Research Catalog

Title

Helicopter model rotor-blade vortex interaction impulsive noise [microform] : scalability and parametric variations / W.R. Splettstoesser ... [et al.].

Publication

Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; St. Louis, Mo. : United States Army Aviation Systems Command, [1984]

Details

Additional Authors

• Splettstoesser, W. R.
• Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt.
• Army Research and Technology Laboratories (U.S.)
• Ames Research Center.

Description

ii, 28 p. : ill.

Summary

Acoustic data taken in the anechoic Deutsch-Niederlaendischer Windkanal (DNW) have documented the blade-vortex interaction (BVI) impulsive noise radiated from a 1/7-scale model main rotor of the AH-1 series helicopter.

Series Statement

NASA technical memorandum ; 86007

Uniform Title

NASA technical memorandum ; 86007.

Subject

• Helicopters > Noise
• Rotors (Helicopters) > Analysis
• Blade slap noise
• Blade-vortex interaction
• Helicopters
• Rotor blades (turbomachinery)
• Vortices

Note

• "Report date December 1984."

Additional Formats (note)

• Also available via Internet from the NTRS web site. Address as of 09/02/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19850008517%5F1985008517.pdf ; current access is available via PURL.

Reproduction (note)

• Microfiche.

Call Number

GPO Microfiche NAS 1.15:86007

OCLC

marcive51793372

Title

Helicopter model rotor-blade vortex interaction impulsive noise [microform] : scalability and parametric variations / W.R. Splettstoesser ... [et al.].

Imprint

Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; St. Louis, Mo. : United States Army Aviation Systems Command, [1984]

Series

NASA technical memorandum ; 86007

NASA technical memorandum ; 86007.

Additional Formats

Also available via Internet from the NTRS web site. Address as of 09/02/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19850008517%5F1985008517.pdf ; current access is available via PURL.

Reproduction

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1985. 1 microfiche.

Connect to:

http://purl.access.gpo.gov/GPO/LPS101194

Added Author

Splettstoesser, W. R.

Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt.

Army Research and Technology Laboratories (U.S.)

Ames Research Center.

Gpo Item No.

0830-D (MF)

0830-D (online)

Sudoc No.

NAS 1.15:86007

Research Call Number

GPO Microfiche NAS 1.15:86007

GPO Internet NAS 1.15:86007