期刊
APPLIED SURFACE SCIENCE
卷 394, 期 -, 页码 358-363出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.10.060
关键词
Micropillared hydrophobic surface; Droplets; Solidified time; Vibration
类别
资金
- National Natural Science Foundation of China [51176123, 51306123]
The dynamic behavior of a vibrated droplet on a micropillared hydrophobic surface under low temperature was investigated in this paper. It was observed that solidified time of droplets on the micropillared surface were much larger than on the smooth surface due to the existence of wetting transition at low temperature, without vibration. The solidified time of droplets was longer while vibration was exerted on the surfaces, even though the wetting transition time of droplets at low temperature was shorter than at room temperature. It was found that resonance frequency of droplet increased as surface tension increased due to low temperature. Moreover, when a droplet was in its resonance frequency, the wetting area between the droplet and the micropillared surface increased obviously and its solidified time decreased substantially, and it led to the decline of anti-icing performance. This work is helpful to design a more efficient anti-icing device. (C) 2016 Elsevier B.V. All rights reserved.
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