Flow Visualisation of Annular Liquid Sheet Instability & Atomisation
Daniel Duke, Damon Honnery, Julio Soria
TL;DR
This paper presents visualizations of unstable thin annular liquid sheets subjected to aerodynamic shear, highlighting the instability and atomization processes relevant to fluid dynamics research.
Contribution
It provides fluid dynamics videos demonstrating the instability and atomization of annular liquid sheets under aerodynamic shear conditions.
Findings
Unstable behavior of thin annular liquid sheets observed.
Effect of aerodynamic shear on sheet instability analyzed.
Visual evidence of atomization process provided.
Abstract
Fluid dynamics videos of unstable thin annular liquid sheets are presented in this short paper. These videos are to be presented in the Gallery of Fluid Motion for the American Physical Society 65th Annual Meeting of the Division of Fluid Dynamics in San Diego, CA, 18-20 November 2012. An annular sheet of thickness h=1mm and mean radius R=18.9mm is subjected to aerodynamic axial shear from co-flowing air at various shear rates on both the inner and outer surface at a liquid sheet Reynolds Number of Re=500.
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Taxonomy
TopicsFluid Dynamics and Heat Transfer · Plant Surface Properties and Treatments · Particle Dynamics in Fluid Flows