Table 1. Useful parameters.
| Liquids (E) | γLVsinθ/E (μm) | Exp. uz(0) (μm) | ε* (μm) | le (μm) | ΔPL (kPa) | F(ΔPL)† (N m−1) |
|---|---|---|---|---|---|---|
| Water (3 kPa) | 7.6 | 8.3 | 14.5 | 13 | 0.137 | 6.3E−3 |
| Water (16 kPa) | 1.4 | 4.6 | 2.7 | 2.5 | 0.137 | 1.7E−3 |
| EG 40% (3 kPa) | 6.4 | 7.4 | 12.3 | 10 | 0.116 | 4.7E−3 |
E, elasticity; EG 40%, 40% ethylene glycol aqua solution; uz, vertical surface displacement; γLV, interfacial tension of liquid–vapour; ε, cutoff distance.
Starting from the left side of the table, the order of ridge height, the measured ridge height, the cutoff length scale, the elasto-capillary length scale, the Laplace pressure and the Laplace pressure term in equation (12) of ref. 11.
*ε were calculated from equation (5) in ref. 10.
†
from equation (12) in ref. 11.