A laboratory experiment was conducted to compare the annoyance of flyover noise from advanced turboprop aircraft having different propeller configurations with the annoyance of conventional turboprop and jet aircraft flyover noise. It was found that advanced turboprops with single-rotating propellers were, on average, slightly less annoying than the other aircraft. Fundamental frequency and tone-to-broadband noise ratio affected annoyance response to advanced turboprops but the effects varied with propeller configuration and noise metric. The addition of duration corrections and corrections for tones above 500 Hz to the noise measurement procedures improved prediction ability.


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    Title :

    Advanced turboprop aircraft flyover noise annoyance - Comparison of different propeller configurations


    Contributors:

    Publication date :

    1989-04-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :