Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 663-682 of 1494
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Force Control of a Unilateral Master-Slave System Using a SCARA Robot Arm
(University of Waterloo, 2014-09-15)Industrial manipulators have several applications in a multitude of disciplines. The use of industrial manipulators has increased rapidly, and they are more refined in many applications due to advances such as fast response ... -
Forced Convection From a Pair Of Spheres: A Three-Temperature Problem
(2015-05)Interaction of spherical particles in a fluid flow is important in combustion, chemical processes and air pollution. In this study, a recently developed technique for characterizing multi-temperature convective heat transfer ... -
Forging Preform Design Optimization for Structural Magnesium Components
(University of Waterloo, 2023-11-30)An increasing emphasis on emissions reduction and improved fuel economy is leading to a broader utilization of magnesium (Mg) alloys in vehicle light-weighting applications. Mg alloys are the lightest structural metals and ... -
Forging specimen design for Mg alloys
(University of Waterloo, 2016-08-25)The automotive industry is seeking every possible way to reduce the vehicle weight in order to achieve better fuel efficiency. Forged magnesium (Mg) alloys, due to low density and high stiffness-to-weight ratio, have ... -
Formability Characterization of Sheet Metals using the Angular Stretch Bend Test
(University of Waterloo, 2023-06-15)This thesis investigates the mechanics of the angular stretch bend test (ASBT) and analytical models using three different advanced high strength steels (AHSS) and finite element simulation. The three steels, 590R, 3rd Gen ... -
FORMABILITY OF ADVANCED HIGH STRENGTH STEEL TUBES IN TUBE BENDING AND HYDROFORMING
(University of Waterloo, 2007-09-25)An investigation of the tube hydroforming process is conducted in order to understand the effect of pre-bending operation on formability in tube hydroforming and assess the application of the newly developed Extended ... -
Formability of Aluminum Alloy Sheet at Elevated Temperature
(University of Waterloo, 2012-09-26)An experimental and numerical study of the isothermal and non-isothermal warm formability of an AA3003 aluminum alloy brazing sheet is presented. Forming limit diagrams were determined using warm limiting dome height (LDH) ... -
Formability of Polycarbonate
(University of Waterloo, 2009-01-13)Current thermoplastic processing techniques involve high capital costs for moulds and significant use of energy to melt or soften the materials. Single-step process cold forming techniques, such as stretch forming, could ... -
Formation and Characteristics of Microstructures from PEM Fuel Cell Catalyst Ink Drying
(University of Waterloo, 2015-08-17)In this study, the process of catalyst ink drops drying in room air is investigated experimentally, which is key to the fabrication of, hence the microstructure formation in, the catalyst layers of polymer electrolyte ... -
The Formation and Run-off of Condensate on a Vertical Glass Surface: An Experimental Study
(University of Waterloo, 2007-01-23)An experimental study of condensate was performed by exposing a sheet of glass, cooled at its bottom edge, to an enclosure with a controlled environment. The air in the enclosure was maintained at a constant relative ... -
The Formation and Runoff of Condensate on a Vertical Glass Surface
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2014)An experimental study of condensate formation and runoff was performed by exposing a sheet of glass, cooled at its bottom edge, to an enclosure with a controlled environment. This arrangement mimics the indoor glass surface ... -
A Four Physics Approach to Modeling Moisture Diffusion, Structural Mechanics, and Heat Conduction Coupled with Physical Aging for a Glassy Thermoplastic
(University of Waterloo, 2011-08-26)The performance of some polymeric materials is profoundly affected by long-term exposure to moisture during service. This poses problems for high precision and/or load bearing components in engineering applications where ... -
FPGA Based Ultrasonic Non-Destructive Testing
(University of Waterloo, 2022-05-05)In this research, a prototype of an ultrasonic testing device was developed based on a field-programmable gate array for ultrasonic testing. Ultrasound is a mechanical wave that is generated by a vibrating object and ... -
Fracture Characterization of Rolled Sheet Alloys in Shear Loading: Studies of Specimen Geometry, Anisotropy, and Rate Sensitivity
(Springer, 2017-01-01)Two different shear sample geometries were employed to investigate the failure behaviour of two automotive alloy rolled sheets; a highly anisotropic magnesium alloy (ZEK100) and a relatively isotropic dual phase steel ... -
Fracture Mechanisms in Resistance Spot Weld of Magnesium Alloys
(University of Waterloo, 2015-06-19)The automotive industry is adopting the application of magnesium and magnesium alloys in order to produce light-weight auto-body structures. Therefore, it is essential to evaluate the load bearing capability of these metals ... -
Free-Flow Counterflow Gradient Focusing for Protein Fractionation
(University of Waterloo, 2022-09-23)In free-flow electrophoresis (FFE), a pressure-driven flow applied perpendicular to the electric field enables the continuous separation of charged solutes. Meanwhile, outlets located at the end of the separation region ... -
Friction and Adhesion of Microparticle Suspensions on Repellent Surfaces
(ACS, 2020-11-06)With the recent advancements in the development and application of repellent surfaces, both in air and under liquid medium, accurate characterization of repellence behavior is critical in understanding the mechanism behind ... -
Friction-induced Vibration in Lead Screw Systems
(University of Waterloo, 2009-05-13)Lead screw drives are used in various motion delivery systems ranging from manufacturing to high precision medical devices. Lead screws come in many different shapes and sizes; they may be big enough to move a 140 tons ... -
Full Vehicle State Estimation Using a Holistic Corner-based Approach
(University of Waterloo, 2017-04-25)Vehicles' active safety systems use different sensors, vehicle states, and actuators, along with an advanced control algorithm, to assist drivers and to maintain the dynamics of a vehicle within a desired safe range in ... -
Fundamental Characteristics of Turbulent Opposed Impinging Jets
(University of Waterloo, 2000)A fundamental study of two turbulent directly opposed impinging jets in a stagnant ambient fluid, unconfined or uninfluenced by walls is presented. By experimental investigation and numerical modeling, the main characteristics ...