Article (Scientific journals)
Block-to-granular-like transition in dense bubble flows
Vandewalle, Nicolas; Trabelsi, Samy; Caps, Hervé
2004In Europhysics Letters, 65 (3), p. 316-322
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Abstract :
[en] We have experimentally investigated 2-dimensional dense bubble flows underneath inclined planes. Velocity profiles and velocity fluctuations have been measured. A broad second-order phase transition between two dynamical regimes is observed as a function of the tilt angle theta. For low theta values, a block motion is observed. For high theta values, the velocity pro. le becomes curved and a shear velocity gradient appears in the flow.
Disciplines :
Physics
Author, co-author :
Vandewalle, Nicolas  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Trabelsi, Samy ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Caps, Hervé ;  Université de Liège - ULiège > Département de physique > Optofluidique
Language :
English
Title :
Block-to-granular-like transition in dense bubble flows
Publication date :
February 2004
Journal title :
Europhysics Letters
ISSN :
0295-5075
eISSN :
1286-4854
Publisher :
E D P Sciences, Les Ulis Cedexa, France
Volume :
65
Issue :
3
Pages :
316-322
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 August 2009

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