What is the main function of the fan in a turbo fan engine?

The word “turbofan” is a portmanteau of “turbine” and “fan”: the turbo portion refers to a gas turbine engine which achieves mechanical energy from combustion, and the fan, a ducted fan that uses the mechanical energy from the gas turbine to force air rearwards.

What is an open fan jet engine?

A propfan, also called an open rotor engine, or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from both. The design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop.

How does an open rotor engine work?

An open rotor engine is essentially a turboprop with two rows of blades, or propellers, which can operate efficiently at higher speeds than a conventional turboprop. In an open rotor engine, the forward propeller pushes the air backwards, while the rear one sucks it.

How does turbo jet engine work?

A turbojet engine is a gas turbine engine that works by compressing air with an inlet and a compressor (axial, centrifugal, or both), mixing fuel with the compressed air, burning the mixture in the combustor, and then passing the hot, high pressure air through a turbine and a nozzle.

What is a turbo jet aircraft?

The turbojet is an airbreathing jet engine, typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and a turbine (that drives the compressor).

Why did the Unducted fan fail?

For the 7J7, the engines would be mounted near the tail to allow clearance for the propellers and to reduce cabin noise. But what sparked the interest in developing a fuel efficient engine and aircraft became the demise of the UDF and the 7J7. The end of the oil embargo led to cheaper fuel prices.

How would an electric jet engine work?

The device, created by researchers from the Institute of Technological Sciences at Wuhan University in China, compresses air and ionizes it using microwaves. This then generates plasma that thrusts the engine forward.

https://www.youtube.com/watch?v=0OgEbs3ovOw