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Effects of the surface anisotropy on the residence time. (a) tc on the flat and a2.0 surfaces under various e at We = 24. (b) tc of the drops with e = ±0.45 and spherical drops (inset) on a2.0 surfaces as a function of b under several We. The lines’ color and symbol correspond to We = 14 (green), 24 (red), and 34 (blue). The e− drops have peak values of tc around b = 1.2.
