Jets from Hollows
Thomas Seon, Elisabeth Ghabache, Arnaud Antkowiak
TL;DR
This study visualizes gravity-driven jets caused by the relaxation of large bubbles or holes at a liquid surface, revealing that internal jets can produce high liquid projections above the surface.
Contribution
It demonstrates the formation of strong internal jets within bubbles or holes at a free surface, a phenomenon not extensively documented before.
Findings
Jets can shoot liquid far above the free surface.
Large bubbles or holes induce significant internal jetting.
Gravity-driven relaxation causes observable jet phenomena.
Abstract
This fluid dynamics video presents the gravity-driven jets induced by the relaxation of large prolate bubbles or large holes at a free liquid surface. It shows that the jet developing inside a bubble can be strong enough to give rise to liquid projections shooting out way above the free surface.
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Taxonomy
TopicsFluid Dynamics and Heat Transfer · Fluid Dynamics and Mixing · Particle Dynamics in Fluid Flows