Specific Speed of Centrifugal Pump in Centrifugal Pumps Formulas

The Specific Speed of Centrifugal Pump is defined as the speed of a geometrically similar pump that would deliver one cubic meter of liquid per second against a head of one meter. And is denoted by N_s. Specific Speed of Centrifugal Pump is usually measured using the Radian per Second for Angular Velocity. Note that the value of Specific Speed of Centrifugal Pump is always positive.

Formulas to find Specific Speed of Centrifugal Pump in Centrifugal Pumps

fxSpecific Speed of PumpGo

Centrifugal Pumps formulas that make use of Specific Speed of Centrifugal Pump

fxAngular Speed given Specific Speed of PumpGo

fxDischarge of pump given specific speedGo

fxHead of Pump given Specific SpeedGo

List of variables in Centrifugal Pumps formulas

fx Angular Velocity Go

fx Actual Discharge at Centrifugal Pump Outlet Go

fx Manometric Head of Centrifugal Pump Go

FAQ

What is the Specific Speed of Centrifugal Pump?

The Specific Speed of Centrifugal Pump is defined as the speed of a geometrically similar pump that would deliver one cubic meter of liquid per second against a head of one meter. Specific Speed of Centrifugal Pump is usually measured using the Radian per Second for Angular Velocity. Note that the value of Specific Speed of Centrifugal Pump is always positive.

Can the Specific Speed of Centrifugal Pump be negative?

No, the Specific Speed of Centrifugal Pump, measured in Angular Velocity cannot be negative.

What unit is used to measure Specific Speed of Centrifugal Pump?

Specific Speed of Centrifugal Pump is usually measured using the Radian per Second[rad/s] for Angular Velocity. Radian per Day[rad/s], Radian per Hour[rad/s], Radian per Minute[rad/s] are the few other units in which Specific Speed of Centrifugal Pump can be measured.

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