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dc.rights.licenseCopyright © 2018 by Instituto Nacional de Técnica Aeroespacial (INTA) and Universidad Politécnica de Madrid (UPM)es
dc.contributor.authorGarcía Magariño, A.es
dc.contributor.authorSor, Suthyvannes
dc.contributor.authorVelázquez, Ángeles
dc.date.accessioned2024-01-25T08:23:58Z-
dc.date.available2024-01-25T08:23:58Z-
dc.date.issued2018-05-07-
dc.identifier.citationJournal of Aircraft 55(5): 1867-1876(2018)es
dc.identifier.issn10.2514/1.C034631-
dc.identifier.issn0021-8669-
dc.identifier.otherhttps://arc.aiaa.org/doi/full/10.2514/1.C034631es
dc.identifier.urihttp://hdl.handle.net/20.500.12666/916-
dc.descriptionAdelaida Garcia-Magariño (0000-0002-6039-8407); Suthyvann Sor (0000-0002-6972-8601); Angel Velazquez (0000-0002-5712-9230).es
dc.description.abstractA new breakup criterion is proposed in this paper for droplets subject to the flowfield generated by an incoming airfoil (that is, the criterion should be applied only to this type of aerodynamics flow). This criterion is based on the study of the characteristic times involved in the problem. These are the characteristic external flowfield variation time and the characteristic droplet deformation time. The criterion takes the shape of an empirical correlation that relates the Weber number at the onset of the breakup to the external flowfield and droplet characteristics. Experimental data on the droplet deformation and breakup tests conducted in a rotating arm facility are used to generate the data used to develop the correlation. Droplets, with diameters in the range of 0.3–3.6 mm, are allowed to fall in the path of an incoming airfoil attached to the end of a rotating arm. Airfoil velocities vary between 50 and 90 m∕s. The airfoil leading-edge radius varies from 0.030 to 0.103 m. Experiments are recorded with a high-speed camera using the shadowgraph illumination technique. The empirical breakup correlation applies to droplets that break in the bag and stamen mode. Some additional limited data on droplets that break in the bag and the shear mode are analyzed to see how they fit into the correlation.es
dc.description.sponsorship"The authors were funded by the Spanish Ministry of Economy and Competitiveness (Ministerio de Economia y Competitividad) under research contract DPI2016-75296-P, and they gratefully acknowledge this support. S. Sor and A. Garcia-Magariño were also funded y the National Institute for Aerospace Technology project titled “Termofluidoninámica.”"es
dc.language.isoenges
dc.publisherAerospace Research Centrales
dc.relationinfo:eu-repo/grantAgreement/MINECO//DPI2016-75296-P/ES/DEFORMACIÓN Y ROTURA DE GOTAS CON Y SIN SOBRE-ENFRIAMIENTO EN FLUJOS DE INTERÉS AERONÁUTICO/es
dc.subjectLeading edgeses
dc.subjectWeber numberses
dc.subjectVelocity profileses
dc.subjectParticle image velocimetryes
dc.subjectFederal aviation regulationes
dc.subjectAircraft manufacturinges
dc.subjectSupercooled large dropletses
dc.subjectSymmetric airfoiles
dc.subjectDrag coefficientes
dc.titleDroplet breakup criterion in airfoils leading edge vicinityes
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.e-issn1533-3868-
dc.contributor.funderInstituto Nacional de Técnica Aeroespacial (INTA)es
dc.contributor.funderMinisterio de Economía y Competitividad (MINECO)es
dc.description.peerreviewedPeerreviewes
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccesses
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es
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