8 Terms
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Jet engines
Engines that propel aircrafts by using discharged gases to produce forward thrust. The thrust is generated by jet propulsion of a rearward discharge of fluid, usually combustion gases, in accordance with Newton's laws of motion.
Industry: Aviation
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Jet engines
acceleration lag
Aviation; Jet engines
In the turbine engine, delay between the time instant power is requested and when power is available. The time it takes the engine to accelerate and give the required power increase.
aerodynamic drag
Aviation; Jet engines
Force which thrust must overcome to move an aircraft forward. Design can lesson aerodynamic drag through streamlining. Drag increases with increased speed.
airbleed actuator
Aviation; Jet engines
Device that operates the interstage bleed system, to improve compressor acceleration characteristics by unloading small amounts of compressed air.
air density
Aviation; Jet engines
Total mass of air per given volume, the weight of a given volume of air. Air is denser at lower altitude, at lower temperature, and lower humidity.
airfoil section
Aviation; Jet engines
Cross section of an airfoil parallel to a specific reference plane.
air-fuel ratio
Aviation; Jet engines
Ideal mixture of 15 parts of air to 1 part of fuel by weight; the mixture to be burned in the combustion chamber.
