This has really got me confused lately. I’ve read online that it increases efficiency, the potential energy of the air and helps with combustion, but my question is:
If the same amount of air is passing through the engine regardless, why pressurise it? Wouldn’t the gain in PE of the air just be equal to the loss of KE of the aircraft due to the air hitting/dragging the aircraft back as it’s compressed? I’m almost certain I’m wrong here, but any explanation which could clear this up for me would be great thanks.
In: 12
They only good part of the air is the oxygen in it, which is a relatively small proportion but is what aids with combustion. The more pressurised the air, the more oxygen is concentrated so the more it can contribute to the combustion.
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