Prediction methods for Near Field Noise Environments of VTOL Aircraft

Item

Title
Prediction methods for Near Field Noise Environments of VTOL Aircraft
Date
1972
Index Abstract
Not Available
Photo Quality
Not Needed
Report Number
AFFDL TR 71-180
Creator
Sutherland, L. C.
Brown, D.
Corporate Author
Wyle Laboratories
Laboratory
Air Force Flight Dynamics Laboratory
Extent
246
Identifier
AD0900405
AD0900405
Access Rights
Distribution limited to U.S. Government agencies only
Distribution Classification
1
Contract
F33615-69-C-1407
DoD Project
1471
DoD Task
147102
DTIC Record Exists
No
Distribution Change Authority Correspondence
AFFDL LTR
Report Availability
Full text available
Date Issued
1972-05
Abstract
The abstract for this report is either unavailable or has yet to be entered
Provenance
Lockheed Martin Missiles & Fire Control
Type
report
Subject
Aircraft Noise
Vertical Takeoff Aircraft
Mathematical Prediction
Noise
Aircraft Engine Noise
Jet Engine Noise
Jet Aircraft Noise
Propeller Noise
Aerodynamic Noise
White Noise
Sonic Boom
Takeoff
Airframes
Vibration
Ground Effect
Sound Transmission
Reflectivity
Frequency
Buffeting
Rotor Blades (Rotary Wings)
Reduction
Intensity
Acoustic Properties
Shock Waves
Turbulence
Vortices
Gas Turbines
Walls
Fans
Jet Flow
Power Spectra
Lift
Blade Airfoils
Anechoic Chambers
Computer Programs
Jet Aircraft
Format
1 online resource