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Results tagged with turbofan
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user 14683
A type of jet engine which uses two different airflow streams (one passing through the core and another blown past it by a fan) for obtaining thrust.
9
votes
1
answer
2k
views
How does the efficiency of a turbofan compare between take off speeds and optimal conditions?
So my question here is not comparing turbofans vs other engines, but compare how inefficient is a turbofan operating at take off and low speeds compared to that same turbofan in its optimal conditions? …
- 1,099
37
votes
5
answers
21k
views
How does a fan differ from a propeller?
Why is the fan in a turbofan different than a propeller in a small airplane? Why do propellers typically have 2 or 3 blades, but the fan has a lot more? … But if that's true, shouldn't the fan in a turbofan be open (unshrouded), considering the high speeds (higher than a propeller)? …
- 1,099
5
votes
0
answers
234
views
Just how much power (as a percentage) is necessary to drive a compressor in a jet engine? [duplicate]
I'd like to know how much % of the "gross" thrust is used by the turbine to drive the compressor in a typical turbofan. …
- 1,099