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Jet Formation in Bubbles Bursting at a Free Surface

[+] Author Affiliations
Laurent Duchemin, Stéphane Zaleski

Université Pierre et Marie Curie – Paris VI, Paris, France

Paper No. FEDSM2002-31142, pp. 817-821; 5 pages
doi:10.1115/FEDSM2002-31142
From:
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME

abstract

We study numerically bubbles bursting at a free surface. The Navier-Stokes equations with a free surface and surface tension are solved using a marker-chain approach. Initial conditions involve a bubble connected to the outside atmosphere by a preexisting opening in a thin liquid layer. The evolution of the bubble is studied as a function of bubble radius. The results show that the jet birth may occur with or without the formation of a tiny air bubble at the base of the jet. A series of critical radiuses exist, for which a transition from a dynamics with or without bubbles exist. This singularity is compared to the ones investigated in other contexts such Faraday waves.

Copyright © 2002 by ASME
Topics: Bubbles

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