Abstract:
In this article we study the mass tracer dispersion in organized flows. For this purpose we performed experiments in the flow arising from the Taylor-Couette hydrodynamic instability combined with, axial flow. The tracer evolution is followed by means of optical measurements of the concentration. In this way transmission curves are obtained. We compare these curves with the solutions of the Gaussian models of mass diffusion and with phenomenological models including tracer trapping in the cells. This comparison gives us physical parameters related to the typical time and distances involved in the diffusive behaviour of tracers in the regions with recirculations and trapping. © Les Éditions de Physique 1997.
Registro:
Documento: |
Artículo
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Título: | Hydro dynamical dispersion in taylor-couette cells |
Autor: | Piva, M.; Calvo, A.; Aguirre, A.; Callegari, G.; Gabbanelli, S.; Rosen, M.; Wesfreid, J.E. |
Filiación: | Grupo de Medios Porosos, Departamento de Física, UBA Paseo Colón 850, 1063 Buenos Aires, Argentina Physique et Mécanique de Milieux Hétérogènes(PMMH), École Sup. de Physique et Chimie Industrielles de Paris (ESPCI), 10 rue Vauquelin, 75231 Paris Cedex 05, France URA CNRS N857
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Palabras clave: | Axial flow; Bifurcation (mathematics); Diffusion in liquids; Mass transfer; Mathematical models; Optical variables measurement; Thermal diffusion in liquids; Turbulent flow; Gaussian models; Recirculations; Taylor Couette flows; Tracer dispersion; Hydrodynamics |
Año: | 1997
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Volumen: | 7
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Número: | 4
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Página de inicio: | 895
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Página de fin: | 908
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DOI: |
http://dx.doi.org/10.1051/jp3:1997164 |
Título revista: | Journal de Physique III
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ISSN: | 11554320
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11554320_v7_n4_p895_Piva |
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Citas:
---------- APA ----------
Piva, M., Calvo, A., Aguirre, A., Callegari, G., Gabbanelli, S., Rosen, M. & Wesfreid, J.E.
(1997)
. Hydro dynamical dispersion in taylor-couette cells. Journal de Physique III, 7(4), 895-908.
http://dx.doi.org/10.1051/jp3:1997164---------- CHICAGO ----------
Piva, M., Calvo, A., Aguirre, A., Callegari, G., Gabbanelli, S., Rosen, M., et al.
"Hydro dynamical dispersion in taylor-couette cells"
. Journal de Physique III 7, no. 4
(1997) : 895-908.
http://dx.doi.org/10.1051/jp3:1997164---------- MLA ----------
Piva, M., Calvo, A., Aguirre, A., Callegari, G., Gabbanelli, S., Rosen, M., et al.
"Hydro dynamical dispersion in taylor-couette cells"
. Journal de Physique III, vol. 7, no. 4, 1997, pp. 895-908.
http://dx.doi.org/10.1051/jp3:1997164---------- VANCOUVER ----------
Piva, M., Calvo, A., Aguirre, A., Callegari, G., Gabbanelli, S., Rosen, M., et al. Hydro dynamical dispersion in taylor-couette cells. 1997;7(4):895-908.
http://dx.doi.org/10.1051/jp3:1997164