Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1435-1454 of 1494
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Towards Improved Understanding and Modelling of Compact Heat Exchangers
(University of Waterloo, 2021-06-02)The present work pursues the ability to increase the fundamental understanding of and to improve numerical modelling capabilities for Compact Heat Exchangers (CHE). This goal is achieved by numerically and experimentally ... -
Towards Intelligent Tire and Self-Powered Sensing Systems
(University of Waterloo, 2019-05-21)Tires are the interface between a vehicle and the ground providing forces and isolation to the vehicle. For vehicle safety, stability, maintenance, and performance, it is vital to estimate or measure tire forces, inflation ... -
Towards Large Eddy Simulation of Boundary Layer Flows at High Reynolds Number: Statistical Modeling of the Inner Layer
(University of Waterloo, 2006)Most fluid flows of practical interest involve and are affected by turbulence. One of the most promising computational methods for the prediction of turbulent flows is the so-called large eddy simulation (LES) methodology. ... -
Towards Predicting Densification and Deformation in the Sintering of Binder-Jet Additively Manufactured Parts
(University of Waterloo, 2023-04-10)Binder-jet additive manufacturing (BJAM) is a three-dimensional (3D) printing process which produces parts from successive layers of a powder material (typically metal or ceramic) and selective jetting of a liquid binder ... -
Towards Robust Autonomous MAV Landing with a Gimbal Camera
(University of Waterloo, 2018-11-30)As micro aerial vehicles (MAVs) become increasingly common as platforms for aerial inspection, monitoring and tracking, the need for robust automated landing methods increases, for both static and dynamic landing targets. ... -
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 ...