Hydraulics and Fluid Mechanics in ME
The specific speed of turbine is defined as the speed of a unit

Of such a size that it delivers unit discharge at unit power
Of such a size that it delivers unit discharge at unit head
Of such a size that it requires unit power per unit head
Of such a size that it produces unit horse power with unit head

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Hydraulics and Fluid Mechanics in ME
In open channels, the specific energy is the

Kinetic energy plotted above the free surface of water
Total energy per unit discharge
Total energy measured above the horizontal datum
Total energy measured with respect to the datum passing through the bottom of the channel

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