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

bearing cage

Aviation; Aeronautics

A thin sheet metal separator that keeps the rollers or balls in an antifriction bearing evenly spaced around the races. The bearing cage should never touch either of the bearing races.

A thin sheet metal shroud that wraps around the exhaust stack or the muffler of a reciprocating engine to pick up heat. Ventilating air blows through the muff and carries the heat it picks up into ...

veneer

Aviation; Aeronautics

A thin sheet of wood “peeled” from a log with a knife held against the log as it is rotated in the cutter. Veneer is used for making plywood. Several sheets of veneer are glued together, with the ...

quartz crystal

Aviation; Aeronautics

A thin slab of quartz, used to control the frequency of an electronic oscillator. A quartz crystal vibrates at its natural resonant frequency when it is excited with a pulse of electrical energy. As ...

wafer

Aviation; Aeronautics

A thin slice of silicon or germanium used as the substrate on which the components of an integrated circuit chip are formed. A wafer is also called a slice.

piezoelectric crystal

Aviation; Aeronautics

A thin square of quartz or Rochelle salt that has the characteristic of producing a voltage across its opposite faces when it is physically distorted. The physical resonant frequency of the crystal ...

electron beam

Aviation; Aeronautics

A thin stream of electrons all moving in the same direction under the influence of electrical or magnetic fields. Electron beams may be focused and directed by these fields. When an electron beam ...