The most general Pump model is given as (see Fig. 1)a function of volumetric flowrate of the intake
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| body | --uriencoded--p_%7B\rm in%7D |
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and discharge pressure | LaTeX Math Inline |
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| body | --uriencoded--p_%7B\rm out%7D |
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:
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q = q(p_{\rm out}, p_{\rm in}) |
where
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| body | --uriencoded--F(q, p_%7B\rm in%7D) |
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is called pump characteristic curve.x
The power consumpotion is given by:
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In most practical cases pump characteristic curve has negligible dependence on intake cases the pump model
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depends on the diffference between intake and discharge pressure
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| body | --uriencoded--p_%7B\rm out%7D - p_%7B\rm in%7D |
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: and called pump characteristic curve (see Fig. 1):| LaTeX Math Block |
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p_{\rm out} q = q(p_{\rm inout} + \delta- p_{\rm max} \cdot \cdot F(q/q_{\rm max}) |
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The pump characteristic curve
can be usually approximated by the following equation:
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