Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

hydraulic designs
designing models so that the result can be converted to prototypes
comparing two identical equipments
comparing similarity between design and actual equipment

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Hydraulics and Fluid Mechanics in ME
Two dimensional flows occurs when

The velocity of successive fluid particles, at any point, is the same at successive periods of time
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
The magnitude and direction of the velocity do not change from point to point in the fluid
The direction and magnitude of the velocity at all points are identical

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