Browsing University of Missouri-Columbia by Thesis Department "Nuclear engineering (MU)"
Now showing items 21-40 of 96
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Development of instrumentation and techniques for preclinical image guided microirradiation
(University of Missouri--Columbia, 2012)Radiation therapy accounts for more than half of cancer treatments in the US, and in order to provide the most effective treatment to patients, new developments are implemented each year. Before a novel radiation therapy ... -
Development of MURR flux trap model for simulation and prediction of sample loading reactivity worth and isotope production
(University of Missouri--Columbia, 2007)University of Missouri Research Reactor (MURR) is the highest power university research reactor in America. It has been supplying various radioisotopes for more than 20 years. The flux trap, locating in the center island ... -
Development of unfolded fast neutron irradation positions at a 16.5 MeV GE PETtrace cyclotron and chronomorphic characterization of radiation damage on polyurethane
(University of Missouri--Columbia, 2018)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The fast neutron energy flux spectrum was determined at a fluorine-18 ([subscript 18]F) producing cyclotron which is operated at the Missouri University ... -
Direct simulation Monte Carlo exploration of charge effects on aerosol evolution
(University of Missouri--Columbia, 2012)Aerosols are potentially generated both during normal operations in a gas cooled Generation IV nuclear reactor and in all nuclear reactors during accident scenarios. These aerosols can become charged due to aerosol generation ... -
Direct simulation Monte Carlo for modeling spatially homogeneous multi-component aerosols
(University of Missouri--Columbia, 2018)Nuclear aerosols generated under normal operational and post-accident reactor environments are of particular importance in estimation of the nuclear source term. Several light water reactor aerosol containment experiments ... -
Direct simulation Monte Carlo study of phonon heat conduction in solid nuclear fuels
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Heat transfer in solid nonmetallic thin films can be best described by the phonon Boltzmann transport equation (BTE). In this study, the direct simulation ... -
Discrete NaI(TI) crystal detector optimization for small animal SPECT molecular imaging
(University of Missouri--Columbia, 2005)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Dual-modality imaging instrumentation has allowed the noninvasive analysis of preclinical models of human disease. A combined microSPECT/CT unit (Siemens) ... -
The dissolution rate of unirratiated UO₂ under repository conditions: the influence of fuel and water chemistry, dissolved oxygen, and temperature
(University of Missouri--Columbia, 2008)As part of the performance assessments of proposed geologic repositories the effects of temperature, dissolved O₂, and water and fuel chemistry on the dissolution rates of spent fuel are necessary to provide a quantitative ... -
Dosimetric properties and radiation hardness of the storage phosphor europium doped potassium chloride for radiation therapy dosimetry
(University of Missouri--Columbia, 2011)Multidimensional reusable dosimeters are extremely important for characterizing the complex dose distributions associated with modern radiation therapy techniques, such as intensity modulated radiation therapy (IMRT). In ... -
Dosimetry to evaluate the effect of Phosphoromidon on Lu-177-RM2
(University of Missouri--Columbia, 2016)The human body is comprised of trillions of cells. In the healthy case, human cells divide naturally in a controlled manner in order to replace cells as needed. The process in which the body's cells divide continually in ... -
DSMC multicomponent aerosol dynamics : sampling algorithms and aerosol processes
(University of Missouri--Columbia, 2007)The focus of this research is on the use of the Direct Simulation Monte Carlo (DSMC) technique to elucidate the role of various phenomena that influence the evolution of nuclear aerosols. Several sampling algorithms and ... -
The effect of uncertainty in "field of the day" treatment regimes in proton therapy
(University of Missouri--Columbia, 2015)Purpose: A common practice in proton therapy is to plan a treatment using multiple fields, but only deliver a subset of those fields for each fraction. This practice could lead to increased uncertainty in the treatment. ... -
Effects of beta radiation on nanostructured semiconductor devices for low energy radiation sensing
(University of Missouri--Columbia, 2021)Beta radiation detection currently relies primarily on scintillation detectors. However, the construction of these detectors tends to be large which significantly limits their applicability for field-use. A nanostructured ... -
Exploration of an electron linear accelerator-driven photoneutron source for BNCT
(University of Missouri--Columbia, 2016)A computational model of a proof-of-concept photoneutron source experiment was created and benchmarked. The neutron output from this system could be used for a number of therapies including Boron Neutron-Capture Therapy, ... -
An exploration of chemical agents detection using the quantum fingerprint [superscript TM] technology
(University of Missouri--Columbia, 2009)The detection of chemical agents using a novel, gas-phase, sensor technology has been examined experimentally in this work. The goal of the work was to determine the feasibility of using solid-state materials as gas-phase ... -
Fuel depletion analyses at the Missouri University Research Reactor
(University of Missouri--Columbia, 2006)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In developing, assembling and updating safety analysis cases for nuclear power and research reactors, fuel depletion plays a major role and ultimately ... -
Generation of graphite particles by abrasion and their characterization
(University of Missouri--Columbia, 2015)Characterization of graphite particles (dust) produced by abrasion that would occur in an operating pebble bed reactor is of interest for reasons of safety, operation, and maintenance. To better understand this abrasion ... -
Generation of graphite particles by rotational/spinning abrasion and their characterization
(University of Missouri--Columbia, 2011)Graphite particle generation by inter-pebble abrasion and by abrasion of pebbles with the containment vessel during operation of a Pebble Bed Reactor (PBR) is an issue of interest in the safety analysis of this class of ... -
Generation, collection and characterization of nanoparticles and their diffusion in arbitrary tumor and normal tissue geometry
(University of Missouri--Columbia, 2010)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Nanoparticles have unique electronic, optical, mechanical, magnetic and chemical properties that are significantly different from those of the bulk ... -
Helium segregation and migration behavior near symmetric tilt grain boundaries in tungsten
(University of Missouri--Columbia, 2018)Tungsten, one of the most important divertor materials in nuclear fusion devices, will be subject to high-flux helium plasma, which can lead to unexpected structural defects and irregular microstructure such as fuzz and ...