| 释义 |
turbofan Aeronaut.|ˈtɜːbəʊfæn|
Also with hyphen.
[f. turbo- + fan n.1]
a. A fan connected to or driven by a turbine.
b. Used attrib. and absol. to designate a jet engine employing such a fan for additional thrust; = fan-jet (engine) s.v. fan n.1 11.
1911Trans. Inst. Mining Engineers XL. 580 The smaller efficiency of the turbo-fan. 1949Gloss. Aeronaut. Terms (B.S.I.) ii. 17 Ducted-fan turbine engine, turbo-fan, a gas turbine engine in which a portion of the net energy is used to drive a ducted fan. 1959Wall St. Jrnl. 7 July 10/1 The turbofan engine is the latest in the family of jet power plants. 1961[see double-flow s.v. double a. C. 2 a]. 1970Daily Tel. (Colour Suppl.) 13 Nov. 14/4 Large turbofan engines of the Spey type tend to expel ingested objects along the cold fan duct, so that they do not enter the engine core. 1980R. L. Duncan Brimstone x. 261 A cruise missile..propelled by a jet turbofan. |