Abstract

The universal type curves for mass transport in radial flow established numerically by Sauty in 1978 have been modified in this paper by using different boundary conditions of high accuracy. The method to determine the hydrodispersive parameters by interpretation of tracer experiments in radial flow using modified approximate analytical solutions is simple and accurate. It is shown that the approximate analytical solutions can be applied to mass transport in radial flow thanks to the introduction of correction factors, although there are large differences between the approximate analytical solutions and numerical solutions for radial flow in certain cases. The correction factors are derived from comparison of the above two solutions. For each case, a verification of this method has been performed by interpretation of numerical data using the approach formulae with the help of estimated correction factors.

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