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Turbojet Engine: Working and Main Parts - Mechanical Education

Turbojet engine:


Turbojet Engine: Turbojet Engine plays a major role in increasing the speed of flight.When compared to TURBOPROP, Turbojet contains one or two shafts according to the working conditions of flight.Turbojet containing single shaft is less efficient than a double shaft. Double shaft increases the speed, power, and efficiency. turbojet with one shaft has axial flow air inlet, centrifugal flow air inlet and the combination of both axial and radial flow inlet.


Main parts of turbojet engine:

  • Diffuser
  • Compressor
  • Combustion Chamber
  • Turbine
  • Nozzle

Diffuser:
This is used to draw the air from the atmosphere and converts the kinetic energy into static pressure.

Compressor:
This used to compress the air which is supplied from the diffuser.

Combustion chamber:
In this compressed air used to mix with fuel and burns.

Turbine:
This used to rotate the shaft when the hot gases flows from the combustion chamber and strikes the rotor blades on the turbine shaft.

Nozzle:
Nozzle generates the thrust from exhaust gas with high velocity and helps the flight to increase the speed.

 Working of turbojet engine:

The air from the atmosphere is drawn to a diffuser which increases the pressure rise in it and enters into the compressor, this helps to compress the air and supplies to the combustion chamber to mix with fuel and reaching to a high temperature to ignites the air-fuel ratio. high temperature with high-pressure gases from a combustion chamber enters into the turbine to rotate the shaft and gets expanded in it, and this enters into the nozzle and passes out with high velocity producing high thrust which improves the propulsive power to maximum.


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