Full-scale low-tip-speed fans, a full-scale high-tip-speed fan, scale model versions of fans, and tw...
Aircraft noise is an important byproduct of the world's air transportation system. Because of growin...
This report presents a detailed evaluation of the aircraft noise reduction technology concepts devel...
Efforts to develop an engine noise reduction technology suitable for use on subsonic and conventiona...
Design considerations for integration of turbofan engine with reduced noise output in jet aircraf
Design and specifications for low-noise output turbofan engine for long-range subsonic transport air...
The noise level of an uncoventional propulsion system for the next generation of subsonic, long-rang...
This presentation reviews engine noise research conducted at the NASA Glenn Research Center over the...
Since 2006, when the Fundamental Aeronautics Program was instituted within NASA's Aeronautics Missio...
Engine defined with noise reduced from level of current commercial aircraft powerplant
A comprehensive evaluation of propulsion systems for the next generation of near-sonic long range tr...
The Aircraft Noise Reduction (ANR) sub-project is focused on the generation, development, and testin...
The results are presented of a preliminary flight engine design study based on the Quiet Engine Prog...
The acoustic investigation and evaluation of the C propulsion turbofan engine are discussed. The eng...
A study was conducted to determine the promising propulsion systems for advanced supersonic transpor...
Full-scale low-tip-speed fans, a full-scale high-tip-speed fan, scale model versions of fans, and tw...
Aircraft noise is an important byproduct of the world's air transportation system. Because of growin...
This report presents a detailed evaluation of the aircraft noise reduction technology concepts devel...
Efforts to develop an engine noise reduction technology suitable for use on subsonic and conventiona...
Design considerations for integration of turbofan engine with reduced noise output in jet aircraf
Design and specifications for low-noise output turbofan engine for long-range subsonic transport air...
The noise level of an uncoventional propulsion system for the next generation of subsonic, long-rang...
This presentation reviews engine noise research conducted at the NASA Glenn Research Center over the...
Since 2006, when the Fundamental Aeronautics Program was instituted within NASA's Aeronautics Missio...
Engine defined with noise reduced from level of current commercial aircraft powerplant
A comprehensive evaluation of propulsion systems for the next generation of near-sonic long range tr...
The Aircraft Noise Reduction (ANR) sub-project is focused on the generation, development, and testin...
The results are presented of a preliminary flight engine design study based on the Quiet Engine Prog...
The acoustic investigation and evaluation of the C propulsion turbofan engine are discussed. The eng...
A study was conducted to determine the promising propulsion systems for advanced supersonic transpor...
Full-scale low-tip-speed fans, a full-scale high-tip-speed fan, scale model versions of fans, and tw...
Aircraft noise is an important byproduct of the world's air transportation system. Because of growin...
This report presents a detailed evaluation of the aircraft noise reduction technology concepts devel...