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pump head gain

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Old   March 18, 2008, 06:06
Default pump head gain
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ranjith
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i am simulating a centrifugal pump.My experimental head gain is 500 mm Hg at 2800 rpm but the simulated head gain is 150 mm Hg. I am using static rotor at the interfaces and k epsilon as the turbulence model. I have total pressure at the inlet and mass flow rate at oulet(5 lpm). any suggestions....
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