when liquid medium through some of the valve
channel is opening ,Or the speed inlarege scope and after closed
, static pressure decrease, then maybe it achieve liquid vaporization
pressure.in low-pressure liquid began gasification,and produce
inflatable cavitation,form small bubbles and adsorption liquid
impurities. when the bubble is take to static pressure higher
area by fluid flow ,m.ay appear bubbles burst or blasting.We usually
take this phenomenon is cavitation.
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