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Spontaneous droplets gyrating via asymmetric self-splitting on heterogeneous surfaces

Author

Listed:
  • Huizeng Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Wei Fang

    (Tsinghua University)

  • Yanan Li

    (Chinese Academy of Sciences)

  • Qiang Yang

    (Chinese Academy of Sciences)

  • Mingzhu Li

    (Chinese Academy of Sciences)

  • Qunyang Li

    (Tsinghua University)

  • Xi-Qiao Feng

    (Tsinghua University)

  • Yanlin Song

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Droplet impacting and bouncing off solid surface plays a vital role in various biological/physiological processes and engineering applications. However, due to a lack of accurate control of force transmission, the maneuver of the droplet movement and energy conversion is rather primitive. Here we show that the translational motion of an impacting droplet can be converted to gyration, with a maximum rotational speed exceeding 7300 revolutions per minute, through heterogeneous surface wettability regulation. The gyration behavior is enabled by the synergetic effect of the asymmetric pinning forces originated from surface heterogeneity and the excess surface energy of the spreading droplet after impact. The findings open a promising avenue for delicate control of liquid motion as well as actuating of solids.

Suggested Citation

  • Huizeng Li & Wei Fang & Yanan Li & Qiang Yang & Mingzhu Li & Qunyang Li & Xi-Qiao Feng & Yanlin Song, 2019. "Spontaneous droplets gyrating via asymmetric self-splitting on heterogeneous surfaces," Nature Communications, Nature, vol. 10(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08919-2
    DOI: 10.1038/s41467-019-08919-2
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    Cited by:

    1. An Li & Huizeng Li & Sijia Lyu & Zhipeng Zhao & Luanluan Xue & Zheng Li & Kaixuan Li & Mingzhu Li & Chao Sun & Yanlin Song, 2023. "Tailoring vapor film beneath a Leidenfrost drop," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Luanluan Xue & An Li & Huizeng Li & Xinye Yu & Kaixuan Li & Renxuan Yuan & Xiao Deng & Rujun Li & Quan Liu & Yanlin Song, 2024. "Droplet-based mechanical transducers modulated by the symmetry of wettability patterns," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Zhipeng Zhao & Huizeng Li & An Li & Wei Fang & Zheren Cai & Mingzhu Li & Xiqiao Feng & Yanlin Song, 2021. "Breaking the symmetry to suppress the Plateau–Rayleigh instability and optimize hydropower utilization," Nature Communications, Nature, vol. 12(1), pages 1-7, December.

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