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

photoelectric material

Aviation; Aeronautics

A material that emits electrons when light shines on it. Some of the alkaline metals, such as cesium, lithium, and rubidium, are photoelectric.

A material that melts and flows over the surface of metal being welded. Flux produces an airtight seal which prevents oxygen reaching the surface of the hot metal and forming an oxide film. Oxides on ...

electrical insulator

Aviation; Aeronautics

A material that offers a large amount of opposition to the flow of electrons. Glass, most types of plastic, ceramics, and a vacuum are examples of electrical insulators.

dehydrator

Aviation; Aeronautics

A material that removes some of the moisture from the air inside a component. Some dehydrators use silica gel to absorb the moisture. The silica gel crystals may be colored with an indicator dye that ...

thermal conductor

Aviation; Aeronautics

A material that transfers heat energy by conduction with very little loss. Most metals are good thermal conductors, and such materials as paper, wood, and water are poor thermal conductors, or are ...

soil cement

Aviation; Aeronautics

A material used as a base for roads and airport runways. Soil cement is made by mixing portland cement with soil and water and then compacting the mixture.

ferrite

Aviation; Aeronautics

A material used as a core for many electromagnetic components. Ferrite is made of powdered metal sintered and molded into the proper shape. Sintering is a process in which powdered metal is heated ...