Figure 7

Droplet impact behaviours for various doubly re-entrant pillars with an intrinsic contact angle of θY = 105° at (a) 2 ms, (b) 4 ms, (c) 6 ms, (d) 8 ms and (e) 10 ms, V = 0.3 m/s, λc = 1 mm, We = 1.25.

Droplet impact behaviours for various doubly re-entrant pillars with an intrinsic contact angle of θY = 105° at (a) 2 ms, (b) 4 ms, (c) 6 ms, (d) 8 ms and (e) 10 ms, V = 0.3 m/s, λc = 1 mm, We = 1.25.