Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 988-1007 of 1500
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Modeling of Fluid Flow and Heat Transfer for Optimization of Pin-Fin Heat Sinks
(University of Waterloo, 2004)In this study, an entropy generation minimization procedure is employed to optimize the overall performance (thermal and hydrodynamic) of isolated fin geometries and pin-fin heat sinks. This allows the combined effects ... -
Modeling of Lithium-ion Battery Performance and Thermal Behavior in Electrified Vehicles
(University of Waterloo, 2015-04-22)Electric vehicles (EVs) have received significant attention over the past few years as a sustainable and efficient green transportation alternative. However, severe challenges, such as range anxiety, battery cost, and ... -
Modeling of Thermal Joint Resistance for Sphere-Flat Contacts in a Vacuum
(University of Waterloo, 2004)As a result of manufacturing processes, real surfaces have roughness and surface curvature. The real contact occurs only over microscopic contacts, which are typically only a few percent of the apparent contact area. ... -
Modeling the Residual Stress Distribution and Experimental Characterization of Shot Peening on AZ31B Rolled Sheet
(University of Waterloo, 2020-01-17)The drive to reduce fossil fuel consumption due to its environmental impacts has generated renewed interest in employing magnesium (Mg), the lightest industrial metal, and its alloys in vehicle manufacturing. One of the ... -
Modeling, Analysis and Experimental Validation of a Three Degree of Freedom Electromagnetic Energy Harvester
(University of Waterloo, 2012-09-26)Vibration energy harvesting devices have been widely used to power many electronic self-sustainable devices. The aim of this study is to introduce an alternative design to an existing electromagnetic energy harvesting ... -
Modeling, performance evaluation, and post-process planning for directed energy deposition
(University of Waterloo, 2021-12-15)This dissertation focuses on improving part quality and process reliability by proposing methods for predicting process outcomes, detecting defects and process anomalies in DED. These methods include physics-based process ... -
Modelling Aerothermal Heating with Conjugate Heat Transfer
(University of Waterloo, 2022-01-27)Supersonic and hypersonic vehicles experience flows under complex thermodynamic conditions due to the presence of shock waves and large thermophysical gradients. A large thermal load is imparted to the vehicle from the ... -
Modelling and Model Predictive Control of Power-Split Hybrid Powertrains for Self-Driving Vehicles
(University of Waterloo, 2018-11-05)Designing an autonomous vehicle system architecture requires extensive vehicle simulation prior to its implementation on a vehicle. Simulation provides a controlled environment to test the robustness of an autonomous ... -
Modelling and optimal energy-saving control of automotive air-conditioning and refrigeration systems
(Sage, 2017-02-01)Air-conditioning and refrigeration systems are extensively adopted in homes, industry and vehicles. An important step in achieving a better performance and a higher energy efficiency for air-conditioning and refrigeration ... -
Modelling and Optimization of an Airflow Window with Between-the-Panes Shading Device
(University of Waterloo, 2006)Abstract <br /> This thesis deals with the numerical investigation of the upper section of a building-integrated photovoltaic/thermal double-façade. The upper section consists of an airflow window with a between-the-panes ... -
Modelling Axial Turbomachinery for Compressed Air Energy Storage
(University of Waterloo, 2018-03-07)Climate change and negative environmental effects from a human’s life style have ignited the search for grid-scale electricity production from renewable energy sources. Significant advances with respect to renewable energy ... -
Modelling Dissolution of Precipitate Phases During Homogenization of Aluminum Alloy B319
(University of Waterloo, 2016-01-19)Increasing the knowledge about the heat treatment of Aluminum alloys as light metals can be useful since these alloys are used in automotive industry, and optimizing their heat treatment processes can be beneficial ... -
Modelling Microstructure-Property Relationships in Polycrystalline Metals using New Fast Fourier Transform-Based Crystal Plasticity Frameworks
(University of Waterloo, 2019-02-04)The present thesis develops several new full-field, fast Fourier transform (FFT)-based crystal plasticity modelling tools for microstructure engineering. These tools are used to explore elasto-viscoplastic deformation, ... -
Modelling of cavitation in nozzles for diesel injection applications
(University of Waterloo, 2014-08-14)Extreme low pressure regions develop in the high pressure direct injection fuel flow inside the fuel injector holes, compelling the liquid fuel to transform to vapour phase in the form of vapour cavities or bubbles, a ... -
Modelling of the Forging Process for a Magnesium Alloy Automotive Control Arm
(University of Waterloo, 2018-04-30)The automotive industry has placed significant emphasis on weight reduction to achieve better fuel economy while maintaining safety and quality standards. One way this can be achieved is by using forged magnesium alloys ... -
Modelling Physical Mechanisms of Nodule Development in Phonotraumatic Vocal Hyperfunction using Computational Vocal Fold Models
(University of Waterloo, 2023-08-24)Vocal hyperfunction is a prevalent voice disorder with significant impacts on the daily lives of patients, but has poorly understood causes. At its root, vocal hyperfunction is neurological, involving excessive muscular ... -
Modelling the micro-damage process zone during cortical bone fracture
(Elsevier, 2020-02-01)Cortical bone employs intrinsic toughening mechanisms to delay crack growth initiation and propagation hence increasing its fracture toughness. Computational models of the bone fracture process though do not explicitly ... -
Mold Feature Recognition using Accessibility Analysis for Automated Design of Core, Cavity, and Side-Cores and Tool-Path Generation of Mold Segments
(University of Waterloo, 2012-09-20)Injection molding is widely used to manufacture plastic parts with good surface finish, dimensional stability and low cost. The common examples of parts manufactured by injection molding include toys, utensils, and casings ... -
Molecular Dynamics Simulation for Nanoparticle-Surface Collision
(University of Waterloo, 2021-09-29)Nanoparticles are referred to as those particles with at least one dimension less than 100nm. Their small sizes lead to high surface area to volume ratios, which results in physi-cal and chemical properties different from ... -
Molecular Simulation of Chemically Reacting Flows Inside Micro/Nano-channels
(University of Waterloo, 2013-09-27)The main objective of this thesis is to study the fundamental behaviour of multi-component gas mixture flows in micro/nano-channels undergoing catalytic chemical reactions on the walls. This work is primarily focused on ...