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

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
Kinetic energy plotted above the free surface of water

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

highest intensity of pressure occurs around the circumference at right angles to flow
lowest pressure intensity occurs at rear stagnation point
total drag is zero
lowest pressure intensity occurs at front stagnation point

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