Index Catalog // ScholarsArchive@OSU

Organic Phase Inter-Ligand and Metal-Ligand Speciation in TALSPEAK and ALSEP Solvent Extraction Systems

Creator:: Gullekson, Brian J.
Abstract:: Partitioning of trivalent actinides (in particular, americium and curium) from the fission produced light lanthanides is a major concern of used nuclear fuel reprocessing for the purposes of waste disposal. Several solvent extraction processes have been developed to address these chemically difficult separations. The historically employed TALSPEAK Process utilizes di-2-ethylhexyl...
Resource Type:: Dissertation
Full Text:: . ©Copyright Brian J. Gullekson January 6, 2017 All Rights Reserved Organic Phase Inter-Ligand and

Synthesis and testing of a novel soft donor organic extractant molecule for targeted soft metal extraction from aqueous phases

Creator:: Gullekson, Brian J.
Abstract:: Spent nuclear fuel (SNF) resultant from the generation of nuclear power is a chemically and radiologically diverse system which is advantageous to chemically process prior to geologic disposal. Hydrometallurgy is the primary technology for chemical processing for light water reactor spent fuels, where spent fuel is dissolved in an acid...
Resource Type:: Masters Thesis
Full Text:: OF THE THESIS OF Brian J. Gullekson for the degree of Master of Science in Nuclear Engineering

Vacuum Testing of a Small Radioisotope Thermoelectric Generator

Creator:: Mieloszyk, Alexander J.
Abstract:: Radioisotope Power Systems (RPS’s) are a key element to NASA’s deep space exploration programs. As NASA looks towards new generations of smaller, modular spacecraft, appropriately smaller RPS’s will be needed. The Single General Purpose Heat Source Radioisotope Thermoelectric Generator (S-GPHS-RTG) has been developed to fill this role. The S-GPHS-RTG will...
Resource Type:: Honors College Thesis
Full Text:: Generator AN ABSTRACT OF THE THESIS OF Alexander J. Mieloszyk for the degree of Honors

The Development of a Hybrid Particle-in-Cell Simulation Code in C++ for the Modeling of the SPT-70 Hall Thruster

Creator:: Myers, Conner J.
Abstract:: In order to support the growing satellite propulsion industry, a hybrid Particle-In-Cell (PIC) simulation with fluid treatment of electrons and neutral particles was developed to model the SPT-70 Hall thruster. The 2D, C++ code assumes azimuthal symmetry and a uniform magnetic field in the radial direction with the simulation domain...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Brian G. Woods In order to support the growing satellite propulsion industry, a hybrid

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
Full Text:: Robert J. Aldridge for the degree of Master of Science in Nuclear Engineering presented on May 29, 2013

Natural circulation scaling of a pressurized conduction cooldown event in the upper plenum of the modular high temperature gas reactor

Creator:: King, Brian M.
Abstract:: In a Modular High Temperature Gas Reactor (MHGTR), the Pressurized Conduction Cooldown (PCC) event is an accident scenario in which there is a loss of forced convection of the coolant through the system but the pressure boundary remains intact. When the PCC event occurs, natural circulation onsets which results in...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THESIS OF Brian M. King for the

The Modeling of Core-Wide Behavior of Pebble Bed Reactors Using Static and Dynamic Graphite Pebble Properties to Predict Core Performance and Safety Behaviors

Creator:: Cox, Jordan T.
Abstract:: The United States Department of Energy has identified the pebble-bed reactor as a high priority for US research with the end goal of licensing a pebble-bed reactor (PBR) for operation in the United States. Before this can be accomplished significant research must be done regarding the safety of the pebble-bed...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Brian G. Woods The United States Department of Energy has identified the pebble-bed reactor as

Modeling the Fusion Reaction in an Inertial Electrostatic Confinement Reactor with the Particle-in-Cell Method

Creator:: van de Lindt, Jacob
Abstract:: Nuclear fusion has the potential to meet the energy needs of our civilization for centuries to come and does not produce harmful greenhouse gasses or produce long-lasting radioactive waste. A fusion reaction can be readily demonstrated in a confinement scheme known as inertial electrostatic confinement (IEC) fusion. In this work,...
Resource Type:: Honors College Thesis
Full Text:: Brian Woods, Mentor, representing the Department of Nuclear Engineering

Pressure effects on density-difference driven stratified flow : CFD model of DCC event in the HTGR

Creator:: Magnusson, Jill E.
Abstract:: In a Modular High Temperature Gas Reactor (MHTGR), the Depressurized Conduction Cooldown (DCC) event can be separated into three distinct stages: 1) depressurization, 2) air ingress and, 3) natural circulation. During normal operations, the HTGR utilizes forced convection to move the helium coolant through the reactor core. Thus, during normal...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: _____________________________________________________________________ Brian G. Woods

Scaling of the Chinese HTR-PM Reactor Design for Licensing and Testing at the Oregon State University High Temperature Test Facility

Creator:: Cox, Jordan
Abstract:: The United States (US) Department of Energy (DOE) has identified the pebble-bed reactor as a high priority for US research with the end goal of licensing a pebble-bed reactor (PBR) for operation in the United States. Before this can be accomplished significant research must be done regarding the safety of...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Brian G. Woods The United States (US) Department of Energy (DOE) has identified the pebble

ScholarsArchive@OSU

Organic Phase Inter-Ligand and Metal-Ligand Speciation in TALSPEAK and ALSEP Solvent Extraction Systems

Synthesis and testing of a novel soft donor organic extractant molecule for targeted soft metal extraction from aqueous phases

Vacuum Testing of a Small Radioisotope Thermoelectric Generator

The Development of a Hybrid Particle-in-Cell Simulation Code in C++ for the Modeling of the SPT-70 Hall Thruster

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

Natural circulation scaling of a pressurized conduction cooldown event in the upper plenum of the modular high temperature gas reactor

The Modeling of Core-Wide Behavior of Pebble Bed Reactors Using Static and Dynamic Graphite Pebble Properties to Predict Core Performance and Safety Behaviors

Modeling the Fusion Reaction in an Inertial Electrostatic Confinement Reactor with the Particle-in-Cell Method

Pressure effects on density-difference driven stratified flow : CFD model of DCC event in the HTGR

Scaling of the Chinese HTR-PM Reactor Design for Licensing and Testing at the Oregon State University High Temperature Test Facility

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