high-bypass turbofan

A turbofan engine with a bypass ratio of 4:1 or higher (i.e., four or more times as much air flows across the fan as across the core engine).

Aviation dictionary. 2014.

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  • Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …   Wikipedia

  • Bypass ratio — The term bypass ratio (BPR) relates to the design of turbofan engines, commonly used in aviation. It is defined as the ratio between the mass flow rate of air drawn in by the fan but bypassing the engine core to the mass flow rate passing through …   Wikipedia

  • Turbofán — Esquema de funcionamiento de un turbofán de alto índice de derivación. Los motores de aviación tipo turbofán (adaptación del término en inglés turbofan al español, se puede traducir como turbosoplante o turboventilador)[1] son una generación de …   Wikipedia Español

  • Bypass duct — A bypass duct is an annular passage that allows some of a turbofan s airflow to bypass the engine core, or gas generator. If the turbofan is unmixed, the bypass duct will terminate at the bypass nozzle. In mixed turbofans, the bypass duct leads… …   Wikipedia

  • Rolls-Royce Tay (turbofan) — The Rolls Royce RB.183 Tay is a turbofan engine, developed from the RB.163 Spey, using scaled down low pressure components from the RB.211 to produce versions with a bypass ratio of 3.1:1 or greater. The engine was first run in August 1984.… …   Wikipedia

  • jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …   Universalium

  • Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …   Wikipedia

  • CFM International CFM56 — CFM56 …   Wikipedia

  • Airbreathing jet engine — An airbreathing jet engine (or ducted jet engine) is a jet engine propelled by a jet of hot exhaust gases formed from air that is drawn into the engine via an inlet duct. All practical airbreathing jet engines are internal combustion engines that …   Wikipedia

  • General Electric CF6 — The General Electric TF39 and CF6 are a family of high bypass turbofan engines. Originally developed as the TF39 to power the C 5 Galaxy, they were the first high power high bypass jet engines available, and went on to power a wide variety of… …   Wikipedia

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