The papers in this volume reflect the progress in aeroacoustic research which has been made in the field of VTOL and V/STOL aircraft noise. The research was directed mainly at developing better methods for predicting noise generation and propagation, at determining the effects of pressure fluctuations on surfaces and interior noise, and at developing noise abatement techniques. Among the topics covered are: scrubbing noise of externally blown flaps; propulsive-lift noise of an upper-surface-blown flap configuration; the aeroacoustic characteristics of model slot nozzles with straight flaps; fluctuating pressures on aircraft wing and flap surfaces associated with powered-lift systems; acoustic characteristics of a large upper-surface-blown configuration with turbofan engines; the effect of forward speed on jet/flap interaction noise; and airframe noise in the far field.


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    Title :

    Aeroacoustics: STOL noise; Airframe and airfoil noise


    Contributors:

    Publication date :

    1976-01-01


    Type of media :

    Book


    Type of material :

    No indication


    Language :

    English






    Panel Discussion: Airframe and Airfoil Noise

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


    Unstructured CFD and Noise Prediction Methods for Propulsion Airframe Aeroacoustics

    Pao, Paul / Abdol-Hamid, Khaled / Campbell, R. et al. | AIAA | 2006