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Simulation of an optically induced asymmetric deformation of a liquid-liquid interface

hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
hal.structure.identifierTransferts, écoulements, fluides, énergétique [TREFLE]
dc.contributor.authorCHRAIBI, Hamza
hal.structure.identifierTransferts, écoulements, fluides, énergétique [TREFLE]
dc.contributor.authorLASSEUX, Didier
hal.structure.identifierTransferts, écoulements, fluides, énergétique [TREFLE]
dc.contributor.authorARQUIS, Eric
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorWUNENBURGER, Régis
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorDELVILLE, Jean-Pierre
dc.date.created2007-03-29
dc.date.issued2008
dc.identifier.issn0997-7546
dc.description.abstractEnDeformations of liquid interfaces by the optical radiation pressure of a focused laser wave were generally expected to display similar behavior, whatever the direction of propagation of the incident beam. Recent experiments showed that the invariance of interface deformations with respect to the direction of propagation of the incident wave is broken at high laser intensities. In the case of a beam propagating from the liquid of smaller refractive index to that of larger one, the interface remains stable, forming a nipple-like shape, while for the opposite direction of propagation, an instability occurs, leading to a long needle-like deformation emitting micro-droplets. While an analytical model successfully predicts the equilibrium shape of weakly deformed interface, very few work has been accomplished in the regime of large interface deformations. In this work, we use the Boundary Integral Element Method (BIEM) to compute the evolution of the shape of a fluid-fluid interface under the effect of a continuous laser wave, and we compare our numerical simulations to experimental data in the regime of large deformations for both upward and downward beam propagation. We confirm the invariance breakdown observed experimentally and find good agreement between predicted and experimental interface hump heights below the instability threshold.
dc.language.isoen
dc.publisherElsevier
dc.subject.enOpto-hydrodynamics
dc.subject.enOptical radiation pressure
dc.subject.enBoundary integral element method
dc.subject.enInterfacial flow
dc.subject.enCapillarity
dc.subject.enLaser
dc.title.enSimulation of an optically induced asymmetric deformation of a liquid-liquid interface
dc.typeArticle de revue
dc.identifier.doi10.1016/j.euromechflu.2007.09.001
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]
dc.identifier.arxiv0903.1241
bordeaux.journalEuropean Journal of Mechanics - B/Fluids
bordeaux.page419-432
bordeaux.volume27
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-00366125
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00366125v1
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