Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 21-40 of 1484
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Adaptive Wireless Biomedical Capsule Localization and Tracking
(University of Waterloo, 2015-04-22)Wireless capsule endoscopy systems have been shown as a gold step to develop future wireless biomedical multitask robotic capsules, which will be utilized in micro surgery, drug delivery, biopsy and multitasks of the ... -
Additive Manufacturing Methodology and System for Fabrication of Porous Structures with Functionally Graded Properties
(University of Waterloo, 2014-02-26)The focus of this dissertation is on the development of an additive manufacturing system and methodology for fabricating structures with functionally graded porous internal properties and complex three-dimensional external ... -
Additive Manufacturing of Graphene-based Devices
(University of Waterloo, 2017-01-19)Additive manufacturing (AM) introduces a new era for the fabrication of 3D structures. AM, as an emerging and disruptive manufacturing technology, has the potential to be employed for fabrication of polymeric, metallic, ... -
Additive Manufacturing of Architected Structures for Healthcare Applications
(University of Waterloo, 2021-05-07)This dissertation focuses on the development of architected structures via direct additive manufacturing (AM) and novel template-assisted techniques for sensing and tissue engineering applications. Although AM technologies ... -
Additive Manufacturing of Functionally- Graded Porous Biodegradable Scaffolds using Sacrificial Porogens
(University of Waterloo, 2015-04-30)The focus of this dissertation is on the additive manufacturing (AM) of a porous biodegradable scaffold using a fine Calcium Polyphosphate (CPP) powder, with the aid of sacrificial porogens. CPP is a member of Calcium ... -
Additive Manufacturing of Graphene-based Patterns
(University of Waterloo, 2016-02-11)The focus of this dissertation is on the deployment and characterization of a micro-scale aerosol-jet additive manufacturing technology to print highly conductive and flexible graphene-based patterns. For this purpose, a ... -
Additive Manufacturing of Porous Titanium Structures for Use in Orthopaedic Implants
(University of Waterloo, 2015-08-04)This dissertation explores additive manufacturing of porous titanium structures for possible use as scaffolds in orthopaedics. Such scaffolds should be tailored in terms of mechanical properties and porosity to satisfy ... -
Additive Manufacturing of Soft Polysiloxane-based Bio-structures with Heterogeneous Properties
(University of Waterloo, 2018-03-26)This thesis is concerned with the development of novel additive manufacturing (AM) systems and methodologies for high speed fabrication of complex material-graded silicone structures with controllable internal features ... -
Additively manufactured metallic biomaterials
(Elsevier, 2021-12)Metal additive manufacturing (AM) has led to an evolution in the design and fabrication of hard tissue substitutes, enabling personalized implants to address each patient's specific needs. In addition, internal pore ... -
Additively-manufactured Deterministic Porous Structures for Transpiration Cooling
(University of Waterloo, 2023-07-17)Transpiration cooling is increasingly being studied as a method of thermal protection in hypersonic flight, rocket engine liners, and gas turbines. To date, materials for transpiration cooling have been restricted to porous ... -
Adhesive bonding of polymer composites reinforced with carbon unidirectional non-crimp fabrics
(University of Waterloo, 2022-09-22)Lightweight materials have always played a significant role in product design, but global trends toward emissions reduction and resource efficiency have further increased the importance of this topic. In particular, the ... -
Advanced Atomic Layer Deposition Techniques for Metal-Insulator-Metal Diodes
(University of Waterloo, 2017-07-06)Metal-Insulator-Metal (MIM) diodes are nanoelectronic devices that operate by quantum tunneling of electrons through a thin dielectric layer to rectify high frequency alternating current (AC) to usable direct current (DC). ... -
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 ... -
Advancing the Industrialization of Thin Film Deposition: Tools for Mitigating Powder Formation in Spatial-ALD Systems and for Real-time, In-situ Metrology
(University of Waterloo, 2024-01-11)Thin-film manufacturing through Spatial Atomic Layer Deposition (SALD) offers high throughput and cost-saving advantages, but challenges such as powder formation and the lack of real-time in-situ metrology hinder its ... -
An Aeroacoustic Study of Airfoil Self-Noise for Wind Turbine Applications
(University of Waterloo, 2017-04-25)The current study addresses the issue of noise relating to both large and small scale wind turbines. In utility scale applications, larger size rotors in new generations of wind turbines bring an increasing challenge to ... -
Aeroacoustics of Compressible Vortex Reconnection
(University of Waterloo, 2021-08-27)Aeroacoustics is a key focus in the design of propulsion, energy, and transportation systems. Noise generation in these systems is caused by the unsteadiness of the flow and simplified acoustic models are used to approximate ... -
Aerodynamics of finite-span inclined flat plates in ground proximity
(University of Waterloo, 2023-09-11)Photovoltaic power generation has grown to become a multi-billion dollar global sector, aiding in the switch to renewable energy sources to limit the progress of climate change. However, relatively high energy production ... -
Aerosol Jet Printed Strain Gauge and Temperature Compensated Strain Gauge Design
(University of Waterloo, 2018-04-23)Aerosol jet printing (AJP) is a non-contact, computer aided design (CAD) based printing that allows for an aerosol stream, being focused by a sheath gas, to print patterns on non-planar surfaces based on the specified ... -
Ag Nanoparticles and their Application in Low-Temperature Bonding of Cu
(University of Waterloo, 2014-01-03)Ag nanoparticle (NP) paste was fabricated and used to bond Cu wire to Cu foil at low temperatures down to 433 K. The relatively low bonding temperature promotes this method to be used in polymer-based flexible electronics, ... -
Air Jets for Lift Control in Low Reynolds Number Flow
(University of Waterloo, 2010-04-28)The environmental and monetary cost of energy has renewed interest in horizontal-axis wind turbines (HAWT). One problem with HAWT design is turbulent winds, which cause cyclic loading and reduced life. Controlling short-term ...