Browsing PhD Dissertations - DO NOT EDIT by Issue Date
Now showing items 21-40 of 239
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A Least-squares/Galerkin Split Finite Element Method For Incompressible And Compressible Navier-Stokes Equations
(Aerospace Engineering, 2008-09-17)Over the years Galerkin finite element method along with its variants has been used to solve incompressible and compressible Navier-Stokes equations. The Galerkin method which is more suited for self-adjoint type system ... -
Optimal-control Theoretic Methods For Optimization And Regulation Of Distributed Parameter Systems
(Aerospace Engineering, 2009-09-16)Optimal control and optimization of distributed parameter systems are discussed in the context of a common control framework. The adjoint method of optimization and the traditional linear quadratic regulator implementation ... -
Characterization And Cooling Capacity Enhancement Of A Porous Ceramic Wick Based Coldplate
(Mechanical Engineering, 2009-09-16)Current passive cooling methods of aerospace and military, high heat-flux electronics include the use of thermal planes made of exotic metal alloys, which have been designed, at a great expense, to have high thermal ... -
Experimental Investigation Of Flow Boiling And Spray Cooling On Enhanced Surfaces In FC-72
(Mechanical Engineering, 2009-09-16)In this study the effect of a recently developed, thermally conductive microporous coating on flow boiling and spray cooling performance was studied using FC-72 as the working fluid. The overall goal is to further increase ... -
Development Of A Quantum Dot Mediated Thermometry For Minimally Invasive Thermal Therapy
(Mechanical Engineering, 2009-09-16)Thermally-related, minimally invasive therapies are designed to treat tumors while minimizing damage to the surrounding tissues. Adjacent tissues become susceptible to thermal injury to ensure the cancer is completely ... -
Semi-analytical Complex Variable Based Stochastic Finite Element Method
(Mechanical Engineering, 2009-09-16)The stochastic finite element method (SFEM) is an approach that allows an analyst to define material, load, and geometry parameters as random variables to represent uncertainty in an engineering problem. The method is then ... -
Pool Boiling Heat Transfer Characteristics Of Nanofluids And Nanocoatings
(Mechanical Engineering, 2010-03-03)This research is a qualitative and quantitative investigation to understand the behaviors of nanofluids and nanocoated surfaces during pool boiling heat transfer. The pool boiling behavior of low concentration nanofluids, ... -
A Unified Analysis Of Stiffener Reinforced Composite Beams With Arbitrary Cross-section
(Mechanical Engineering, 2010-03-03)A number of methods are available to analyze the laminated composite beams using smear property of laminate stiffness ignoring unsymmetrical behavior of laminates. Some include their effect of laminate but did not include ... -
Analysis Of Data Center Cooling Strategies And The Impact Of The Dynamic Thermal Management On The Data Center Efficiency
(Mechanical Engineering, 2010-03-03)The power trend for Server systems continues to grow thereby making thermal management of Data centers a very challenging task. Although various configurations exist, the raised floor plenum with Computer Room Air Conditioners ... -
Topology Optimization Using Hyper Radial Basis Function Network
(Mechanical Engineering, 2010-03-03)Topology optimization has been conventionally used in automobile and aerospace industries to produce lightweight structures for minimum compliance or maximum fundamental frequency. Today, topology optimization finds ... -
Effect Of Structural Design Parameters On Wafer Level CSP Ball Shear Strength And Their Influence On Accelerated Thermal Cycling Reliability
(Mechanical Engineering, 2010-07-19)Wafer level chip scale package (WLCSP) is one of the most popular packages due to its size and cost advantages. It is expected that the usage of WLCSP in microelectronics and MEMS industry combined is going to cross 16000 ... -
Aircraft Conceptual Design - An Adaptable Parametric Sizing Methodology
(Aerospace Engineering, 2010-07-19)Aerospace is a maturing industry with successful and refined baselines which work well for traditional baseline missions, markets and technologies. However, when new markets (space tourism) or new constrains (environmental) ... -
Effective Thermal Management Of Electronic Devices From System To Die Level
(Mechanical Engineering, 2010-07-19)In any electronic device, the resistance to the flow of current through the transistors, interconnects, etc. results in a significant heat generation. If this heat is not removed from the device by providing appropriate ... -
Ideal Cycle Analysis Of A Regenerative Pulse Detonation Engine For Power Production
(Mechanical Engineering, 2011-03-03)Over the last few decades, considerable research has been focused on pulse detonation engines (PDEs) as a promising replacement for existing propulsion systems with potential applications in aircraft ranging from the ... -
Fabrication Of Micropatterns On 3D Surfaces And Generation Of Linked ZnO Nanowires
(Mechanical Engineering, 2011-07-14)Conventional lithographic approaches are good at fabricating structures on the top surfaces of substrates. They are not suited for 3D surface patterning due to the fact that vertical radiation exposure is employed to ... -
Development Of An Experimental And Analytical Model Of An Active Cooling Method For High-power Three-dimensional Integrated Circuit (3D-IC) Utilizing A Multidimensional Configured Thermoelectric Modules
(Mechanical Engineering, 2011-07-14)An increase in demand for more functionality and capacity of microelectronic components within the same logistic footprint drives the growth of three-dimensional integrated circuit (3D-IC) packaging technologies in recent ... -
Hybrid Dynamic Simulation For Performance Optimization Of Legged Mechanisms
(Mechanical Engineering, 2011-07-14)Agile locomotion is needed for mobile robots to efficiently navigate challenging terrain. The ability of an agile legged mobile robot to abruptly change trajectory allows it toquickly react to obstacles and successfully ... -
Experimental And Numerical Investigation Of Transesterification Of Vegetable Oil With A Continuous Flow Capillary Reactor
(Mechanical Engineering, 2011-10-11)Biodiesel, Fatty Acid Methyl Ester (FAME), is a renewable fuel that is a promising alternative to fossil fuels in the future. Biodiesel not only has similar properties to diesel derived from fossil fuel, but it also provides ... -
Modeling And Control Of Automatic Transmission With Planetary Gears For Shift Quality
(Mechanical Engineering, 2011-10-11)Automatic transmission is a major component in a vehicle that transmits the power source from the engine to the drive wheels of the vehicle. To improve fuel economy, reduce emission and enhance driving performance, many ... -
Analysis Of Pulse Detonation Turbojet Engines
(Aerospace Engineering, 2012-04-11)Research over the last two decades has shown the potential advantages of pulse detonation engines (PDEs) over existing aero-engines in terms of improved thermodynamics efficiency, improved thrust performance, simplicity ...