Specific Speed in Power Plant Operations Formulas

Specific Speed of a geometrically similar turbine which would produce unit power (one kilowatt) under unit head (one meter) to the point of maximum efficiency. And is denoted by N_S. Specific Speed is usually measured using the Revolution per Minute for Angular Velocity. Note that the value of Specific Speed is always negative.

Formulas to find Specific Speed in Power Plant Operations

fxSpecific Speed of Turbine of Hydroelectric Power PlantGo

List of variables in Power Plant Operations formulas

fx Working Speed Go

fx Hydroelectric Power Go

fx Fall Height Go

FAQ

What is the Specific Speed?

Specific Speed of a geometrically similar turbine which would produce unit power (one kilowatt) under unit head (one meter) to the point of maximum efficiency. Specific Speed is usually measured using the Revolution per Minute for Angular Velocity. Note that the value of Specific Speed is always negative.

Can the Specific Speed be negative?

Yes, the Specific Speed, measured in Angular Velocity can be negative.

What unit is used to measure Specific Speed?

Specific Speed is usually measured using the Revolution per Minute[rev/min] for Angular Velocity. Radian per Second[rev/min], Radian per Day[rev/min], Radian per Hour[rev/min] are the few other units in which Specific Speed can be measured.

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