Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 885-904 of 1483
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Machine Learning Approaches in Crystal Plasticity
(University of Waterloo, 2022-04-27)The continued advancements in material development and design require understanding the relationships between microstructure and flow behaviour. Crystal plasticity (CP) is a high-fidelity computational method that helps ... -
Machine Learning-based Detection of Compensatory Balance Responses and Environmental Fall Risks Using Wearable Sensors
(University of Waterloo, 2016-08-31)Falls are the leading cause of fatal and non-fatal injuries among seniors worldwide, with serious and costly consequences. Compensatory balance responses (CBRs) are reactions to recover stability following a loss of balance, ... -
Machining Chatter in Flank Milling and Investigation of Process Damping in Surface Generation
(University of Waterloo, 2011-12-06)Although a considerable amount of research exists on geometrical aspects of 5-axis flank milling, the dynamics of this efficient milling operation have not yet been given proper attention. In particular, investigating ... -
Machining Speed Gains in a 3-Axis CNC Lathe Mill
(University of Waterloo, 2010-08-04)The intent of this work is to improve the machining speed of an existing 3 axis CNC wood working lathe. This lathe is unique in that it is a modi ed manual lathe that is capable of machining complex sculptured surfaces. ... -
Magnesium for biomedical applications as degradable implants: thermomechanical processing and surface functionalization of a Mg-Ca alloy
(University of Waterloo, 2016-01-25)Degradable implants for bone fixation have been of significant interest since the last decade. Among different materials, magnesium appears as a promising candidate due to its unique combination of properties. Magnesium ... -
Magnetic Field Assisted Abrasive Polishing
(University of Waterloo, 2021-12-20)Surface roughness of both machined and additively manufactured components is a critical characteristic that ensures both functional requirements and efficient performance in many high-precision applications requiring precise ... -
Magnetic Levitation of Polymeric Photo-thermal Microgrippers
(University of Waterloo, 2008-09-26)Precise manipulation of micro objects became great interest in engineering and science with the advancements in microengineering and microfabrication. In this thesis, a magnetically levitated microgripper is presented for ... -
Magnetic Pulse Welding of Mg Sheet
(University of Waterloo, 2011-08-31)Because of its low density and high strength, magnesium (Mg) and its alloys are being sought after in the automotive industry for structural applications. Although many road-going cars today contain cast Mg parts, in the ... -
Making CNC Machines Smarter
(University of Waterloo, 2019-12-16)CNC machines are a commonly used manufacturing tool. Over the years, they have become increasingly sophisticated. While there is a lot of research into making the machines more sophisticated, there is little research into ... -
Manipulation and separation of oil droplets by using asymmetric nano-orifice induced DC dielectrophoretic method
(Elsevier, 2018-02-15)Emulsion droplets are versatile tools in chemical and biological fields and the separation of emulsion droplets is one of the most crucial steps in research and industry. This work developed a nano-orifice based DC ... -
Manufacturing of a Fiber-Reinforced Thermoplastic Composite Micro-Generating Wind Turbine Blade
(University of Waterloo, 2023-11-20)In response to climate legislation attempting to curb global greenhouse emissions, renewable energy technologies have seen rapidly increasing global demand over the past two decades, with significant attention paid to the ... -
Mathematical Modeling of the Twin Roll Casting Process for Magnesium Alloy AZ31
(University of Waterloo, 2013-01-23)Although Twin Roll Casting (TRC) process has been used for almost 60 years in the aluminum industry, TRC of magnesium is relatively new. In TRC, molten metal is fed onto water-cooled rolls, where it solidifies and is then ... -
Mathematical modeling of thermo-mechanical behavior of strip during twin roll casting of an AZ31 magnesium alloy
(Elsevier, 2013-06-01)The effect of set-back distance on the thermo-mechanical behavior of the strip during twin roll casting (TRC) of an AZ31 magnesium alloy was modeled using finite element method (FEM). Model validation was done by comparing ... -
Mathematical Modeling of Transient Transport Phenomena in PEM Fuel Cells
(University of Waterloo, 2009-12-07)The dynamic performance of polymer electrolyte membrane fuel cells (PEMFCs) is of great interest for mobile applications such as in automobiles. However, the length scale of a PEM fuel cell's main components are ranging ... -
Mathematical Modelling of the Material Flow and Microstructural Evolution During the Extrusion of AA3003 Aluminum Alloy
(University of Waterloo, 2013-09-25)A comprehensive mathematical model of the hot extrusion process for aluminum alloys has been developed and validated. The model is capable of predicting the material flow behaviour and microstructure evolution that occurs ... -
Mean Stress Effect in Stress-Life for Hard Steels
(University of Waterloo, 2017-06-01)The work in this thesis examines the effect of mean stress on the fatigue behaviour of very hard (Rockwell C 60) steels (AISI 8822, 8620, 9310, and cold-worked pre-stressing wire). In the mean stress tests, the minimum ... -
A Mean Value Internal Combustion Engine Model in MapleSim
(University of Waterloo, 2010-08-31)The mean value engine model (MVEM) is a mathematical model derived from basic physical principles such as conservation of mass and energy equations. Although the MVEM is based on some simplified assumptions and time averaged ... -
Measurement and Characterization of Heat and Mass Diffusion in PEMFC Porous Media
(University of Waterloo, 2012-09-19)A single polymer electrolyte membrane fuel cell (PEMFC) is comprised of several sub-millimetre thick layers of varying porosity sandwiched together. The thickness of each layer, which typically ranges from 10 to 200μm, is ... -
Measurement and Modeling of Entropy Generation in Microchannels
(University of Waterloo, 2008-06-09)Entropy based design is a novel design method that incorporates the second law of thermodynamics with computational and experimental techniques to achieve the upper limits of performance and quality in engineering technologies. ... -
Measurement Devices for Custom Shoe Manufacturing
(University of Waterloo, 2011-08-30)The majority of North Americans suffer from foot problems at some point in their lives. These foot problems can be divided into three domains ranging from mismatch on healthy feet, to small injuries and deformities and ...