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Numerical Simulation of Solute Transport Instantaneously Injected in a Single Rock Fracture System: Inclusion of a Nonlinear Sorption Term

Published online by Cambridge University Press:  15 February 2011

Yoko Fujikawa  and
M. Fukui
Yoko Fujikawa
Affiliation:
Research Reactor Institute, Kyoto University, Kumatori-Cho, Sennan-Gun, Osaka, 590–04, Japan
M. Fukui
Affiliation:
Research Reactor Institute, Kyoto University, Kumatori-Cho, Sennan-Gun, Osaka, 590–04, Japan
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Abstract

The effect of nonlinear Freundlich sorption isotherm on the transport of sorptive solute in a system of fracture and porous matrix was investigated through numerical simulation. To solve a set of partial differential equations of solute transport with nonlinear term, use of the Laplace transform Galerkin (LTG) technique was investigated. It was shown that the LTG method could be applied successfully to solve quasi-linearized transport equation. Sensitivity analysis showed that nonlinear sorption in porous matrix with order less than 1 increased the skewness of the breakthrough curve. The fitting of experimental effluent data using a transport model with nonlinear isotherms was also conducted.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 353: Symposium – Scientific Basis for Nuclear Waste Management XVIII , 1994 , 371
Copyright
Copyright © Materials Research Society 1995

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