Analytically and empirically derived external and internal aerodynamic data have been applied to the high-speed cruise development of a low-drag, minimum thrust loss, strut mounted nacelle. The nacelle considered for this study houses a high bypass ratio subsonic fan engine with a short fan duct and a primary plug nozzle. The analysis technique has been geared to a simple geometric description of the nacelle and exhaust system so that high-speed computers may be used to generate trade data. The trade data permit the selection of exhaust systems which, when combined with the complete nacelle, will provide the highest thrust-minus-drag configuration consistent with the airplane cruise mission.
Aerodynamic Considerations for Engine Exhaust Design for Subsonic High Bypass Fan Engines
Sae Technical Papers
National Aeronautic and Space Engineering and Manufacturing Meeting ; 1966
1966-02-01
Conference paper
English
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