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A droplet of spectroscopy
Terwagne, Denis; Gilet, Tristan; Vandewalle, Nicolas et al.
200861st APS Division of Fluid Dynamics Meeting
 

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Abstract :
[en] Droplet coalescence in a liquid bath can be delayed by oscillating the surface of the bath vertically (frequency from 20 Hz to 400 Hz), the droplet bounces on the interface [1,2]. A low viscous oil droplet is dropped on a high viscous oil bath. We observe that the conditions for bouncing depends on the frequency, more precisely we observe resonance when the eigenfrequency of the droplet is excited. In some conditions, droplet presents a non axi-symmetric mode of deformation. That leads to a rotation of the drop and to a horizontal displacement.
Disciplines :
Physics
Author, co-author :
Terwagne, Denis ;  Université de Liège - ULiège > Département de physique > Physique statistique
Gilet, Tristan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Micro mécanique
Vandewalle, Nicolas  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Dorbolo, Stéphane  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Language :
English
Title :
A droplet of spectroscopy
Publication date :
November 2008
Event name :
61st APS Division of Fluid Dynamics Meeting
Event organizer :
American Physical Society, Division of Fluid Dynamics
Event place :
San Antonio, United States - Texas
Event date :
23 novembre 2008 au 25 novembre 2008
Available on ORBi :
since 04 January 2012

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