Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 981-1000 of 1495
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Modeling Dynamic Systems for Multi-Step Prediction with Recurrent Neural Networks
(University of Waterloo, 2017-12-20)This thesis investigates the applicability of Recurrent Neural Networks (RNNs) and Deep Learning methods for multi-step prediction of robotic systems. The unmodeled dynamics and simplifying assumptions in classic modeling ... -
Modeling Fenestration With Shading Devices In Building Energy Simulation: A Practical Approach
(International Building Performance Simulation Association, 2009-07)The use of operable shading devices impacts building loads significantly. The need exists for an explicit treatment of window shading devices in the design of energy efficient buildings through simulation. A general framework ... -
Modeling Nanoparticle Generation in a Corona Charger
(University of Waterloo, 2018-07-05)The charging of airborne particles is an important process in both scientific studies and industrial applications. Recently, a new type of apparatus based on aerodynamic particle focusing and the corona charger technique ... -
Modeling of Biofuelled HCCI Engines with a Parallel Multizone Model
(University of Waterloo, 2011-08-30)With growing concerns over emissions, homogeneous charge compression ignition (HCCI) engines offer a promising solution through reducing NOx and particulate emissions and increasing efficiency. However, this technology is ... -
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 ...