Flow structure generated by perpendicular blade vortex interaction and implications for helicopter noise predictions
Subtitle: semi-annual report to NASA Langley for worked performed under the grant
By: principal investigators: William J. Devenport, Stewart A.L. Glegg.
Contributors: Glegg, Stewart A. L.; United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-198590.; NASA contractor report -- NASA CR-198590.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1995
Place of publication: [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 95-0750-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1995] 1 microfiche.