Jet impact on a soap film

Details Jet impact on a soap film Jet impact on a soap film

2012-03-05

arxiv.org/abs/1203.0842v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 figures

Scientific paper

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 refraction-like 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 flow in which the jet undulates along the film with a characteristic wavelength. Besides its fundamental interest, this study presents a new way to guide a micro-metric flow of liquid in the inertial regime and to probe foam stability submitted to violent perturbations at the soap film scale.

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