Hydraulics and Fluid Mechanics in ME
In an outward flow reaction turbine

The water flows parallel to the axis of the wheel
The water enters the wheel at the outer periphery and then flows towards the centre of the wheel
The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
The flow of water is partly radial and partly axial

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

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

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