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- W3032103675 abstract "Heap leach flow patterns are governed byhydrogeological parameters including, soil properties, saturatedand unsaturated hydraulic conductivity, initial degree ofsaturation, and the method of irrigation. Optimizing productionduring leaching cycles requires knowledge of the hydrogeologicalparameters of the leach heap, and their effect on flow behavior.This thesis research involved quantifying the flow rates ofunsaturated homogenous soil profiles. Finite element numericalmodeling has been utilized to simulate 1-dimensional unsaturatedtransient vertical flow. A series of parametric studies wereconducted to examine how various soil properties and differinginitial and boundary conditions affect percolation and flow.Results indicate that flow and percolation are increased or impededbased on the saturated and unsaturated parameters of the soilprofile. Sensitivity analysis illustrates that the initial degreeof saturation affects hydraulic behaviour relative to soilhydraulic conductivity, matric potential (negative pressure head),and the method of irrigation. At the initial stage of the research,some analyses indicated that numerical instabilities may occurwithin simulations due to selected mesh density, initial time steplength, error tolerance, and the selected form of the unsaturatedRichards Equation." @default.
- W3032103675 created "2020-06-05" @default.
- W3032103675 creator A5017130244 @default.
- W3032103675 date "2013-01-01" @default.
- W3032103675 modified "2023-09-26" @default.
- W3032103675 title "Unsaturated Flow Analysis of Heap Leach Soils" @default.
- W3032103675 hasPublicationYear "2013" @default.
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