The sudden formation and collapse of bubbles in liquids by means of mechanical forces creating low pressure.
a situation when the propeller gets air or insufficient bite in the water and loses its power. Can happen due to motor mounted too high, seas conditions and tight turns.
The vaporization of a liquid under the suction force of a pump which can create voids within the pump supply line. Cavitation will result in off-ratio foam in Sprayed Polyurethane Foam applications.