Sound pressure of the first four harmonics of rotation from a full-scale two-blade propeller were measured and are compared with values calculated from theory. The comparison is made (1) for the space distribution with constant tip speed and (2) for fixed space angles with variable tip speed. A relation for rotation noise from an element of radius developed by Gutin is given showing the effect of number of blades on the rotation noise.


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    Title :

    Propeller rotation noise due to torque and thrust


    Contributors:

    Publication date :

    1940-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English



    Propeller rotation noise due to torque and thrust

    Deming, A.F. | Engineering Index Backfile | 1940


    Propeller rotation noise due to torque and thrust

    Deming, Arthur F. | TIBKAT | 1940



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