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dc.contributor.author
Almarcha, C.
dc.contributor.author
Trevelyan, P. M. J.
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Riolfo, L. A.
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Zalts, Anita
dc.contributor.author
El Hasi, Claudio Daniel
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D'onofrio, Alejandro Gustavo
dc.contributor.author
De Wit, A.
dc.date.available
2024-09-02T15:42:50Z
dc.date.issued
2010-01
dc.identifier.citation
Almarcha, C.; Trevelyan, P. M. J.; Riolfo, L. A.; Zalts, Anita; El Hasi, Claudio Daniel; et al.; Active Role of a Color Indicator in Buoyancy-Driven Instabilities of Chemical Fronts; American Chemical Society; The Journal of Physical Chemistry Letters; 1; 4; 1-2010; 752-757
dc.identifier.issn
1948-7185
dc.identifier.uri
http://hdl.handle.net/11336/243421
dc.description.abstract
Chemical reactions are able to trigger hydrodynamic flows by changing the density of the solutions across reactive interfaces. In this work, an experimental study of the buoyancy-driven hydrodynamic instabilities that can occur when two miscible reactive solutions of an acid−base system are put in contact in the gravity field shows that the patterns observed and the instabilities taking place strongly depend on the presence of a color indicator. A reaction−diffusion−convection model explains how the color indicator can modify the instability scenarios by affecting the density of the solutions and allows one to numerically recover the observed experimental patterns. The present work clearly demonstrates that color indicators should therefore be used with caution in experimental works devoted to analyze reaction−diffusion−convection patterns and instabilities.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
REACTION-DIFUSSION
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POROUS-MEDIA
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HYDRODYNAMIC-INSTABILITIES
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CHEMICAL-REACTION
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Otras Ingeniería Química
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Ingeniería Química
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Active Role of a Color Indicator in Buoyancy-Driven Instabilities of Chemical Fronts
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-09-02T12:20:19Z
dc.journal.volume
1
dc.journal.number
4
dc.journal.pagination
752-757
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Almarcha, C.. Université Libre de Bruxelles; Bélgica
dc.description.fil
Fil: Trevelyan, P. M. J.. Université Libre de Bruxelles; Bélgica
dc.description.fil
Fil: Riolfo, L. A.. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina
dc.description.fil
Fil: Zalts, Anita. Universidad Nacional de General Sarmiento. Instituto de Ciencias. Área de Química; Argentina
dc.description.fil
Fil: El Hasi, Claudio Daniel. Universidad Nacional de General Sarmiento. Instituto de Ciencias; Argentina
dc.description.fil
Fil: D'onofrio, Alejandro Gustavo. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: De Wit, A.. Université Libre de Bruxelles; Bélgica
dc.journal.title
The Journal of Physical Chemistry Letters
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/jz900418d
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/jz900418d
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