How does a turbofan engine operate?

A turbofan engine operates by utilizing a fan system in conjunction with a core engine. The fan, which is situated at the front of the engine, draws in a large volume of air and provides the majority of the thrust. This thrust is generated as the air is accelerated through the fan and expelled rearward.

In addition to the fan, the core engine produces additional thrust through the combustion of fuel, which takes place in a more centralized combustion chamber. This dual operation, where the fan provides most of the thrust and the core engine enhances performance through jet propulsion, makes turbofan engines particularly efficient for commercial aviation.

The configuration of a turbofan allows it to operate more quietly and efficiently at subsonic speeds compared to other engine types, which is essential for passenger flights and helps to minimize fuel consumption and environmental impact. The combination of the fan and the turbine section is a key characteristic that distinguishes turbofans from other engine types.