4 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
scavenge oil system
Aviation; Jet engines
Method of returning oil from the engine to the oil tank for cooling and reuse.
scavenger pumps
Aviation; Jet engines
Those that drain oil from the sumps at various parts of the engine, return it through the oil cooler, and back to the oil tank.
scoring
Aviation; Jet engines
Multiple scratches, usually parallel and resulting from the same cause.
secondary air
Aviation; Jet engines
Large surplus of air that cools the hot sections of a gas turbine engine to lower temperatures.
shaft horsepower (SHP)
Aviation; Jet engines
Energy used to drive the compressor and accessories in a turbine engine.
shroud
Aviation; Jet engines
Device used with turbine rotor to prevent blade tip losses and excessive vibrations. The shrouded blades can be thinner than unprotected ones.
