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Cotta,Renato M.; Naveira-Cotta,Carolina P.; Genuchten,Martinus T.; Su,Jian; Quaresma,João N.N.. |
Abstract: The Generalized Integral Transform Technique (GITT) was employed to simulate transient one-dimensional flow in variably saturated porous media, as well as radioactive waste transport within different layers (a solid waste pile, nearby soil, and a granular aquifer) towards the edge of a uranium mining installation under institutional control. Computational codes, written using the Mathematica software system, were implemented and tested for solution of the coupled advection-dispersion equations for an arbitrary number of daughter products within a radioactive chain migrating in saturated and unsaturated soil layers. The computer simulations were verified in great detail against results obtained using the built-in routine NDSolve of the Mathematica... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Uranium mining; Radioactive waste leaching; Unsaturated porous media; Physical non-equilibrium transport; Hybrid methods; Generalized Integral Transform Technique (GITT). |
Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652020000101102 |
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