WRRCTR No.125 Numerical Modeling of Liquid Waste Injection into a Two-Phase Fluid System

dc.contributor.author Wheatcraft, Stephen W. en_US
dc.contributor.author Peterson, Frank L. en_US
dc.date.accessioned 2008-08-08T20:38:12Z
dc.date.available 2008-08-08T20:38:12Z
dc.date.issued 1979-08 en_US
dc.description.abstract The injection of liquid wastes into a groundwater environment saturated with density-stratified fluid is simulated by a finite-difference numerical model. The fluid transport equation is simultaneously solved with the convective-dispersion equation for salinity. The migration of the injected liquid waste effluent is then tracked by solving a second convective-dispersion equation for an ideal tracer dissolved in the effluent. The convective-dispersion equation for the ideal tracer is solved with the flow velocities obtained from the simultaneous solution of the fluid transport and the salinity convective-dispersion equations. The equations are solved for the two-dimensional case of a line of injection wells set close together parallel to the coastline. Total length of the line of injection wells is considered to be much longer than the distance to the ocean so that any vertical cross section taken normal to the coastline will appear the same. Results are presented in a time-series of contour maps in the vertical plane: one map for each time-step, with lines of equal concentration for the salinity (isochlors); and the effluent tracer (isopleths). The more concentrated effluent is found to migrate vertically upward around the injection well due to buoyant force, while dilute effluent solutions migrate horizontally, displaying very little buoyant rise. en_US
dc.description.sponsorship Office of Water Research and Technology, U.S. Dept. of Interior Grant/Contract No. A-071-HI 14-34-0001-7025, 7026, 8013 en_US
dc.format.extent ix + 103 pages en_US
dc.identifier.citation Wheatcraft SW, Peterson FL. 1979. Numerical modeling of liquid waste injection into a two-phase fluid system. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 125. en_US
dc.identifier.uri http://hdl.handle.net/10125/2262
dc.language.iso en-US en_US
dc.publisher Water Resources Research Center, University of Hawaii at Manoa en_US
dc.relation.ispartofseries WRRC Technical Report en_US
dc.relation.ispartofseries 125 en_US
dc.subject waste disposal en_US
dc.subject injection en_US
dc.subject groundwater en_US
dc.subject hydrodynamics en_US
dc.subject dispersion en_US
dc.subject numerical analysis en_US
dc.subject Hawaii en_US
dc.subject sandbox model en_US
dc.subject fluid transport equation en_US
dc.subject convective dispersion equation en_US
dc.subject.lcsh Groundwater -- Pollution -- Hawaii -- Mathematical models. en_US
dc.subject.lcsh Injection wells -- Hawaii. en_US
dc.subject.lcsh Waste disposal in the ground -- Mathematical models -- Hawaii. en_US
dc.title WRRCTR No.125 Numerical Modeling of Liquid Waste Injection into a Two-Phase Fluid System en_US
dc.type Report en_US
dc.type.dcmi Text en_US
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