Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Powerplant

scavenge subsystem

Aviation; Aircraft maintenance

The subsystem in the lubrication system of a gas turbine engine that collects oil after it has lubricated the bearings and gears and returns it to the oil tank.

thermal shock

Aviation; Aircraft maintenance

The sudden change in engine operating temperature that occurs when engine power is suddenly reduced at the same time the airspeed, thus the cooling, is increased. Thermal shock ...

fiber optics

Aviation; Aircraft maintenance

The technique of transmitting light or images through long, thin, flexible fibers of plastic or glass. Bundles of fibers are used to transmit complete images.

freezing point

Aviation; Aircraft maintenance

The temperature at which solids, such as wax crystals, separate from a hydrocarbon fuel as it is cooled.

total temperature

Aviation; Aircraft maintenance

The temperature of moving fluid that has been stopped from its motion. Total temperature is the sum of static temperature and the temperature rise caused by the ram effect as the ...

exhaust gas temperature (EGT)

Aviation; Aircraft maintenance

The temperature of the gases as they leave the cylinder of a reciprocating engine or the turbine of a gas turbine engine.

turbine inlet temperature (TIT)

Aviation; Aircraft maintenance

The temperature of the gases from the combustion section of a gas turbine engine as they enter the turbine inlet guide vanes or the first stage of the turbine.