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1. A turbojet engine in which a fan supplements the total thrust by forcing air directly into the hot turbine exhaust.
2. An aircraft in which a turbofan is used. In both senses also called fanjet.


1. (Aeronautics) Also 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
2. (Aeronautics) an aircraft driven by one or more turbofans
3. (Aeronautics) the ducted fan in such an engine
Also called (for senses 1, 2): fanjet


or fan′ jet`,

1. Also called turbofan. a jet engine having a large impeller that takes in air for use partly for the combustion of fuel and partly as exhaust.
2. an airplane having such engines.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.turbofan - an airplane propelled by a fanjet engine
fanjet engine, turbofan engine, turbojet engine, turbojet, turbofan, fanjet, fan-jet - a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
jet, jet plane, jet-propelled plane - an airplane powered by one or more jet engines
2.turbofan - a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrustturbofan - a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
afterburner - a device injects fuel into a hot exhaust for extra thrust
fanjet, fan-jet, turbofan, turbojet - an airplane propelled by a fanjet engine
gas turbine - turbine that converts the chemical energy of a liquid fuel into mechanical energy by internal combustion; gaseous products of the fuel (which is burned in compressed air) are expanded through a turbine
jet engine - a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
propjet, turboprop, turbo-propeller plane - an airplane with an external propeller that is driven by a turbojet engine


[ˈtɜːbəʊfæn] Nturboventilador m
References in periodicals archive ?
In March of 2016, StandardAero was authorized by Honeywell Aerospace as the industry's only independent MRO heavy maintenance provider for the Honeywell HTF7000 family of turbofan engines.
The company said eight carriers are flying 26 geared turbofan engine powered aircraft across the globe.
The next step is to design and manufacture heavy turbojet and turbofan engines which we expect to yield its results in the next two years," General Dehqan said on Tuesday, in a ceremony held to appreciate the designers and manufacturers of the first national aircraft turbojet engine dubbed as Owj.
The thrust of turbofan engine is 80% realizated by the fan that divides the engine airflow into the primary air flow and secondary air flow defined by the bypass ratio.
What differentiates a geared turbofan from a regular turbofan is that the large fan at the front of the engine operates at a lower speed than the turbine that drives it.
Noise reduction is substantial, with the characteristic turbofan whine being replaced by a lower frequency "whoosh".
A geared turbofan uses a reduction gearbox to disconnect the fan from the turbine so that each component can turn at optimum speed.
The results of test flights of an A340 aircraft last year have confirmed that the geared turbofan engine architecture will deliver increased efficiency and significantly lower fuel consumption, emissions and noise.
Swedish industrial group Volvo Group (OMX Stockholm: VOLV A) (OMX Stockholm: VOLV B) said on Monday (14 July) that its subsidiary Volvo Aero has entered into an agreement with aircraft engine manufacturer Pratt & Whitney to join P&W's Geared Turbofan engine programme.
Under the agreement, MTU will share in the design and manufacturing of Pratt & Whitney Canada's 10,000 pound thrust class engine, the 15-17,000 pounds thrust class Geared Turbofan engine for the Mitsubishi Regional Jet, and the 23,000 pound thrust class Geared Turbofan engine for the Bombardier CSeries.
Two separate, interchangeable F-35 engines are under development: the Pratt & Whitney F135 turbofan and the F136 turbofan from the General Electric Rolls-Royce Fighter Engine Team.
GOTEBORG, Sweden -- The PW1100G engine is a part of Pratt & Whitney's Next Generation Product Family of engines which contain geared turbofan technology.