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. 2014 Nov 13;4:7029. doi: 10.1038/srep07029

Figure 3. Plots of the horizontal restitution coefficient (εx) as a function of We for droplets impacting on hydrophilic arcs on a superhydrophobic background: (a) linear and (b) semi-log scales.

Figure 3

In (a), the fitted curve has the following form: εx = C1We−0.25 + C2 (C1 and C2 are fitting constants). In (b), the slope of the dashed line is −0.25.