Condensation Heat Transfer Enhancement on Surfaces with Interlaced Wettability


Condensation heat transfer
interlaced wettability
surface modification.

How to Cite

You-An Lee, Long-Sheng Kuo, Tsung-Wen Su, Chin-Chi Hsu, Ping-Hei Chen. Condensation Heat Transfer Enhancement on Surfaces with Interlaced Wettability. J. Adv. Therm. Sci. Res. [Internet]. 2015 Jan. 15 [cited 2022 May 18];2(1):27-32. Available from:


This study investigated the effect of surfaces with interlaced wettability on steam–air mixture condensation. Experiments were conducted on various types of surface with different modified strip widths. In general, surfaces exhibiting high hydrophobic wettability yield a high condensation heat-transfer rate because dropwise condensation is easily formed. However, the experimental results of this study revealed that surfaces with interlaced wettability demonstrated superior condensation heat-transfer performance to those with homogeneous high hydrophobic wettability. Such an observation implies that the configuration of surface modification can enhance condensation heat transfer. In addition, the data indicated an optimal area ratio of modified surfaces to unmodified surfaces.


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