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Articles 1 - 17 of 17
Full-Text Articles in Engineering
Dynamic In Vivo Skeletal Feature Tracking Via Fluoroscopy Using A Human Gait Model, William Patrick Anderson
Dynamic In Vivo Skeletal Feature Tracking Via Fluoroscopy Using A Human Gait Model, William Patrick Anderson
Doctoral Dissertations
The Tracking Fluoroscope System II, a mobile robotic fluoroscopy platform, developed and built at the University of Tennessee, Knoxville, presently employs a pattern matching algorithm in order to identify and track a marker placed upon a subject’s knee joint of interest. The purpose of this research is to generate a new tracking algorithm based around the human gait cycle for prediction and improving the overall accuracy of joint tracking.
This research centers around processing the acquired x-ray images of the desired knee joint obtained during standard clinical operation in order to identify and track directly through the acquired image. Due …
Sound-Proof, Fire Resistant, Leak-Free And Super-Insulated Hvac Ducts, James Fitzsimmons Ii, Ahmed Alyousef, Kyle Dirksen, Nathan Ware, William Miller
Sound-Proof, Fire Resistant, Leak-Free And Super-Insulated Hvac Ducts, James Fitzsimmons Ii, Ahmed Alyousef, Kyle Dirksen, Nathan Ware, William Miller
Chancellor’s Honors Program Projects
No abstract provided.
Sensitivity Analysis For Best-Estimate Thermal Models Of Vertical Dry Cask Storage Systems, Remy R. Devoe, Kevin R. Robb, Steven Skutnik
Sensitivity Analysis For Best-Estimate Thermal Models Of Vertical Dry Cask Storage Systems, Remy R. Devoe, Kevin R. Robb, Steven Skutnik
Faculty Publications and Other Works -- Nuclear Engineering
Loading requirements for dry cask storage of spent nuclear fuel are driven primarily by decay heat capacity limitations, which themselves are determined through recommended limits on peak cladding temperature within the cask. This study examines the relative sensitivity of peak material temperatures within the cask to parameters that influence both the stored fuel residual decay heat as well as heat removal mechanisms. These parameters include the detailed reactor operating history parameters (e.g., soluble boron concentrations and the presence of burnable poisons) as well as factors that influence heat removal, including non-dominant processes (such as conduction from the fuel basket to …
Value Of Flow Measurement Accuracy In Hydropower Plants With Short Converging Intakes, Mark Herbert Christian
Value Of Flow Measurement Accuracy In Hydropower Plants With Short Converging Intakes, Mark Herbert Christian
Doctoral Dissertations
This report documents research undertaken to determine the value of flow measurement accuracy in hydropower plants with short converging intakes. The motivation was to provide a suite of tools and best practices to streamline flow measurement sensor modeling in any type of hydropower plant. The Lower Granite Lock and Dam hydroplant was leveraged in development of the analysis tool. Computational fluid dynamics (CFD) models of Lower Granite Unit 4 provided necessary information about the hydraulic structures distribution through the unit. Two different CFD models were created. The first was done using the as-built plans; the second was created through modifications …
Correlating Long-Term Lithium Ion Battery Performance With Solid Electrolyte Interphase (Sei) Layer Properties, Seong Jin An
Correlating Long-Term Lithium Ion Battery Performance With Solid Electrolyte Interphase (Sei) Layer Properties, Seong Jin An
Doctoral Dissertations
This study was conducted to understand effects of some of key factors (i.e., anode surface properties, formation cycling conditions, and electrolyte conditions) on solid electrolyte interphase (SEI) formation in lithium ion batteries (LIBs) and the battery cycle life. The SEI layer passivates electrode surfaces and prevents electron transfer and electrolyte diffusion through it while allowing lithium ion diffusion, which is essential for stable reversible capacities. It also influences initial capacity loss, self-discharge, cycle life, rate capability and safety. Thus, SEI layer formation and electrochemical stability are primary topics in LIB development. This research involves experiments and discussions on key factors …
Innovation Of Driving Gear Train System For Developer Unit Of Lexmark Home Printers, Jay A. Crist, Sarah Gore, Kun Xie, Michael Mixoon
Innovation Of Driving Gear Train System For Developer Unit Of Lexmark Home Printers, Jay A. Crist, Sarah Gore, Kun Xie, Michael Mixoon
Chancellor’s Honors Program Projects
No abstract provided.
Design Of A Robotic Instrument Manipulator For Endoscopic Deployment, Ryan Ponten
Design Of A Robotic Instrument Manipulator For Endoscopic Deployment, Ryan Ponten
Masters Theses
This thesis describes the initial design process for an application of continuum robotics to endoscopic surgical procedures, specifically dissection of the colon. We first introduce the long-term vision for a benchtop dual-instrument endoscopic system with intuitive haptic controllers and then narrow our focus to the design and testing of the instrument manipulator itself, which must be actuated through the long, winding channel of a standard colonoscope.
Based on design requirements for a target procedure, we analyze simulations of two types of continuum robots using recently established kinematic and mechanic modeling approaches: the concentric-tube robot (CTR) and the concentric agonist-antagonist robot …
Computational Thermal-Hydraulics Modeling Of Twisted Tape Enabled High Heat Flux Components, Emily Buckman Clark
Computational Thermal-Hydraulics Modeling Of Twisted Tape Enabled High Heat Flux Components, Emily Buckman Clark
Doctoral Dissertations
The goal of this work was to perform a computational investigation into the thermalhydraulic performance of water-cooled, twisted tape enabled high heat flux components at fusion relevant conditions. Fusion energy is a promising option for future clean energy generation, but the community must overcome significant scientific and engineering challenges before meeting the goal of electricity generation. One such challenge is the high heat flux thermal management of components in fusion and plasma physics experiments. Plasma facing components in the magnetic confinement devices, such as ITER or W7-X, will be subjected to extreme heat loads on the order of 10-20 MW/m …
Improving Predictive Capabilities Of Classical Cascade Theory For Nonproliferation Analysis, David Allen Vermillion
Improving Predictive Capabilities Of Classical Cascade Theory For Nonproliferation Analysis, David Allen Vermillion
Doctoral Dissertations
Uranium enrichment finds a direct and indispensable function in both peaceful and nonpeaceful nuclear applications. Today, over 99% of enriched uranium is produced by gas centrifuge technology. With the international dissemination of the Zippe archetypal design in 1960 followed by the widespread illicit centrifuge trafficking efforts of the A.Q. Khan network, traditional barriers to enrichment technologies are no longer as effective as they once were. Consequently, gas centrifuge technology is now regarded as a high-priority nuclear proliferation threat, and the international nonproliferation community seeks new avenues to effectively and efficiently respond to this emergent threat.
Effective response first requires an …
Modeling, Analysis, Force Sensing And Control Of Continuum Robots For Minimally Invasive Surgery, Caroline Bryson Black
Modeling, Analysis, Force Sensing And Control Of Continuum Robots For Minimally Invasive Surgery, Caroline Bryson Black
Doctoral Dissertations
This dissertation describes design, modeling and application of continuum robotics for surgical applications, specifically parallel continuum robots (PCRs) and concentric tube manipulators (CTMs). The introduction of robotics into surgical applications has allowed for a greater degree of precision, less invasive access to more remote surgical sites, and user-intuitive interfaces with enhanced vision systems. The most recent developments have been in the space of continuum robots, whose exible structure create an inherent safety factor when in contact with fragile tissues. The design challenges that exist involve balancing size and strength of the manipulators, controlling the manipulators over long transmission pathways, and …
Lab Toner Vacuum Cleaner Caddy, Treavor C. Johnson Mr., Robert K. Davis Mr., Spencer K. Sanders Mr., Erin M. Miller Ms.
Lab Toner Vacuum Cleaner Caddy, Treavor C. Johnson Mr., Robert K. Davis Mr., Spencer K. Sanders Mr., Erin M. Miller Ms.
Chancellor’s Honors Program Projects
No abstract provided.
Nanoscale Investigations Of Thermal And Momentum Transport In Graphene – Water Systems, Drew Champion Marable
Nanoscale Investigations Of Thermal And Momentum Transport In Graphene – Water Systems, Drew Champion Marable
Masters Theses
Demand for miniaturized electronic devices has given rise to new challenges in thermal management. Integration with graphene, a two-dimensional (2D) material with excellent thermal properties, allows for further reduced sizes and combats thermal management issues within novel devices. Moreover, due to its wide availability and adequate thermal properties, liquid water is commonly used within traditional thermal systems to enhance cooling performance; as such, water is expected to yield similar performance in smaller-scale applications. However, at reduced sizes descending to the nanoscale realm, system behaviors deviate from traditional macroscale-based theory as interfacial effects become amplified. Employing insight provided by molecular dynamics …
Ut Lineman Chute, Benjamin D. Jacob, Logan T. Sissom, Stephen E. Brennan, Thomas B. Mcdavid
Ut Lineman Chute, Benjamin D. Jacob, Logan T. Sissom, Stephen E. Brennan, Thomas B. Mcdavid
Chancellor’s Honors Program Projects
No abstract provided.
Advanced Catalyst Systems Senior Design Project, Megan Peck
Advanced Catalyst Systems Senior Design Project, Megan Peck
Chancellor’s Honors Program Projects
No abstract provided.
Silicon Carbide Materials Properties Selection For Mechanical Seal Faces, William Charles Hoskins
Silicon Carbide Materials Properties Selection For Mechanical Seal Faces, William Charles Hoskins
Chancellor’s Honors Program Projects
No abstract provided.
Semi-Autonomous Golf Cart, Daniel T. Garza, Richard S. Emeott, Matthew E. May, Valerie A. Cherry, Brooke Davidson
Semi-Autonomous Golf Cart, Daniel T. Garza, Richard S. Emeott, Matthew E. May, Valerie A. Cherry, Brooke Davidson
Chancellor’s Honors Program Projects
No abstract provided.
Min Kao Autonomous Robot Tour Guide, Albert J. Toth, Sunay G. Bhat, Christopher A. Treadway, Ammar S. Abdelwahed, Samuel C. Leach
Min Kao Autonomous Robot Tour Guide, Albert J. Toth, Sunay G. Bhat, Christopher A. Treadway, Ammar S. Abdelwahed, Samuel C. Leach
Chancellor’s Honors Program Projects
No abstract provided.