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

Inductive kick

Aviation; Aeronautics

A pulse of high voltage produced across a coil when current flowing through it is interrupted. When direct current flows through a coil, a magnetic field surrounds each turn of wire, and this ...

Ammonia

Aviation; Aeronautics

A pungent, invisible gas made up of one atom of nitrogen and three atoms of hydrogen (NH3). Ammonia becomes a liquid at -28°F and freezes at -107.6°F. Ammonia is used to case harden steel by the ...

A pump in a dry sump lubrication system that picks up the oil after it passes through the engine and returns it to the oil tank. Scavenger pumps have a larger capacity than pressure pumps, because ...

Constant-displacement pump

Aviation; Aeronautics

A pump that moves a constant volume of fluid with each rotation. Gear pumps, gerotor pumps, vane pumps, and some types of piston pumps are constant-displacement pumps. Some form of pressure regulator ...

Auxiliary hydraulic pump

Aviation; Aeronautics

A pump used as an alternate source of hydraulic pressure for an emergency or to produce hydraulic pressure when the aircraft engines are not operating.

Clock

Aviation; Aeronautics

A pulse generator in a piece of electronic equipment used to synchronise the timing of switching circuits. In a digital computer, the clock determines the speed of the CPU.

Nondimensional number

Aviation; Aeronautics

A pure number which has no dimensional value assigned to it. Ratios, such as Mach numbers and Reynolds numbers, are examples of nondimensional numbers.