Aerodynamic Considerations for Engine Inlet Design for Subsonic High Bypass Fan Engines

Consideration is given the manner in which inlet throat Mach number. cowl forebody lip suction loss, boattail pressure, and skin friction affect the design of nacelles for high bypass ratio, short duct engines. The mutual relationship of the fan nozzle, hot gas nozzle, the gas generator cowling, and the fan cowl is discussed.