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aircraft propulsion system

What is aircraft propulsion system..?


















The definition of 'aircraft' and 'propulsion':


















propulsion systems :

Aircraft Motion :

Gas turbines are used for aircraft propulsion system because they are light and compact and have a very high power to weight ratio.
there are turbojet, turboprop, turbofan, afterbuming turbojet.
airrcraft gas turbines operates on an open cycle called "jet propulsion cycle " , which can be of turbojet engine, turbofan engine or turboprop engine.

1-High velocity air first flow through diffuser where it is decelerated increasing its pressure then compressed in the compresssor.
2- the air is mixed with fuel in the combustion chamber, where the mixture is burned at a constant pressure.
3-the high pressure high temperature combustion gases partially expand in the turbine producing enough power to drive the compressor and auxiliary equipment. Finally the gases expand in the nozzle to the ambient pressure and leave the aircraft at high velocity.

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