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2 Seventh European Rotorcraft and Powered Lift Aircraft Forum i (1981)

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SEVENTH EURbPEAN ROTORCRAFT AN~D POWERED LIFT AIRCRAFT FORUM4


                   Paper No. 32



   PREDICTION OF BLADE-VORTEX INTERACTION NOISE

           FROM MEASURED BLADE PRESSURE





                 Yoshiya Nakamura

             Aeromechanics Laboratory
  U.S. Army Research and Technology Laboratories
               Ames Research Center
        Moffett Field, Calif. 94035 U.S.A.










               September 8-11, 1981


               Garmisch-Partenkirchen
           Federal Republic of Germany





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