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Dynamics of phase transition in H2 under high frequency vibrations

hal.structure.identifierService des Basses Températures [SBT ]
hal.structure.identifierPhysique et mécanique des milieux hétérogènes [PMMH]
hal.structure.identifierESEME : Équipe du Supercritique pour l'Environnement, les Matériaux et l'Espace : Équipe commune CEA-CNRS (2000-2014)
dc.contributor.authorBEYSENS, Daniel
hal.structure.identifierService des Basses Températures [SBT ]
dc.contributor.authorCHATAIN, Denis
hal.structure.identifierLaboratoire de mécanique des sols, structures et matériaux [MSSMat]
dc.contributor.authorEVESQUE, Pierre
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierESEME : Équipe du Supercritique pour l'Environnement, les Matériaux et l'Espace : Équipe commune CEA-CNRS (2000-2014)
dc.contributor.authorGARRABOS, Yves
dc.date.issued2005
dc.identifier.issn0938-0108
dc.description.abstractEnCan vibrations act in space as an artificial gravity? We investigate here the role of high frequency vibrations to accelerate the dynamics of phase transition of gas and liquid in space. Hydrogen is studied near its critical point (Tc =33 K). Gravity effects are compensated in a high magnetic field gradient as provided by a 10 T superconducting coil. The experiments are performed in the temperature range [0.17 – 1.1] mK from Tc, at critical and off-critical densities. The pattern shows up as interconnected gas-liquid domains or bubbles. When the domain size becomes larger than the viscous boundary layer, growth is accelerated and the domains eventually elongate in the direction perpendicular to the vibration (interconnected pattern case) or align in periodic planes in the same direction perpendicular to vibration (bubble pattern case). We explain the experimental findings by the presence of inertial velocity gradients between the vapor and liquid domains, which favor coalescence and fast domain growth.
dc.language.isoen
dc.publisherSpringer
dc.subject.enDynamics
dc.subject.enPhase transitions
dc.subject.enH2
dc.subject.enVibrations
dc.title.enDynamics of phase transition in H2 under high frequency vibrations
dc.typeArticle de revue
dc.identifier.doi10.1007/BF02945990
dc.subject.halChimie/Matériaux
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Mécanique statistique [cond-mat.stat-mech]
bordeaux.journalMicrogravity Science and Technology
bordeaux.page274-279
bordeaux.volume16
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00093817
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00093817v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Microgravity%20Science%20and%20Technology&rft.date=2005&rft.volume=16&rft.issue=1&rft.spage=274-279&rft.epage=274-279&rft.eissn=0938-0108&rft.issn=0938-0108&rft.au=BEYSENS,%20Daniel&CHATAIN,%20Denis&EVESQUE,%20Pierre&GARRABOS,%20Yves&rft.genre=article


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