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Analysis of flow near a dug well in an unconfined aquifer

Sridharan, K and Sathyanarayana, D and Reddy, Siva A (1990) Analysis of flow near a dug well in an unconfined aquifer. In: Journal of Hydrology, 119 (1-4). pp. 89-103.

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Official URL: http://dx.doi.org/10.1016/0022-1694(90)90036-W


A numerical analysis of flow to a dug well in an unconfined aquifer is made, taking into account well storage, elastic storage release, gravity drainage, anisotropy, partial penetration, vertical flow and seepage surface at the well face, and treating the water table in the aquifer and water level in the well as unknown boundaries. The pumped discharge is maintained constant. The solution is obtained by a two-level iterative scheme. The effects of governing parameters on the drawdown, development of seepage surface and contribution from aquifer flow to the total discharge are discussed. The degree of anisotropy and partial penetration are found to be the parameters which affect the flow characteristics most significantly. The effect of anisotropy on the development of seepage surface is very pronounced.

Item Type: Journal Article
Publication: Journal of Hydrology
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 07 Jan 2011 05:45
Last Modified: 07 Jan 2011 05:45
URI: http://eprints.iisc.ac.in/id/eprint/34875

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