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14 Cards in this Set
- Front
- Back
Types of jet engines |
1 turbojet 2 turbofan 3 turboprop 4 turboshaft |
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All turbine jet engines contain 7 basic elements |
1 air inlet 2 compressor section 3 combustion section 4 turbine section 5 exhaust section 6 accesory section 7 systems needed for auxilary purposes |
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Whats apart of cold section? |
Air inlet duct and compressor |
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What apart of the hot section? |
Combustors, turbines, exhaust |
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Main type of engine used today? |
Tubojet |
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Mqin propulsion system in modern aircraft? |
Jet propulsion |
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What produces thrust? |
Difference of speed between entering and exiting air |
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Turbojet working principle |
1 air enters through inlet duct 2 compressor compresses air 3 compressed air has fuel added and is ignited in the combustion section 4 compressed air expands and it passes through turbine wheels which power the compressor 5 air exits engine at high velocities |
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How much air does a jet engine intakes per second? |
1.2 tons |
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Indication of ammount of thrust |
ERP - Engine Pressure Ratio or Discharge pressure to inlet pressure |
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Fuel at combustion chamber burns at |
2000 celsius |
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What is maximum temperature affected by |
Materials used in engine |
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Compressor heats air to |
200 to 550 celsius |
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Combustion process gives a temperature raise of |
850 to 1500 celsius |