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Power Plant Design for Noise Suppression
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English
Abstract
The design configuration of turbofan power plant installations for commercial aircraft is significantly influenced by the requirement for reduced aircraft noise. This paper describes the design evolution of the installation of the CF6, high-bypass ratio engine in the McDonnell Douglas DC-10 as it was influenced by the need for noise suppression measures. The candidate alternatives and the basic trade-off criteria leading to the selected configuration are presented.
This paper also includes some considerations associated with choice of material, construction, and design techniques applicable to various areas of sound treatment within the nacelle.
Authors
Citation
Bagby, C., "Power Plant Design for Noise Suppression," SAE Technical Paper 700804, 1970, https://doi.org/10.4271/700804.Also In
References
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- Douglass, W. M. Aerodynamic Installation of High-Bypass-Ratio Fan Engines SAE Paper No. 660732 October 1966
- Wright, L. A. Jongeneel, J. W. Douglas Design for Powerplant Reliability and Maintainability SAE 1969
- Watson, Herschel A. Structural and Environmental Studies of Duct-Lining Acoustical Materials 77th Meeting of Acoustical Society of America April 1969
- Pendley, Robert E. Marsh, Alan H. Turbofan engine noise suppression, Jet Aircraft 5 3 May-June 1968 215 220
- NASA Acoustically Treated Nacelle Program Langley Research Center Hampton, Virginia October 15 1969 1969
- Lennard, D. J. Design Features of the CF6 Engine Thrust Reverser and Spoiler SAE April 1969