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http://dx.doi.org/10.4491/eer.2016.147

Spatial moment analysis of multispecies contaminant transport in porous media  

Natarajan, N. (Department of Civil Engineering, Dr. Mahalingam College of Engineering and Technology)
Kumar, G. Suresh (Petroleum Engineering Programme, Department of Ocean Engineering, Indian Institute of Technology)
Publication Information
Environmental Engineering Research / v.23, no.1, 2018 , pp. 76-83 More about this Journal
Abstract
Spatial moment analysis has been performed on the concentration of the first species in a multispecies solute transport in porous media. Finite difference numerical technique was used in obtaining the solute concentration. A constant continuous source of contaminant was injected at the inlet of the domain. Results suggest that the decaying of solute mass increases as the magnitude of mean fluid velocity increases. The dispersion coefficient is highly time dependent under decaying of solutes with a complex behavior of mixing of solutes. The solute mobility and mixing varies non-linearly with time during its initial period, while the same ceases with higher decay rates of the first species much faster.
Keywords
Dispersion; Mobility; Multispecies transport; Porous media; Spatial moments;
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