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These students are putting propeller engines back onto aeroplanes to combat climate change | Protolabs Network
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Most commercial aircraft currently in use are powered by turbofan engines, with a small minority powered by propeller engines. The difference between the two is straightforward; a propeller engines' thrust comes from a difference in air pressure between the front and back of its blades, created by the rotational motion, whereas in a turbofan engine fuel is combusted under very high pressure and thrust is created by the exiting gas (as well as the spinning turbofan). The inside of a turboprop engine Propeller engines are a lot more fuel efficient and therefore better for the environment than turbofan engines. So why doesn't everyone use them? The major issues preventing propellers from integrating onto commercial aircraft is the fact that they are not as fast as jet engines, they're quite huge and have high levels of noise pollution. This is where Tomas Sinnige comes in, a PhD student from the Aerospace Engineering faculty at Delft University of Technology. ...
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