Aeronautics

Aeronautics

The branch of science that deals with flight aerodynamics and with the operation of all types of aircraft.

Industry: Aviation

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Aeronautics

Relief map

Aviation; Aeronautics

A three-dimensional map in which mountains and valleys are formed so they show the way the land actually looks.

A turbine or stage of turbines in a gas turbine engine that is not used to drive the compressor in the gas-generator section of the engine. A free turbine may be used to drive the reduction gears for ...

Quick-break fuse

Aviation; Aeronautics

A tubular fuse, used to protect a circuit containing an inductive load. If enough current flows to melt the fuse link, a spring pulls the melted ends apart by a distance great enough to prevent an ...

Power recovery turbine (PRT)

Aviation; Aeronautics

A turbine driven by the exhaust gases from several cylinders of a reciprocating engine. Energy extracted from the exhaust gases by the turbine is coupled, through a fluid clutch, to the engine ...

Velocity turbine

Aviation; Aeronautics

A turbine designed in such a way that it is driven by forces produced by the velocity, rather than the pressure, of the gases flowing through the vanes. Velocity turbines are used on turbocompound ...

Cold-tank lubrication system

Aviation; Aeronautics

A turbine engine lubricating system in which the oil cooler is in the scavenge subsystem. The oil leaves the engine, passes through the cooler, and then goes into the supply tank.

Resonant circuit

Aviation; Aeronautics

A tuned electrical circuit that contains both capacitance and inductance. By adjusting the amount of capacitance or inductance, the circuit can be tuned (its resonant frequency can be changed).