Stokes Drag on Sphere
F_d = 6·π·μ·r·v
What it says
Stokes' law gives the viscous drag force on a small sphere moving slowly through a fluid at low Reynolds number.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
F_d | Drag force (N) | M L T^-2 |
μ | Dynamic viscosity (Pa·s) | M L^-1 T^-1 |
r | Sphere radius (m) | L |
v | Speed (m/s) | L T^-1 |
Work it out
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Connects to
Filed under Fluid dynamics · derive through it in the explorer