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hal.structure.identifierLaboratoire de Dynamique des Fluides [DynFluid]
hal.structure.identifierSNECMA Villaroche [Moissy-Cramayel]
dc.contributor.authorTOMOV, Petar
hal.structure.identifierLaboratoire de Dynamique des Fluides [DynFluid]
dc.contributor.authorKHELLADI, Sofiane
hal.structure.identifierLaboratoire de Dynamique des Fluides [DynFluid]
dc.contributor.authorRAVELET, Florent
hal.structure.identifierLaboratoire de Dynamique des Fluides [DynFluid]
hal.structure.identifierInstitut de Recherche de l'Ecole Navale [IRENAV]
dc.contributor.authorSARRAF, Christophe
hal.structure.identifierLaboratoire de Dynamique des Fluides [DynFluid]
dc.contributor.authorBAKIR, Farid
hal.structure.identifierSNECMA Villaroche [Moissy-Cramayel]
dc.contributor.authorVERTENOEUIL, P.
dc.date.accessioned2021-05-14T09:37:04Z
dc.date.available2021-05-14T09:37:04Z
dc.date.issued2016
dc.identifier.issn0894-1777
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/76334
dc.description.abstractThe injection of bubbles into an already cavitating flow is a way of influencing the typical cavitating behaviour. The present article deals with experiments on aerated and non-aerated cavitation in a transparent horizontal venturi nozzle. The observations are done by means of a high-speed camera. In such a way the extremely rapid cavitation and cavitation–aeration flows are captured and further analysed. The post-processing techniques is based on the detection of the grey level on the series of images. As a result, three different regimes are identified: sheet cavitation, cloud cavitation and “supercavitation”. Those regimes are further aerated by injecting air bubbles. Standard deviations, time–space diagrams and frequency spectrum based on the vertical distribution of the grey level along a monitored line are plotted for all of the observed regimes. In the pure cavitation cases we obtain statistically symmetrical structures with characteristic lengths and frequencies. On the other hand, with aeration present, the symmetry is broken and characteristic lengths and frequencies are deeply modified, until a complete disappearance when “supercavitation” is reached.
dc.language.isoen
dc.publisherElsevier
dc.subjectAerated cavitation
dc.subjectVenturi nozzle
dc.subjectSupercavitation
dc.subjectCloud cavitation
dc.subjectSheet cavitation
dc.titleExperimental study of aerated cavitation in a horizontal venturi nozzle
dc.typeArticle de revue
dc.identifier.doi10.1016/j.expthermflusci.2015.08.018
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]
bordeaux.journalExperimental Thermal and Fluid Science
bordeaux.page85-95
bordeaux.volume70
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-01176675
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01176675v1
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