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Subsurface compositional simulation ...

Phelan, Thomas John.

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Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties./
Author:	Phelan, Thomas John.
Description:	281 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 3084.
Contained By:	Dissertation Abstracts International65-06B.
Subject:	Engineering, Environmental. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3137919
ISBN:	0496850897

Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties.
Phelan, Thomas John.

Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties. - 281 p.

Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 3084.

Thesis (Ph.D.)--University of Michigan, 2004.

This work details the development, validation, and application of a multiphase flow and transport modeling framework that incorporates compositionally-dependent interfacial and fluid properties. Features of this framework include rate-limited and pseudo-equilibrium interphase exchange, complex nonlinear partitioning behavior in binary and ternary liquid component systems, spatially and temporally variable fluid properties such as density and viscosity, and spatially and temporally variable interfacial properties such as interfacial tension and contact angle. These variations are reflected in the constitutive relationships of the flow and transport problem (e.g., capillary pressure-saturation, mobility, entrapment, and interphase mass exchange), which allow for the flow and transport problems to be more strongly coupled.

ISBN: 0496850897Subjects--Topical Terms:

783782
Engineering, Environmental.

Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties.
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040 $a UnM $c UnM
100 1 $a Phelan, Thomas John. $3 1929968
245 1 0 $a Subsurface compositional simulation incorporating solute-chemistry dependent interfacial properties.
300 $a 281 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-06, Section: B, page: 3084.
500 $a Chair: Linda M. Abriola.
502 $a Thesis (Ph.D.)--University of Michigan, 2004.
520 $a This work details the development, validation, and application of a multiphase flow and transport modeling framework that incorporates compositionally-dependent interfacial and fluid properties. Features of this framework include rate-limited and pseudo-equilibrium interphase exchange, complex nonlinear partitioning behavior in binary and ternary liquid component systems, spatially and temporally variable fluid properties such as density and viscosity, and spatially and temporally variable interfacial properties such as interfacial tension and contact angle. These variations are reflected in the constitutive relationships of the flow and transport problem (e.g., capillary pressure-saturation, mobility, entrapment, and interphase mass exchange), which allow for the flow and transport problems to be more strongly coupled.
520 $a A simplified one-dimensional numerical implementation of the model was used to examine the impact of porous medium wettability on nonaqueous phase liquid infiltration, entrapment, and mass recovery behavior. A Sherwood number-based mass transfer correlation was developed based upon laboratory studies of the dissolution of tetrachloroethene in fractionally-wet Ottawa sand columns. Results from numerical experiments indicate that both the magnitude and spatial distribution of wettability can significantly influence tetrachloroethene dissolution and mass recovery time.
520 $a Using a two-dimensional implementation of the modeling framework, simulations were conducted to investigate infiltration, entrapment, and dissolution behavior in heterogeneous field scale systems where porous media wettability is correlated to permeability. Simulations reveal considerable differences in predicted depth of nonaqueous phase liquid penetration, extent of vertical spreading, and magnitude of maximum entrapped saturation for the various modeled scenarios. These differences are directly linked to observable variations in effluent concentration and mass recovery predictions obtained from aqueous phase flushing simulations. Results suggest that mass recovery behavior may be highly realization dependent and not closely correlated with geostatistical parameters.
520 $a Additional demonstration of the validity and capabilities of the numerical simulator used herein is presented through the simulation of n-butanol induced density conversion of trichloroethene in one-dimensional laboratory columns. Results indicate that the simulator can accurately simulate n-butanol effluent breakthrough behavior. In addition, an examination of simulated flow and transport behavior demonstrates that the numerical simulator generates internally consistent, physically realistic, mass-conservative results.
590 $a School code: 0127.
650 4 $a Engineering, Environmental. $3 783782
650 4 $a Hydrology. $3 545716
650 4 $a Environmental Sciences. $3 676987
690 $a 0775
690 $a 0388
690 $a 0768
710 2 0 $a University of Michigan. $3 777416
773 0 $t Dissertation Abstracts International $g 65-06B.
790 1 0 $a Abriola, Linda M., $e advisor
790 $a 0127
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3137919