The most general Pump model is given as (see Fig. 1):
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p_{\rm out}= F(q, p_{\rm in}) |
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In many practical cases it simplifies (see Fig. 1) to
In most practical cases it has a linear dependance on incharge pressure
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p_{\rm out}=p_{\rm in} + ( p_{\rm max} - p_{\rm in}) \cdot F(q/q_{\rm max}) |
where
and .
The pump characteristic curve
can be usually approximated by ...
the following equation:
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F(x)= 1 - (1- x^m)^n , \, m > n |
and usually
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Fig. 1. Pump Characteristic Curve |
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