• New approaches in training for in situ visualization of ionizing radiation measurements 

  Chaput, Joseph (2022-08-01)

  Surveying an environment for sources of ionizing radiation requires the use of measurement tools and skills developed from training in order to understand and analyze measurements. Recent advances in technology allow for ...

• Using MELCOR with enhanced predictive capabilities via Thermochimica to model two severe accident cases of a generic BWR with Zry-2 and FeCrAl 

  Breeden, Benjamin A. T. (2022-07-01)

  The primary goal of this work was to enhance MELCOR’s material modelling capabilities via one-way coupling of Thermochimica. MELCOR is a state-of-the-art code used to simulate the severe accident progression of a nuclear ...

• Study of LaBr3 (Ce) detector response to high energy helium ions 

  Nayve, Christian (University of Ontario Institute of Technology, 2022-04-01)

  The space radiation environment is a complex mixed field composed of neutral and charged particles such as photons, protons, alpha, and other particles. The mixture of these different particles creates a challenge in any ...

• Retrospective assessment of human exposures to low dose ionizing radiation using Electron Paramagnetic Resonance (EPR) dosimetry with tooth enamel 

  Ghimire, Lekhnath (2022-04-01)

  This study collected the extracted teeth from people of different ages in the Durham region and analyzed them using the X-band CW EPR spectroscopy. The total dose rate from the natural and anthropogenic sources was 1.9721 ...

• Development of neutron monitor for fusion systems 

  Li, Zhe (2022-04-01)

  Currently, the detection of neutrons employs sensors with a high thermal neutron response embedded in a thermalizing medium. However, this approach does not provide much information on neutron energy and, therefore, is ...

• Special isotopes of the FUGEN nuclear reactor 

  Davis, Timothy R. (2022-04-01)

  The Canadian and Japanese nuclear regulatory bodies have shown dissimilarities between the isotopes considered to be of interest in decommissioning similarly styled heavy water reactors. This research examines the quantity ...

• Study on heat transfer to supercritical water in application to SMRs 

  Dort-Goltz, Nikita (2021-12-01)

  The SuperSafe Reactor (SSR), a small modular reactor (SMR) concept with a supercritical water coolant, was subjected to a thermalhydraulic analysis and an economic analysis of its Levelized Unit of Energy Cost (LUEC). ...

• Improving x-ray operator performance using virtual environments 

  Breitinger, Mark (2021-08-01)

  There are significant limitations in the training for x-ray operators under current regulatory and operational constraints. Advances in technology now allow for the creation of realistic virtual reality environments, which, ...

• A study on the impact of global replacement of fossil fuel based electricity generation, transportation and domestic heating with nuclear generated electricity using a modified VENSIM DICE model 

  Shen, Huan (2021-08-01)

  While much debated across current media, electricity generation using nuclear energy is proposed as one of the means of addressing the global negative impacts of climate change – notably ongoing accumulation of CO2 in the ...

• Computational fluid dynamic investigations of flow through an aged CANDU pressure tube 

  Lu, Zheng (2021-08-01)

  Single-phase, isothermal computational fluid dynamics simulations of twelve simplified CANDUTM 37M fuel bundles sitting in both as-received and aged pressure tubes were performed with Hydra in this work. The predicted ...

• Development and demonstration of a high-performance Gaussian puff model for nuclear emergency training scenarios in unity game engine 

  Gelautz, Paul David (2021-08-01)

  Prompt decision making and implementation of protective actions in the event of a nuclear or radiological emergency require detailed preparations and training. Computer models provide an avenue to simulate the presence of ...

• Characterization of PVA-Borax-fructose gel for the capture of radioactive wastes generated during nuclear decommissioning activities 

  Sarvendran, Vajran Timothy (2021-05-01)

  With the long-term objective of using polymer gels for the capture of solid, liquid and gaseous waste generated from decommissioning works, characterization of gel properties as well as the properties of the individual ...

• Detector integration of severe accident management instrumentation for robotic applications at nuclear reactor facilities 

  Nusrat, Omar (2021-08-01)

  In the aftermath of a nuclear accident, robots can be used to monitor and assess radiological contamination, preventing harmful exposure to plant personnel. In this work, several detectors were evaluated to be supplemented ...

• Study of radio frequency inductively coupled thermal plasma torch (RF ICPT) for radioactive waste treatment: thermoplastics - polyethylene and polyvinyl chloride (PVC) 

  Hassen, Isaac (2021-06-01)

  Despite advancements in technology and many progresses made in effort for radioactive waste (RW) treatment and overall management, there is still no final and ever lasting solution. Among the many RW materials originating ...

• Analysis and optimal planning of nuclear-renewable hybrid energy systems for ships 

  Adham, Md Ibrahim (2021-06-01)

  Ocean-going ships are one of the sources of global GHG emissions. Several actions are being taken to reduce the GHG emissions from maritime vessels, and integration of Renewable Energy Sources (RESs) is one of them. Due ...

• Study of contaminants in plasmas during decommissioning processes 

  Somer, Nicholas (2020-12-01)

  With the intention of eventual development of on-site radionuclide capture technologies, methods to simulate radionuclide behaviour when contaminated components are subjected to plasma-based decommissioning processes are ...

• Evaluation of the bubble spectrometer performance in space-like neutron fields 

  Montague, Talon James (2021-02-01)

  The Space Bubble Detector Spectrometer (SBDS) consists of six bubble detectors each with a different neutron energy threshold. To characterize the spectrometer in a space-like neutron field, a series of experiments were ...

• Planning and optimization of nuclear-renewable micro hybrid energy systems for off-grid applications 

  Abdussami, Md Rafiul (2020-11-01)

  Resilient operation of medium/large scale off-grid energy systems is a key challenge for energy crisis solutions, which requires continuous and sustainable energy resources. In this context, microreactors are incorporated ...

• Electron paramagnetic resonance for dosimetry in freshwater aquatic environments 

  Tzivaki, Margarita (2020-08-01)

  This thesis explores the feasibility of detection of radiological contamination in aquatic environments through Electron Paramagnetic Resonance (EPR) spectroscopy. Exposure of freshwater ecosystems is possible as a result ...

• Experimental investigations of thermodynamic properties of the LiF –CsF binary system and FliNaK 

  Lipkina, Ksenia (2020-07-01)

  Generation IV nuclear power technologies, including various molten salt reactor designs are considered to accommodate growing energy needs with minimal impact on the environment. The development of the molten salt reactor ...

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