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Results tagged with efficiency
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user 2847
Efficiency is the (often measurable) ability to avoid wasting materials, energy, efforts, money, and time in doing something or in producing a desired result. In a more general sense, it is the ability to do things well, successfully, and without waste.
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Why is it inefficient to expel high speed gas?
I'm reading the wikipedia page on turbofans, where it says turbojets are inefficient at low speeds because:
energy is wasted as the propelling jet is going much faster rearwards than the aircraft is …
- 511