Accession Number:

ADA042783

Title:

A Review of Methods for Estimation of Aeroacoustic Loads on Flight Vehicle Surfaces

Descriptive Note:

Final rept. Jan 1975-Jul 1976,

Corporate Author:

BOLT BERANEK AND NEWMAN INC CAMBRIDGE MA

Personal Author(s):

• Ungar, Eric E.
• Wilby, John F.
• Bliss, Donald B.
• Pinkel, B.
• Galaitsis, A.

Report Date:

1977-02-01

Pagination or Media Count:

319.0

Abstract:

Alternative techniques for predicting the aeroacoustic loads that act on flight vehicle surfaces due to propulsion and powered lift systems, surface flow, and armament are reviewed, evaluated, and compared.

Descriptors:

• *AERODYNAMIC LOADING
• *ACOUSTIC SIGNATURES
• *AIRCRAFT NOISE
• MATHEMATICAL PREDICTION
• AIRFRAMES
• FLOW NOISE
• PRESSURE DISTRIBUTION
• MACHINERY NOISE
• BOUNDARY LAYER FLOW
• LIFT TO DRAG RATIO
• AERODYNAMIC CONTROL SURFACES
• JET ENGINE NOISE
• PROPELLER NOISE

Subject Categories:

• Acoustics
• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE