# Dispersion from Sources in Nonuniform Seepage Flow

*The concentration distribution due to dispersion of contaminant from a line source or a point source in a nonuniform flow through a porous medium is found to be described by rather simple...*

Solution of Diffusion Equation

*The nonlinear diffusion equation governing the unsteady and unsaturated one-dimensional flow in porous media is solved numerically by using the linearized form of transformed, ordinary...*

Wastewater Recharge and Dispersion in Porous Media

*For steady flow between a recharging and a pumping well, in an infinite, confined aquifer of homogeneous, isotropic media, theoretical expressions are developed for the spatial and temporal...*

Dispersion in Layered Porous Media

*Analytical solutions have been obtained to two problems of dispersion in a layered porous medium. The solution for longitudinal dispersion in flow perpendicular to the layers is given...*

Similitude for Drainage of Soils

*The similarity condition was applied to nonsteady flow of liquids in partially saturated porous media. Inspectional analysis was applied to the differential equation describing two-phase...*

Free Surface Flow in Porous Media

*A nonlinear theory is given for steady, two-dimensional seepage from a series of triangular channels and from a single triangular channel into permeable soil underlain at a finite depth...*

Nonsteady-State Drainage from Porous Media

*The validity of numerical solutions of nonsteady-state, one-dimensional, vertical drainage problems was evaluated by comparison with experimental data. Experimental data included simultaneous...*

Two-Dimensional Dispersion

*The dispersion of a pollutant solution in a flow through a porous medium was investigated. A theoretical solution was obtained for the general, two-dimensional, convective-dispersion equation...*

Two Solutions of Free-Surface Flow in Porous Media

*The movement of the decaying free-surface mound over an aquifer of infinite depth is investigated. Because the problem involves the solution of Laplace equation with a nonlinear boundary...*

Laminar Flow Between Porous Disks

*The equation of motion for steady, incompressible, axially symmetric flow between parallel porous disks have been solved. The flow is entirely the result of either suction or injection...*

Similitude for Drainage of Soils

Resistance to Laminar Flow Through Porous Media

*The equations for laminar flow through porous media for the linear and nonlinear regimes, are derived from a consideration of the hydrodynamic drag forces on individual particles. The...*

Experiments on Lateral Dispersion in Porous Media

*Experiments are carried out to determine the coefficient,*D , of lateral dispersion in flow through porous media, with values of R between 0.3...

Properties of Porous Media Affecting Fluid Flow

*Following the Burdine approach, based on a model developed by Wyllie and Spangler, a theory is presented that develops the functional relationships among saturation, pressure difference,...*

Deep Well Waste Injection - Reaction with Aquifer Water

*Deep-well injection is a promising method for permanently storing some liquid wastes. The influence of reactions between injected and interstitial waters on aquifer permeability is a problem...*

Initial Motion Problem in Porous Media

*The Lagrangian equations of fluid mechanics are used to solve the problem of rapid drawdown adjacent to a steep earth embankment. The equations are solved for the pressure and the shape...*

Shock and Reflection in a Nonlinear Medium

*One-dimensional shock wave propagation and reflection phenomena in a nonlinear medium are investigated. The medium is of decreasing compressibility, its stress-strain curve has a general...*

Band Diffusion with Variable Parameters Along Flow

*The diffusion equation with variable parameters along the flow can be solved when the diffused quantity is confined to a narrow band. Solutions are obtained for diffusion from a line source...*

Turbulent Flow in Porous Media

*An equation applicable for both laminar and turbulent flow in porous media has been developed and experimentally verified. This equation expresses the pressure drop per unit length as...*

Dispersion and Adsorption in Porous Media Flow

*A mathematical analysis is presented of the phenomenon of simultaneous dispersion and adsorption of a solute in porous media flow. Mathematical solutions are given that refer to the case...*

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