Stokes Drag
F = 6·π·eta_v·r·v
What it says
The drag on a small sphere moving slowly through a viscous fluid.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
F | Drag force (N) | M L T^-2 |
eta_v | Dynamic viscosity (Pa·s) | M L^-1 T^-1 |
r | Sphere radius (m) | L |
v | Speed (m/s) | L T^-1 |
Work it out
Enter what you know. No account needed.
Fill in all but one: eta_v, r, v, F are all empty.
Filed under Fluid dynamics · derive through it in the explorer