Propelling system with large-range bypass ratio adjusting capacity
The invention belongs to the technical field of engine design, and particularly relates to a propelling system with the large-range bypass ratio adjusting capacity. The system comprises a turbofan engine used for generating main thrust; the generator is connected with the turbofan engine and is used...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention belongs to the technical field of engine design, and particularly relates to a propelling system with the large-range bypass ratio adjusting capacity. The system comprises a turbofan engine used for generating main thrust; the generator is connected with the turbofan engine and is used for converting the mechanical energy into electric energy; the electric storage device is connected with the generator and is used for storing electric energy; and the electrically-driven fan is distributed on the fuselage of the airplane and comprises a motor and an air inlet channel, and the motor is connected with the electric storage device and used for converting electric energy into mechanical energy and driving the fan to rotate to generate auxiliary thrust. On the basis that an existing turbofan engine is not changed, the variable circulation characteristic is achieved by adding the electric power and the auxiliary fan system, and large-range adjustment of the bypass ratio and the oil consumption rate of t |
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