Browsing Theses by Supervisor "Daun, Kyle"
Now showing items 1-16 of 16
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Advances in the Modeling of Time-Resolved Laser-Induced Incandescence
(University of Waterloo, 2018-09-20)Aerosolized nanoparticles represent both great potential for the development of emerging technologies and one of the biggest challenges currently facing our planet. In the former case, aerosol-based synthesis techniques ... -
Austenitization of Ultra High Strength Steel by Direct Contact Heating for Hot Forming Die Quenching
(University of Waterloo, 2017-04-25)Hot forming die quenching (HFDQ) is a heat treatment process used in automotive manufacturing to produce ultra-high strength steels. It involves heating steel sheets to a temperature above 1153 K and holding them for a ... -
Bayesian Methods for Gas-Phase Tomography
(University of Waterloo, 2018-09-10)Gas-phase tomography refers to a set of techniques that determine the 2D or 3D distribution of a target species in a jet, plume, or flame using measurements of light, made around the boundary of a flow area. Reconstructed ... -
Developing a Thermometallurgical Model and Furnace Optimization for Austenitization of Al-Si Coated 22MnB5 Steel in a Roller Hearth Furnace
(University of Waterloo, 2019-01-25)Lightweighting of vehicles while preserving crash-worthiness, in order to satisfy stringent restrictions imposed by the government on the automotive industry, has become a sought after solution which can be realized via ... -
Developing and Improving a Thermometallurgical Model for 22MnB5 Steel in a Roller Hearth Furnace
(University of Waterloo, 2022-04-29)Ultra-high strength steel (UHSS) such as Al-Si coated 22MnB5 are commonly used in the hot forming die quenching (HFDQ) process to produce light-weight automotive parts while maintaining good crashworthiness. The steel blank ... -
Development and Characterization of Infrared Broadband Open-Path Hydrocarbon Detectors for Chemical Species Tomography
(University of Waterloo, 2017-02-15)Chemical species tomography (CST) is an emerging diagnostic technique for estimating the spatial distribution of a chemical species of interest. This thesis focuses on using CST to detect and map fugitive hydrocarbon ... -
Effect of Surface State on Radiative Properties of Advanced High Strength Steel Strips
(University of Waterloo, 2021-12-23)Automotive manufacturers increasingly turn to light-weighting through galvanized advanced high strength steels (AHSS) to improve fuel efficiency and reduce pollutant emissions without compromising passenger safety. ... -
Experimental Characterization and Numerical Modelling of the Interfacial Heat Transfer Coefficient in Hot Stamping of Al-Si Coated 22MnB5 Steel
(University of Waterloo, 2023-10-18)In automotive hot stamping of Al-Si coated 22MnB5 steel, the heat transfer coefficient (HTC) between the blank and die is crucial for predicting the mechanical properties of the as-formed part. While average HTCs associated ... -
Investigating laser-nanoparticle interactions using time-resolved laser-induced incandescence
(University of Waterloo, 2021-01-13)Nanotechnology is extending the frontiers of science and technology, mainly through the applications of engineered nanomaterials. For instance, metal nanoparticles have seen wide-spread applications in the fields of ... -
Investigating the evolution of the aluminum-silicon coating on 22MnB5 steel during heating
(University of Waterloo, 2022-04-07)To combat greenhouse gas emissions and improve fuel economy, automotive manufacturers have searched for methods to reduce vehicle weight. As such, hot stamping has become an increasingly popular sheet metal forming technique, ... -
An Investigation into Radiative Property Variations across Pre-Annealed Advanced High Strength Steel Coils
(University of Waterloo, 2023-05-29)In recent years, increasingly stringent crashworthiness and emissions regulations have driven automakers to consider novel materials for automotive lightweighting. Advanced high-strength steels (AHSS) used in automotive ... -
Laser-based aerosolized nanoparticle diagnostics: Enhancing the spectroscopic model
(University of Waterloo, 2020-05-15)The distinct properties of nanoparticles compared to their bulk counterparts makes them a suitable candidate for the development of many emerging technologies, and this presents a demand for scalable production routes. ... -
Microwave plasma synthesis of graphene and its laser-optical in situ characterization
(University of Waterloo, 2022-09-27)Graphene and its derivatives possess exceptional electrical, mechanical, and thermal properties, which enable the use of these materials in numerous existing and emerging applications. Accordingly, large-scale graphene ... -
Quantification of Flare Combustion Efficiency through Mid-Wavelength Infrared Spectroscopy
(University of Waterloo, 2022-08-26)Flares convert unwanted hydrocarbon emissions into carbon dioxide to be disposed into the atmosphere. Although this conversion reduces the oil and gas industry’s greenhouse gas inventory, it is still responsible for ... -
Quantitative Optical Gas Imaging using Broadband Mid-wavelength Infrared Single-Channel and Multispectral Cameras
(University of Waterloo, 2022-11-25)Quantifying and limiting methane emissions from upstream oil and gas is an efficient strategy to reduce anthropogenic climate change and has received considerable attention from regulators in recent years. Quantification ... -
Time Resolved Laser Induced Incandescence Analysis of Metal Aerosols
(University of Waterloo, 2016-08-29)Synthetic nanoparticles are finding widespread adoption in a growing number of commercial and research applications. Their size dependent properties offer researchers a variety of ranging including targeted drug delivery, ...