70th Annual Meeting of the APS Division of Fluid Dynamics (November 19, 2017 — November 21, 2017)

P0033: Bubble Wars

Authors
  • Sebastien Michelin, LadHyX - Ecole Polytechnique
  • Eric Lauga, DAMTP - University of Cambridge

Microscopic bubbles dissolve in finite time under the effect of the imbalance between the dissolved gas concentration at their surface and their internal gas pressure. Neighboring bubbles slow down this process by acting as sources of dissolved gas and reducing the diffusing gradients. Using numerical simulations, we report here the role of bubble interactions in the dissolution pattern and total duration. In particular, for large lattices of bubbles, transient patterns exhibit complex and highly sensitive dependence to the lattice's structure and bubbles' sizes. This poster illustrates this sensitivity and the resulting Bubble Wars where each bubble fights for its own survival.

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