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Skip to Search Results- 1Beltaos, Angela M
- 1Bullock, Dallin S
- 1Davis, Matthew, B
- 1Dickau, Matthew A
- 1Erland, Broghan
- 1Golshahi, Laleh
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Fall 2023
Background: The COVID-19 pandemic has shown us that our infection prevention and control (IPC) knowledge has some glaring gaps on what best ways to treat dental patients, leading to a flurry of research to understand the best mitigation strategies to reduce aerosols. One of these strategies...
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Boxed-in: Comparing Algorithms for Box-flight Mass-Balance Greenhouse Gas Flux Measurements from Mineable and In Situ Oil Sands Developments
DownloadSpring 2022
To combat global warming, Canada has committed to reducing greenhouse gases (GHGs) 40-45% below 2005 emission levels by 2025. Monitoring emissions and deriving accurate inventories are essential to reaching these goals. GHGs can be measured at a small scale, often using ground measurements which...
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Characterization of Particulate Emissions of Homogeneous Charge Compression Ignition Engines
DownloadFall 2013
The particle size distribution, volatility, and effective density of particulate matter are measured using a cooperative fuel research engine during motoring, spark ignition, and homogeneous charge compression ignition. For all operating modes, less than 5% of the particulate mass remains when...
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Characterization of Particulate Matter Morphology and Volatility for Two Direct-Injection Engines
DownloadFall 2015
Particulate matter emitted from two direct injection engines has been characterized by morphology, volatility, mass-mobility exponent, effective density, and size distribution using tandem measurements from a centrifugal particle mass analyzer (CPMA) and differential mobility analyzers (DMA). The...
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Spring 2024
This work aims to conduct a techno-economic feasibility analysis of adopting a hybrid approach to hydrogen generation. This includes grey hydrogen sourced from natural gas using Steam Methane Reforming (SMR) and green hydrogen from renewable energy. The key focus is on assessing the environmental...
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Development and Applications of an Emissions Micro-Simulation Tool for Transportation Infrastructure Design
DownloadFall 2014
Transportation emissions constitute a significant portion of overall emissions inventories, and contribute to air quality health concerns. Reductions in transportation emissions can be achieved through efficient design of infrastructure, effective policy and regulation, and informed planning...
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Development of Empirical Models to Predict Deposition of Aerosols in the Extrathoracic Airways of Children
DownloadSpring 2012
The experimental studies described in this thesis were performed with the goal of measuring deposition of aerosols, inhaled either nasally or orally, in the extrathoracic airways of children in different age groups. We pursued in vitro methods and characterized the deposition of aerosols in the...
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Evaluation of Mask and Mask Material Suitability for COVID-19 Transmission Protection and Influence of Face Velocity and Exhaled Breath Condensate on Filtration Efficiency
DownloadSpring 2022
Facemask use has been a key public health measure in response to the SARS CoV-2 pandemic; they are used to reduce airborne transmission of the disease amongst the public. The facemasks used by the public are non-medical in nature and therefore are not regulated like medical masks. Cloth masks,...
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Spring 2024
Hydrogen as a fuel has the potential to reduce tailpipe carbon dioxide emissions of vehicles to near-zero, while also allowing for the generation of a hydrogen-based economy and lowering humanity's dependence upon oil. Hydrogen-diesel dual fuel combustion, where hydrogen and diesel are combusted...
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Implementation and Evaluation of Spatiotemporal Prediction Algorithms and Prediction of Spatially Distributed Greenhouse Gas Inventories
DownloadFall 2011
Growing environmental concerns require monitoring and modelling of greenhouse gases. These modelling efforts require processing of massive datasets in a timely fashion. This, in turn, can lead to feasibility problems when estimating values of missing data points. This thesis examines and compares...