ducted fan
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ducted fan — see ↑turbofan under ↑turbo • • • Main Entry: ↑duct … Useful english dictionary
Ducted fan — Bell X 22 on the tarmac A ducted fan is a propulsion arrangement whereby a fan, which is a type of propeller, is mounted within a cylindrical shroud or duct. The duct reduces losses in thrust from the tip vortices of the fan, and varying the… … Wikipedia
ducted-fan engine — An aircraft engine incorporating a fan or propeller enclosed in a duct, especially a jet engine in which an enclosed fan or propellant is used to ingest ambient air to augment the gases of combustion in the jet stream. The air may be taken in at… … Aviation dictionary
ducted — tə̇d adjective Etymology: duct (I) + ed : situated or operating in a duct a ducted fan a ducted radiator … Useful english dictionary
fan-jet — noun 1. an airplane propelled by a fanjet engine • Syn: ↑fanjet, ↑turbofan, ↑turbojet • Hypernyms: ↑jet, ↑jet plane, ↑jet propelled plane • Part Meronyms: ↑ … Useful english dictionary
fan — i. A combination of three or more cameras that provides wide lateral coverage with adequate overlap. See fan camera photography. ii. The rotor in the beginning of a turbofan engine. iii. A propeller, especially when the emphasis is upon its… … Aviation dictionary
Fan coil unit — A fan coil unit (FCU) is a simple device consisting of a heating or cooling coil and fan. It is part of an HVAC system found in residential, commercial, and industrial buildings. Since it does not have any ductwork, a fan coil unit is used to… … Wikipedia
ducted propulsor — A multibladed fan running in a propulsive duct integrated with the engine and the airframe to give efficient and quite low speed propulsion … Aviation dictionary
Centrifugal fan — Figure 1: Components of a centrifugal fan Figure 2: Centrifugal fan … Wikipedia
duct|ed fan — or duct|ed propeller «DUHK tihd», a fan or propeller that turns within a cylinderlike duct which captures air normally thrown aside by the propeller. Ducted fans are used in some aircraft engines and on air cushion vehicles … Useful english dictionary
