The stability of viscous liquid filaments

T.W. Driessen, R.J.M. Jeurissen, H.M.A. Wijshoff, D. Lohse

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    Abstract

    The stability of liquid filaments is relevant both in industrial applications, such as inkjet printing and atomization, and in nature, where the stability of filaments has a large influence on the final drop size distribution of rain droplets and waterfalls. The liquid filament may either stably collapse into a single droplet, or break up into multiple droplets. Which scenario is realized depends on the viscosity and the aspect ratio of the filament. Here we study the collapse of an axisymmetric liquid filament is analytically and with a numerical model. We find that a long, high viscous filament can only break up due to the Rayleigh-Plateau instability, whereas a low viscous filament can break up due to end-pinching. The theory shows quantitative agreement with recent experimental findings by Castr\'{e}jon-Pita et al.,
    Original languageEnglish
    Title of host publicationProceedings of the 65th Annual Division of Fluid Dynamics (DFD) Meeting, 18-20 November 2012, San Diego, California
    PublisherAmerican Physical Society
    PagesM8.00007-
    Publication statusPublished - 2013
    Event65th Annual Meeting of the APS Division of Fluid Dynamics (DFD12), November 18-20, 2012, San Diego, CA, USA - San Diego, CA, United States
    Duration: 18 Nov 201220 Nov 2012
    http://www.aps.org/meetings/meeting.cfm?name=DFD12

    Publication series

    NameBulletin of the American Physical Society
    Volume57
    ISSN (Print)0003-0503

    Conference

    Conference65th Annual Meeting of the APS Division of Fluid Dynamics (DFD12), November 18-20, 2012, San Diego, CA, USA
    Abbreviated titleDFD12
    CountryUnited States
    CitySan Diego, CA
    Period18/11/1220/11/12
    Internet address

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