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constant volume pump bc udf

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Old   July 29, 2009, 06:58
Default constant volume pump bc udf
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Adam R
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I need to create a boundary that works like a constant volume pump. Meaning at a multiphase outlet a fixed volume flow rate has to be removed (indiscriminate of phase) . I have done this manually using a pressure outlet with a negative gauge pressure but I want a automatic version that reads in the volume flow rate out of the boundary then adjusts the gauge pressure to achieve a pre defined volume flow rate. Has anyone done anything simlar or has an simlar example udf.

Thanks Adam
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