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→Settling Velocity of Particulates
===Settling Velocity of Particulates===
===Settling Velocity of Particulates===
<math>V = \frac{gRd^2}{18v + (0.75CgRd^3)^\frac{1}{2}}</math>
====Stoke's Law for settling solids====
<math>V = \left( \frac {g\left( \frac {p_1}{p} -1 \right)\ d^2}{18v} \right)</math>
{{plainlist|1=Where
{{plainlist|1=Where
* ''V'' = settling velocity of particles (m/s)
* ''V'' = settling velocity of particles (m/s)
* ''g'' = gravitational acceleration constant (9.81 m/s<sup>2</sup>)
* ''g'' = gravitational acceleration constant (9.81 m/s<sup>2</sup>)
* ''d'' = diameter of the solid (spherical) (µm)
* ''d'' = diameter of the solid (spherical) (m)
* ''v'' = kinematic viscosity of water (1 mm<sup>2</sup>/s)
* ''ρ<sub>1</sub>'' = mass density of solid (kg/m<sup>3</sup>)
* ''R'' = Specific gravity for solid in question (i.e. 1.58kg/cm<sup>3</sup> for sand)
* ''ρ'': mass density of water (1000 kg/m<sup>3</sup>
* ''C'' = Typical constant for spherical solids (0.4) and (1.0) for sand grains}}
* ''v'': kinematic viscosity of water at (1 mm<sup>2</sup>/s)}}
====Ferguson & Church (2004)<ref>Ferguson, R.I. and Church, M. 2004. A simple universal equation for grain settling velocity. Journal of sedimentary Research, 74(6), pp.933-937. for settling solids. http://geoweb.uwyo.edu/geol5330/FergusonChurch_GrainSettling_JSR04.pdf</ref>====
<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
* ''V'' = settling velocity of particles (m/s)
* ''V'' = settling velocity of particles (m/s)
* ''g'' = gravitational acceleration constant (9.81 m/s<sup>2</sup>)
* ''g'' = gravitational acceleration constant (9.81 m/s<sup>2</sup>)
* ''d'' = diameter of the solid (spherical) (m)
* ''d'' = diameter of the solid (spherical) (µm)
* ''ρ<sub>1</sub>'' = mass density of solid (kg/m<sup>3</sup>)
* ''v'' = kinematic viscosity of water (1 mm<sup>2</sup>/s)
* ''ρ'': mass density of water (1000 kg/m<sup>3</sup>
* ''R'' = Specific gravity for solid in question (i.e. 1.58kg/cm<sup>3</sup> for sand)
* ''v'': kinematic viscosity of water at (1 mm<sup>2</sup>/s)}}
* ''C'' = Typical constant for spherical solids (0.4) and (1.0) for sand grains}}
===Excess flow control===
===Excess flow control===