Bubble formation during the collision of a sessile drop with a meniscus

@inproceedings{Keij2013BubbleFD,
  title={Bubble formation during the collision of a sessile drop with a meniscus},
  author={Diederik L. Keij and Koen G. Winkels and Hein Castelijns and Michel Riepen and J. H. Snoeijer},
  year={2013}
}
  • Diederik L. Keij, Koen G. Winkels, +2 authors J. H. Snoeijer
  • Published 2013
  • Physics
  • The impact of a sessile droplet with a moving meniscus, as encountered in processes such as dip-coating, generically leads to the entrapment of small air bubbles. Here we experimentally study this process of bubble formation by looking through the liquid using high-speed imaging. Our central finding is that the size of the entrapped bubble crucially depends on the location where coalescence between the drop and the moving meniscus is initiated: (i) at a finite height above the substrate, or (ii… CONTINUE READING

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