Stokes' Law
Stokes' law, abbreviated as St, is the force that is put on a small sphere, slowing down the movement through a viscous fluid.
Stokes' law formula |
||
\(\large{ F = 6 \; \pi \; r \; n \; v }\) | ||
Symbol | English | Metric |
\(\large{ F }\) = force | \(\large{ lbf }\) | \(\large{N}\) |
\(\large{ \pi }\) = Pi | \(\large{3.141 592 653 ...}\) | |
\(\large{ r }\) = radius of sphere | \(\large{ ft }\) | \(\large{ m }\) |
\(\large{ v }\) = velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |
\(\large{ n }\) = viscosity | \(\large{\frac{lbf-sec}{ft^2}}\) | \(\large{\frac{m}{s}}\) |