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Webcasting Made Interactive: Persistent Chat for Text Dialogue During and About Learning Events
(Springer, 2007)This paper presents a “persistent chat” extension to the ePresence Interactive Media webcasting infrastructure to support real-time commenting on and discussing of issues that arise during a learning event, followed by ... -
Evaporative drying of cupric-chloride droplets in a thermo-chemical cycle of hydrogen production
(2008-04-01)This thesis develops analytical and numerical solutions that predict behavior of Cupric-Chloride droplets undergoing spraying and drying processes. Cupric-Chloride (CuCl2) is present as molten salt and slurry within the ... -
Analysis of hydrodynamic phenomena in a fluidized bed for thermochemical hydrogen production
(2008-04-01)This thesis examines transport phenomena of cupric chloride (CuCI2) hydrolysis within a fluidized bed. Conversions of CuCi2 and steam as a fluidizing gas are numerically investigated using a new non-catalytic gas-solid ... -
Modeling and vibration analysis of a rocking–mass gyroscope system
(2008-04-01)Rocking-mass gyroscope consists of an assembly of four cantilever beams with a rigid mass attached to them in the middle subjected to base rotations. Due to the gyroscope effect, the beams undergo coupled flexural-torsional ... -
Energy, exergy and cost analyses of nuclear-based hydrogen production via thermochemical water decomposition using a copper-chlorine (Cu-CI) cycle
(2008-04-01)In this thesis the Copper-Chlorine (Cu-CI) thermochemical cycle and its components as well as operational and environmental conditions are defined, and a comprehensive thermodynamic analysis of a Cu-CI thermochemical cycle, ... -
Effects of blade configuration on flow distribution and power output of a zephyr vertical axis wind turbine.
(2008-07-01)Worldwide interest in renewable energy systems has increased dramatically, due to environmental concerns like climate change and other factors. Wind power is a major source of sustainable energy, and can be harvested using ... -
Multi-state system in a fault tree analsis of a nuclear based thermochemical hydrogen plant
(2008-07-01)Nuclear-based hydrogen generation is a promising way to supply hydrogen for this large market in the future. This thesis focuses on one of the most promising methods, a thermochemical Cu-Cl cycle, which is currently under ... -
Thermal performance analysis and geometrical optimization of automotive brake rotors.
(2008-07-01)The heat dissipation and thermal performance of ventilated brake discs strongly depends on the aerodynamic characteristics of the air flow through the rotor passages. In this thesis, the thermal convection is analyzed using ... -
Performance investigation of various cold thermal energy storages
(2008-07-01)This study deals with solidification and melting of some typical encapsulated ice thermal energy storage geometries. Using ANSYS GAMBIT and FLUENT 6.0 software, HTF fluid motion past encapsulated water (ice) geometries, ... -
Process analysis and aspen plus simulation of nuclear-based hydrogen production with a copper-chlorine cycle
(2008-08-01)Thermochemical processes for hydrogen production driven by nuclear energy are promising alternatives to existing technologies for large-scale commercial production of hydrogen, without dependence on fossil fuels. In the ... -
Design and analysis of the three degrees of freedom parallel kinematic machine
(2008-08-01)The thesis is about design and analysis of a PKM with 3 DOF. The new PKM is designed as a machine tool in various applications in manufacturing. The PKM is optimized based on the developed stiffness model. Kinematics and ... -
Thermodynamic analysis of molten carbonate fuel cell systems
(2008-12-01)This study deals with the thermodynamic analysis of a molten carbonate fuel cell (MCFC) hybrid system to determine its efficiencies, irreversibilities and performance.The analysis includes a performance investigation of ... -
Optimization-based mechanism synthesis using multi-objective parallel asynchronous particle swarm optimization
(2008-12-01)A distributed variant of multi-objective particle swarm optimization (MOPSO) called multi-objective parallel asynchronous particle swarm optimization (MOPAPSO) is presented, and the effects of distribution of objective ... -
Evaporative heat and mass transfer with solubility driven solidification of aqueous droplet flows
(2009-03-01)Nuclear-based hydrogen production via thermochemical water decomposition using a copper-chlorine cycle consists of a series of chemical reactions that split water into hydrogen and oxygen. This is accomplished through ... -
Advancing the technology development for better quality wood plastic composites: process ability study
(2009-03-01)Wood Plastic Composites (WPC) have advantages over natural wood such as improved stiffness, recyclability, and waste minimization. However, issues such as the difficulty of processing WPC with conventional methods, volatile ... -
Detecting and preventing the electronic transmission of illicit images
(2009-04-01)The sexual exploitation of children remains a very serious problem and is rapidly increasing globally through the use of the Internet. This work focuses on the current methods employed by criminals to generate and distribute ... -
Design and analysis of a three degrees of freedom (DOF) parallel manipulator with decoupled motions
(2009-04-01)Parallel manipulators have been the subject of study of much robotic research during the past three decades. A parallel manipulator typically consists of a moving platform that is connected to a fixed base by at least two ... -
Mass transport in the cathode electrode of a molten carbonate fuel cell
(2009-04-01)A molten carbonate fuel cell (MCFC) is an electro-chemical energy conversion technology that runs on natural gas and employs a molten salt electrolyte. In order to keep the electrolyte in this state, the cell must be kept ... -
Rapid rotational foam molding of integral skin polypropylene cellular composites
(2009-05-01)Rapid Rotational Foam Molding (RRFM) is a novel patent-pending process that was designed and developed to maximize the synergistic effects resulting from the deliberate combination of extrusion and rotational foam molding ... -
Design and development of an extended range electric bywire/wireless hybrid vehicle with a near wheel motor drivetrain
(2009-05-01)With automobile propulsion energy sources turning away from petroleum, the evolution of technology naturally lends itself to electrical hybrid vehicle architectures relying on alternatives as a primary electrical energy ...