The major elements of the NASA Lewis Research Center's Subsonic Transport Propulsion Research Program are summarized. Ultra-high-bypass ratio cycles and high-efficiency cores are being investigated for propulsive and thermal efficiency improvements, respectively. Overall efficiency gains are sought subject to the constraints of noise and emissions goals. Elements of the research program including key technical issues are discussed along with the planned sequence of the activities.
Overview of Subsonic Transport Propulsion Technology
1991
13 pages
Report
No indication
English
Aircraft , Jet & Gas Turbine Engines , Aircraft engines , Propulsion system performance , Propulsive efficiency , Research and development , Subsonic aircraft , Transport aircraft , Nasa programs , Thermodynamic efficiency , Aircraft noise , Exhaust gases , Project planning , Research projects , Thermodynamic cycles
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