Oblique drop impact onto a deep liquid pool

ORAL

Abstract

While perpendicular drop impact onto a deep liquid pool is widely studied, the dynamics after oblique drop impact remain to be quantified. Here we study, for the first time, oblique drop impact experiments onto a deep liquid pool using ultrafast imaging. We quantify the splashing behavior and derive a model to describe the splashing threshold based on the impact angle and Weber number of the impacting drop. In addition, we study the cavity formation below the water surface and quantify the cavity depth and displacement. Based on the asymmetric cavity dynamics, we develop a method to predict the direction in which a jetted droplet can escape the cavity.

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Authors

  • Marise V. Gielen

    Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands

  • Pascal Sleutel

    Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands

  • Jos Benschop

    ASML The Netherlands B.V., The Netherlands

  • Michel Riepen

    ASML The Netherlands B.V., The Netherlands

  • Victoria Voronina

    ASML The Netherlands B.V., The Netherlands

  • Detlef Lohse

    University of Twente, Physic of Fluids Group, University of Twente, Physics of Fluids Group, Mesa+ Institute and J.M. Burgers Centre for Fluid Dynamics, University of Twente, The Netherlands, Physics of Fluids, MESA+ institute, University of Twente, the Netherlands, Physics of Fluids Group, University of Twente, The Netherlands, Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands, Physics of Fluids, Faculty of Science \& Technology, University of Twente, The Netherlands, Physics of Fluids Group, Faculty of Science and Technology, J. M. Burgers Center for Fluid Dynamics and MESA+ Institute, University of Twente, Physics of Fluids Group, University of Twente, The Netherlands., Physics of Fluids Group, University of Twente, Physics of Fluids, University of Twente

  • Jacco Snoeijer

    Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands, University of Twente

  • Michel Versluis

    Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands

  • Hanneke Gelderblom

    Physics of Fluids group, Faculty of Science and Technology, University of Twente, The Netherlands, Physics of Fluids, Faculty of Science \& Technology, University of Twente, The Netherlands, University of Twente