ducted propeller

См. также в других словарях:

• Ducted propeller — Kort nozzle A ducted propeller is a propeller fitted with a non rotating nozzle. It is used to improve the efficiency of the propeller and are especially used on heavily loaded propellers or propellers with limited diameter. It was developed by… …   Wikipedia

• 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

• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   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 fan — noun A propeller which is housed inside a duct to improve engine performance of aircraft …   Wiktionary

• duct|ed propeller — 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

• Mississippi State University XAZ-1 Marvelette — XAZ 1 Marvelette Role Experimental aircraft National origin United States of America …   Wikipedia

• Mississippi State University XV-11 Marvel — XV 11 Marvel Role STOL research aircraft National origin United States of America Manufacturer …   Wikipedia

• Piasecki X-49 — Infobox Aircraft name= X 49 Speedhawk caption= X 49A Speedhawk VTDP Technology Demonstrator in flight type = Experimental high speed compound helicopter manufacturer = Sikorsky (original airframe) Piasecki Aircraft (modifications and testing)… …   Wikipedia

• Cessna XMC — Model 1014 1034 Role Technology demonstrator National origin USA Manufacturer Cessna First flight 22 January 1971 Number built One The Cessna XMC was a prototype technology demonstrator designed to show advanced aerodyna …   Wikipedia

• Kort nozzle — The Kort nozzle is a shrouded, ducted propeller assembly for marine propulsion. The hydrodynamic design of the shroud, which is shaped like a foil, offers advantages for certain conditions over bare propellers.Kort nozzles or ducted propellers… …   Wikipedia