School of Mechanical Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Mechanical Engineering.
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Recent Submissions
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Parallel wavelet-adaptive direct numerical simulation of multiphase flows with phase-change
(Georgia Institute of Technology, 2016-08-04)High-powered and high-energy density electronics are becoming more common with advances in computing, electric vehicles, and modern defense systems. Applications like these require efficient, compact, and economical heat ... -
Impact of connecting different types of energy simulation models for data center cooling and waste heat re-utilization
(Georgia Institute of Technology, 2016-08-01)Data centers are the facilities that house information technology (IT) equipment used for our daily digital activities. They are considered as one of the largest energy consumers and also the fastest growing industries in ... -
Assignment and pursuit in temporally heterogeneous robotic teams
(Georgia Institute of Technology, 2016-08-01)Traditionally, robotic systems are built to move as fast as possible. In contrast to this, we investigate slowness and its effects on heterogeneous robotic teams inspired by biological systems. An assignment problem for ... -
Shock and Vibration Isolation Concepts Through Use of Dynamic, Multi-Degree-of-Freedom Mechanical Systems
(Georgia Institute of Technology, 2016-07-27)Shock and vibration isolation continues to be an area of great interest to structural designers and to mount manufacturers. When the input disturbance is single-frequency or narrow-band, several techniques are available ... -
Air-cooled condensers for thermoelectric power generation
(Georgia Institute of Technology, 2016-08-01)Thermoelectric power generation accounts for a significant portion of the fresh water demand, with the majority of the water being used for steam condensation. Currently, many thermoelectric power plants use wet-cooled ... -
Exploration of Forward and Inverse Protocols for Property Optimization of Ti-6Al-4V
(Georgia Institute of Technology, 2016-07-26)The modeling and simulation of advanced engineering materials undergoing mechanical loading requires accurate treatment of relevant microstructure features, such as grain size and crystallographic texture, to determine the ... -
Exploring a novel energy-recovering architecture for hydraulic actuation
(Georgia Institute of Technology, 2016-08-02)This thesis begins through the introduction of a novel hydraulic actuation architecture and proceeds with the development of said architecture with respect to its control, sizing, and efficiency. Hydraulic actuation is ... -
Extreme Microgap Based Hotspot Thermal Management with Convective Boiling of Refrigerant
(Georgia Institute of Technology, 2016-07-21)Performance of the next generation microprocessors is rapidly reaching its limits due to inability to remove heat, especially at high power density from so-called local “hotspots”. Convective boiling heat transfer in ... -
Probing the dynamics of a simple jumping robot on hard and soft ground
(Georgia Institute of Technology, 2016-07-05)Jumping is an important behavior for many animals and robots. Unlike periodic gaits such as hopping or running, whereby energy generated in previous cycles can be leveraged to efficiently sustain motion, jumping relies ... -
Nanocellulose Reinforced Sheet Molding Compound for Automotive Composite Manufacturing
(Georgia Institute of Technology, 2016-05-31)The focus of this research is to investigate the potential of cellulose nanocrystals (CNC) as reinforcement in typical glass fiber/epoxy sheet molding compounds (SMC). The hypothesis is that addition of CNC can improve the ... -
Constrained Model Predictive Control for Compliant Position Tracking of Pneumatic Systems
(Georgia Institute of Technology, 2016-05-20)Pneumatic actuation is frequently applied to situations that warrant inherent compliance, such as prostheses, orthoses or walking robots, i.e., natural motions and applications in which interaction with humans/the environment ... -
MIXING AND SAMPLING IN A MICROFLUIDIC CHANNEL USING ROTATING MAGNETIC MICROBEADS
(Georgia Institute of Technology, 2016-05-20)This work presents a novel microsystem utilizing an array of rotating magnetic beads inside a microfluidic channel. The magnetic beads are actuated via an external rotating magnetic field dynamically magnetizing small (<10 ... -
Analysis of Uncertainty In Decay Heat For I2S-LWR
(Georgia Institute of Technology, 2015-07-29)Depletion studies were performed on an I2S-LWR quarter assembly lattice, and decay heat curves were generated considering sensitivity to enrichment, burnup, power, power oscillations, and fuel management strategy. Overall, ... -
Design of Maxillofacial Implants for Cosmetic and Reconstructive Procedures
(Georgia Institute of Technology, 2015-07-28)Maxillofacial surgery can be used to help appearance and restore function. Often there is a need to provide additional volume with soft tissue properties. This works explores the use of a new biomaterial invented at GT ... -
Design, Fabrication, and Reliability Study of Second-Level Compliant Microelectronic Interconnects
(Georgia Institute of Technology, 2015-07-24)Free-standing off-chip interconnects have high in-plane and out-of-plane compliance and are being pursued in academia and industry to reduce die stresses and to enhance interconnect reliability. The geometry of the compliant ... -
Characterization of sphingolipid-based stress responses in the yeast Saccharomyces cerevisiae through reverse engineering
(Georgia Institute of Technology, 2015-07-17)Sphingolipids regulate numerous cell functions through the activation of specific signaling cascades. Although sphingolipids have been investigated for several decades, a detailed mechanistic and systemic understanding of ... -
Evaluating Methods of Bio-Inspired Design and Problem Equivalency
(Georgia Institute of Technology, 2015-07-09)Bio-Inspired Design is becoming an increasingly popular approach that uses nature as a source of inspiration in order to develop innovative designs. This thesis first presents a study that was performed in an engineering ... -
Aerodynamic Control Using Distributed Active Bleed
(Georgia Institute of Technology, 2015-07-01)A novel approach for controlling the global aerodynamic loads on lifting surfaces using regulated distributed active bleed that is driven by pressure differences across the surfaces is investigated in wind tunnel experiments. ... -
INSPECTION OF WELD PENETRATION DEPTH IN THIN STRUCTURES USING LASER-GENERATED LAMB WAVES AND EMAT RECEIVER
(Georgia Institute of Technology, 2015-05-18)Using laser/EMAT ultrasonic technique to inspect penetration depths of welds in thin structures is limited by lack of effective signal interpretation methods. The laser-generated ultrasounds in thin structures are very ... -
Airfoil Aerodynamic Performance Enhancement by Manipulation of Trapped Vorticity Concentrations using Active Flow Control
(Georgia Institute of Technology, 2015-05-28)The mechanisms of aerodynamic flow control over lifting surfaces in which global, large-scale changes in aerodynamic characteristics are engendered by momentum injection across the flow boundary are investigated in wind ...
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