Compressed air
From Wikipedia, the free encyclopedia
Compressed air is air which is kept under a certain pressure, usually greater than that of the atmosphere.
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[edit] Dangers
- A blast of air under 40 p.s.i from 4 inches away can rupture an eardrum or cause brain damage.
- As little as 12 p.s.i can pop an eyeball from its socket.
- Air can enter the navel, even through a layer of clothing, and inflate and rupture the intestines.
- Directed at the mouth, compressed air can rupture the lungs.
[edit] Uses
Compressed air can be used in:
- Pneumatics, the use of pressurized gases to do work. This includes compressed air vehicle propulsion and compressed air energy storage.
- scuba diving, to inflate buoyancy devices. See also: Breathing gas
- Compressed air can also be used for cooling using a vortex tube.
- In gas dusters. It is then often called "Canned air", however this is more usually R134a.
- In an air brake (rail) system
- In an air brake (road vehicle) system
- In an air brake (air vehicle) system