Wake geometry effects on rotor blade-vortex interaction noise directivity
By: R. M. (Ruth McVoy) Martin, Michael A. Marcolini, W. R. Splettstoesser and K.-J. Schultz.
Contributors: Marcolini, Michael A.; Schultz, K.-J.; Splettstoesser, W. R.; Langley Research Center
Publisher: Langley Research Center
Published: 1990
Place of publication: Hampton, Va
Number of pages: 22
Subjects: Rotor acoustics
Notes: Includes bibliographical references: p. 8.