It extends the the PumpBase model. The following parameters are defined:
- n0: The nominal rotational speed
- q0: The nomimal volumetric flow at the nominal rotational speed
- r: The fixed efficiency. The equation Efficiency=r is applied.
- qLeak: The pump expected volumetric leak at pLeak differential pressure.
- pLeak: The differential pressure at which the qLeak is induced.
The variable Qleak is defined, with the equation for its calculation: Qleak= qLeak*Pdiff/pLeak. So the leak is proportional to the differential pressure, in both directions.
Finally the equation Qunit=q0*N/n0-Qleak is applied. You can reverse the flow of the pump by giving a negative value to the rotational speed.
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.FreeFluids.Pumps.PositivePump