Project Description

Simulation of air inside a turbojet using ANSYS FLUENT

A turbo engine is a jet engine in which all of the air emitted into the combustion chamber is passed, and after combustion with fuel, the exhaust gas is emitted from the rear spindle of the engine. This type of engine is the oldest type of jet engine and is now used in the Benz, BMW and Mercedes company. Also, these cars will increase their velocity at the Rally racing by closing the turbo engine.

Turbojets from a variety of engines in the industry consisting of five main parts:

  1. Inlet or input
  2. Compressor
  3. Combustion chamber
  4. Turbine
  5. Nozzle or outlet

Input or Entry: This section is the first section in which the air entering the engine and passes through it. This section is a convergent or divergent duct, and its task is to slow down and smooth the inflow of air intake to the engine. If the air velocity of the inlet to the compressor is high, the velocity of air at the tip of the blades will reach the sound velocity and a lot of power will flow to the compressor. If the airspeed is subsonic, this will be divergent. If the speed is supersonic, this channel will converge. Because our flow behavior is supersonic and sub-sound too, in one flow, the supersonic air passes through a convergent duct, and its velocity decreases at sub-sound speeds. Therefore, the entry of the submarine is divergent to reduce the speed and help the compressor.

Compressor: The air enters the compressor after the entry. The compressor’s job is compressing the air. Compressors are divided into two main groups:

  1. Centrifugal compressor
  2. Axial flow compressors

Combustion chamber: The compressed air is driven into the combustion chamber and after fuel injection by the fuel sprayers (injectors), it reaches a temperature between 800 and 1200 Celsius. This section is covered with a temperature-resistant (high combustion) and high-pressure alloy.

Turbine: The turbine is similar to a compressor, but with the difference that the compressor is being used to compress the air, but the turbine is driven by the flow of heated gases. The compressor, turbine, and axle (spindle axis, from turbine to compressor) are called spools. Each turbojet engine has a spool, but some engines have two or more spools.

Nozzle or outlet: The exhaust gas outlet is a turbine, eventually it is a nozzle that generates the turbojet engine’s propulsion.

In this analysis, it has been tried to analyze the Simulation of air inside a turbojet using the ANSYS Fluent software.

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Project Details

TITLE: Simulation of air inside a turbojet

PROJECT TYPE: Turbomachinery

TIME: 29 days



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