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. 2020 Jan 22;10:935. doi: 10.1038/s41598-020-57410-2

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 (°) θc (°)
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