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"NASA CR-1705"--Pt. I; "NASA CR-1706"--Pt. II; "NASA CR-1707"--Pt. III; "NASA CR-1708"--Pt. IV; "NAS...
A description is given of the ground test quiet nacelle for the TF34 engine. The suppression treatme...
A study was made of the effects of turbofan cycle parameters and the use of acoustic noise suppressi...
Static tests of noise suppressor configurations of DC-8 aircraft nacelle modifications to reduce fan...
Noise reduction of Boeing 707 during landing approach by modifying turbofan nacelle with polyimide f...
Flightworthy nacelle development to minimize fan compressor noise radiation - Vol.
Development of acoustic lining for turbofan nacelle modification to minimize fan compressor noise ra...
The technology of turbofan engine noise reduction is surveyed. Specific topics discussed include: (1...
Turbofan noise generation and suppression in aircraft engines are reviewed. The chain of physical pr...
An analysis procedure was developed for design of acoustically treated nacelles for high bypass turb...
Engineering design studies on noise reduction in turbofan duct of DC-8 aircraft engin
A comprehensive aeroacoustic research program called the Source Diagnostic Test was recently conclud...
Flight acoustical and performance evaluations of DC 8 nacelle modifications to reduce fan-compressor...
Acoustic and aerodynamic performance of six foot diameter fan for turbofan engines with noise suppre...
Two computer programs determine effect of boundary layer on attenuation of sound in a circular duct ...
"NASA CR-1705"--Pt. I; "NASA CR-1706"--Pt. II; "NASA CR-1707"--Pt. III; "NASA CR-1708"--Pt. IV; "NAS...
A description is given of the ground test quiet nacelle for the TF34 engine. The suppression treatme...
A study was made of the effects of turbofan cycle parameters and the use of acoustic noise suppressi...
Static tests of noise suppressor configurations of DC-8 aircraft nacelle modifications to reduce fan...
Noise reduction of Boeing 707 during landing approach by modifying turbofan nacelle with polyimide f...
Flightworthy nacelle development to minimize fan compressor noise radiation - Vol.
Development of acoustic lining for turbofan nacelle modification to minimize fan compressor noise ra...
The technology of turbofan engine noise reduction is surveyed. Specific topics discussed include: (1...
Turbofan noise generation and suppression in aircraft engines are reviewed. The chain of physical pr...
An analysis procedure was developed for design of acoustically treated nacelles for high bypass turb...
Engineering design studies on noise reduction in turbofan duct of DC-8 aircraft engin
A comprehensive aeroacoustic research program called the Source Diagnostic Test was recently conclud...
Flight acoustical and performance evaluations of DC 8 nacelle modifications to reduce fan-compressor...
Acoustic and aerodynamic performance of six foot diameter fan for turbofan engines with noise suppre...
Two computer programs determine effect of boundary layer on attenuation of sound in a circular duct ...
"NASA CR-1705"--Pt. I; "NASA CR-1706"--Pt. II; "NASA CR-1707"--Pt. III; "NASA CR-1708"--Pt. IV; "NAS...
A description is given of the ground test quiet nacelle for the TF34 engine. The suppression treatme...
A study was made of the effects of turbofan cycle parameters and the use of acoustic noise suppressi...