Sorbing and Non-Sorbing Solute Migration in Rough Fractures with a Multi-Species LGA Model: Dispersion Dependence on Retardation and Roughness
作者： V Pot , A Genty
DOI: 10.1007/S11242-004-1175-2
关键词: Porous medium 、 Taylor dispersion 、 Fick's laws of diffusion 、 Sorption 、 Fracture (geology) 、 TRACER 、 Materials science 、 Dispersion (chemistry) 、 Thermodynamics 、 Mineralogy 、 Surface finish
摘要: A multi-species Lattice-Gas cellular automaton model was applied to the study of migration sorbing and non-sorbing tracers in 2D smooth fractures a series increasing roughness fractures. tenfold increase dispersion tracer calculated highest case compared fracture. Up threefold tracer. These enhanced dispersions were found be Fickian form interpreted terms classical Taylor–Aris dispersion. The effects retardation over identified quantified through semi-empirical relation. additive independent.
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