期刊
EXPERIMENTAL HEAT TRANSFER
卷 36, 期 6, 页码 808-825出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/08916152.2022.2078440
关键词
Graphene wettability; MD simulation; surface structures; evaporation; heat transfer
The influence of surface structures on the wettability and evaporation of a heated water drop was investigated, revealing that different surface roughness can change the water structure and affect the wettability and evaporation rate. Molecular dynamics modeling showed that the geometric parameters of textures on the copper surface can effectively control the wettability of a graphene coating.
The influence of surface structures on the wettability and evaporation of a heated water drop is investigated both in the presence of a graphene layer and without a graphene coating. Different topology of surface roughness changes the structuring of water near nano-micro textures. The structured wall surface changes both the wettability and the evaporation rate. Molecular dynamics modeling has shown that by changing the geometric parameters of textures on the copper surface, it is possible to effectively control the wettability of a graphene coating. The calculation results correlate with the experimental data on the droplet contact angle.
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