Turbomachinery Maps: centrifugal_pump_40
Turbomachinery performance maps — compressor, turbine, fan, pump, and turbocharger characteristic curves showing efficiency, pressure ratio, head coefficient, and surge/choke boundaries at various speeds and flow rates
| machine speed | flow pct | flow coefficient | is choke point | is surge point | isentropic efficiency pct (%) | machine type | notes | speed pct (%) |
|---|---|---|---|---|---|---|---|---|
| centrifugal_pump_40 | 100 | 0.08 | false | false | 67 | centrifugal_pump | Design flow at 40% speed; absolute minimum operating speed for most centrifugal pump applications | 40 |
| centrifugal_pump_40 | 30 | 0.024 | false | false | 57.5 | centrifugal_pump | Very low flow pump 40% speed; head = 0.16*rated; borderline minimum speed for many system curves | 40 |
| centrifugal_pump_40 | 40 | 0.032 | false | false | 63 | centrifugal_pump | Low flow pump 40% speed; efficiency substantially reduced from rated; Re very low; disk friction dominant | 40 |
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