- low-bypass turbofan
- A turbofan having a bypass ratio of less than 2:1. The usual bypass ratio of a low-bypass turbofan is 1:1.
Aviation dictionary. 2014.
low-bypass turbofan
Look at other dictionaries:
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
turbofan engine — A type of gas turbine engine that has a fan or a set of lengthened blades either on a low pressure compressor or a low pressure turbine. The term also applies to a less common arrangement in which the fan is located at the rear of the engine and… … Aviation dictionary
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
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
Supersonic transport — The Concorde supersonic transport had an ogival delta wing, a slender fuselage and four underslung Rolls Royce/Snecma Olympus 593 engines. A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds… … Wikipedia
Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… … Wikipedia
Pratt & Whitney JT8D — The Pratt Whitney JT8D is a low bypass (0.96 to 1) turbofan jet engine, introduced by Pratt Whitney in February 1964 with the inaugural flight of Boeing s 727. It was a modification of the Pratt Whitney J52 turbojet engine, which powered the US… … Wikipedia
