Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1443-1462 of 1497
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Trailer Sway Control Using an Active Hitch
(University of Waterloo, 2017-08-24)The handling and yaw stability characteristics of passenger vehicles are drastically changed when towing a trailer, which can lead to unsafe oscillations in the trailer yaw, known as trailer sway. This thesis examines the ... -
Trajectory Planning and Subject-Specific Control of a Stroke Rehabilitation Robot using Deep Reinforcement Learning
(University of Waterloo, 2021-01-19)There are approximately 13 million annual new stroke cases worldwide. Research has shown that robotics can provide practical and efficient solutions for expediting post-stroke patient recovery. Assistive robots provide ... -
Transfer of Mass and Heat in the Cathode of Polymer Electrolyte Membrane Fuel Cell
(University of Waterloo, 2007-07-30)The need for alternative sources of energy with low to zero emissions has led to the development of polymer electrolyte membrane fuel cells. PEM fuel cells are electro-chemical devices that convert chemical energy to ... -
Transient electrochemical heat transfer modeling and experimental validation of a large sized LiFePO4/graphite battery
(Elsevier, 2017-06-01)Both measurement and modeling of thermal performance in lithium-ion battery cell are considered crucial as they directly affect the safety. Even though the operation of a lithium-ion battery cell is transient phenomena in ... -
Transition in a Laminar Separation Bubble and the Effect of Acoustic Excitation
(University of Waterloo, 2016-08-26)Flow development within a laminar separation bubble and the effect of controlled acoustic excitation are investigated experimentally for a NACA 0018 airfoil at a chord Reynolds number of 125 000 and an angle of attack of ... -
Transport Phenomena in Cathode Catalyst Layer of PEM Fuel Cells
(University of Waterloo, 2010-06-25)Polymer electrolyte membrane (PEM) fuel cells have increasingly become promising green energy sources for automobile and stationary cogeneration applications but its success in commercialization depends on performance ... -
Transport Properties of the Gas Diffusion Layer of PEM Fuel Cells
(University of Waterloo, 2011-03-30)Non-woven carbon paper is a porous material composed of carbon composite and is the preferred material for use as the gas diffusion layer (GDL) of polymer electrolyte membrane (PEM) fuel cells. This material is both ... -
Two-Dimensional Anisotropic Cartesian Mesh Adaptation for the Compressible Euler Equations
(University of Waterloo, 2004)Simulating transient compressible flows involving shock waves presents challenges to the CFD practitioner in terms of the mesh quality required to resolve discontinuities and prevent smearing. This document discusses ... -
A two-dimensional numerical model for glazing system thermal analysis
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1995-08)A simple two-dimensional (2-D) numerical control volume formulation is presented that can be used to model heat transfer through a vertical insulated glazing unit. This model accounts for natural convection of the fill gas ... -
A two-dimensional numerical model for natural convection in a vertical, rectangular window cavity
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1994-12-31)It is common for sealed glazing units to exhibit condensation problems when operated in cold climates. Condensation often forms along the perimeter of the exposed surface of the indoor glazing because of the thermal short ... -
Uneven temperature and voltage distributions due to rapid discharge rates and different boundary conditions for series-connected LiFePO4 batteries
(Elsevier, 2017-02-01)This paper presents the surface temperature and voltage distributions on a prismatic lithium-ion battery pack at 1C, 2C, 3C, and 4C discharge rates and 5°C, 15°C, 25°C, and 35°C boundary conditions (BCs) for water cooling ... -
Upgrading a Broad Area Illuminating Integrating Sphere and Solar Transmittance Measurement of a Sheer Blind
(University of Waterloo, 2008-02-26)Shading devices are frequently used to control solar gain through windows. Solar optical properties are very important in the energy analysis of windows. Transmittance, absorptance and reflectance are required to quantify ... -
Use of Sensors for Fire Detection and Monitoring
(University of Waterloo, 2019-05-17)The ultimate goal of placing fire detection systems in buildings and structures is to allow for the rapid detection of fire and accurate prediction of ensuing fire behavior. Through a-priori prediction of how a fire might ... -
Use of Slip Prediction for Learning Grasp-Stability Policies in Robotic-Grasp Simulation
(University of Waterloo, 2023-07-04)The purpose of prosthetic hands is to restore a portion of dexterity lost through upper limb amputation. However, a key capability of human grasping that is missing from most currently available prosthetic hands is the ... -
Utilization of Industrial Waste Alloy as An Alternative to Micron-Al in Energetic Applications
(University of Waterloo, 2024-01-22)Aluminum-enhanced solid propellant is one of the most commonly used propellants people have ever developed. It is cost-effective, simple to store and handle, and energetic for thrust production due to the extremely high ... -
Utilization of Predictive Analytics & Constrained Metaheuristics to Achieve Optimal Operation of a Liquid-fueled Industrial Process Heater
(University of Waterloo, 2015-05-11)The operation of industrial combustion devices to improve fuel efficiency and reduce emissions, is necessary in many respects. Increasingly stringent environmental regulations and the present volatility of the price of ... -
Vacuum Brazing of Carbon Nanotube Strands
(University of Waterloo, 2009-08-28)Carbon nanotubes (CNTs) discovered at 1991 have attracted great interest for applications in Nano-Electro-Mechanical-Systems (NEMS). However, the search for methods to join CNTs with metallic parts has been a worldwide ... -
Variable-Structure Cable-Driven Parallel Robots
(University of Waterloo, 2022-05-16)Cable-driven parallel robots (CDPR) are a special class of robotic manipulators consisting of a rigid end effector suspended, constrained, and actuated by a number of length-varying cables. Since cable mass is typically ... -
Variation in powder size distribution for electron beam melting of Ti48Al2Cr2Nb - density and surface roughness effects
(University of Waterloo, 2024-04-25)Additive manufacturing (AM), also known as 3D printing, is an innovative method for producing complex geometries with minimal material waste. Aerospace, medical, and battery fields are a few sectors that employ AM as a ... -
Vehicle Battery Pack Design and Considerations for Repurposing
(University of Waterloo, 2015-09-28)The market for hybrid and electric vehicles is expanding with the rise of gas prices and desires to curb climate change. With the creation of these complex systems comes the development of advanced battery systems which ...