Convective Contaminant Transport to Pumping Well

by Thomas E. Reilly, (A.M.ASCE), Hydro.; U.S. Geological Survey, Water Resources Division, Syosset, N.Y.,

Serial Information: Journal of the Hydraulics Division, 1978, Vol. 104, Issue 12, Pg. 1565-1575

Document Type: Journal Paper


Travel time of a contaminant from the water table to a well screen, and its concentration at the well screen at given time intervals, can be determined through a radially symmetric, idealized flow system. Dimensionless flow nets that describe the plug flow of the contaminant are developed through analysis of the two-dimensional radial continuity equation in conjunction with a finite-element simulation of the potential distribution. Results of the study are dimensionless type curves that can be used to calculate travel times and concentrations of the contaminant under a multitude of conditions, for well screens that partially penetrate a small percentage of the aquifer thickness.

Subject Headings: Travel time | Radial flow | Two-dimensional flow | Flow simulation | Finite element method | Pollutants | Pumps | Wells (water)

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