Table 3 Apparent contact angles obtained from the different wetting models for initial drop placed on rough surface.
From: Apparent Contact Angle around the Periphery of a Liquid Drop on Roughened Surfaces
Surface | R | Wenzel Model | Cassie-Baxter Model, f = 0.6 | Cassie-Baxter Model, f = 0.9 | Measured Contact Angle (Mean of Samples measured) |
|---|---|---|---|---|---|
1 | 1.13 | 139° | 149° | 141° | 138° |
2 | 1.22 | 145° | 153° | 147° | 142° |
3 | 1.34 | 154° | 160° | 155° | 144° |
