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hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorWÜRGER, Alois
dc.date.issued2011-10-13
dc.identifier.issn0031-9007
dc.description.abstractEnWe show that thermal creep is at the origin of the recently discovered Leidenfrost ratchet, where liquid droplets float on a vapor layer along a heated saw-tooth surface and accelerate to velocities of up to 40 cm/s. As the active element, the asymmetric temperature profile at each ratchet summit rectifies the vapor flow in the boundary layer. This mechanism works at low Reynolds number and provides a novel tool for controlling gas flow at nanostructured surfaces.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enLeidenfrost gas ratchets driven by thermal creep
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevLett.107.164502
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
dc.subject.halPhysique [physics]
bordeaux.journalPhysical Review Letters
bordeaux.page164502 (4)
bordeaux.volume107
bordeaux.peerReviewedoui
hal.identifierhal-00632232
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00632232v1
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