Centrifugal fans speed, Static pressure and Power consumption calculator

 

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Centrifugal Fan Affinity Laws Calculator

www.powerplantandcalculations.com

Select Value to Calculate Required Air Flow Q₂ Required Static Pressure SP₂ Required Power kW₂ Required Fan Speed N₂

Reference / Existing Operating Condition

Air Flow Q₁ (m³/sec)

Static Pressure SP₁ (mmWC)

Power Consumption kW₁ (kW)

Fan Speed N₁ (RPM)

New / Required Operating Condition

Air Flow Q₂ (m³/sec)

Static Pressure SP₂ (mmWC)

Power Consumption kW₂ (kW)

Fan Speed N₂ (RPM)

Calculated Result

Enter values and click Calculate

This calculator is based on centrifugal fan affinity laws. Select the unknown value and enter all remaining required values. The calculator will automatically calculate the selected unknown value.

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