Mechanics Of Fluids- Dimensional Analysis And Model Studies: Types of model laws

Types of model laws

The types of model laws are

1.   Reynolds's model laws

2.   Froude's model laws

3.   Euler's model laws

4.   Weber's model laws

5.   Mach's model laws

Application of Froude's model laws

Froude's model laws is applied in

1.Free surface flow such as flow over spillways, weirs, sluices, channels etc

2.Flow of jet from an orifice or nozzle

3.Where waves are likely to be formed on surface

4.Where fluids of different densities flow over one anther

Weber's model laws

When surface tensile forces alone are predominant a model may be taken to be dynamically similar to the prototype when ratio of inertial to the surface tensile forces is the same in the model and prototype.

(We) model = (We) prototype