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q = q_{in} = \frac{\dot m}{\rho(p_{in})} = frac{M(p_{\rm out}, p_{\rm in})}{\rho(p_{in})} |
where
| fluid density as a function of fluid pressure |
The electrical power consumption
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| body | --uriencoded--\displaystyle W = \frac%7BdE%7D%7Bdt%7D |
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is given by:
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The plunger pump and centrifugal pumps are can be normally adjusted by the variation of working frequency which affects the maximum pump flowrate as:
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q_{\rm max} = q^*_{\rm max} \cdot \frac{f}{f^*} |
where
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| body | --uriencoded--q_%7B\rm max%7D |
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| maximum intake flowrate at the working frequency | | adjusted working frequency |
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| body | --uriencoded--q%5e*_%7B\rm max%7D |
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| maximum intake flowrate at the nominal frequency | | nominal frequency |
See also
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Natural Science / Engineering / Device / Pump
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