Capillary Rise Height
h = (2·γ·cos(θ)) / (ρ·g·r)
What it says
The height a wetting liquid climbs in a narrow tube, set by the balance between surface tension and the weight of the raised column (Jurin's law); g inlined as 9.80665 m/s^2.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
h | Rise height (m) | L |
γ | Surface tension coefficient (N/m) | M T^-2 |
θ | Contact angle (rad) | 1 |
ρ | Liquid density (kg/m^3) | M L^-3 |
r | Tube radius (m) | L |
Work it out
Enter what you know. No account needed.
Connects to
Filed under Fluid dynamics · derive through it in the explorer