Steady and Unsteady Flow Towards Gravity Wells

by Mohammad Ali Mahdaviani,


Serial Information: Journal of the Hydraulics Division, 1967, Vol. 93, Issue 6, Pg. 135-146


Document Type: Journal Paper

Discussion: (See full record)
Discussion: (See full record)
Discussion: (See full record)

Abstract: An attempt to establish a set of curves which relates the height of seepage surface in steady state gravity wells to other geometric and physical characteristics of the surrounding aquifer is presented. The problem of lowering or raising the free surface in the aquifer of unsteady state gravity wells is discussed. The lowering or raising depends on the rate and duration of discharge of the well. The information presented can be used to calculate the drawdown at any point around the well at any time after the start of operation of a gravity well, and to calculate the permeability of the aquifer by gathering field data on the amount of drawdown of the phreatic surface of a gravity well dug in the aquifer.

Subject Headings: Aquifers | Free surfaces | Drawdown (hydrology) | Water table | Curvature | Seepage | Steady states

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