Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 712-731 of 1494
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Highly pressurized partially miscible liquid-liquid flow in a micro-T-junction. I. Experimental observations
(American Physical Society (APS), 2017-04-24)This is the first part of a two-part study on a partially miscible liquid-liquid flow (liquid carbon dioxide and deionized water) which is highly pressurized and confined in a microfluidic T-junction. Our main focuses are ... -
Highly pressurized partially miscible liquid-liquid flow in a micro-T-junction. II. Theoretical justifications and modeling
(American Physical Society (APS), 2017-04-24)This is the second part of a two-part study on a partially miscible liquid-liquid flow ( carbon dioxide and deionized water) that is highly pressurized and confined in a microfluidic T-junction. In the first part of this ... -
Holistic Vehicle Control Using Learning MPC
(University of Waterloo, 2023-09-26)In recent years, learning MPC schemes have been introduced to address these challenges of traditional MPC. They typically leverage different machine learning techniques to learn the system dynamics directly from data, ... -
Hot Forging Tool Design for a Magnesium Alloy Front Lower Control Arm
(University of Waterloo, 2018-10-22)In an effort to improve fuel economy standards in the automotive industry, the use of lightweight materials to manufacture fatigue-critical components is investigated by a large group at the University of Waterloo. Prior ... -
Hot Forming of Boron Steels with Tailored Mechanical Properties: Experiments and Numerical Simulations
(University of Waterloo, 2011-05-13)Hot forming of boron steels is becoming increasingly popular in the automotive industry due to the demands for weight reduction and increased safety requirements for new vehicles. Hot formed components offer a significant ... -
Hot Stamping of a Boron Steel Side Impact Beam with Tailored Flange Properties - Experiments and Numerical Simulations
(University of Waterloo, 2015-10-01)The effect of tailoring of hot stamped components is investigated, specifically the introduction of a tailored (locally softened) flange within an otherwise martensitic hot formed side impact beam. The effect of tailoring ... -
Humanoid Robotic Manipulation Benchmarking and Bimanual Manipulation Workspace Analysis
(University of Waterloo, 2022-09-07)The growing adoption of robots for new applications has led to the use of robots in human environments for human-like tasks, applications well-suited to humanoid robots as they are designed to move like a human and operate ... -
Humidification strategy for polymer electrolyte membrane fuel cells – A review
(Elsevier, 2018-11-15)Polymer electrolyte membrane fuel cells are promising power sources because of their advantage such as high efficiency, zero emission and low operating temperature. Water management is one of the critical issues for polymer ... -
Hybrid Controls Development and Optimization of a Fuel Cell Hybrid Powertrain
(University of Waterloo, 2012-10-25)The University of Waterloo Alternative Fuels Team’s participation in EcoCAR: The Next Challenge provided an unparalleled opportunity to execute advanced vehicle technology research with hands on learning and industry leading ... -
Hybrid Electric Mobility: Design Considerations for Energy Storage Systems and Fuel Economy Optimization of Shared Semi-Autonomous Vehicles
(University of Waterloo, 2019-08-23)Recent trends show that consumers are shifting away from individually owned personal vehicles, and towards shared mobility solutions. Those who do own a vehicle are opting for those that are more fuel efficient and ... -
Hybrid Electromagnetic Forming of Aluminum Alloy Sheet
(University of Waterloo, 2010-09-28)Electromagnetic (EM) forming is a high-speed forming process that uses the forces induced on a conductive workpiece by a transient high frequency current to form the workpiece into a desired shape. This thesis presents ... -
Hybrid Electromagnetic Vibration Isolation Systems
(University of Waterloo, 2017-11-15)Traditionally, dynamic systems are equipped with passive technologies like viscous shock absorbers and rubber vibration isolators to attenuate disturbances. Passive elements are cost effective, simple to manufacture, and ... -
A hybrid inverse dynamic-neural network approach to lower limb exoskeleton control
(University of Waterloo, 2022-08-22)A powered machine that is wearable over all or part of the human body can be referred to as a powered exoskeleton. The role of powered exoskeletons is usually to provide ergonomic structural support while using motor power ... -
A Hybrid Numerical Simulation Approach for Turbulent Flows over Building-Like Obstacles
(University of Waterloo, 2008-12-03)Computational fluid dynamics (CFD) has been widely applied to simulate turbulent flows in an urban environment. The two basic methodologies in CFD that have been applied here are a Reynolds-averaged Navier-Stokes (RANS) ... -
Hydraulic Variable Valve Actuation on a Single Cylinder Engine
(University of Waterloo, 2017-12-19)The combustion characteristics in an engine cylinder can greatly change over a range of speeds and loads. However, conventional engines x the timing and amount of intake and exhaust, which can lead to higher emissions, ... -
Hydraulic Variable Valve Actuation System: Development & Validation
(University of Waterloo, 2019-08-27)Conventional engines with camshafts with fixed timings force a compromise between performance at high engine loads and fuel economy at low engine loads. Adjusting internal combustion engine valve timing and lift through a ... -
Hydraulic Variable Valve Timing Testing and Validation
(University of Waterloo, 2016-06-30)This thesis documents the development of a fully continuous, hydraulics-based variable valve timing system. This hydraulics based variable valve timing system is capable of controlling an engine valves lift height and ... -
Hydrodynamic shrinkage of liquid CO2 Taylor drops in a straight microchannel
(IOP Publishing, 2018-02-12)Hydrodynamic shrinkage of liquid CO2 drops in water under a Taylor flow regime is studied using a straight microchannel (length/width similar to 100). A general form of a mathematical model of the solvent-side mass transfer ... -
Hydrogel-Based Flexible Electronics Devices as Human Motion Sensors and Triboelectric Nanogenerators
(University of Waterloo, 2024-02-02)Flexible electronics is an emerging discipline in recent years because of its outstanding flexibility. It can be adapted to particular scenarios such as folded or bent, where conventional electronics are complex to apply. ... -
Hygrothermal Effects on Viscoelastic Properties of Amine-Hardened Epoxy
(University of Waterloo, 2015-07-24)In this work the behaviour of a DGEBA/TETA epoxy resin system, a candidate resin for electrically conductive nanocomposites, has been characterized after exposure to hygrothermal conditions for up to 2400 hours. The ...