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Chemical Process Technology

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Friday, April 25, 2008

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Many of fresh engineer from school or those have not got chance to commission, start-up and operate a plant, you may aware of pump cavitation but have no idea how pump cavitation looks and sound like.

What's Cavitation ?
Cavitation is the formation and collapse of vapor bubbles in a liquid. Bubble formation occurs at a point where the fluid operating pressure is lower than fluid vapor pressure, and bubble collapse or implosion occurs at a point where the pressure is increased to the vapor pressure.

Pump Cavitation Sound like...
The following is a video clip showing a centrifugal pump running with pump caviation. You may hear how the sound like when a pump is experiencing cavitation. Whenever you heard similar kind of sound "Ke-tuk-Ke-tuk..." in your pump, you may take action on it...

Pump Cavitation Lookslike...
The following two videos basically let you view cavitation occur at impeller.

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posted by Webworm, 2:47 PM


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