noise Testing

    Shreve, James C. | SAE Technical Papers | 1977