Quick jet engine Question
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Quick jet engine Question
Does the air pass through the Low pressure compressor of a turbofan first?
An instructor today said it was the HP compressor, though I read it is the LP compressor.
Also, what does this mean exactly?
"High bypass turbofans have larger bypass ratios, sometimes on the order of 5:1 or 6:1, compared to the low bypass turbofans which have a bypass ratio of around 2:1.
Thanks
An instructor today said it was the HP compressor, though I read it is the LP compressor.
Also, what does this mean exactly?
"High bypass turbofans have larger bypass ratios, sometimes on the order of 5:1 or 6:1, compared to the low bypass turbofans which have a bypass ratio of around 2:1.
Thanks
LP, then HP.
Bypass engines (most of them nowadays, probably all in current production) take air through the LP compressor and pass a portion (the bypass) around the core, and a normally rather smaller proportion through the core (combustion chamber, HP turbine, then LP turbine).
The bypass ratio is the amount going around the core, divided by the amount going through the core.
So basically a high bypass engine has about 5 times as much going around the core as through it, and a low bypass engine about twice as much around as through.
G
Bypass engines (most of them nowadays, probably all in current production) take air through the LP compressor and pass a portion (the bypass) around the core, and a normally rather smaller proportion through the core (combustion chamber, HP turbine, then LP turbine).
The bypass ratio is the amount going around the core, divided by the amount going through the core.
So basically a high bypass engine has about 5 times as much going around the core as through it, and a low bypass engine about twice as much around as through.
G