Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1161-1180 of 1510
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Performance Simulation of Planar Solid Oxide Fuel Cells
(University of Waterloo, 2011-09-14)The performance of solid oxide fuel cells (SOFCs) at the cell and system levels is studied using computer simulation. At the cell level, a new model combining the cell micro and macro models is developed. Using this ... -
Perspective: Maintaining surface-phase purity is key to efficient open air fabricated cuprous oxide solar cells
(AIP Publishing, 2015-02-01)Electrochemically deposited Cu2O solar cells are receiving growing attention owing to a recent doubling in efficiency. This was enabled by the controlled chemical environment used in depositing doped ZnO layers by atomic ... -
Phenomenological Modeling of Sheet Moulding Compound Composites Under Quasi-Static Three-Point Bending
(University of Waterloo, 2018-06-19)A phenomenological model is implemented to model the behaviour of a glass fiber reinforced sheet moulding composite material. Previous characterization of SMC composites, which included the tensile, compressive, in-plane ... -
Photocatalytic performances of ZnO nanoparticle film and vertically aligned nanorods in chamber-based microfluidic reactors: Reaction kinetics and flow effects
(Elsevier BV, 2017-07-15)The nanoparticle seed layer (a film) and vertically aligned nanorods of zinc oxide (ZnO) with different lengths were fabricated within a novel chamber-based microfluidic (microchamber) reactor with a varying height of ... -
Physical Aging and Hygrothermal Response of Polycarbonate/Acrylonitrile-Butadiene-Styrene Polymer Blend
(University of Waterloo, 2007-05-16)Polycarbonate (PC) is a glassy engineering thermoplastic that has been used for decades because of its superior mechanical properties such as high toughness and stiffness, and for its general thermal stability. However, ... -
The Physical Exoskeleton-User Interface: Investigating Modelling and Design of Coupling Surfaces
(University of Waterloo, 2023-07-27)The goal of Lower Limb Rehabilitation Exoskeletons is to provide active and passive support to the user for rehabilitation goals focused on the restoration of function and independence to the user. In circumstances where ... -
Physics-Based Pressure Field and Fluid Forcing Inference for Cylindrical Bluff Body Experiments
(University of Waterloo, 2024-06-17)The proceeding work details contributions to the state-of-the-art of velocimetry-based experimental fluid mechanics through the application of novel pressure and force estimation methods to studies in bluff-body aerodynamics ... -
Pitch Angle Control for a Small-Scale Darrieus Vertical Axis Wind Turbine with Straight Blades (H-type VAWT)
(University of Waterloo, 2019-06-18)Unlike the horizontal axis wind turbines, only a few studies have been conducted recently to improve the performance of a Darrieus Vertical Axis Wind Turbine with straight blades (H-type VAWT). Pitch angle control technique ... -
Pitching airfoil study and freestream effects for wind turbine applications
(University of Waterloo, 2013-09-03)A Horizontal Axis Wind Turbine (HAWT) experiences imbalanced loads when it operates under yaw loads. For each blade element of the aerodynamically imbalanced rotor, not only is the angle of attack unsteady, but also the ... -
Plastic Instability and Failure of Sheet Metals Subjected to Complex Stress States
(University of Waterloo, 2022-05-19)The rapid development of new emerging classes of steels has outpaced the methodologies and modelling strategies to exploit the superior mechanical properties in the design stage of structural automotive lightweight components. ... -
Polarizability-Dependent Induced-Charge Electroosmotic Flow of Dielectric Particles and Its Applications
(University of Waterloo, 2015-02-06)To break the limit of the knowledge of the induced-charge electroosmotic flow, this thesis provides a new theoretical and numerical study of the polarizability-dependent induced-charge electroosmotic flow (ICEOF) of ... -
Polyamide 6.6 separates oil/water due to its dual underwater oleophobicity/underoil hydrophobicity: Role of 2D and 3D porous structures
(Elsevier, 2019-02-01)Porous polyamide functionalized by plasma or various coatings has been investigated for oil/water separation. In literature, polyamide has rarely been studied for oil removal, and this work investigated the performance of ... -
Polyamide 6.6 separates oil/water due to its dual underwater oleophobicity/underoil hydrophobicity: Role of 2D and 3D porous structures
(Elsevier BV, 2019-02-01)Porous polyamide functionalized by plasma or various coatings has been investigated for oil/water separation. In literature, polyamide has rarely been studied for oil removal, and this work investigated the performance of ... -
Polypyrrole-based Nanofibrous Membrane Separator for Lithium-ion Battery
(University of Waterloo, 2021-12-22)A battery separator is one of the key components of a Lithium-ion battery (LIB). It serves as an insulator between the electrodes to prevent the internal short circuit. More importantly, the battery separator retains liquid ... -
Porous Media Thermoacoustic Stacks: Measurements and Models
(University of Waterloo, 2011-09-29)The present research analyzes random porous thermoacoustic stack systems analytically, experimentally, and numerically with a primary objective to develop a comprehensive analytical porous media modeling for random porous ... -
Posture Dependent Vibration Resistance of Serial Robot Manipulators to Applied Oscillating Loads
(University of Waterloo, 2010-01-11)There are several advantages to replacing CNC machinery with robotic machine tools and as such robotic machining is emerging into the manufacturing and metal cutting industry. There remain several disadvantages to using ... -
A Potential Field-Based Model Predictive Path-Planning Controller for Autonomous Road Vehicles
(Institute of Electrical and Electronics Engineers, 2016-09-26)Artificial potential fields and optimal controllers are two common methods for path planning of autonomous vehicles. An artificial potential field method is capable of assigning different potential functions to different ... -
Powder bed binder jetting additive manufacturing of silicone structures
(Elsevier, 2018-05-01)The feasibility of a hybrid additive manufacturing (AM) method combining material extrusion and powder bed binder jetting (PBBJ) techniques for fabrication of structures made of silicone (polysiloxane) is investigated in ... -
Powder Spray Laser Additive Manufacturing of Zirconium
(University of Waterloo, 2016-11-29)Zirconium is commonly used in nuclear, chemical processing and biomedical applications due to its low thermal neutron cross-section, relatively high corrosion resistance and great biocompatibility. Although it is an ideal ... -
Powder-fed Laser Directed Energy Deposition of Near-β Titanium Alloy: A Comprehensive Analytical and Experimental Analysis
(University of Waterloo, 2021-10-12)Laser directed energy deposition through powder feeding (LDED-PF), a class of metal additive manufacturing (AM), is a promising technique that enables the repair and refurbishment of metallic components with a variety of ...