Definitions for cavitationˌkæv ɪˈteɪ ʃən
This page provides all possible meanings and translations of the word cavitation
Random House Webster's College Dictionary
cav•i•ta•tionˌkæv ɪˈteɪ ʃən(n.)
the rapid formation and collapse of vapor pockets in a flowing liquid in regions of very low pressure, often causing structural damage to propellers, pumps, etc.
the formation of cavities, esp in a part of the body.
Origin of cavitation:
1890–95; cavit (y ) + -ation
cav′i•tate`(v.t.; v.i.)-tat•ed, -tat•ing.
The formation of pits on a surface.
The formation, in a fluid, of vapor bubbles that rapidly collapse; especially in a rotating marine propeller or pump impeller.
The formation of cavities in an organ, especially in lung tissue as a result of tuberculosis.
Cavitation is the formation and then immediate implosion of cavities in a liquid – i.e. small liquid-free zones – that are the consequence of forces acting upon the liquid. It usually occurs when a liquid is subjected to rapid changes of pressure that cause the formation of cavities where the pressure is relatively low. Cavitation is a significant cause of wear in some engineering contexts. When entering high pressure areas, cavitation bubbles that implode on a metal surface cause cyclic stress through repeated implosion. This results in surface fatigue of the metal causing a type of wear also called "cavitation". The most common examples of this kind of wear are pump impellers and bends when a sudden change in the direction of liquid occurs. Cavitation is usually divided into two classes of behavior: inertial cavitation and non-inertial cavitation. Inertial cavitation is the process where a void or bubble in a liquid rapidly collapses, producing a shock wave. Inertial cavitation occurs in nature in the strikes of mantis shrimps and pistol shrimps, as well as in the vascular tissues of plants. In man-made objects, it can occur in control valves, pumps, propellers and impellers.
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