Figures & data
Figure 2. Experimental apparatus for observation of the frosting process on the sample surface. 1. PC (acquisition system); 2. temperature controller; 3. DC power; 4. climate chamber; 5. microscopic observation device; 6. microscope with a CCD camera; 7. sample; 8. cooling state; 9. copper plater with 3M thermally conductive tape.
![Figure 2. Experimental apparatus for observation of the frosting process on the sample surface. 1. PC (acquisition system); 2. temperature controller; 3. DC power; 4. climate chamber; 5. microscopic observation device; 6. microscope with a CCD camera; 7. sample; 8. cooling state; 9. copper plater with 3M thermally conductive tape.](/cms/asset/cda87bea-5857-47e4-aec9-6cd7697469c1/tusc_a_2042990_f0002_oc.jpg)
Figure 8. The contact angle of water droplets on the specimens. (a) contact angle on the wing surface with scales; (b) contact angle on the wing surface without scales.
![Figure 8. The contact angle of water droplets on the specimens. (a) contact angle on the wing surface with scales; (b) contact angle on the wing surface without scales.](/cms/asset/4da01b99-14ee-4175-88c3-88aa6fa8ab64/tusc_a_2042990_f0008_oc.jpg)