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SVT Shelby GT500
GT500 IC/HE Pump Comparison
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<blockquote data-quote="CCS86" data-source="post: 16468171" data-attributes="member: 140595"><p>Cavitation is a result of sharp enough change in direction, with fast enough flow rate, or inadequate flow on the inlet side of the pump, so that the water pressure drops enough to phase change into vapor. It can be very damaging to impeller blades if that's where it is occurring. This water vapor will turn straight back into water once the pressure increases only a moment later. It is a transient effect.</p><p></p><p>But that is a very different phenomenon than turbulence in the degas tank, introducing air bubbles through mixing. These bubbles will stay in the system, potentially getting chopped up finer and finer by the pump. This can have a huge impact on system performance, especially with an additive like water wetter that can contribute to foaming.</p><p></p><p>I'm a huge fan of running a degas bypass. If you aren't flowing enough to see turbulence in your degas tank, necessitating a bypass, then you definitely need more pump!</p><p></p><p>Sent from my Pixel 4 using Tapatalk</p></blockquote><p></p>
[QUOTE="CCS86, post: 16468171, member: 140595"] Cavitation is a result of sharp enough change in direction, with fast enough flow rate, or inadequate flow on the inlet side of the pump, so that the water pressure drops enough to phase change into vapor. It can be very damaging to impeller blades if that's where it is occurring. This water vapor will turn straight back into water once the pressure increases only a moment later. It is a transient effect. But that is a very different phenomenon than turbulence in the degas tank, introducing air bubbles through mixing. These bubbles will stay in the system, potentially getting chopped up finer and finer by the pump. This can have a huge impact on system performance, especially with an additive like water wetter that can contribute to foaming. I'm a huge fan of running a degas bypass. If you aren't flowing enough to see turbulence in your degas tank, necessitating a bypass, then you definitely need more pump! Sent from my Pixel 4 using Tapatalk [/QUOTE]
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GT500 IC/HE Pump Comparison
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