What is cavitation?

Cavitation

Cavitation is the formation and then immediate implosion of cavities in a liquid – i.e. small liquid-free zones ("bubbles") – 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.

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Some articles on cavitation:

Sonochemistry
... Instead, sonochemistry arises from acoustic cavitation the formation, growth, and implosive collapse of bubbles in a liquid ... in phenomena such as ultrasound, sonication, sonoluminescence, and sonic cavitation ... Upon irradiation with high intensity sound or ultrasound, acoustic cavitation usually occurs ...
Cavitation - Coastal Erosion
... In the last half-decade, coastal erosion in the form of inertial cavitation has been generally accepted ... Vapor pockets in an incoming wave are forced into cracks in the cliff being eroded, then the force of the wave compresses the vapor pockets until the bubble implodes, becoming liquid, giving off various forms of energy that blast apart the rock ...
Arctic Ecology - Adaptations To Conditions - Plants
... Another problem associated with extreme cold is cavitation ... Ring-porous wood is susceptible to cavitation because the large pores that are used for water transport easily freeze ... Cavitation is much less of problem in trees with ring-diffuse wood ...
Buildings At Newcastle University - Organisation - Cavitation Tunnel
... Newcastle University has the second largest cavitation tunnel in the UK ... Founded in 1950, and based in the Marine Science and Technology Department, the Emerson Cavitation Tunnel is used as a test basin for propellers, water turbines, underwater coatings and ...
Artificial Heart Valve - Mechanical Valves - Cavitation
... Cavitation is an event that can lead to MHV failure ... had 46 reported failures in 20,000 implants related to cavitation damage ... Since then, manufacturers have made cavitation testing an essential part of the design verification process ...