Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1021-1040 of 1499
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Multi-scale Modeling of Chemical Vapor Deposition: From Feature to Reactor Scale
(University of Waterloo, 2009-09-25)Multi-scale modeling of chemical vapor deposition (CVD) is a very broad topic because a large number of physical processes affect the quality and speed of film deposition. These processes have different length scales ... -
Multi-Scale Modeling of Laser Powder Bed Fusion Process for Superalloys
(University of Waterloo, 2022-12-02)Laser powder bed fusion (LPBF) is an additive manufacturing (AM) technique to fabricate complex geometries with minimal material waste. Over three hundred printing parameters can be altered to control the final part quality. ... -
Multiaxial cyclic behaviour and fatigue modelling of AM30 Mg alloy extrusion
(Elsevier, 2017-04-01)Multiaxial fatigue characteristics of AM30 Mg alloy extrusion are studied through fully-reversed strain controlled cyclic experiments including pure torsional and combined axial-torsional at 0, 45 and 90 phase angle shifts. ... -
Multiaxial Fatigue Characterization and Modeling of AZ31B Magnesium Extrusion
(University of Waterloo, 2012-01-04)The demand for lightweight materials in automobiles has been motivated by two factors: fuel economy and air pollution reduction. One of the first steps taken in automotive vehicle weight reduction was the use of aluminum ... -
Multidisciplinary Optimization of Hybrid Electric Vehicles: Component Sizing and Power Management Logic
(University of Waterloo, 2011-06-16)A survey of the existing literature indicates that optimization on the power management logic of hybrid electric vehicle is mostly performed after the design of the powertrain architecture or the power source components ... -
A Multifunctional MEMS Pressure and Temperature Sensor for Harsh Environment Applications
(University of Waterloo, 2013-02-21)The objective of this thesis was to develop a fast-response multifunctional MEMS (Micro Electro Mechanical Systems) sensor for the simultaneous measurement of in-cylinder pressure and temperature in an internal combustion ... -
A multifunctional sensor system for brake system applications
(University of Waterloo, 2015-09-28)The objective of this thesis is to develop a multifunctional MEMS (Micro Electro Mechanical System) sensor system for the simultaneous measurement of pressure and temperature inside a hydraulic system, more specifically a ... -
Multiphysics Modeling of a Microchannel Methanol Steam Reformer for High Temperature Polymer Electrolyte Membrane Fuel Cell Systems
(University of Waterloo, 2019-03-13)One of the main challenges facing power generation by fuel cells is the difficulties of hydrogen fuel storage. Several methods have been suggested and studied by researchers to overcome this problem. Among these methods, ... -
Multiple Memory Material Processing for Augmentation of Local Pseudoelasticity and Corrosion Resistance of NiTi-based Shape Memory Alloys
(University of Waterloo, 2013-04-22)Possessing unique thermomechanical properties, the discovery of nickel-titanium shape memory alloys (SMAs) has sprouted a plethora of applications in various fields, including aerospace, automotive, microelectronics, and ... -
Multiple Tools for Automated Nanofiber Characterization by Image Processing
(University of Waterloo, 2022-05-10)Nanofibers have been widely used in many engineering applications, including air filtration, energy storage, and biomedical engineering. Their performances largely depend on the morphology of nanofibers. The key morphological ... -
Multiple-Model Robust Adaptive Vehicle Motion Control
(University of Waterloo, 2019-08-28)An improvement in active safety control systems has become necessary to assist drivers in unfavorable driving conditions. In these conditions, the dynamic of the vehicle shows rather different respond to driver command. ... -
Multivariable System Identification, Enhanced Disturbance Rejection, and Precision Motion Control for CNC Machine Tool Feed Drives
(University of Waterloo, 2021-08-27)In this thesis, precision modeling, multivariable system identification, and advanced motion control techniques are developed in order to improve the positioning accuracy and disturbance rejection of machine tool servo ... -
Nano Positioning Control Using Magnetostrictive Actuators
(University of Waterloo, 2007-05-18)The focus of this thesis is on the development of control systems for nano- positioning actuators using magnetostrictive materials. Magnetostrictive materials have large strokes and fast responses. However, they are ... -
Nano-orifice based Dielectrophoretic Manipulation and Characterization of Nanoparticles and Biological Cells
(University of Waterloo, 2019-08-02)Dielectrophoresis (DEP) is the motion of a dielectric particle in an aqueous solution due to the polarization effects in a non-uniform electric field. Due to its property of label-free, scalable, and capable of generating ... -
Nanofabrication Using Electron Beam Lithography: Novel Resist and Applications
(University of Waterloo, 2013-09-04)This thesis addresses nanostructure fabrication techniques based on electron beam lithography, which is the most widely employed nanofabrication techniques for R&D and for the prototyping or production of photo-mask or ... -
Nanomaterials in Water Remediation: Functionalization and Applications for Pharmaceutical Removal in Municipal Wastewater Effluent
(University of Waterloo, 2019-09-10)With an increasing population, there is a higher pressure on natural resources including water. Increased water consumption, altered hydrology and pollution, threaten the sustainability of aquatic ecosystems and water ... -
Nanoparticle Focussing Using Aerodynamic Lenses and a Divergent Nozzle
(University of Waterloo, 2021-11-23)Since the COVID-19 pandemic has been a global crisis that has posed enormous and diverse challenges to humanity, it has revealed the urgent need for further study into a variety of properties of viruses, including virus ... -
Nanoscale Manipulation of Electrokinetic Transport for Iontronic Applications based on Surface Modification
(University of Waterloo, 2021-08-10)Electrokinetic transport demonstrates a lot of new physical behaviors in nanofluidic systems due to the high surface-to-volume ratios and interactions between the fluid and walls of nanofluidic systems. The unique properties ... -
Nanostructure Enabled Memristor and Supercapacitor
(University of Waterloo, 2023-01-09)The composition of conventional circuits is based on four basic elements: resistors, capacitors, inductors, and memristors. Among them, resistors and inductors have been widely studied. Memristor has a desirable application ... -
Nanostructured complex hydride systems for solid state hydrogen storage
(University of Waterloo, 2012-01-19)The present work reports a study of the effects of the formation of a nanostructure induced by high-energy ball milling, compositions, and various catalytic additives on the hydrogen storage properties of LiNH2-LiH and ...