Browsing Theses by Title
Now showing items 3679-3698 of 15554
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Development of Sustainable Asphalt Mix Solution for use in Approach Intersection Pavements in Southern Ontario
(University of Waterloo, 2023-04-24)Due to the continuous rise in heavy truck traffic and the impacts of climate change, York Region is facing premature pavement failure at many of its heavy truck traffic intersections, primarily in the form of deformation ... -
Development of Sustainable Superhydrophobic Surfaces for Water Manipulation
(University of Waterloo, 2023-08-21)The thesis focuses on developing sustainable superwettable surface systems for efficient water harvesting and manipulation. Inspired by nature, we developed superhydrophobic surfaces with adjustable hydrophilicity via ... -
The Development of System Identification Approaches for Complex Haptic Devices and Modelling Virtual Effects Using Fuzzy Logic
(University of Waterloo, 2005)Haptic applications often employ devices with many degrees of freedom in order to allow the user to have natural movement during human-machine interaction. From the development point of view, the complexity in ... -
Development of Terahertz Quantum Cascade Lasers with Novel Quantum Designs
(University of Waterloo, 2021-06-01)Terahertz (THz) quantum cascade lasers (QCLs) are arguably the most promising THz radiation source, as they have high output power and efficiency. The main limitation of THz QCLs is the need of a cooling system due to the ... -
Development of Terahertz Quantum Well Photodetector at 3 THz
(University of Waterloo, 2019-04-05)This thesis reports a new terahertz (𝑓=3.22 THz) quantum well photodetector (THz QWP) as well as comprehensive numerical models simulating device active region and different grating couplers including traditional diffraction ... -
Development of the Aprotic Lithium-Oxygen Battery System
(University of Waterloo, 2015-11-10)With the increasing importance of electrified transport, the need for high energy density storage is also increasing. Possible candidates include Li-O2 batteries, which are the subject of rapidly increasing focus worldwide ... -
Development of the Dipole Flow and Reactive Tracer Test (DFRTT) for Aquifer Parameter Estimation
(University of Waterloo, 2009-01-22)The effective and efficient remediation of contaminated groundwater sites requires site specific information regarding the physical, chemical and biological properties of the aquifer. Building on the dipole flow test (DFT) ... -
Development of the integration of microwave technology with microfluidic systems for sensing and heating
(University of Waterloo, 2021-03-19)Microfluidics-based Lab-on-a-Chip platforms have drawn ever-increasing attention from both academy and industry due to their advantages for dealing with small volume of fluids and for integrating multiple processes into ... -
Development of the interRAI Brief Mental Health Screener to Enhance the Ability of Police Officers to Identify Persons with Serious Mental Disorder
(University of Waterloo, 2013-04-30)Background: Police officers are often the first to respond when persons experience a mental health crisis in the community. They must de-escalate volatile situations involving persons with serious mental disorder (PSMD) ... -
Development of the Synthesis of Thiophene and Thiazole Based Conjugated Polymers Through Direct Arylation and The Separation of Carbon Nanotubes Using Degradable Conjugated Polymers
(University of Waterloo, 2023-01-30)Conjugated polymers are an ever-growing field due to their ability to be used for a variety of purposes such as photovoltaics, field-effect transistors, light emitting diodes, and organic sensors. To further this field, ... -
Development of Transformations between Designed and Built Structural Systems and Pipe Assemblies
(University of Waterloo, 2015-08-13)Fabrication of steel assemblies is a challenging process using existing machines to perform the tasks involved such as cutting, drilling, and punching. Due to inaccuracies in the fabrication processes, imperfections will ... -
Development of Triboelectric Devices for Self-powered Sensing And Energy Harvesting Applications
(University of Waterloo, 2019-09-18)Due to the bulky size and limited lifespan of batteries, remote charging and energy har- vesting from the environment are becoming two trends to power miniaturized electronics. Tri- boelectric nanogenerator (TENG) is an ... -
Development of Tunable RF Integrated Passive Devices
(University of Waterloo, 2017-05-11)Radio frequency (RF) lumped elements are crucial building blocks for designing any type of passives circuits for RF front-end applications in mobile devices. In particular, high-quality (Q) factor lumped elements are ... -
Development of Ultrasonic Devices for Non-destructive Testing: Ultrasonic Vibro-tactile Sensor and FPGA-Based Research Platform
(University of Waterloo, 2020-04-29)This thesis is focused on the development of ultrasonic devices for industrial non-destructive testing (NDT). Ultrasound is generated from mechanical vibrations and then propagates through the medium. Ultrasonic devices ... -
Development of Unit Price Indices and Estimating Inflation for Potable Water and Wastewater Pipeline Capital Works Construction
(University of Waterloo, 2017-05-17)The importance of sustainable financial management of water and wastewater pipeline infrastructure has grown in recent years due to the increasing backlog of maintenance, renewal and replacement of aging water and wastewater ... -
Development of visual acuity and contrast sensitivity in children
(University of Waterloo, 2011-07-11)Purpose: There is little agreement on the age at which visual acuity (VA) and contrast sensitivity (CS) become adult-like. The ultimate purpose of this thesis was to determine whether VA and CS are adult-like at the age ... -
Development of Wastewater Collection Network Asset Database, Deterioration Models and Management Framework
(University of Waterloo, 2010-07-06)The dynamics around managing urban infrastructure are changing dramatically. Today’s infrastructure management challenges – in the wake of shrinking coffers and stricter stakeholders’ requirements – include finding better ... -
Development of Waterloo Robotic Rollator (WATRR)
(University of Waterloo, 2021-04-28)One of the major risk factors for impaired mobility is aging, and with the aging population on the rise, the demand for assistive technologies for individuals with mobility impairment is at an all time high. Impaired ... -
Development of weak cation exchange membrane adsorbers for protein capture
(University of Waterloo, 2015-09-21)To reduce therapeutic protein production costs in bioprocessing such as monoclonal antibodies production, the downstream purification step needs to be optimized. Protein A resins for the chromatographic purification of ... -
Development of wind resource assessment methods and application to the Waterloo region
(University of Waterloo, 2013-06-13)A wind resource assessment of two sites in the Waterloo region, WRESTRC and RIM Park, was conducted using wind speed, wind direction, temperature and pressure data collected from meteorological towers for over two years. ...