Changes

===Settling Velocity of Particulates===

===Settling Velocity of Particulates===

<math>V = \left( \frac {g\left( \frac {p_1}{p} -1 \right)\ d^2}{18v} \right)</math>

<math>V = \frac{gRd^2}{18v + (0.75CgRd^3)^\frac{1}{2}}</math>

{{plainlist|1=Where

{{plainlist|1=Where

* ''d'' = diameter of the solid (spherical) (µm)

* ''d'' = diameter of the solid (spherical) (µm)

* ''v'' = kinematic viscosity of water (1 mm²/s)}}

* ''v'' = kinematic viscosity of water (1 mm²/s)}}

* ''R'' = Specific gravity for solid in question (i.e. 1.58kg/cm³ for sand)

* ''R'' = Specific gravity for solid in question (i.e. 1.58kg/cm³ for sand)

* ''C'' = Typical constant for spherical solids (0.4) and (1.0) for sand grains}}

* ''C'' = Typical constant for spherical solids (0.4) and (1.0) for sand grains}}