propulsive jet engine
1jet 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… …
2Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …
3Airbreathing 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 …
4jet engine — noun a) an engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle b) any engine propelled by e …
5jet engine — /dʒɛt ˈɛndʒən/ (say jet enjuhn) noun any engine in which a jet, especially of gaseous combustion products, provides the propulsive force …
6Propulsive efficiency — In aircraft and rocket design, overall propulsive efficiency eta is the efficiency, in percent, with which the energy contained in a vehicle s propellant is converted into useful energy, to replace losses due to air drag, or gravity, or to… …
7engine efficiency — The ratio of the propulsive power developed to the fuel power consumed. Specific fuel consumption (SFC) is one of the measures of engine efficiency. Propulsive efficiency of various types of jet engines …
8Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
9Timeline of jet power — This article outlines some of the important developments in the early history of the development of the jet engine. Although the most common type, the gas turbine powered jet engine, was certainly a 20th century invention, many of the needed… …
10gas-turbine engine — Introduction any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …
