Research Article

Analysis of Wetting Characteristics on Microstructured Hydrophobic Surfaces for the Passive Containment Cooling System

Table 1

The characteristics of prepared grooved surface: width , spacing , roughness factor , apparent CAs in the Wenzel model , fraction , apparent CAs in the Cassie-Baxter model , and the measurement results of CAs (μm).

(μm) (μm) (°) (°) (°)

40401.1366.80.5109.0132.0
60601.0867.70.5109.0130.0
90901.0668.30.5109.0126.5
1201201.0468.60.5109.0126.0
1501501.0368.80.5109.0122.0