Analytical Model for Computing Residence Times Near a Pumping Well

M.J. Simpson, T.P. Clement, F.E. Yeomans

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An analytical solution for calculating the residence time of fluid flowing toward a pumping well in an unconfined aquifer has been developed. The analytical solution was derived based on a radial, steady-state, Dupuit-Forchheimer flow model. The resulting integral, expression involved computing the imaginary error function, for which a simple series expansion is proposed. The validity of the analytical expression is demonstrated by testing its results against numerical results for an example problem. The analytical solution compared favorably with the numerical approximation.
Original languageEnglish
Pages (from-to)351-354
JournalGround Water
Volume41
Issue number3
DOIs
Publication statusPublished - 2003

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