Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1182-1201 of 1494
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A PREDICTION OF THE DROPLET SIZE AND VELOCITY DISTRIBUTION IN A SPRAY FROM FIRST PRINCIPLES
(University of Waterloo, 2016-09-12)The maximum entropy formalism is used to predict the droplet size and velocity distribution in a spray resulting from the breakup of a liquid sheet. The physics of the process are described by simple conservation constraints ... -
Predictive Model for a PV/Thermal Impinging Jet Solar Collector
(University of Waterloo, 2010-05-19)This thesis is a study of impinging jet PV/Thermal collectors. More specifically, the thesis deals with the development of a model for this type of collector and its validation. The model developed for this thesis ... -
Predictive model of impact-induced bonding in cold spray using the Material Point Method
(University of Waterloo, 2021-05-27)Cold spray technology has emerged in recent years as a promising method of powder deposition that is inherently different from other processes. Without melting of the particles prior to deposition, powders of a wide range ... -
Predictive Powertrain Management through Driver Behaviour Recognition
(University of Waterloo, 2018-09-26)With automotive trends leading towards electrification and inclusion of intelligent technology for advanced driver assistance systems (ADAS), there is a need to research the use of advanced control strategies. This report ... -
Primary Blast Injury of the Head: Numerical Prediction and Evaluation of Protection
(University of Waterloo, 2010-08-30)The prevalence of injuries sustained from blast have been increasing over the past few decades due to the increasing use of Improvised Explosive Devices in areas where peacekeepers are deployed, as well as terrorist bombing ... -
Prioritized Obstacle Avoidance in Motion Planning of Autonomous Vehicles
(University of Waterloo, 2017-09-21)Driver errors are a critical factor of the majority of car crashes. Autonomous vehicles take drivers and driver errors out of the equation, so they are being developed to reduce car crashes. However, in some situations, a ... -
The Process Fundamentals and Parameters of Electro-Spark Deposition
(University of Waterloo, 2009-08-27)Electrospark Deposition (ESD) is a micro-bonding process that is capable of depositing wear and corrosion resistance coating to repair, to improve and to extend the service life of the components and tools. During the ... -
Process Kinetics of Transient Liquid Phase
(University of Waterloo, 2007-09-24)The problem of inadequate measurement techniques for quantifying the isothermal solidification process during transient liquid phase sintering (TLPS) in binary isomorphous systems such as Ni-Cu, and the resulting uncertainty ... -
Process Mapping and Optimal Process Window Identification for Laser Powder Bed Fusion of Invar36
(University of Waterloo, 2018-09-04)The development of Additive Manufacturing (AM) has reached a point where it is positioned to be disruptive for the manufacturing sector, with a majority of manufacturers having leveraged the use of AM in their operations. ... -
Process Mapping and Optimization of Titanium Parts Made by Binder Jetting Additive Manufacturing
(University of Waterloo, 2018-01-08)Additive manufacturing (AM) has recently seen an increase in adoption outside of its traditional role of rapid prototyping and is being used more and more for the production of functional components. The increased adoption ... -
Process optimization of Gas Metal Arc Brazing technology
(University of Waterloo, 2022-08-03)Gas-metal-arc brazing (GMAB) technology is a transformative non-fusion joining process used in the joining of thin-gauge Zn-coated advanced high strength steels (AHSSs) employed in the automotive industry. Due to its lower ... -
Process Optimization, Numerical Modelling, and Microstructure Control in Laser Powder Bed Fusion of Ti-5553 Parts
(University of Waterloo, 2024-03-14)Additive manufacturing (AM) is an advanced production technique that creates components by depositing material layer by layer. AM has been deployed industrially for producing metallic parts from alloys which pose challenges ... -
Process parameters for hot stamping of AA7075 and D-7xxx to achieve high performance aged products
(Elsevier, 2018-07)This work examines the necessary process parameters for die quenching (DQ) during hot stamping and subsequent age hardening and paint bake cycle (PBC) response for two alloys: AA7075 and a developmental 7xxx alloy (referred ... -
Process Planning for Additive Manufacturing of Geometries with Variable Overhang Angles using a Robotic Laser Directed Energy Deposition system
(Elsevier, 2022-01)In the present work, a novel Laser Directed Energy Deposition (LDED) process planning methodology is proposed to build a dome structure with variable overhang angles. Overhang structures with different overhang angles were ... -
Process Quality Improvement in Thermosonic Wire Bonding
(University of Waterloo, 2008-08-15)This thesis demonstrates the feasibility of methods developed to increase the quality of the crescent bond together with the tail bond quality. Low pull force of the crescent bond limits the usage of insulated Au wire in ... -
Processability and tensile performance of continuous glass fiber/polyamide laminates for structural load-bearing applications
(Elsevier, 2018-02)The performance of continuous E-glass/polyamide 6 laminates processed using distinct hot press moulding cycles was assessed and compared with similar E-glass/epoxy and E-glass/polypropylene laminates. The effects of peak ... -
The Processing and Characterization of Porous Ni/YSZ and NiO/YSZ Composites used in Solid Oxide Fuel Cell Applications
(University of Waterloo, 2006)A solid oxide fuel cell (SOFC) is an energy conversion device that has the potential to efficiently generate electricity in an environmentally-friendly manner. In general, a SOFC operates between 750°C and 1000°C ... -
Production and Characterization of Electrospun Metal Nanofibers for Applications in Nanoaerosol Filtration
(University of Waterloo, 2019-05-13)Airborne particles have a large impact on human health and the environment. They can be as small as a few nanometers. Electrospun nanofibrous materials have shown strong potential in filtering airborne nanoparticles for ... -
Progress on the application of the NS-alpha model to wall-bounded flows
(University of Waterloo, 2008-10-09)In this thesis we study the NS-alpha model of flow turbulence. In this model the closure arises through a modified nonlinearity. For the NS-alpha model currently used in published numerical studies, the parameter representing ... -
Pulsed Active Steering Hardware in the Loop Experiment
(University of Waterloo, 2009-09-25)Active safety vehicle systems are continuously being researched to make vehicles safer to drive. Active steering is a new active safety system that involves controlling the vehicle steering angle during the vehicle's loss ...