User's manual for a computer program to calculate discrete frequency noise of convention and advanced propellers
By: R.M. Martin and F. Farassat
Contributors: Farassat, F; Langley Research Center; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Series: NASA technical memorandum -- 83135
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1981
Place of publication: Washington, D.C; [Spingfield, Va
Language: eng
Number of pages: 86
Subjects: Propellers, Aerial
Notes: "Langley Research Center."

"August 1981"--Cover

Subject category 71

Includes bibliographical references