The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids
Resumen:
Transient dynamics in viscoelastic fluids exhibits notable difference with their Newtonian counterpart. In this work we study the changes in the formation and decay of vortex of viscoelastic fluids due to degradation caused by shear stress. With this aim we performed long duration experiments with solutions of polyacrylamide confined between coaxial cylinders. The azimuthal velocity, acquired through digital particle velocimetry, shows oscillations before reaching a steady state. The vortex development is identified by the overshoot, which represents the difference between the maximum velocity and the stationary velocity. Similarly, during the vortex decay, the azimuthal velocity changes direction, and the relevant parameter is the undershoot, representing the maximum velocity of the transient reverse flow. The experimental results show that overshoot and undershoot are closely related to the changes in the viscoelastic properties caused by the mechanical degradation. This effect opens new perspectives in the characterization of the viscoelastic fluids.
| 2023 | |
| Physics - Fluid Dynamics | |
| Inglés | |
| Universidad de la República | |
| COLIBRI | |
| https://hdl.handle.net/20.500.12008/42343 | |
| Acceso abierto | |
| Licencia Creative Commons Atribución (CC - By 4.0) |
| _version_ | 1807522805965651968 |
|---|---|
| author | Guido, Renzo |
| author2 | Sarasúa, Luis Gustavo Martí, Arturo |
| author2_role | author author |
| author_facet | Guido, Renzo Sarasúa, Luis Gustavo Martí, Arturo |
| author_role | author |
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| collection | COLIBRI |
| dc.contributor.filiacion.none.fl_str_mv | Guido Renzo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. Sarasúa Luis Gustavo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. Martí Arturo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física. |
| dc.creator.none.fl_str_mv | Guido, Renzo Sarasúa, Luis Gustavo Martí, Arturo |
| dc.date.accessioned.none.fl_str_mv | 2024-02-01T19:06:35Z |
| dc.date.available.none.fl_str_mv | 2024-02-01T19:06:35Z |
| dc.date.issued.none.fl_str_mv | 2023 |
| dc.description.abstract.none.fl_txt_mv | Transient dynamics in viscoelastic fluids exhibits notable difference with their Newtonian counterpart. In this work we study the changes in the formation and decay of vortex of viscoelastic fluids due to degradation caused by shear stress. With this aim we performed long duration experiments with solutions of polyacrylamide confined between coaxial cylinders. The azimuthal velocity, acquired through digital particle velocimetry, shows oscillations before reaching a steady state. The vortex development is identified by the overshoot, which represents the difference between the maximum velocity and the stationary velocity. Similarly, during the vortex decay, the azimuthal velocity changes direction, and the relevant parameter is the undershoot, representing the maximum velocity of the transient reverse flow. The experimental results show that overshoot and undershoot are closely related to the changes in the viscoelastic properties caused by the mechanical degradation. This effect opens new perspectives in the characterization of the viscoelastic fluids. |
| dc.format.extent.es.fl_str_mv | 14 h. |
| dc.format.mimetype.es.fl_str_mv | application/pdf |
| dc.identifier.citation.es.fl_str_mv | Guido, R, Sarasúa, L y Martí, A. "The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids" [Preprint]. Publicado en: Fluid Dynamics. 2023 arXiv:2312.16345, dec 2023. 14 h. DOI: 10.48550/arXiv.2312.16345 |
| dc.identifier.doi.none.fl_str_mv | 10.48550/arXiv.2312.16345 |
| dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/42343 |
| dc.language.iso.none.fl_str_mv | en eng |
| dc.relation.ispartof.es.fl_str_mv | Fluid Dynamics, arXiv:2312.16345, dec 2023. |
| dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución (CC - By 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 | Physics - Fluid Dynamics |
| dc.title.none.fl_str_mv | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| 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 | Transient dynamics in viscoelastic fluids exhibits notable difference with their Newtonian counterpart. In this work we study the changes in the formation and decay of vortex of viscoelastic fluids due to degradation caused by shear stress. With this aim we performed long duration experiments with solutions of polyacrylamide confined between coaxial cylinders. The azimuthal velocity, acquired through digital particle velocimetry, shows oscillations before reaching a steady state. The vortex development is identified by the overshoot, which represents the difference between the maximum velocity and the stationary velocity. Similarly, during the vortex decay, the azimuthal velocity changes direction, and the relevant parameter is the undershoot, representing the maximum velocity of the transient reverse flow. The experimental results show that overshoot and undershoot are closely related to the changes in the viscoelastic properties caused by the mechanical degradation. This effect opens new perspectives in the characterization of the viscoelastic fluids. |
| eu_rights_str_mv | openAccess |
| format | preprint |
| id | COLIBRI_cfd699c18f0cbcac0d936bc325c44bab |
| identifier_str_mv | Guido, R, Sarasúa, L y Martí, A. "The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids" [Preprint]. Publicado en: Fluid Dynamics. 2023 arXiv:2312.16345, dec 2023. 14 h. DOI: 10.48550/arXiv.2312.16345 10.48550/arXiv.2312.16345 |
| 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:20.500.12008/42343 |
| publishDate | 2023 |
| 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 (CC - By 4.0) |
| spelling | Guido Renzo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.Sarasúa Luis Gustavo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.Martí Arturo, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física.2024-02-01T19:06:35Z2024-02-01T19:06:35Z2023Guido, R, Sarasúa, L y Martí, A. "The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids" [Preprint]. Publicado en: Fluid Dynamics. 2023 arXiv:2312.16345, dec 2023. 14 h. DOI: 10.48550/arXiv.2312.16345https://hdl.handle.net/20.500.12008/4234310.48550/arXiv.2312.16345Transient dynamics in viscoelastic fluids exhibits notable difference with their Newtonian counterpart. In this work we study the changes in the formation and decay of vortex of viscoelastic fluids due to degradation caused by shear stress. With this aim we performed long duration experiments with solutions of polyacrylamide confined between coaxial cylinders. The azimuthal velocity, acquired through digital particle velocimetry, shows oscillations before reaching a steady state. The vortex development is identified by the overshoot, which represents the difference between the maximum velocity and the stationary velocity. Similarly, during the vortex decay, the azimuthal velocity changes direction, and the relevant parameter is the undershoot, representing the maximum velocity of the transient reverse flow. The experimental results show that overshoot and undershoot are closely related to the changes in the viscoelastic properties caused by the mechanical degradation. This effect opens new perspectives in the characterization of the viscoelastic fluids.Submitted by Pintos Natalia (nataliapintosmvd@gmail.com) on 2024-01-31T17:41:21Z No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.48550.arXiv.2312.16345.pdf: 879111 bytes, checksum: 654900c837e1e78a8ed382fe4ad9e960 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2024-02-01T12:22:54Z (GMT) No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.48550.arXiv.2312.16345.pdf: 879111 bytes, checksum: 654900c837e1e78a8ed382fe4ad9e960 (MD5)Made available in DSpace by Seroubian Mabel (mabel.seroubian@seciu.edu.uy) on 2024-02-01T19:06:35Z (GMT). No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.48550.arXiv.2312.16345.pdf: 879111 bytes, checksum: 654900c837e1e78a8ed382fe4ad9e960 (MD5) Previous issue date: 202314 h.application/pdfenengFluid Dynamics, arXiv:2312.16345, dec 2023.Las 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 (CC - By 4.0)Physics - Fluid DynamicsThe effect of mechanical degradation on vortex formation and decay in viscoelastic fluidsPreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaGuido, RenzoSarasúa, Luis GustavoMartí, ArturoLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/42343/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-844http://localhost:8080/xmlui/bitstream/20.500.12008/42343/2/license_urla0ebbeafb9d2ec7cbb19d7137ebc392cMD52license_textlicense_texttext/html; charset=utf-820555http://localhost:8080/xmlui/bitstream/20.500.12008/42343/3/license_textc3353adb4b970603e3b1fce8a9e67d6cMD53license_rdflicense_rdfapplication/rdf+xml; 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- Universidad de la Repúblicafalse |
| spellingShingle | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids Guido, Renzo Physics - Fluid Dynamics |
| status_str | submittedVersion |
| title | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| title_full | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| title_fullStr | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| title_full_unstemmed | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| title_short | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| title_sort | The effect of mechanical degradation on vortex formation and decay in viscoelastic fluids |
| topic | Physics - Fluid Dynamics |
| url | https://hdl.handle.net/20.500.12008/42343 |
