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dc.contributor.authorSolano Fernández, Juan Pedro 
dc.contributor.authorGarcía Pinar, Alberto 
dc.contributor.authorVicente Quiles, Pedro Ginés 
dc.contributor.authorViedma Robles, Antonio 
dc.date.accessioned2015-02-12T07:26:14Z
dc.date.available2015-02-12T07:26:14Z
dc.date.issued2011-08
dc.identifier.citationApplied Thermal Engineering. Volume 31, Issue 11-125, August 2011, Pages 2013-2024.es_ES
dc.identifier.issn1359-4311
dc.description.abstractFlow pattern and thermal-hydraulic characteristics in an innovative tube insert have been experimentally and numerically investigated. The insert device is a concept envisioned for reciprocating scraped surface heat exchangers. It consists of a concentric rod, that mounts an array of semicircular plugs fitted to the inner tube wall. In motionless conditions, the insert works as a turbulence promoter, enhancing heat transfer in laminar regime. Fundamental flow features in the symmetry plane of the tube have been assessed with Particle Image Velocimetry technique. A general model of the flow mechanism has been defined, identifying three regions along a geometrical pitch: recirculation bubbles, flow acceleration and transverse vortex. Results have been complemented with experimental data on pressure drop and heat transfer. The transition onset is clearly identified, and the mechanisms that promote turbulence at low Reynolds number are investigated and discussed. CFD simulations for different Reynolds numbers provide a further insight into the relation of the flow structures with wall shear stress, and their role on the local heat transfer augmentation.es_ES
dc.formatapplication/pdfes_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.titleFlow field and heat transfer investigation in tubes of heat exchangers with motionless scraperses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.subject.otherMecánica de Fluidoses_ES
dc.subjectHeat transferes_ES
dc.subjectHeat exchangeres_ES
dc.subjectScraped surfacees_ES
dc.subjectFlow fieldes_ES
dc.identifier.urihttp://hdl.handle.net/10317/4470
dc.peerreviewSIes_ES
dc.contributor.investgroupMecánica de Fluidos e Ingeniería Térmicaes_ES
dc.identifier.doi10.1016/j.applthermaleng.2011.03.010
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.type.versioninfo:eu-repo/semantics/acceptedVersiones_ES


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Atribución-NoComercial-SinDerivadas 3.0 España
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España