Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1407-1426 of 1494
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Thermal Resistance Measurement Of Glazing System Edge-seals
(1989-11)The existing design of glazing system edge-seals creates increased edge-glass heat transfer at the perimeter of sealed glazing units. This thermal short-circuit caused by edge-seal conduction results in added mechanical ... -
Thermal resistance measurement of glazing system edge-seals and seal materials using a guarded heater plate apparatus
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1989)In cold climates the increased edge-glass heat transfer at the perimeter of a sealed glazing unit creates a special problem. This is where condensed water and frost most readily occur. One mechanism contributing to edge-glass ... -
Thermal Resistance of a Window with an Enclosed Venetian Blind: A Simplified Model
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2008)Solar gain has a strong influence on building energy consumption and peak cooling load. Venetian blinds are routinely used to control solar gain. Software based on 1-D models is available to accurately predict the thermal ... -
Thermal Resistance of a Window with an Enclosed Venetian Blind: Guarded Heater Plate Measurements
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2006)Window solar gain is known to have a strong influence on building energy consumption and peak cooling load. Venetian blinds are routinely used to control solar gain. Software based on one-dimensional models is available ... -
Thermoacoustic Instabilities in Counterflow Diffusion Flames
(University of Waterloo, 2019-09-23)Thermoacoustic instabilities arise in combustion systems from a coupling between the unsteady heat release of the flame and the underlying acoustic field. Although thermoacoustics have been studied extensively with regards ... -
Thermodynamic Modeling and Thermoeconomic Optimization of Integrated Trigeneration Plants Using Organic Rankine Cycles
(University of Waterloo, 2010-12-20)In this study, the feasibility of using an organic Rankine cycle (ORC) in trigeneration plants is examined through thermodynamic modeling and thermoeconomic optimization. Three novel trigeneration systems are considered. ... -
Thermomechanical response of laser processed nickel-titanium shape memory alloy
(University of Waterloo, 2012-04-10)The exciting thermomechanical properties of nickel-titanium shape memory alloys have sparked significant research efforts seeking to exploit their exotic capabilities. Until recently, the performance capabilities of ... -
Three-Dimensional CT Imaging and Microstructural Mechanical Modeling of Corrosion and Freeze-Thaw Damage of Concrete
(University of Waterloo, 2022-10-17)Corrosion and freeze-thaw can cause detrimental damage to concrete structures. Understanding concrete damage mechanisms at the micro-level can play an essential role in implementing effective preventive measures and efficient ... -
A three-dimensional damage percolation model
(University of Waterloo, 2007-01-19)A combined experimental and analytical approach is used to study damage initiation and evolution in three-dimensional second phase particle fields. A three-dimensional formulation of a damage percolation model is developed ... -
Three-dimensional micromechanical assessment of bio-inspired composites with non-uniformly dispersed inclusions
(Elsevier, 2019-03-15)Bio-inspired composites with hexagonal platelet and cylindrical inclusions were studied. A novel algorithm termed staggered hardcore algorithm (SHCA) was used to rapidly generate 3D periodic representative volume elements ... -
Three-dimensional wake development and structural loading on dual step cylinders in cross-flow
(University of Waterloo, 2014-10-31)Many cylindrical structures in engineering applications undergo flow-induced periodic loading due to the vortex shedding phenomenon. This can lead to early fatigue failure and be a source of unwanted noise. To mitigate or ... -
Time Resolved Laser Induced Incandescence Analysis of Metal Aerosols
(University of Waterloo, 2016-08-29)Synthetic nanoparticles are finding widespread adoption in a growing number of commercial and research applications. Their size dependent properties offer researchers a variety of ranging including targeted drug delivery, ... -
Time-dependent damage analysis for viscoelastic-viscoplastic structural laminates under biaxial loading
(Elsevier, 2018-11-01)Many composite structures are required to sustain severe thermo-mechanical loads over extended periods of time, during which viscoelastic and viscoplastic behavior can cause the progression of micro-damage. In this paper, ... -
Time-Optimal Feedrate Planning for Freeform Toolpaths for Manufacturing Applications
(University of Waterloo, 2018-03-19)Optimality and computational efficiency are two desired yet competing attributes of time-optimal feedrate planning. A well-designed algorithm can vastly increase machining productivity, by reducing tool positioning time ... -
Time-Optimal Trajectory Generation and Way-Point Sequencing for 5-Axis Laser Drilling
(University of Waterloo, 2016-10-28)Laser drilling provides a highly productive method for producing arrays of holes on planar and freeform shaped components. Industrial applications include fuel injection nozzles, printed circuit boards (PCB’s), inkjet ... -
Time-Optimal Trajectory Generation for 5-Axis On-the-Fly Laser Drilling
(University of Waterloo, 2011-06-24)On-the-fly laser drilling provides a highly productive method for producing hole clusters (pre-defined groups of holes to be laser drilled) on freeform surfaced parts, such as gas turbine combustion chambers. Although the ... -
TiO2 membranes for concurrent photocatalytic organic degradation and corrosion protection
(Society of Photo-optical Instrumentation Engineers, 2015-10-09)Organic contaminants and corrosion in water treatment effluents are a current global problem and the development of effective methods to facilitate the removal of organic contaminants and corrosion control strategies are ... -
TiO2 Nanomaterials: Photocatalysis and Multifunctional Water Treatment Applications
(University of Waterloo, 2017-05-03)Globalization has increased the demand for clean water sources and has increased water pollution due to increased standards of consumption, urbanization and industrial activities. This has necessitated improvements in ... -
Tool eccentricity in thick-plate aluminum alloy friction stir welds
(University of Waterloo, 2020-05-13)Tool eccentricity, i.e. the wobbling motion of a milling tool during rapid rotation caused by its slight offset from the spindle rotational axis, has been given very limited attention in the 20 years of friction stir welding ... -
Tooling ball detecting method design for ABB welding robot in automatic TIG welding process
(University of Waterloo, 2010-10-01)This thesis provides the design process for a new tooling ball detection method to calibrate moulds in automatic TIG welding. A mechanical component is designed to locate the tooling ball and convert the position information ...