PhD Dissertations - DO NOT EDIT
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High Magnification Surface Topography based Digital Image Correlation (DIC) for Identifying Damage Accumulation and Crack Growth in Polycrystalline Nickel
(2023-08-09)Damage index parameters that have been formulated to identify damage localization in plastically deformed materials typically require all six stress or strain components. Recently, simulations through Crystal Plasticity ... -
Optimal Aggressive Constrained Trajectory Synthesis and Control for Multi-Copters
(2023-08-04)Multi-copters have become increasingly popular in recent years due to their availability, mobility, agility, and flexibility. They serve as excellent platforms for control experiments and various applications. Their ... -
Investigation of Thermal Performance Enhancement and Thermo-mechanical Assessment of ITE using Single-Phase Immersion Cooling Technology
(2023-08-25)**Please note that the full text is embargoed until 08/01/2024** The use of air-cooling as a thermal management technique in data centers has consistently maintained its importance, however its efficacy is limited to CPUs ... -
EVALUATION AND OPTIMIZATION OF THERMAL SOLUTIONS IN AIR AND LIQUID COOLING SYSTEMS FOR DATACENTERS
(2023-08-28)**Please note that the full text is embargoed until 8/1/2024** ABSTRACT: A data center is a specifically constructed establishment designed to accommodate computing, storage, and transmission equipment, thereby facilitating ... -
Experimental investigation of Fischer-Tropsch synthesis with a modified catalyst support
Energy demand has been rapidly increasing in the last 30 years due to the population growth and high demand by industries. However, as natural energy sources are limited, they cannot meet this increased energy demand. ... -
RECONFIGURABLE ELECTROCHEMICAL BIOSENSOR ENABLED BY DIGITAL MICROFLUIDIC DEVICES
The increasing demand for improving the health care quality in developed countries with synchronous advances in the microfabrication of CMOS devices results in the emergence of the Lab-on-a-chip (LOC) field. The ultimate ... -
Numerical and Analytical Study of Curvature Effects in Laminar Shock Wave/Boundary Layer Interactions
Shock wave/boundary-layer interactions (SBLIs) are one of the most complex flow phenomena because of the different types of physics involved (i.e., viscous versus inviscid) and their side effects such as boundary layer ... -
A New Adaptive Multiscale Approach for the Dynamic Modeling and Simulation of Biomolecular Systems
This dissertation presents three developments in the simulation of sub-micron dynamical systems. First, a new thermostat formulation is shown to strictly enforce the constant temperature constraint necessary in many ... -
Inverse Analysis of Heat Generating Body for Safety Applications
Inverse thermal analysis and its applications have been applied to numerous fields of science and engineering. Historically during the 1950's and early 1960's, space programs played a significant role in the advancement ... -
ENERGY AND WATER IMPACTS OF DATA CENTER COOLING SYSTEMS: A TRIPLE BOTTOM LINE ASSESSMENT FOR FACILITY DESIGN
(2015-12-10)Increasingly, society is being transferred to a dependence upon electronic technologies and networked systems, usually accessed via the internet. Physically, these systems reside within clusters of servers and storage ... -
Interactions of Vortices with Differing Creation Mechanisms in the Wake of a Normal Flat Plate-Delta Flat Plate Couple: A Numerical Study.
(2022-08-15)**Please note that the full text is embargoed until 8/13/2024** ABSTRACT: Fluid flow is characterized by the presence of various coherent vortical structures such as vortex tubes, vortex streets, and eddies. When these ... -
Infrared and Fluorescent Thermal Imaging and Thermal Transport Characterization of Engineering Devices and Systems
(2022-08-15)Infrared (IR) thermal imaging is widely used for non-contact temperature measurement in engineering. IR camera detects thermal emissions from the target surface in a certain wavelength range, which, using the known surface ... -
In-situ Observation of Extrusion Process in Thermoplastic Material Extrusion Based Additive Manufacturing
(2022-08-15)In thermoplastic material extrusion-based additive manufacturing, solid polymer filaments are fed into extruders to generate extrudates that are needed to build 3D plastic products. There is a finite gap between the inner ... -
Cold Plate Based Dynamic Liquid Cooling at Data Center and Chip Level
(2022-07-26)The rising demand for high-performance central and graphical processing units has resulted in the need for more efficient thermal management techniques like direct-to-chip liquid cooling. Direct Liquid Cooling using cold ... -
Assessment Of Contaminant Flowpaths In Airside Economization And Analysis Of Thermal Performance At Tank And Server Level For Single-phase Immersion Cooled Data Centers
(2022-05-03)The last two decades of 2000 have seen an explosion of utilization and reliance on digital technologies and platforms. During this time, electronic devices have undergone intense miniaturization and a corresponding rise ... -
THEORETICAL PREDICTION OF MECHANICAL BEHAVIOR OF REGULAR AND CHIRAL HONEYCOMBS BASED ON LOADING OF SINGLE CELL.
(2022-01-10)Cellular solids are both naturally occurring and man-made materials depending on the characteristic length or Stochastic manner, these materials exhibit a low-relative density usually 30% than the constituent solid material. ... -
Characterization and Enhancement of Fatigue and Fracture properties in Thermoplastic FFF Parts using In-Situ Annealing
(2021-12-21)Fused filament fabrication (FFF) show high anisotropy and reduced mechanical properties as compared to conventional manufacturing techniques. This happens due to the poor interlaminar bonding between the layers, as a result ... -
Conceptual Design level Airframe/Propulsion Integration Using the Generic Synthesis Framework AVDS.
(2023-03-14)In the past few decades there has been a significant growth in commercial aerospace transportation encompassing both atmospheric and space flight. In fact, the aircraft industry has seen several generations of engines ... -
THE DEVELOPMENT AND CHARACTERIZATION OF PIEZOELECTRIC- MAGNETOSTRICTIVE SMART SELF-SENSING COMPOSITES
(2022-06-01)The composites industry is expanding due to the growing global demand for high-performance materials. How do you ensure the production of composites is as smooth and effective as possible while maintaining the high quality ... -
EFFECT OF THERMAL CONDUCTIVITY, REYNOLDS NUMBER, ASPECT RATIO AND PACKING ARRANGEMENT ON RADIAL HEAT TRANSFER IN PACKED BEDS
(2021-08-10)The key motivation for this research is to study heat transfer developments in packed beds. The radial heat transfer enhancement of a packed bed in the laminar flow region is one of the major areas of ongoing research in ...