Research Catalog

Title

Perpendicular blade vortex interaction and its implications for helicopter noise prediction [microform] : final report to NASA Langley on research performed under grant NAG-1-1119, "wave-number frequency spectra in a trailing vortex for BSI noise prediction" for the period ending 15th August, 1993 / William J. Devenport ... [et al.].

Publication

[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]

Details

Additional Authors

• Devenport, William J.
• United States. National Aeronautics and Space Administration.

Description

1 v.

Series Statement

NASA contractor report ; NASA CR-193623

Alternative Title

Wave-number frequency spectra in a trailing vortex for BSI noise prediction.

Subject

• Vortex-motion
• Rotors (Helicopters)
• Aerodynamic noise

Note

• Distributed to depository libraries in microfiche.
• Shipping list no.: 93-1201-M.

Reproduction (note)

• Microfiche.

Call Number

READEX Microfiche NAS 1.26:193623

OCLC

marcive30991690

Title

Perpendicular blade vortex interaction and its implications for helicopter noise prediction [microform] : final report to NASA Langley on research performed under grant NAG-1-1119, "wave-number frequency spectra in a trailing vortex for BSI noise prediction" for the period ending 15th August, 1993 / William J. Devenport ... [et al.].

Imprint

[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]

Series

NASA contractor report ; NASA CR-193623

Reproduction

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 4 microfiches.

Added Author

Devenport, William J.

United States. National Aeronautics and Space Administration.

Gpo Item No.

0830-H-14 (MF)

Sudoc No.

NAS 1.26:193623

Research Call Number

READEX Microfiche NAS 1.26:193623