Analysis of Radial Transport of Reactive Tracer in Porous Media

Abstract

Summary This paper presents some new close-form analytical solutions to equations describing radial transport of reactive tracers in porous media under conditions of tracer adsorption, nonuniform convection, and variable dispersion coefficient. Three different types of variable dispersion coefficients were considered and exact solutions presented in Laplace space. The special case where shear mixing or convection dominates dispersion, which is important for tracer test studies, was programmed on a computer to obtain concentration profiles for the continuous- and slug-injection test models.