Table 2.
Comparison between measurements and predictions of a free-energy based model, proposed by Patankar22, assuming that the droplet is in Cassie-Baxter state.
| S. No. | Side, a | Thickness | b | b/a | Contact angle | Cassie theory |
|---|---|---|---|---|---|---|
| (μm) | (μm) | (μm) | θ (°) | (°) | ||
| 1 | 50 | 30 | 32.7 | 0.65 | 104.1 | 111.3 |
| 2 | 50 | 20 | 38.5 | 0.77 | 116.7 | 123.1 |
| 3 | 80 | 30 | 62.7 | 0.78 | 115.8 | 124.8 |
| 4 | 80 | 20 | 68.5 | 0.86 | 121.1 | 134.6 |
| 5 | 120 | 30 | 102.7 | 0.86 | 120.4 | 134.6 |
| 6 | 120 | 20 | 108.5 | 0.90 | 126.8 | 142.8 |
| 7 | 50 | 5 | 47.1 | 0.94 | 141.9 | 151.1 |
| 8 | 100 | 10 | 94.2 | 0.94 | 139.8 | 151.1 |
| 9 | 150 | 10 | 144.2 | 0.96 | 144.2 | 156.3 |
| 10 | 100 | 5 | 97.1 | 0.97 | 144.8 | 151.1 |
| 11 | 200 | 10 | 194.2 | 0.97 | 148.6 | 159.5 |
| 12 | 150 | 5 | 147.1 | 0.98 | 147.7 | 163.3 |