Dynamic characteristics of vibrated droplets on the one-tier and two-tier surface

DOI

10.2991/ic3me-15.2015.405How to use a DOI?

Keywords

surface; droplet; vibration

Abstract

Dynamic characteristics of droplets on the one-tier surface, which was a micropillared hydrophobic surface fabricated by lithography and two-tier surface, which was a micro-nano hydrophobic surface replaced by dry lotus leaf were studied under vertically vibration. Our experiments shown that the two-tier surface led to a decrease of the critical amplitude (which was required to make the droplets separated from the surface) than the one-tier surface at each given frequency. Meanwhile, droplets on the two-tier surface need lower vibration energy to separate from the surface. But the vibration morphology and mode of the droplet on the two-tier surface are rather more complicated. The physical mechanism of droplet separation by vibration was presented and then analyzing the experimental phenomenon in combination with surface mechanics and kinetic energy. We demonstrate that the length of the triple contact line is an important parameter in the form of droplet vibration mode and morphology.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Gang Wang
AU  - Zhi-Hai Jia
AU  - Zhen Teng
PY  - 2015/08
DA  - 2015/08
TI  - Dynamic characteristics of vibrated droplets on the one-tier and two-tier surface
BT  - Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering
PB  - Atlantis Press
SP  - 2110
EP  - 2115
SN  - 2352-5401
UR  - https://doi.org/10.2991/ic3me-15.2015.405
DO  - 10.2991/ic3me-15.2015.405
ID  - Wang2015/08
ER  -