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- Title
Contaminant transport in one-dimensional single fractured media: semi-analytical solution for three-member decay chain with pulse and Heaviside input sources.
- Authors
Ching-Fang Shih, David
- Abstract
A semi-analytical solution of the one-dimensional transport for considering a three-member decay chain in a single fracture with pulse and Heaviside input sources has been studied using the Laplace transform and its numerical inversion. The results reveal that breakthrough curves of dimensionless concentration for the decay chain of Np-237, U-233, and Th-229 in the fracture can be well demonstrated in the temporal and spatial domains. The conditions with and without retardation effects are also compared. During the preliminary screening phase the solutions are suitable for performance assessment on radioactive waste disposal sites under a one-dimensional single fracture condition.
- Subjects
GROUNDWATER research; GROUNDWATER pollution; WATER pollution; RADIOISOTOPES &; the environment; RADIOACTIVE waste disposal research; RADIOACTIVE waste sites; RADIOACTIVE pollution; INDUSTRIAL pollution; ROCK deformation; DIFFUSION in hydrology; POROUS materials; FLUID dynamics
- Publication
Hydrological Processes, 2007, Vol 21, Issue 16, p2135
- ISSN
0885-6087
- Publication type
Article
- DOI
10.1002/hyp.6363