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turbofan |
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turbofan
1. a type of by-pass engine in which a large fan driven by a turbine and housed in a short duct forces air rearwards around the exhaust gases in order to increase the propulsive thrust 2. an aircraft driven by one or more turbofans 3. the ducted fan in such an engine turbofan [′tər·bō‚fan] (aerospace engineering) An air-breathing jet engine in which additional propulsive thrust is gained by extending a portion of the compressor or turbine blades outside the inner engine case. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | The geared turbofan engine is said to burn 12% to 15% less fuel than other jet engines and reduce carbon dioxide emissions by 1,500 tons per plane per year. News Facts: * The PW1000G engine uses patented Geared Turbofan technology where a state-of-the-art gear system allows the engine's fan to operate at a different speed than the low-pressure compressor and turbine. Aug 15, 2007 Pratt & Whitney Pratt & Whitney said it has begun testing the fan drive gear system on its Geared Turbofan engine at its new Middletown, Conn. |
Geared Turbofan |
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