Browsing Department of Mechanical and Materials Engineering Graduate Theses by Title
Now showing items 272-291 of 359
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On the Hydrodynamics of Anomalocaris Tail Fins
This thesis examines the hydrodynamic performance of a tail-fin abstraction of Anomalocaris canadensis, a large arthropod from the Cambrian period believed to have been an apex predator. Through direct force measurements ... -
An Open-Source Device for Tendon Actuated Wrist Motion
A wrist motion simulator or wrist motion actuator is a system that actuates a cadaver wrist to control the joint and move it through a variety of motions. Active wrist motion actuators apply forces directly to the tendons ... -
Optical Characterization of Indium Gallium Nitride for Application in High-Efficiency Solar Photovoltaic Cells
(2011-09-30)The semiconductor alloy indium gallium nitride (InxGa1-xN) offers substantial potential in the development of high-efficiency multi-junction photovoltaic devices due to its wide range of direct band gaps, strong absorption ... -
Optical Visualization of Two Phase Flow in PEM Electrolyzers
Polymer electrolyte membrane (PEM) electrolyzers are ideally suited to pairing with renewable energy sources given the capability to operate at high current densities and transition between different potential loading. ... -
Optimization of Batteries for Plug-In Hybrid Electric Vehicles
(2013-08-16)This thesis presents a method to quickly determine the optimal battery for an electric vehicle given a set of vehicle characteristics and desired performance metrics. The model is based on four independent design variables: ... -
Optimization of Sintering Conditions for Cerium-doped Yttrium Aluminum Garnet
YAG:Ce phosphors have become widely used as blue/yellow light converters in camera projectors, white light emitting diodes (WLEDs) and general lighting applications. Many studies have been published on the production, ... -
Optimizing fracture management: Correlating the physical and mechanical properties of bone to computed tomography to generate an estimate of bone quality
(2008-02-05)Non-invasive estimates of bone quality are of great interest as they could potentially improve the diagnosis and treatments for bone disorders, such as osteoporosis, and could aid in preoperative planning of surgical ... -
Pack Level Design Optimization for Electric Vehicle Thermal Management Systems Minimizing Standard Deviation of Temperature Distribution
(2013-10-30)Green technologies have recently gained interest for many reasons. Economic factors in conjunction with an increased social desire to reduce our environmental impact on the Earth have created a desire for more environmentally ... -
Packaging and Layout Optimization Using the Dynamic Vector Fields Method
Ever-increasing environmental regulations and competition within industry to create the best performing, most cost-effective product has driven the development of computational design, analysis and optimization tools. Many ... -
Part Load Characterization of a Small-Bore Diesel Piloted Dual Fuel Compression Ignition Engine with Methane
(2015-09-15)A 0.8L, 3 cylinder turbocharged diesel engine was retrofitted for premixed and port injected dual fuel operation. Diesel baseline testing was conducted and conventional diesel trends in efficiency and emissions were found ... -
Performance Analysis of a Transcritical CO2 Heat Pump Water Heater Incorporating a Brazed-Plate Gas-cooler
(2015-01-06)This study focuses on the experimental testing and numerical modeling of a 4.5 kW transcritical CO2 heat pump water heater at Queen’s University in the Solar Calorimetry Laboratory. Due to the predicted high heat rejection ... -
Performance Characteristics of a Diesel Fuel Piloted Syngas Compression Ignition Engine
(2012-05-30)The performance characteristics of a diesel fuel piloted syngas compression ignition engine are presented in this thesis. A stock Hatz 1D81 engine was converted to operate in dual fuel mode through the elimination of the ... -
Performance of Air-Air Ejectors with Multi-ring Entraining Diffusers
(2008-01-14)This research study considered subsonic short air-air ejectors with multi-ring entraining diffusers. Many references can be found for the design of air-air ejectors with solid diffusers. However, a limited amount of work ... -
Photovoltaic system performance enhancement: Validated modeling methodologies for the improvement of PV system design
(2015-06-03)Photovoltaic (PV) energy generation is rapidly expanding, driven by decreases in capital and operational costs. Modeling of expected energy output is a major factor affecting the operation and construction of these ... -
Position Control of a Pneumatic System Using Adaptive Intelligent Methods
(2012-06-21)Behrad Dehghan: Position Control of a Pneumatic System using Adaptive Intelligent Methods. M.A.Sc. Thesis, Queen’s University, June, 2012. A large body of research is devoted to the development of advanced control ... -
Posture and Lifting Exposure of Daycare Workers: A Pilot Field Study
(2014-09-30)Daycare workers are a specific population that may experience elevated risk of injury due to the tasks performed during normal work. Within daycares, workers are exposed to bent postures, job specific lifting conditions ... -
Preliminary Investigation into Solar Thermal Combi-system Performance
(2014-09-29)Solar thermal combi-systems use solar energy to provide thermal energy for space heating and domestic hot water. These systems come in many different designs and configurations, and their performance is dependent on many ... -
Preliminary Investigation into the Vibration Characteristics and Isolation Requirements of a Prototype MRI Scanner
Magnetic Resonance Imaging (MRI) is a powerful diagnostic and research tool, used extensively in diagnoses of brain diseases, musculoskeletal disorders or damage, and an- giography. A persistent issue with MRI machines is ... -
Pressureless Sintering and Mechanical Properties of SiC Composites with in-situ Converted TiO2 to TiC
(2010-09-22)Densification behaviour and mechanical properties (hardness, fracture toughness and flexural strength) of the SiC-TiC composite system were studied. Pressureless sintering experiments were conducted on samples containing ... -
Radiation Damage Effect on Mechanical Properties and Microstructure of X-750 Ni-based Superalloy
Inconel X-750 is an age-hardened Ni-based superalloy with high mechanical strength and creep resistance. The X-750 alloy is extensively used in the cores of reactors, such as spacers in CANada Deuterium Uranium (CANDU) ...