The turbojet engine was invented by Charles Louvrié (copy right in 1863). It needs to wait August 1939 with the Henkel HE 178 before to fly for first time. On 1942, August, the 18th Messerschmitt do the first flight of the ME 262, first serial airplane (more than 1400 built) to use a turbojet engine. Too noisy, too gourmand, after a short highlight during the 60’s, this engine was abandoned by civilians airplane, even if it can have interesting capacities on very high speed, like proved by Concorde and military applications (The Lockheed SR71 BlackBird is still the fastest turbojet engine airplane: it can fly at Mach 3,5 or more of 4000 km/h!).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The air flow come on the engine through air intake and is sucked up and comprimed by the compressor . Some fuel is injected and burned in the combustion chamber. The power delivered is got back by the turbine. Then the gaz are expulsed by the nozzle. To be noted: the hot flow that goes out the nozzle didn’t mix with the cold flow outside of the engine (different temperatures fluids cannot mix them easy), but a strong turbulence area is created on the frontier of the two flows. It decreases the airplane performance, and also made a lot of noise.