Abstract This paper considers the problem of community noise for an aircraft with contra-rotating open rotors. Main noise sources are described. Basic methods of noise reduction are considered. A noise reduction method by increasing the axial spacing between propellers is proposed from the test results.


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    Title :

    Problem of the Community Noise Reduction for Aircraft with Open Rotor Engines


    Contributors:

    Published in:

    Russian Aeronautics ; 61 , 4 ; 647-650


    Publication date :

    2018-10-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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