Index Catalog // Hyrax

Ocean surface wind divergence and vorticity co-variability and statistical differences between QuikSCAT and ERA5

Schöpfer:: Jacobs, Robert
Abstract:: I examine the strong co-variability between the surface divergence and vorticity and how it varies with latitude in the Pacific Ocean using surface vector winds from reanalysis and satellite scatterometer observations. This analysis was motivated in part by a significant correlation between divergence and vorticity over the global oceans that...
Resource Type:: Dissertation

Application and Validation of Geant4 Modeling for Optimization of Complex Structures for Fast Neutron Detection

Schöpfer:: Capps, Jacob W.
Abstract:: Fast neutron detection is important to the detection of illicit nuclear materials and can help prevent those materials from being used or transported without discovery. Previous research has shown that Heavy Oxide Inorganic Scintillator crystals can be used to detect fast neutrons by capitalizing on their high inelastic scattering cross...
Resource Type:: Dissertation

Creating Community: A Case Study of Students’ Experiences in Inquiry-Based Learning

Schöpfer:: Schaub, Branwen
Abstract:: We now have broad consensus in the mathematics education research community that active, inquiry-based classrooms provide a wealth of learning benefits for students (Freeman et al., 2014; Laursen et al., 2014; Theobald et al., 2020). Classrooms that utilize inquiry throughout the entire structure of the course, as opposed to the...
Resource Type:: Dissertation

Virtual Element Methods for Magnetohydrodynamics on General Polygonal and Polyhedral Meshes

Schöpfer:: Naranjo, Sebastián
Abstract:: The aim of this dissertation is to construct a virtual element method (VEM) for models in magneto-hydrodynamics (MHD), an area that studies the behavior and properties of electrically conducting ﬂuids such as a plasma. MHD models are a coupling of the Maxwell’s equations for electromagnetics and models for ﬂuid ﬂow....
Resource Type:: Dissertation

Modeling Flow and Transport at Pore Scale with Obstructions

Schöpfer:: Umhoefer, Joseph G.
Abstract:: In this thesis we study mathematical and computational models for phenomena of flow and transport in porous media in the presence of changing pore scale geometries. The differential equations for the flow and transport models at Darcy scale involve the coefficients of permeability, porosity, and tortuosity which depend on the...
Resource Type:: Dissertation

Exploring Student and Expert Understanding of Thermodynamic Potentials, Legendre Transformations, and Independent Variables in Thermodynamics

Schöpfer:: Vignal, Michael
Abstract:: Thermodynamic potentials are energies that can describe a thermodynamic system in terms of different mathematically independent variables. Some of these potentials describe particular thermodynamic systems or processes in particularly convenient ways. In this dissertation, I discuss the different ways that students and experts reason about quantities in thermodynamics within the...
Resource Type:: Dissertation

Amorphous TiO₂ : A Thin Film Synthesis Route to Stabilization of Metastable TiO₂ Brookite

Schöpfer:: Haggerty, James E. S.
Abstract:: Structure-specific synthesis processes are of key importance to the growth of polymorphic functional compounds such as TiO₂, where material properties strongly depend on structure as well as chemistry. The robust growth of the brookite polymorph of TiO₂, a promising photocatalyst, has been difficult in both powder and thin-film forms due...
Resource Type:: Dissertation and Video

Experimental Investigation of the Transition to Natural Convection in HTGR Applications using the Oregon State SFSETF

Schöpfer:: Fishler, Joshua D.
Abstract:: High Temperature Gas Reactors (HTGRs) are positioned to disrupt local and global markets via their unique ability to produce carbon-free process heat, high efficiency power generation, and passively safe operational features. However, significant impediments still exist to delay deployment of this particular technology, including a lack of experimental data, verified...
Resource Type:: Dissertation

Evaluating the Impact of Live Programming on Collaborative Software Development

Schöpfer:: Ghorashi, Seyed Soroush
Abstract:: Collaboration is tricky, but often beneficial in the context of numerous software related activities, from learning core concepts, to the design and implementation of large software products. The growth of online classes, from small structured seminars to massive open online courses (MOOCs), and the isolation and impoverished learning experience some...
Resource Type:: Dissertation

Local Accessibility of Objective, Classical Reality

Schöpfer:: Kincaid, Joshua J.
Abstract:: The fact that measuring a quantum system reduces it to apparently classical behavior, eliminating the interference patterns that are a hallmark of quantumness, cries out for an explanation. That explanation has been provided by the recognition of decoherence,whereby the interference is destroyed by the very interaction that acquires information.We begin...
Resource Type:: Dissertation

Hyrax

Ocean surface wind divergence and vorticity co-variability and statistical differences between QuikSCAT and ERA5

Application and Validation of Geant4 Modeling for Optimization of Complex Structures for Fast Neutron Detection

Creating Community: A Case Study of Students’ Experiences in Inquiry-Based Learning

Virtual Element Methods for Magnetohydrodynamics on General Polygonal and Polyhedral Meshes

Modeling Flow and Transport at Pore Scale with Obstructions

Exploring Student and Expert Understanding of Thermodynamic Potentials, Legendre Transformations, and Independent Variables in Thermodynamics

Amorphous TiO₂ : A Thin Film Synthesis Route to Stabilization of Metastable TiO₂ Brookite

Experimental Investigation of the Transition to Natural Convection in HTGR Applications using the Oregon State SFSETF

Evaluating the Impact of Live Programming on Collaborative Software Development

Local Accessibility of Objective, Classical Reality

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