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Effective dispersion in a chemically heterogeneous medium under temporally fluctuating flow conditions

Autor
Sanchez-Vila, X.; Zavala, G.; Dentz, M.
Tipus d'activitat
Article en revista
Revista
Advances in water resources
Data de publicació
2007-01
Volum
30
Número
5
Pàgina inicial
1342
Pàgina final
1354
DOI
https://doi.org/10.1016/j.advwatres.2006.11.010 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S030917080600217X Obrir en finestra nova
Resum
We investigate effective solute transport in a chemically heterogeneous medium subject to temporal fluctuations of the flow conditions. Focusing on spatial variations in the equilibrium adsorption properties, the corresponding fluctuating retardation factor is modeled as a stationary random space function. The temporal variability of the flow is represented by a stationary temporal random process. Solute spreading is quantified by effective dispersion coefficients, which are derived from the ens...
Paraules clau
Reactive Transport, Transverse Dispersion, Temporal Random Flow, Random Adsorption, Stochastic Modeling, Effective Dispersion
Grup de recerca
GHS - Grup d'Hidrologia Subterrània

Participants