Research Catalog

Title

Reduction of blade-vortex interaction noise using higher harmonic pitch control [microform] / Thomas F. Brooks ... [et al.].

Publication

Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; US Army Aviation Systems Command, Aviation R & T Activity, [1989]

Details

Additional Authors

• Brooks, Thomas F.
• Langley Research Center.
• United States. Army Aviation Research and Technology Activity.

Description

17 p. : ill.

Series Statement

• NASA technical memorandum ; 101624
• AVSCOM technical memorandum ; 89-B-005

Uniform Title

• NASA technical memorandum ; 101624.
• AVSCOM technical memorandum ; 89-B-005.

Subject

• Rotors > Noise
• Acoustics
• Blade-vortex interaction
• Control systems design
• Noise reduction
• Pitch (inclination)
• Propeller noise

Note

• Cover title.
• "July 1989."

Bibliography (note)

• Includes bibliographical references (p. 10).

Reproduction (note)

• Microfiche.

Call Number

GPO Microfiche NAS 1.15:101624

OCLC

marcive26124010

Title

Reduction of blade-vortex interaction noise using higher harmonic pitch control [microform] / Thomas F. Brooks ... [et al.].

Imprint

Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; US Army Aviation Systems Command, Aviation R & T Activity, [1989]

Series

NASA technical memorandum ; 101624

AVSCOM technical memorandum ; 89-B-005

NASA technical memorandum ; 101624.

AVSCOM technical memorandum ; 89-B-005.

Bibliography

Includes bibliographical references (p. 10).

Reproduction

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1989. 1 microfiche : negative.

Added Author

Brooks, Thomas F.

Langley Research Center.

United States. Army Aviation Research and Technology Activity.

Other Form:

Reduction of blade-vortex interaction noise using higher harmonic pitch control. 17 p. (OCoLC)302340104

Gpo Item No.

0830-D (MF)

Sudoc No.

NAS 1.15:101624

Research Call Number

GPO Microfiche NAS 1.15:101624