单词 | turbofan |
释义 | turbofan[ tur-boh-fan ] / ˈtɜr boʊˌfæn / SEE SYNONYMS FOR turbofan ON THESAURUS.COM nouna jet engine having a large impeller that takes in air, part of which is used in combustion of fuel, the remainder being mixed with the products of combustion to form a low-velocity exhaust jet. Also called turbofan engine. Origin of turbofanFirst recorded in 1940–45; turbo- + fan1 Words nearby turbofanturbo, turbocar, turbocharge, turbocharger, turbo-electric, turbofan, turbogenerator, turbojet, turbojet engine, turboprop, turbo-propeller engine Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for turbofanturbofan / (ˈtɜːbəʊˌfæn) / nounAlso called: high bypass ratio engine 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 an aircraft driven by one or more turbofans the ducted fan in such an engine Also called (for senses 1, 2): fanjet Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for turbofanturbofan [ tûr′bō-făn′ ] A type of gas turbine in which the fan driving air into a turbojet also forces additional air around the outside of the turbine, combining it with the exhaust of the turbojet to provide thrust. Turbofans are quieter than simple turbojets and somewhat more fuel efficient, and are widely used in commercial aircraft. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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