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Got itCavitation is a phenomenon where a liquid, usually water, is subjected to a force, normally by a propeller of a ship, that causes some small areas in the water to be subject to virtually no force, which results in a phase change where water vaporizes to form essentially cold steam. These bubbles then leave a wake, and their implosion can sometimes damage the propellers. It is a widespread misconception that the visibly frothy wake made by a ship’s propellers consists of air. A faulty foundation for this misconception is an inability to realize that both atmospheric pressure and temperature factors are what determine phase changes. The vacuum pump and chamber will allow students to experiment with various temperatures and pressures of water to determine how both factors determine phase change.
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Cavitation is a phenomenon where a liquid, usually water, is subjected to a force, normally by a propeller of a ship, that causes some small areas in the water to be subject to virtually no force, which results in a phase change where water vaporizes to form essentially cold steam. These bubbles then leave a wake, and their implosion can sometimes damage the propellers. It is a widespread misconception that the visibly frothy wake made by a ship’s propellers consists of air. A faulty foundation for this misconception is an inability to realize that both atmospheric pressure and temperature factors are what determine phase changes. The vacuum pump and chamber will allow students to experiment with various temperatures and pressures of water to determine how both factors determine phase change.
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