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Sliding, vibrating and swinging droplets on an oscillating fibre

Journal of fluid mechanics, 2023-07, Vol.967 [Peer Reviewed Journal]

The Author(s), 2023. Published by Cambridge University Press. ;info:eu-repo/semantics/openAccess ;ISSN: 0022-1120 ;EISSN: 1469-7645 ;DOI: 10.1017/jfm.2023.462

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  • Title:
    Sliding, vibrating and swinging droplets on an oscillating fibre
  • Author: Poulain, Stéphane ; Carlson, Andreas
  • Subjects: JFM Papers
  • Is Part Of: Journal of fluid mechanics, 2023-07, Vol.967
  • Description: We study experimentally the dynamics of a water droplet on a tilted and vertically oscillating rigid fibre. As we vary the frequency and amplitude of the oscillations the droplet transitions between different modes: harmonic pumping, subharmonic pumping, a combination of rocking and pumping modes, and a combination of pumping and swinging modes. We characterize these responses and report how they affect the sliding speed of the droplet along the fibre. The swinging mode is explained by a minimal model making an analogy between the droplet and a forced elastic pendulum.
  • Publisher: Cambridge, UK: Cambridge University Press
  • Language: English;Norwegian
  • Identifier: ISSN: 0022-1120
    EISSN: 1469-7645
    DOI: 10.1017/jfm.2023.462
  • Source: NORA Norwegian Open Research Archives

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