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SUMMARY:A wave for spray atomization
DTSTART:20101105T110000
DTSTAMP:20260429T151053Z
UID:3b3c29f5e06cba75a6d926d2f77c9cccf8bb1d1e8468fe03c41e27aa
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Jérôme Hoepffner\, Institut Jean Le Rond d'Alembert\, Fr
 ance\nA perturbation is induced at the sheared interface between a stream 
 of liquid and a stream of gas. This initial perturbation then evolves as t
 he reponse of inertia\, viscosity and interfacial tension. The initial con
 dition we have considered is localized in space. We observe as a result a 
 single Kelvin-Helmholtz wave\, tending to a self similar regime after a sh
 ort transient. We describe the anatomy of this well-defined entity as the 
 physical parameters are varied\, especially the density ratio of the two p
 hases. This study is aimed at identifying a possible recurrent agent in at
 omization processes\, as observed for instance in Marmottant and Villermau
 x (2004). The numerical simulations are performed using the volume of flui
 d method for interface tracking.
LOCATION:MEB10
STATUS:CONFIRMED
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