Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media
Resumen:
We analyse the flow organization of turbulent fountains in stratified media under different conditions, using threedimensional finite-time Lyapunov exponents. The dominant Lagrangian coherent structures responsible for the transport barriers in three different configurations suggest a self-similarity behaviour. After proposing a criterion for delimiting the boundary surface of the uprising fountain, we quantify the entrainment and re-entrainment rates under fully developed flow conditions using the proper coefficients. Finally, our analysis was applied to the Selective Inverted Sink, a technological application of turbulent fountains, identifying turbulence as the primary mechanism favouring the device’s efficiency.
| 2022 | |
| CSIC: Fisica Nolineal (ID 722) Programa Grupos I+D 2018 | |
|
Laboratory procedures Lyapunov exponent Flow visualization Fluid flows Navier Stokes equations Plume dynamics Turbulence simulations Turbulent flows |
|
| Inglés | |
| Universidad de la República | |
| COLIBRI | |
| https://hdl.handle.net/20.500.12008/41671 | |
| Acceso abierto | |
| Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
| _version_ | 1807522805263106048 |
|---|---|
| author | Freire, Daniel |
| author2 | Barrere, Nicasio Martí, Arturo Cabeza, Cecilia Sarasúa, Gustavo L. |
| author2_role | author author author author |
| author_facet | Freire, Daniel Barrere, Nicasio Martí, Arturo Cabeza, Cecilia Sarasúa, Gustavo L. |
| author_role | author |
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| collection | COLIBRI |
| dc.contributor.filiacion.none.fl_str_mv | Freire Daniel, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. Barrere Nicasio, Universidad de la República (Uruguay). Facultad de Ciencias. CURE. Martí Arturo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. Cabeza Cecilia, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. Sarasúa Gustavo L., Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. |
| dc.creator.none.fl_str_mv | Freire, Daniel Barrere, Nicasio Martí, Arturo Cabeza, Cecilia Sarasúa, Gustavo L. |
| dc.date.accessioned.none.fl_str_mv | 2023-12-04T19:50:32Z |
| dc.date.available.none.fl_str_mv | 2023-12-04T19:50:32Z |
| dc.date.issued.none.fl_str_mv | 2022 |
| dc.description.abstract.none.fl_txt_mv | We analyse the flow organization of turbulent fountains in stratified media under different conditions, using threedimensional finite-time Lyapunov exponents. The dominant Lagrangian coherent structures responsible for the transport barriers in three different configurations suggest a self-similarity behaviour. After proposing a criterion for delimiting the boundary surface of the uprising fountain, we quantify the entrainment and re-entrainment rates under fully developed flow conditions using the proper coefficients. Finally, our analysis was applied to the Selective Inverted Sink, a technological application of turbulent fountains, identifying turbulence as the primary mechanism favouring the device’s efficiency. |
| dc.description.es.fl_txt_mv | Publicado también como: Physics of Fluids, 2022, 34(8): 085119. DOI: 10.1063/5.0098826 |
| dc.description.sponsorship.none.fl_txt_mv | CSIC: Fisica Nolineal (ID 722) Programa Grupos I+D 2018 |
| dc.format.extent.es.fl_str_mv | 10 h. |
| dc.format.mimetype.es.fl_str_mv | application/pdf |
| dc.identifier.citation.es.fl_str_mv | Freire, D, Barrere, N, Martí, A, y otros. "Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media". [Preprint]. Publicado en: Physics (Fluid Dynamics). 2022, arXiv:2205.06049, May 2022, pp 1-10. DOI 10.48550/arXiv.2205.06049 |
| dc.identifier.doi.none.fl_str_mv | 10.48550/arXiv.2205.06049 |
| dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/41671 |
| dc.language.iso.none.fl_str_mv | en eng |
| dc.publisher.es.fl_str_mv | arXiv |
| dc.relation.ispartof.es.fl_str_mv | Physics (Fluid Dynamics), arXiv:2205.06049, may 2022, pp 1-10 |
| dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
| dc.subject.es.fl_str_mv | Laboratory procedures Lyapunov exponent Flow visualization Fluid flows Navier Stokes equations Plume dynamics Turbulence simulations Turbulent flows |
| dc.title.none.fl_str_mv | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| dc.type.es.fl_str_mv | Preprint |
| dc.type.none.fl_str_mv | info:eu-repo/semantics/preprint |
| dc.type.version.none.fl_str_mv | info:eu-repo/semantics/submittedVersion |
| description | Publicado también como: Physics of Fluids, 2022, 34(8): 085119. DOI: 10.1063/5.0098826 |
| eu_rights_str_mv | openAccess |
| format | preprint |
| id | COLIBRI_bebad10c74e8837e8967342154d2a86e |
| identifier_str_mv | Freire, D, Barrere, N, Martí, A, y otros. "Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media". [Preprint]. Publicado en: Physics (Fluid Dynamics). 2022, arXiv:2205.06049, May 2022, pp 1-10. DOI 10.48550/arXiv.2205.06049 10.48550/arXiv.2205.06049 |
| instacron_str | Universidad de la República |
| institution | Universidad de la República |
| instname_str | Universidad de la República |
| language | eng |
| language_invalid_str_mv | en |
| network_acronym_str | COLIBRI |
| network_name_str | COLIBRI |
| oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/41671 |
| publishDate | 2022 |
| reponame_str | COLIBRI |
| repository.mail.fl_str_mv | mabel.seroubian@seciu.edu.uy |
| repository.name.fl_str_mv | COLIBRI - Universidad de la República |
| repository_id_str | 4771 |
| rights_invalid_str_mv | Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
| spelling | Freire Daniel, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.Barrere Nicasio, Universidad de la República (Uruguay). Facultad de Ciencias. CURE.Martí Arturo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.Cabeza Cecilia, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.Sarasúa Gustavo L., Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.2023-12-04T19:50:32Z2023-12-04T19:50:32Z2022Freire, D, Barrere, N, Martí, A, y otros. "Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media". [Preprint]. Publicado en: Physics (Fluid Dynamics). 2022, arXiv:2205.06049, May 2022, pp 1-10. DOI 10.48550/arXiv.2205.06049https://hdl.handle.net/20.500.12008/4167110.48550/arXiv.2205.06049Publicado también como: Physics of Fluids, 2022, 34(8): 085119. DOI: 10.1063/5.0098826We analyse the flow organization of turbulent fountains in stratified media under different conditions, using threedimensional finite-time Lyapunov exponents. The dominant Lagrangian coherent structures responsible for the transport barriers in three different configurations suggest a self-similarity behaviour. After proposing a criterion for delimiting the boundary surface of the uprising fountain, we quantify the entrainment and re-entrainment rates under fully developed flow conditions using the proper coefficients. Finally, our analysis was applied to the Selective Inverted Sink, a technological application of turbulent fountains, identifying turbulence as the primary mechanism favouring the device’s efficiency.Submitted by Festari Camila (camifestari@gmail.com) on 2023-12-02T05:07:44Z No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 2205.06049.pdf: 7919474 bytes, checksum: 25fbe2fca802bad9934f5cbb59c1aa16 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2023-12-04T19:05:29Z (GMT) No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 2205.06049.pdf: 7919474 bytes, checksum: 25fbe2fca802bad9934f5cbb59c1aa16 (MD5)Made available in DSpace by Seroubian Mabel (mabel.seroubian@seciu.edu.uy) on 2023-12-04T19:50:32Z (GMT). No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 2205.06049.pdf: 7919474 bytes, checksum: 25fbe2fca802bad9934f5cbb59c1aa16 (MD5) Previous issue date: 2022CSIC: Fisica Nolineal (ID 722) Programa Grupos I+D 201810 h.application/pdfenengarXivPhysics (Fluid Dynamics), arXiv:2205.06049, may 2022, pp 1-10Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)Laboratory proceduresLyapunov exponentFlow visualizationFluid flowsNavier Stokes equationsPlume dynamicsTurbulence simulationsTurbulent flowsElucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified mediaPreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaFreire, DanielBarrere, NicasioMartí, ArturoCabeza, CeciliaSarasúa, Gustavo L.LICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/41671/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; 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- Universidad de la Repúblicafalse |
| spellingShingle | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media Freire, Daniel Laboratory procedures Lyapunov exponent Flow visualization Fluid flows Navier Stokes equations Plume dynamics Turbulence simulations Turbulent flows |
| status_str | submittedVersion |
| title | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| title_full | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| title_fullStr | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| title_full_unstemmed | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| title_short | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| title_sort | Elucidating coherent structures, transport barriers and entrainment in turbulent fountains in stratified media |
| topic | Laboratory procedures Lyapunov exponent Flow visualization Fluid flows Navier Stokes equations Plume dynamics Turbulence simulations Turbulent flows |
| url | https://hdl.handle.net/20.500.12008/41671 |
