The two main sections of a jet engine include the Cold Section and the Hot section.
The Cold Section includes:
- Air Intake (inlet)
- Compressor
- Bypass ducts
- Shaft
- Diffuser section
The Hot Section Includes:
- Combustor
- Turbine
- Afterburner
- Exhaust
- Supersonic Nozzle.
All of the various components will have constraints on how they are put together so that they produce the most efficiency.
Due to the nature of how a jet engine works, materials that are used will require high heat resistance and the ability to retain their strength, toughness, fatigue and microstructure stability at the high working temperatures of a jet engine. For this reason nickel, iron-nickel and cobalt alloys are widely used in the aerospace industry.
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