Index Catalog // ScholarsArchive@OSU

Hartree-Fock electronic structure calculations forfree atoms and immersed atoms in an electron gas

Creator:: Walsh, Kenneth Charles
Abstract:: Electronic structure calculations for free and immersed atoms are performed in the context of unrestricted Hartree-Fock Theory. Spherical symmetry is broken, lifting de-generacies in electronic conﬁgurations involving the magnetic quantum number m. Basis sets, produced from density functional theory, are then explored for completeness. Com-parison to spectroscopic data is done...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Kenneth Charles Walsh for the degree of

Light Pollution and the Limiting Visual Magnitude in Corvallis, Oregon

Creator:: Grellmann, Carsten Christof
Abstract:: This study sought to ascertain the degree to which the night sky of Corvallis is affected by light pollution by determining the limiting visual magnitude. Defined as the brightness of the dimmest star that can be seen with the averted naked eye, the limiting visual magnitude establishes a quantitative standard...
Resource Type:: Honors College Thesis
Full Text:: Acknowledgements I would like to thank my mentor, Dr. Richard Peterson, and my committee members, Dr. Kenneth

An investigation into the feasibility of neutron activating holmium-loaded, polymeric microspheres in the thermal column of a TRIGA reactor using MCNP5 simulation models

Creator:: Barreda, Gerardo E.
Abstract:: In intra-arterial radioembolization, nano- and micro-scaled carriers are used in patients with liver tumors that cannot be removed by surgery to deliver various radioisotopes with the aim of improving the outcome of tumor radiotherapy, of minimizing dose to healthy tissue, and of improving the quality of the diagnosis and imaging....
Resource Type:: Masters Thesis
Full Text:: made of poly (L-lactic acid) (PLLA) which is both biodegradable and biocompatible. In addition, as

Scaling study of the depressurized conduction cooldown event in the high temperature test facility using RELAP5-3D/ATHENA

Creator:: Aldridge, Robert J.
Abstract:: In 2008, the Department of Energy (DOE) and Nuclear Regulatory Commission (NCR) decided that the Next Generation Nuclear Plant (NGNP) would be the Very High Temperature Reactor (VHTR). In support of the licensing and validation effort of the VHTR, Oregon State University was tasked with designing, building, and operating a...
Resource Type:: Masters Thesis

RELAP5-3D modeling of ADS blowdown of MASLWR facility

Creator:: Bowser, Christopher Jordan
Abstract:: Oregon State University has hosted an International Atomic Energy Agency (IAEA) International Collaborative Standard Problem (ICSP) through testing conducted on the Multi-Application Small Light Water (MASLWR) facility. The MASLWR facility features a full-time natural circulation loop in the primary vessel and a unique pressure suppression device for accident scenarios. Automatic...
Resource Type:: Masters Thesis
Full Text:: flux. q′′l = q ′′ v (2.7) 20 where the heat flux from the liquid film to the wall is determined by

Comparison of two commercial detector arrays for RapidArc quality assurance

Creator:: Asay, Matthew Jamin
Abstract:: Radiation therapy is used in approximately half of all cancer treatments. The rapid advances in radiation therapy have led to techniques that are much more complex and therefore must be more carefully assessed for safety and efficacy. Accurate quality assurance methods must be implemented to provide patient safety and confidence...
Resource Type:: Masters Thesis
Full Text:: ). 4. K. Otto, Medical Physics 35 (1), 310-317 (2008). 5. L. Cozzi, K. A. Dinshaw, S. K. Shrivastava

Reactor physics model of the Advanced Test Reactor using TRIGA® fuel through application of Serpent 2

Creator:: Lyons, Jennifer
Abstract:: The Advanced Test Reactor (ATR), under the Reduced Enrichment for Research and Test Reactors (RERTR) Program and the Global Threat Reduction Initiative (GTRI), is conducting feasibility studies for the conversion of its fuel from a highly enriched uranium (HEU) composition to a low enriched uranium (LEU) composition. These studies have...
Resource Type:: Masters Thesis

The MiniSpec : a low-cost, compact, FPGA-based gamma spectrometer for mobile applications

Creator:: Becker, Eric M.
Abstract:: There is a significant role in emergency response and personal radiation safety that can be played by a compact radiation detector that is capable of identifying radionuclides. Herein is described the design, construction, and characterization of a small, low-cost, low-power gamma ray spectrometer prototype intended to fill this role, conducted...
Resource Type:: Masters Thesis
Full Text:: , shown in figure 15. 26 di ffe re nt ia l d riv er Fi gu re 1 5. S ch em

Extending the applicability of implicit Monte Carlo Diffusion : frequency dependence and variance reduction using the difference formulation

Creator:: Cleveland, Mathew A.
Abstract:: The intent of this work is to extend Implicit Monte Carlo Diffusion (IMD)[Gen. 2001] to account for frequency dependence and to incorporate the difference formulation[Szo. 2005] as a source manipulation variance reduction technique. This work shows the derivation of the probabilities and the associated proofs which govern the frequency dependent...
Resource Type:: Masters Thesis

An iterative investigation into the implementation of handheld computers as learning tools in a science museum

Creator:: Phipps, Molly E.
Abstract:: In this study I discuss the state of Free-Choice Learning research, and an investigation into the use of personal ubiquitous technology on visitors' experiences at a science center. The three manuscripts included in this document: 1. Review published research on free-choice learning from 1997-2007 from selected journals 2. Examine visitors'...
Resource Type:: Dissertation
Full Text:: committee Emily van Zee, Kerry Carlin-Morgan, Michael Harte, and Kenneth Krane, thank you for your

ScholarsArchive@OSU

Hartree-Fock electronic structure calculations forfree atoms and immersed atoms in an electron gas

Light Pollution and the Limiting Visual Magnitude in Corvallis, Oregon

An investigation into the feasibility of neutron activating holmium-loaded, polymeric microspheres in the thermal column of a TRIGA reactor using MCNP5 simulation models

Scaling study of the depressurized conduction cooldown event in the high temperature test facility using RELAP5-3D/ATHENA

RELAP5-3D modeling of ADS blowdown of MASLWR facility

Comparison of two commercial detector arrays for RapidArc quality assurance

Reactor physics model of the Advanced Test Reactor using TRIGA® fuel through application of Serpent 2

The MiniSpec : a low-cost, compact, FPGA-based gamma spectrometer for mobile applications

Extending the applicability of implicit Monte Carlo Diffusion : frequency dependence and variance reduction using the difference formulation

An iterative investigation into the implementation of handheld computers as learning tools in a science museum

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