Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 589-608 of 1507
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Experimental Characterization and Numerical Modelling of the Interfacial Heat Transfer Coefficient in Hot Stamping of Al-Si Coated 22MnB5 Steel
(University of Waterloo, 2023-10-18)In automotive hot stamping of Al-Si coated 22MnB5 steel, the heat transfer coefficient (HTC) between the blank and die is crucial for predicting the mechanical properties of the as-formed part. While average HTCs associated ... -
Experimental Characterization of the Compressive Behaviour of Gas Diffusion Layers in PEM Fuel Cells
(University of Waterloo, 2014-10-17)Successful commercialization of polymer electrolyte membrane (PEM) fuel cells is highly dependant on performance of the membrane electrode assembly (MEA). The performance of the gas diffusion layer (GDL) of the MEA is ... -
Experimental Evaluation of Affordance Detection Applied to 6-DoF Pose Estimation for Intelligent Robotic Grasping of Household Objects
(University of Waterloo, 2021-11-22)Recent computer vision research has demonstrated that deep convolutional neural networks can be trained on real images to add context to object parts for simultaneous object detection and affordance segmentation. However, ... -
Experimental Evaluation of Flow-Measurement-Based Drag Estimation Methods
(University of Waterloo, 2014-05-16)The accuracy of existing methods for estimating the drag based on experimental flow field measurements were assessed for two-dimensional bodies. The effects of control volume boundary placement and inherent simplifying ... -
Experimental fracture characterisation of an anisotropic magnesium alloy sheet in proportional and non-proportional loading conditions
(Elsevier, 2018-07)A comprehensive experimental investigation was performed to characterize the fracture behaviour of a rare-earth magnesium alloy sheet, ZEK100-O, under both proportional and non-proportional loading conditions. This material ... -
Experimental Investigation and Multi-scale Modeling of Strain Localization, Shear Banding and Fracture in Precipitation Hardened Aluminum Alloys
(University of Waterloo, 2019-05-23)Finite element (FE) simulations are widely used in automotive design processes to model the forming and crashworthiness behavior of structural materials. Comprehensive material characterization and the availability of ... -
Experimental Investigation of a Normally Impinging Planar Jet
(University of Waterloo, 2017-12-08)Impinging jets are commonly employed in engineering applications, such as cooling and drying processes, requiring relatively high local transport properties. Flow development of a planar impinging jet and the effect of ... -
An Experimental Investigation of Ignition Propensity of Hot Work Processes in the Nuclear Industry
(University of Waterloo, 2014-04-30)The National Fire Code of Canada (NFCC) is one model code which regulates hot work in Canada. The code specifies that hot work processes need only create heat to be considered hot work processes, and requires that precautions ... -
Experimental Investigation of the Effect of Wall Adaptation on Flow Over a Cylinder in a Modernized Adaptive-Wall Wind Tunnel
(University of Waterloo, 2010-02-19)A renovation of an adaptive-wall wind tunnel was completed to improve flow quality, automate data acquisition, integrate a three-axis traversing mechanism, and regain functionality of an adaptive-wall test section. Redesign ... -
An Experimental Investigation of the Fire Characteristics of the University of Waterloo Burn House Structure
(University of Waterloo, 2006)This thesis reports on the procedure, results and analysis of four full scale fire tests that were performed at the University of Waterloo's Live Fire Research Facility. The purpose of these tests was to investigate the ... -
Experimental Investigation of the Flow Behaviour Inside a Centrifugal Impeller Channel at Design and Off-Design Flow Rates
(University of Waterloo, 2007-06-27)An experimental study of the flow behavior inside the channels of an 8-blade backswept low specific speed impeller at design and off-design conditions is presented. The measurements took place at both the inlet and the ... -
Experimental Investigation of Transition over a NACA 0018 Airfoil at a Low Reynolds Number
(University of Waterloo, 2011-07-27)Shear layer development over a NACA 0018 airfoil at a chord Reynolds number of 100,000 was investigated experimentally. The effects of experimental setup and analysis tools on the results were also examined. The sensitivity ... -
Experimental Investigation on Tapping Noise in EVAP System of a Motor Vehicle
(University of Waterloo, 2014-05-08)Within automotive industry, Noise, Vibration and Harshness (NVH) has emerged to be one of the main research topics. Unlike attributes such as vehicle safety, drivability, and durability which are functionality criteria, ... -
Experimental Measurement of Effective Diffusion Coefficient in Gas Diffusion Layer/Microporous Layer in PEM Fuel Cells
(University of Waterloo, 2011-08-31)Accuracy in the effective diffusion coefficient of the gas diffusion layer (GDL)/microporous layer (MPL) is important to accurately predict the mass transport limitations for high current density operation of polymer ... -
Experimental Measurements of LiFePO4 Battery Thermal Characteristics
(University of Waterloo, 2014-04-29)A major challenge in the development of next generation electric and hybrid vehicle technology is the control and management of heat generation and operating temperatures. Vehicle performance, reliability and ultimately ... -
Experimental Methods for the Constitutive Characterization of Sheet Materials in Generalized Plane Strain
(University of Waterloo, 2022-07-11)Decreasing vehicle weight by substituting traditional steel for high-strength steel or aluminum is an effective way to improve fuel economy and decrease greenhouse gas emissions in the transportation sector. The optimization ... -
Experimental Studies of the Hydrodynamics of Liquid Droplet Generation and Transport in Microchannels
(University of Waterloo, 2014-06-18)Droplet microfluidics is a promising field since it overcomes many of the limitations of single phase microfluidic systems. The improved mixing time scale, the increase of number of samples and the isolation of droplets ... -
Experimental Studies on Iron-Based Catalytic Combustion of Natural Gas
(University of Waterloo, 2013-08-21)Catalytic combustion is an efficient method to reduce pollutant emissions produced by a variety of fuels. In this thesis, the use of iron pentacarbonyl (Fe(CO)5) as a catalyst precursor in the combustion of natural gas is ... -
Experimental study of flow through compressor Cascade
(Elsevier, 2017-09-01)The objective of this research work is to study the behaviour of flow at the inlet, within the blade passage and at the exit of a compressor cascade. For this purpose, a cascade with six numbers of aerofoil blades was ... -
Experimental Study of Thermal Degradation of Fire Resisting Compartment Partitions in Fires
(University of Waterloo, 2017-08-28)Fire separations in a building (e.g. walls) are often constructed from combustible materials; those containing wood stud framing, mineral wool insulation, and gypsum board wallcoverings are commonplace in Canadian residential ...