Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 840-859 of 1483
-
Joining of Silver Nanoparticles: Computer Simulations and Experimental Observations
(University of Waterloo, 2016-02-18)Abstract This dissertation introduced a new type of high aspect ratio silver nanoparticle, synthesized by assembly and joining of hexagonal and triangular nanoplates. The synthesis procedure is a simple mixing at room ... -
Kinematic and three-dimensional dynamic modeling of a biped robot
(Sage, 2017-03-01)This article focuses on inverse kinematic formulation and dynamic modeling of the Nao biped robot's lower body, accompanied by verification with the joints' angles as experimental data. Dynamic modeling in two different ... -
Kinematics-Based Recovery Metrics and Inertial Measurement Units to Monitor Recovery Post-Knee Arthroscopic Surgery: A Case Study
(University of Waterloo, 2023-01-05)Physiotherapy after lower-limb injury or surgery is essential for recovery of range of motion, functional movement, strength, and return to sport. Clinicians assess patients, prescribe rehabilitation exercises, and monitor ... -
Kinetics of Carbide Precipitation during Laser Beam Welding of Dual-Phase and Martensitic Steels
(University of Waterloo, 2016-09-14)In order to ensure a high passenger safety and reduce greenhouse gas emissions, dual-phase (DP) and martensitic steels (MS) are increasingly being used in the automotive industries. However, the main issue in the welding ... -
A Knowledge-based Energy-saving Approach to PWM Control of a Novel Integrated Pneumatic Valve
(University of Waterloo, 2008-05-21)As manufacturers, the automotive industry, and many other sectors face an increasingly competitive global business environment; they seek opportunities to reduce production costs by reducing energy consumption. Energy costs ... -
A Label-Free Biosensor for Heat Shock Protein 70 Using Localized Surface Plasmon Resonance
(University of Waterloo, 2012-07-09)Heat shock protein 70 (HSP70) is an important health related biomarker, being implicated as an early stage cancer marker and as an indicator of cardiac health. It also has important implications in wildlife environmental ... -
Laboratory Evaluation of Low to Medium Cost Particle Sensors
(University of Waterloo, 2017-12-21)Low cost instruments for particulate matter monitoring directly benefits researchers, governments, and public with the overall goal of reducing the adverse effects of air pollution. As a result, companies have been rushing ... -
Lagrangian Flow Field Reconstruction Based on Constrained Stable Radial Basis Function
(University of Waterloo, 2023-04-27)Recent advances in three-dimensional (3D) high seeding density time-resolved Lagrangian particle tracking (LPT) techniques have made diagnosing fluid flows at high resolution in space and time under a Lagrangian framework ... -
A Lagrangian model for hardening behaviour of materials at finite deformation based on the right plastic stretch tensor
(Elsevier, 2010-05-01)In this paper a modified multiplicative decomposition of the right stretch tensor is proposed and used for finite deformation elastoplastic analysis of hardening materials. The total symmetric right stretch tensor is ... -
Laminar Free Convection from a Pair of Horizontal Cylinders: A Three-Temperature Problem
(2015-06)The formulation of multi-temperature convection problems in terms of a single driving temperature difference and a single heat transfer coefficient does not properly reflect the physics of the problem. Paired heat transfer ... -
Laminar Separation Bubble Dynamics on a Finite Wing
(University of Waterloo, 2021-07-30)Laminar separation bubbles substantially influence the performance of finite wings at low chord Reynolds numbers. The objective of this study is to explore the influence of wingtip effects on three-dimensional laminar ... -
Laminated Injection Mould with Conformal Cooling Channels: Optimization, Fabrication and Testing
(World Academic Publishing, 2013-06-01)Conformal cooling channels follow the cavity shape and can provide a better cooling performance in injection moulds. Laminated tooling is one of the techniques for manufacturing injection moulds with conformal cooling ... -
Large Eddy Simulation of Partially Premixed Flames using Doubly Conditional Source-term Estimation
(University of Waterloo, 2019-11-28)Doubly Conditional Source-term Estimation (DCSE) is a partially premixed formulated closure to model turbulent combustion. The conditioning variables are selected to be mixture fraction and progress variable to represent ... -
A Large-Stroke Electrostatic Micro-Actuator
(University of Waterloo, 2011-01-17)Parallel-plate electrostatic actuators driven by a voltage difference between two electrodes suffer from an operation range limited to 30% of the gap that has significantly restrained their applications in Microelectromechanical ... -
Laser Absorption Chemical Species Tomography
(University of Waterloo, 2013-08-07)This thesis outlines two advancements in the field of limited data absorption tomography. First, a novel reconstruction algorithm integrating the use of level set methods is presented that incorporates the additional a ... -
Laser Brazing of Magnesium to Steel Sheet
(University of Waterloo, 2013-10-24)The ability to effectively join magnesium alloys to steel will facilitate increased application and use of Mg alloys in the automotive and aerospace industries where joining Mg alloys to steel in order to achieve light ... -
Laser Direct Deposition of Metal Matrix Diamond Composite
(University of Waterloo, 2016-01-04)Diamond, the hardest natural material known to humankind, is an ideal candidate for cutting and wear application, however implementing diamond in tooling is not without its challenges. Consequentially, these challenges ... -
Laser Doppler Anemometry and Acoustic Measurements of an S822 Airfoil at Low Reynolds Numbers
(University of Waterloo, 2011-04-26)Experimental aeroacoustic research was conducted on a wind turbine specific airfoil at low Reynolds numbers. The goal of this thesis was to study trailing edge noise generation from the airfoil and investigate correlations ... -
Laser fabrication and performance of NiCr strain gauges
(University of Waterloo, 2022-10-26)Increasing demand for smart devices has spurred the development of advanced sensors with smaller and more adaptable form factors. The integration of thin film technology into sensors such as strain gauges has the potential ... -
Laser Microwelding of Fine Wires using Femtosecond Pulses
(University of Waterloo, 2014-09-19)An alternative wire joining method is explored that utilizes femtosecond laser pulses directed towards the contact point of two pieces of 25-μm diameter Au bonding wires typically used in microelectronics wire bonding. The ...