Dispersion of passive particles by a quasi-two-dimensional turbulent flow

Using the experimental data of Paret and Tabeling [Phys. Rev. Lett. 79, 4162 (1997)] we consider in detail the dispersion of particle pairs by a two-dimensional turbulent flow and its relation to the kinematic properties of the velocity field. We show that the mean square separation of a pair of par...

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Authors: Sokolov, Igor M., 1958-, Reigada Sanz, Ramon
Format: article
Status:Published version
Publication Date:1999
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/18903
Online Access:https://hdl.handle.net/2445/18903
Access Level:Open access
Keyword:Dinàmica de fluids
Física estadística
Termodinàmica
Fluid dynamics
Statistical physics
Thermodynamics
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spelling Dispersion of passive particles by a quasi-two-dimensional turbulent flowSokolov, Igor M., 1958-Reigada Sanz, RamonDinàmica de fluidsFísica estadísticaTermodinàmicaFluid dynamicsStatistical physicsThermodynamicsUsing the experimental data of Paret and Tabeling [Phys. Rev. Lett. 79, 4162 (1997)] we consider in detail the dispersion of particle pairs by a two-dimensional turbulent flow and its relation to the kinematic properties of the velocity field. We show that the mean square separation of a pair of particles is governed by rather rare, extreme events and that the majority of initially close pairs are not dispersed by the flow. Another manifestation of the same effect is the fact that the dispersion of an initially dense cluster is not the result of homogeneously spreading the particles within the whole system. Instead it proceeds through a splitting into smaller but also dense clusters. The statistical nature of this effect is discussed.The American Physical Society201120111999info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion5 p.application/pdfhttps://hdl.handle.net/2445/18903Articles publicats en revistes (Ciència dels Materials i Química Física)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.59.5412Physical Review E, 1999, vol. 59, núm. 5, p. 5412-5416http://dx.doi.org/10.1103/PhysRevE.59.5412(c) American Physical Society, 1999info:eu-repo/semantics/openAccessoai:recercat.cat:2445/189032026-05-29T05:05:01Z
dc.title.none.fl_str_mv Dispersion of passive particles by a quasi-two-dimensional turbulent flow
title Dispersion of passive particles by a quasi-two-dimensional turbulent flow
spellingShingle Dispersion of passive particles by a quasi-two-dimensional turbulent flow
Sokolov, Igor M., 1958-
Dinàmica de fluids
Física estadística
Termodinàmica
Fluid dynamics
Statistical physics
Thermodynamics
title_short Dispersion of passive particles by a quasi-two-dimensional turbulent flow
title_full Dispersion of passive particles by a quasi-two-dimensional turbulent flow
title_fullStr Dispersion of passive particles by a quasi-two-dimensional turbulent flow
title_full_unstemmed Dispersion of passive particles by a quasi-two-dimensional turbulent flow
title_sort Dispersion of passive particles by a quasi-two-dimensional turbulent flow
dc.creator.none.fl_str_mv Sokolov, Igor M., 1958-
Reigada Sanz, Ramon
author Sokolov, Igor M., 1958-
author_facet Sokolov, Igor M., 1958-
Reigada Sanz, Ramon
author_role author
author2 Reigada Sanz, Ramon
author2_role author
dc.subject.none.fl_str_mv Dinàmica de fluids
Física estadística
Termodinàmica
Fluid dynamics
Statistical physics
Thermodynamics
topic Dinàmica de fluids
Física estadística
Termodinàmica
Fluid dynamics
Statistical physics
Thermodynamics
description Using the experimental data of Paret and Tabeling [Phys. Rev. Lett. 79, 4162 (1997)] we consider in detail the dispersion of particle pairs by a two-dimensional turbulent flow and its relation to the kinematic properties of the velocity field. We show that the mean square separation of a pair of particles is governed by rather rare, extreme events and that the majority of initially close pairs are not dispersed by the flow. Another manifestation of the same effect is the fact that the dispersion of an initially dense cluster is not the result of homogeneously spreading the particles within the whole system. Instead it proceeds through a splitting into smaller but also dense clusters. The statistical nature of this effect is discussed.
publishDate 1999
dc.date.none.fl_str_mv 1999
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/18903
url https://hdl.handle.net/2445/18903
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.59.5412
Physical Review E, 1999, vol. 59, núm. 5, p. 5412-5416
http://dx.doi.org/10.1103/PhysRevE.59.5412
dc.rights.none.fl_str_mv (c) American Physical Society, 1999
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) American Physical Society, 1999
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 5 p.
application/pdf
dc.publisher.none.fl_str_mv The American Physical Society
publisher.none.fl_str_mv The American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Ciència dels Materials i Química Física)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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