School of Mechanical Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Mechanical Engineering.
All materials in SMARTech are protected under U.S. Copyright Law and all rights are reserved. Such materials may be used, quoted or reproduced for educational purposes only with prior permission, provided proper attribution is given. Any redistribution, reproduction or use of the materials, in whole or in part, is prohibited without prior permission of the author.
Recent Submissions
-
Spectral shift operated smAHTR to improve cycle length and discharge burnup simultaneously
(Georgia Institute of Technology, 2018-12-05)Fluoride High Temperature Reactors (FHRs) are envisioned to be next generation reactors due to their inherent safety design characteristics and high efficiency from their use of salt-based coolants. FHRs use TRistructura ... -
Process-property relation of prepreg trim waste composites via sheet molding compound (SMC)
(Georgia Institute of Technology, 2019-01-08)Carbon fiber reinforced polymers (CFRP) are used in aerospace industries due to their high strength to weight ratio and increased fuel efficiency. Thus, the increasing demand results in the production of large amount of ... -
Biomechanical effects of a robotic knee exoskeleton during slope walking
(Georgia Institute of Technology, 2018-12-13)The purpose of the study is to explore the biomechanical effects of torque assistance at the knee joint during slope walking using a robotic knee exoskeleton. Powered exoskeleton is a promising wearable robotic technology ... -
Applying a nodal diffusion-micro depletion sequence for high-fidelity analysis of sodium cooled fast reactors
(Georgia Institute of Technology, 2018-12-07)Recent developments in the global nuclear industry have led to the need of reactor designs that are not only safe, but also address the challenges involving nuclear waste while producing clean electricity at low costs. One ... -
Extinction droplet sizing measurements in diesel relevant sprays
(Georgia Institute of Technology, 2018-11-30)A new diagnostic for the quantification of Sauter Mean Diameter (SMD) in high-pressure fuel sprays has been recently developed using combined optical and x-ray measurements at the Georgia Institute of Technology and Argonne ... -
Methods of piezoelectric energy harvesting from human body motions
(Georgia Institute of Technology, 2018-11-26)A lot of research has been done to enable self-powered wireless electronic devices. One of the most studied methods is the conversion of ambient vibrational energy into low-power electricity. The drastic decrease in power ... -
Analytical modeling of distributed array of resilient particle impact dampers
(Georgia Institute of Technology, 2018-11-13)Particle impact dampers (PIDs) or shot mass dampers are known to provide high loss factors on vibrating structures by dissipating kinetic energy through particle-enclosure and particle-particle collisions. The rate of ... -
Quantitative methods for inferring process-structure-property relations in machining
(Georgia Institute of Technology, 2018-11-09)Metal machining subjects material to large strains (e > 1) at extremely high rates (rate > 1000 s-1) while simultaneously imposing heating due to dissipated plastic work. This complex thermomechanical loading drives ... -
Modeling and control of backdrivable flexible systems
(Georgia Institute of Technology, 2018-11-08)Flexible systems deflect, vibrate, or oscillate when moved. This behavior results in decreased performance in the form of inaccurate positioning, stress loading, transient deflection, and residual vibration. In a backdrivable ... -
Transient simulation of ammonia-water mixture desorption for absorption heat pumps & optimal control of an electric vehicle cabin air conditioning system
(Georgia Institute of Technology, 2018-11-13)Part one of the thesis presents a mathematical framework to simulate the transient response of a desorber for small-capacity ammonia-water absorption heat pumps. The model is based on dynamic analysis of conservation ... -
Mechanical reliability of thin barrier films for flexible electronics
(Georgia Institute of Technology, 2018-11-06)Flexible electronics such as OLEDs, OPVs are currently under development, especially given their potential low cost and light-weight characteristics. These electronics require packaging technologies that protect them from ... -
Mechatronic design of autonomous underwater vehicles for confined spaces
(Georgia Institute of Technology, 2018-11-05)In utility piping and fluid transportation pipelines, it is often desired to have a robotic device that can navigate the complex structure to carry inspection to maintain the integrity of these infrastructures. In this ... -
Dynamics and control of ammonia-water absorption heat pumps
(Georgia Institute of Technology, 2018-11-05)With the development of advanced concepts for miniaturized heat and mass exchangers, absorption heat pumps can now be implemented in small-scale applications for waste-heat recovery or thermally driven cooling and heating. ... -
Measurement, modeling and mitigation of instabilities and maldistribution in microchannel condensers
(Georgia Institute of Technology, 2018-09-19)Mini- and microchannel heat exchangers have the potential to drastically decrease the size and cost of energy systems, but they often underperform because of flow maldistribution. Maldistribution can be particularly acute ... -
Development of a modeling frameworrk to predict and evaluate load generation profiles used at forward operating bases
(Georgia Institute of Technology, 2017-11-28)The military is facing a significant issue of increasing fuel cost to deploy troops overseas and establish and maintain Forward Operating Bases (FOBs) or outposts. Liquid fuel is one of the primary energy source for these ... -
Effects of surface chemistry and surface topography on polyether-ether-ketone osseointegration
(Georgia Institute of Technology, 2017-11-13)Osseointegration of a novel porous polymer material made from polyether-ether-ketone (PEEK) was investigated using in vitro cell models and in vivo small animal models. Porous PEEK was compared to conventional smooth PEEK ... -
Development of an electromagnetic sensing system for field reconstruction and geometrical feature measurement
(Georgia Institute of Technology, 2017-11-09)This dissertation has been motivated by two practical applications: The first responds to a need to develop a geomagnetic field-based sensing system to help visually impaired patients locate objects and guide way-finding. ... -
Energy usage modeling for heating and cooling of off grid shelters
(Georgia Institute of Technology, 2017-11-22)Most humanitarian missions, including disaster relief and refugee camps, as well as military missions, are off-grid and require the use of liquid fuels for local generation of electricity. For example, military forward ... -
Impact of simulated MitraClip on forward flow obstruction in the setting of mitral leaflet tethering
(Georgia Institute of Technology, 2017-10-17)Mitral regurgitation (MR) is the most common valvular disease; significant levels of MR are found in 6.4% of the population between 65 and 74 years of age, and 9.3% of the population over 75 years of age. Surgical repair ... -
Predictive modeling of degradation mechanisms in advanced lithium batteries and barrier coatings
(Georgia Institute of Technology, 2017-11-02)Lithium batteries play a critical role in the emerging landscape of renewable energies. On the anode side of lithium batteries, silicon is a promising candidate to replace the currently used graphite. However, the mechanical ...
RSS 1.0