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Old   July 2, 2008, 22:02
Default operating pressure
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I am trying to replicate my lab experiment that is flow over a heated flat plate at a high local reynolds number. In order to prevent pump cavitation I have to pressurize the loop to 25 PSI. When modeling this in Fluent I can set the operating pressure as such, but does that also modify the outlet pressure or do I need to set that as well from the default of zero guage?

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Old   July 3, 2008, 04:47
Default Re: operating pressure
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The outlet pressure will certainly affected by the operating pressure definition. I think no caviation will appear in Flent if you don't turn the caviation model on.
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Old   July 4, 2008, 03:52
Default Re: operating pressure
red lemon
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however absolute pressure will go below the saturation pressure with no cav model. Using the cav model you may also see negative absolute pressure in Fluent.
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