Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1080-1099 of 1509
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Novel Infusion Procedure for Antimicrobial Fabric Generation
(University of Waterloo, 2023-07-25)Antimicrobial fabrics are fabrics that can kill or slow down the growth of microorganisms that contact the fabric. It is a massive field that is developing due to the sheer variety of fabrics that are possible. Antimicrobial ... -
A Novel Lab-on-chip System for Counting Particles/Cells Based on Electrokinetically-induced Pressure-driven Flow and Dual-wavelength Fluorescent Detection
(University of Waterloo, 2013-12-10)For the past two decades, flow cytometry has been widely used as a powerful analysis tool for the diagnosis of many diseases due to its ability to count, characterize and sort cells. However, conventional flow cytometers ... -
Novel Laser Based NiTi Shape Memory Alloy Processing Protocol for Medical Device Applications
(University of Waterloo, 2014-04-01)The unique performance offerings of NiTi based shape memory alloys (SMAs), which includes the shape memory effect (SME), pseudoelasticity (PE) and biocompatibility have led to widespread acceptance of these alloys as ... -
A novel membrane electrode assembly design for proton exchange membrane fuel cells: Characterization and performance evaluation
(Elsevier, 2019-03-10)Conventional membrane-electrode assembly (MEA), a key component in proton exchange membrane fuel cells, only operates reasonably within a narrow range of operating conditions. In this study, a scaled-up MEA that can perform ... -
Novel MEMS Tunable Capacitors with Linear Capacitance-Voltage Response Considering Fabrication Uncertainties
(University of Waterloo, 2008-04-23)Electrostatically actuated parallel-plate MEMS tunable capacitors are desired elements for different applications including sensing, actuating and communications and RF (radio frequency) engineering for their superior ... -
Novel Methods in Ball Bond Reliability Using In-Situ Sensing and On-Chip Microheaters
(University of Waterloo, 2013-01-18)Wire bonding is the process of creating interconnects between the circuitry on a microchip and PCB boards or substrates so that the microchip can interact with the outside world. The materials and techniques used in this ... -
A novel microfluidic resistive pulse sensor with multiple voltage input channels and a side sensing gate for particle and cell detection
(Elsevier, 2019-04-04)Traditionally, a resistive pulse sensor (also known as Coulter counter) works by letting a particle pass through a small orifice in an electrolyte solution. The detection sensitivity mainly relies on the volume ratio of ... -
Novel Semi-Active Suspension with Tunable Stiffness and Damping Characteristics
(University of Waterloo, 2013-01-15)For the past several decades there have been many attempts to improve suspension performance due to its importance within vehicle dynamics. The suspension system main functions are to connect the chassis to the ground, ... -
Novel Soft-Rigid Hybrid Robotics Approach Enabled via Multilayered Bellow-type Soft Pneumatic Actuator
(University of Waterloo, 2023-08-21)Soft robotics is an emerging field characterized by compliant and adaptable structures, presents unique challenges and opportunities for technological advancements. The thesis provided herein aimed to explore various soft ... -
A Novel System for the Measurement of Dynamic Loading on a Bicycle Frame
(University of Waterloo, 2013-02-21)The design of bicycle frames has remained fairly static for the majority of the past century, but recent increases in demand for high performance bicycles has created an accelerated design cycle that requires innovation. ... -
Novel Tornado-Like Vortex Generator with Intelligent Controller
(University of Waterloo, 2021-01-29)Cooking fumes may cause multiple adverse health effects, and range hoods play central roles in controlling indoor air pollution caused by cooking fumes. However, the traditional design of the range hoods has a low efficiency ... -
A Novel Universal Corner Module for Urban Electric Vehicles: Design, Prototype, and Experiment
(University of Waterloo, 2017-08-25)This thesis presents the work of creating and validating a novel corner module for a three-wheeled urban electric vehicle in the tadpole configuration. As the urban population increases, there will be a growing need for ... -
Numerical Analysis of Convective Heat Transfer in Fenestration with Between-the-Glass Louvered Shades
(Elsevier, 2009-10)A two-dimensional steady laminar natural convection model of a window cavity with between-panes louvers (i.e., slats) was developed by approximating the system as a vertical cavity with isothermal walls at different ... -
Numerical Analysis of Natural Convection Heat Transfer for Windows with Porous Screening Material
(University of Waterloo, 2009-05-26)A numerical study of natural convection across a window cavity with an insect screen was performed in order to investigate the effects of changing several variables on the heat transfer through the system. A two-dimensional, ... -
Numerical Analysis of Transpiration Cooling on a Turbulent Flat Plate
(University of Waterloo, 2020-01-14)Transpiration cooling is a promising thermal protection system for gas turbines, atmospheric re-entry heat shields, and rocket engine combustion chambers. Design of transpiration cooling systems must rely on numerical ... -
A numerical and experimental study on a prototype "fish-friendly" water turbine swirl injector
(University of Waterloo, 2017-01-20)The ever increasing demands for energy world-wide has prompted research into and implementation of devices to harvest power from renewable sources of energy, such as hydroelectricity. Large-scale hydroelectric plants have ... -
Numerical Failure Pressure Prediction of Crack-in-Corrosion Defects in Natural Gas Transmission Pipelines
(University of Waterloo, 2010-08-25)The aim of this study was to use the finite element method to model crack, corrosion, and Crack-in-Corrosion defects in a pipeline. The pipe material under investigation for this study was API 5L X60, 508 mm diameter with ... -
A Numerical Investigation of Heat Transfer Coefficients for Indoor Window Insect Screens
(University of Waterloo, 2012-01-23)Due to rising energy prices as well as supply and ecological concerns, there is a strong interest in reducing the energy used in buildings. As such, it is desirable to model the operation of a building and predict its ... -
Numerical Investigation of Multi-compartment Fire Scenarios using Large Eddy Simulation (LES)
(University of Waterloo, 2016-08-16)The selected fire scenario corresponds to the Propagation d’un Incendie pour des Scenarios Multi-locaux Elementaires (PRISME) Integral Test 4, which is a multi-room configuration with a single pool fire burning Hydrogenated ... -
Numerical Investigation on Turbulent Non-premixed Methanol Flames Using Conditional Source-term Estimation
(University of Waterloo, 2015-12-18)Conditional Source-term Estimation (CSE) is a turbulent combustion model that uses conditional averages to close the chemical source term. Previous CSE studies have shown that the model is able to predict the flame ...