Jet impact on a soap film

Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Sep;86(3 Pt 2):036303. doi: 10.1103/PhysRevE.86.036303. Epub 2012 Sep 4.

Abstract

We experimentally investigate the impact of a liquid jet on a soap film. We observe that the jet never breaks the film and that two qualitatively different steady regimes may occur. The first one is a refractionlike behavior obtained at small incidence angles when the jet crosses the film and is deflected by the film-jet interaction. For larger incidence angles, the jet is absorbed by the film, giving rise to a new class of flows in which the jet undulates along the film with a characteristic wavelength. Besides its fundamental interest, this paper presents a different way to guide a micrometric flow of liquid in the inertial regime and to probe foam stability submitted to violent perturbations at the soap film scale.

MeSH terms

  • Computer Simulation
  • Membranes, Artificial*
  • Microfluidics / methods*
  • Models, Chemical*
  • Motion
  • Soaps / chemistry*
  • Solutions / chemistry*
  • Surface Properties

Substances

  • Membranes, Artificial
  • Soaps
  • Solutions