What is the Difference Between Turbojet and Turbofan?

1 Answers
Nguyen
07/30/25 3:38am
Below are the differences between turbojet and turbofan engines: 1. Different power sources; Turbofan engine: Power comes from the fan and gas expansion work; Turbojet engine: Power source is gas expansion work; 2. Different structural components; Turbojet engine: Compressor + combustion chamber + turbine. Turbofan engine: Fan + bypass duct + compressor + combustion chamber + turbine. Here is some basic knowledge about turbojet engines: The shaft and fan in a turbojet are used to compress air. The compressed air is mixed with fuel in the combustion chamber and burned, then the expanded high-temperature and high-pressure air is ejected from the rear to provide jet thrust. As it passes through the turbine, it causes the turbine to rotate. The turbine is connected to the compressor fan via the same shaft, providing the power for air compression, thus completing the cycle.
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