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dc.contributor.authorSozza, Alessandroes_ES
dc.contributor.authorDrótos, Gábores_ES
dc.contributor.authorHernández-García, Emilioes_ES
dc.contributor.authorLópez, Cristóbales_ES
dc.date.accessioned2020-08-21T08:54:29Z-
dc.date.available2020-08-21T08:54:29Z-
dc.date.issued2020-
dc.identifier.citationPhysics of Fluids 32: 075104 (2020)es_ES
dc.identifier.issn1070-6631-
dc.identifier.urihttp://hdl.handle.net/10261/218357-
dc.description.abstractWe study the effect of turbulence on a sedimenting layer of particles by means of direct numerical simulations. A Lagrangian model in which particles are considered as tracers with an additional downward settling velocity is integrated together with an isotropic homogeneous turbulent flow. We study the spatial distribution of particles when they are collected on a plane at non-asymptotic times. We relate the resulting coarse-grained particle density to the history of the stretching rate along the particle trajectory and the projection of the density onto the accumulation plane and analyze the deviation from homogeneity in terms of the Reynolds number and the settling velocity. We identify two regimes that arise during the early and well-mixed stages of advection. In the former regime, more inhomogeneity in the particle distribution is introduced for decreasing settling velocity or increasing Reynolds number, while the tendencies are opposite in the latter regime. A resonant-like crossover is found between these two regimes where inhomogeneity is maximal.es_ES
dc.description.sponsorshipA.S. acknowledges support from grant MODSS (“Monitoring of space debris based on intercontinental stereoscopic detection”; Grant No. 85-2017-14966), a research project funded by Lazio Innova/Regione Lazio according to Italian law L.R. 13/08. G.D., E.H.-G., and C.L. acknowledge support from the Maria de Maeztu Program for Units of Excellence in R&D (Grant No. MDM-2017-0711). G.D. also acknowledges support from the European Social Fund under CAIB (Grant No. PD/020/2018) “Margalida Comas,” and the Hungarian Grant No. NKFI-124256 (NKFIH).es_ES
dc.language.isoenges_ES
dc.publisherAmerican Institute of Physicses_ES
dc.relationMICIU/ICTI2017-2020/MDM-2017-0711es_ES
dc.relationMDM-2017-0711/AEI/10.13039/501100011033es_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccesses_ES
dc.titleAccumulated densities of sedimenting particles in turbulent flowses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1063/5.0003614-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1063/5.0003614es_ES
dc.identifier.e-issn1089-7666-
dc.contributor.funderRegione Lazioes_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.contributor.funderAgencia Estatal de Investigación (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderNational Office for Research and Technology (Hungary)es_ES
dc.contributor.funderGovern de les Illes Balearses_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100009880es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
dc.contributor.orcidHernández-García, Emilio [0000-0002-9568-8287]es_ES
dc.contributor.orcidLópez, Cristóbal [0000-0002-3445-4284]es_ES
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