A numerical computation scheme has been developed to determine the sound generated by propellers. A comparison of these calculations to the noise data taken in the flight test of a propeller driven aircraft shows good agreement. The method is then applied in a parametric study of fixed pitch propellers designed to reduce noise while maintaining shaft speed so that the method presented here may be used in a retrofit option for the general aviation fleet. (Wassmann)
Design of quiet efficient propellers
Entwurf von geraeuscharmen Propellern
SAE-Papers ; 1-14
1979
14 Seiten, 19 Bilder, 2 Tabellen, 13 Quellen
Aufsatz (Konferenz)
Englisch
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