Index Catalog // ScholarsArchive@OSU

Flow processes in the dry regime : the effect on capillary barrier performance

Creator:: Jansik, Danielle P.
Abstract:: Engineered capillary barriers typically consist of two layers of granular materials designed so that the contrast in sediment hydrologic properties and sloping interface retains infiltrating water in the upper layer. We report here on the results of two bench-top capillary barrier experiments, and associated modeling. These experiments were conducted to...
Resource Type:: Masters Thesis
Full Text:: : Dorthe Wildenschild Engineered capillary barriers typically consist of two layers of granular

Exploring the Wettability States and Contact Angle Variation in Porous Media Multi-Phase Flow Systems

Creator:: Behnoudfar, Diba
Abstract:: The wetting of a surface by a liquid is a crucial part of many natural and industrial processes. Despite numerous existing studies, some elements of wetting-dewetting such as contact angle variation are still poorly understood. Knowledge of contact angle behavior during the flow is necessary for modeling fluid displacements in...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Dorthe Wildenschild

Pore-scale observations of three-fluid-phase transport in porous media

Creator:: Brown, Kendra I.
Abstract:: Understanding the transport of three fluid phases through porous media has important applications in subsurface contaminant remediation, oil and gas recovery, and geological CO₂ sequestration. Existing transport models may be improved by including physical phenomena that govern fluid flow at the pore scale. In particular, thermodynamic arguments suggest that hysteresis...
Resource Type:: Masters Thesis
Full Text:: Observations of Three-Fluid-Phase Transport in Porous Media Abstract approved: Dorthe Wildenschild

Saturation, morphology, and topology of nonwetting phase fluid in bentheimer sandstone; application to geologic sequestration of supercritical CO2

Creator:: Herring, Anna L.
Abstract:: This work examines the impact of a viscosity force parameter, fluid velocity, and a capillary force parameter, interfacial tension, on the saturation, morphology, and topology of NW fluid in Bentheimer sandstone after primary imbibition, drainage, and secondary imbibition. Brine and air (used as a proxy for supercritical CO₂) flow experiments...
Resource Type:: Masters Thesis
Full Text:: approved: Dorthe Wildenschild This work examines the impact of a viscosity force

Optimization of capillary trapping of CO2 sequestration in saline aquifers, Optimization of capillary trapping of CO₂ sequestration in saline aquifers

Creator:: Harper, Elizabeth J.
Abstract:: Geological carbon sequestration, as a method of atmospheric greenhouse gas reduction, is at the technological forefront of the climate change movement. During sequestration, carbon dioxide (CO₂) gas effluent is captured from coal fired power plants and is injected into a storage saline aquifer or depleted oil reservoir. In an effort...
Resource Type:: Masters Thesis
Full Text:: : ___________________________________________________________________________ Dorthe Wildenschild Geological carbon sequestration, as a method of atmospheric greenhouse

Microbial enhanced oil recovery : a pore-scale investigation of interfacial interactions

Creator:: Armstrong, Ryan T.
Abstract:: Current oil production technologies recover only about one‐third to one‐half of the oil originally present in an oil reservoir. Given current oil prices, even a modest increase in oil recovery efficiency is fiscally attractive. One novel approach to increase oil recovery efficiency is a process called microbial enhanced oil recovery...
Resource Type:: Dissertation
Full Text:: Investigation of Interfacial Interactions Abstract approved: Dorthe Wildenschild Current oil

Heat balance of alcoves on the Willamette River, Oregon

Creator:: Bryenton, Andrew G.
Abstract:: Alcoves in some river systems are cooler than the mainstem of the river and provide thermal refugia for aquatic species. An energy balance and sensitivity analysis on 3 alcoves in the Willamette River, Oregon indicate that alcove size and alcove flux determine the degree to which meteorological conditions affect the...
Resource Type:: Masters Thesis

Preasymptotic Dispersion : A Theory that Includes Evolution from the Initial Condition

Creator:: Taghizadeh, Ehsan
Abstract:: The objective of this study is to investigate the dispersion of solute matter introduced into a fully developed laminar flow in a circular capillary tube under preasymptotic regimes. For this purpose, we have used the method of volume averaging to upscale microscale balance equations for the case of diffusion-convection transport...
Resource Type:: Masters Thesis
Full Text:: members Prof. Dorthe Wildenschild, Dr. Liney Arnadottir, and Dr. Matthew Johnston for accepting to be in

Experimental and theoretical analysis of radial porosity in a monodisperse sphere packing

Creator:: Nakamoto, Nathan
Abstract:: This thesis presents an experimental study of radial porosity in a manually filled cylindrical container with glass spheres. The symmetric distribution of bead diameter allowed for normalization of container properties and porosity models. The aspect ratio of the container was approximately 3.9, with tube-to-particle-diameter ratio λ ≈ 24.6 and height-to-particle-diameter...
Resource Type:: Masters Thesis

The effects of engineered coatings and natural organic matter on nanoparticle aggregation

Creator:: McDowell, Shannon A.
Abstract:: In order to better predict the aggregation state of nanomaterials, the factors that influence aggregation must be understood. The combined effects of natural and engineered coatings have been shown to factor into nanoparticle aggregation behavior in preliminary research. In this study, aggregation behaviors of gold nanoparticles with two different engineered...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Flow processes in the dry regime : the effect on capillary barrier performance

Exploring the Wettability States and Contact Angle Variation in Porous Media Multi-Phase Flow Systems

Pore-scale observations of three-fluid-phase transport in porous media

Saturation, morphology, and topology of nonwetting phase fluid in bentheimer sandstone; application to geologic sequestration of supercritical CO2

Optimization of capillary trapping of CO2 sequestration in saline aquifers, Optimization of capillary trapping of CO₂ sequestration in saline aquifers

Microbial enhanced oil recovery : a pore-scale investigation of interfacial interactions

Heat balance of alcoves on the Willamette River, Oregon

Preasymptotic Dispersion : A Theory that Includes Evolution from the Initial Condition

Experimental and theoretical analysis of radial porosity in a monodisperse sphere packing

The effects of engineered coatings and natural organic matter on nanoparticle aggregation

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