Fig. 1. Schematic diagram of (a) micro-rectangular-groove surface and (b) the SEM images of the tested surface.微矩形凹槽结构示意图(a)及实际被测表面的SEM图(b)

Fig. 2. Anisotropic wetting behavior on micro-rectangular-groove surface.微矩形凹槽表面各向异性浸润行为

Fig. 3. (a) Schematic diagram of experimental tool; (b) the description of surface anisotropic wetting contact angle.(a)实验测试装置示意图; (b)表面各向异性接触角表征

Fig. 4. Contact angle of smooth silicon surface.光滑硅片表面接触角

Fig. 5. Influences of the groove width (a) and ridge width (b) of micro-rectangular-groove on the surface wetting behavior.(a)微矩形凹槽宽度和(b)肋板宽度对液滴浸润行为的影响

Fig. 6. Influences of solid fraction on surface anisotropic contact angle.微结构表面固体面积比对接触角的影响

Fig. 7. Influences of solid fraction on the ratio of θ_⊥/θ_// and droplet deformation ratio L/W. 微结构表面液滴接触角各向异性和变形比变化规律

Fig. 8. Experimental results (a)−(e) and schematic diagrams (f) and (g) of droplet moving processes on 9^# micro-rectangular groove surface. 9^#微结构表面液滴前进过程的实验结果(a)−(e)及示意图(f)和(g)