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→Settling Velocity of Particulates
====Stoke's Law for settling solids====
====Stoke's Law for settling solids====
Stoke's Law measures solids settling in stormwater features and is applicable to fines, clay, silt, and sand in water. <br>
Stoke's Law measures solids settling in stormwater features and is applicable to fines, clay, silt, and sand in water. <br>
====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>====
====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>====
Ferguson & Church's calculation
<math>V = \frac{gRd^2}{18v + (0.75CgRd^3)^\frac{1}{2}}</math>
<math>V = \frac{gRd^2}{18v + (0.75CgRd^3)^\frac{1}{2}}</math>