Exam (elaborations)
ON4290 PROPULSION SYSTEMS TEST
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ON4290 PROPULSION SYSTEMS TEST....
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The T6A propulsion engine system consists of:1. power turbine section
2. Gas generation section
3. accessory section
What 3 elements are necessary for engine operation?
air
fuel
heat
The function of the accessory section?
Located rear of the engine.
Contains AGB, oil tank, a starter/generator, and a battery.
The starter turns the AGB through battery/ext power, which turns the
compressors that provide air to the engine until it is self-sustainable.
Air is compressed by..
4 stage axial compressor and single stage centrifugal compressor...
this compressed air is sent through the combustion chamber, where fuel is
added, and ignited.
What happens after the compressed air is ignited in the combustion chamber?
It drives the compressor turbine and power turbine.
4 components of the GG section?
1. compressor inlet
2. compressor
3. combustion chamber
3. compressor turbine
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