Search results | J. Murrey Atkins Library

Title: Distributed Renewable Energy Technologies:Design and Development of Scalable Transmission Systems
Author: Menon, Shruti Mohandas
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Renewable forms of energy are being intensively pursued and investigated in systems connected to the grid as well as in standalone applications. The global energy generation is expected to grow 2.7 times by the year 2035. Today, renewable energy r...

Title: Processing and properties of materials with or without adiabatic shear susceptibility
Author: Chen, Xiaoxue
Date Created: 2018
Subjects--Topical: Mechanical engineering, Materials science
Description: In this dissertation, two topic areas related to adiabatic shear banding (ASB) phenomenon were studied. Body centered cubic (BCC) metals and alloys may exhibit ASB under uniaxial high strain rate compression if the grain size is refined into the u...

Title: Real-Time Control and Optimal Plant Design for Renewable Energy Systems Using Bayesian Optimization
Author: Baheri, Ali
Date Created: 2018
Subjects--Topical: Mechanical engineering, Computer science
Description: The overarching objective of this research is to use machine learning tools to address the design and real-time control of active systems, focusing specifically by tethered airborne wind energy and ocean current energy systems. In both application...

Title: Performance Evaluation of Tracer Particles for Particle Image Velocimetry Using a Scaled Rolling Road-Tire Setup in a Wind Tunnel
Author: Narayan, Nithin
Date Created: 2018
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: The ultimate goal of the present work is to evaluate the ability to produce highlyresolved particle image velocimetry (PIV) flow images of tracer particles dispersedin a wind tunnel with a scaled rolling road-tire setup. The particle type, size, a...

Title: Period-n Bifurcations in Milling
Author: Honeycutt, Andrew
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Period-n bifurcations in milling operations are studied in this dissertation. Period-n bifurcations represent a special type of unstable dynamic behavior because they have a response period that is an integer multiple (n) of the forcing period. Th...

Title: QUANTITATIVE FALL RISK ASSESSMENT WITH WEARABLE SENSORS
Author: Xu, Zheng
Date Created: 2018
Subjects--Topical: Mechanical engineering, Biomechanics
Description: Falling has become one of the leading causes to both fatal and non-fatal injuries among the elder adults and patients with dysfunctional mobility. The following consequence of a fall will be that the fear of falling can reduce the daily activities...

Title: DEMONSTRATION OF A CLOSED LOOP DIGITALLY ENABLED MANUFACTURING PROCESS USING ADVANCED METROLOGY TECHNIQUES
Author: Erickson, Michael
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: This thesis details the use of advanced coordinate metrology techniques to digitally enable manufacturing through the demonstration of predictive shimming in the assembly of a power plant generator Frame and Stator Core. A process was developed to...

Title: DESIGN AND EXPERIMENTAL ANALYSIS OF HUB CALIBRATION OF TIRE FORCE AND MOMENT TESTING MACHINE
Author: Muthyala, Dhiraj Kumar
Date Created: 2018
Subjects--Topical: Mechanical engineering, Automobiles--Design and construction
Description: Tire cornering force and moment data from an indoor tire testing machine is very important to auto-makers and tire researchers with respect to the performance of vehicles. As such, the quality of the tire data is also crucial and it is dependent o...

Title: A Discrete Element Study of the Uniaxial Compressive Response of Plain Concrete using the JCFPM Constitutive Model
Author: Joshi, Anay
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: The standard bonded-particle models available in many discrete element method (DEM) codes are known to predict unrealistically low values for the ratio of ultimate compressive strength (UCS) to tensile strength (UTS) for concrete. To correct this,...

Title: Development and analysis of a high-efficiency concentrating solar power tower plant concept
Author: Javanshir, Alireza
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Emissions of greenhouse gases (GHGs) are one of the main problems of using fossil energy sources such as coal and natural gas. Thus, decarbonization of the energy sector, i.e., the increased use of the lower carbon intensity and carbon-free energy...

Title: COMBINED DEM-FEM MODELING OF SHOT PEENING PROCESS
Author: Bobba, Dhanooj
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Shot peening is a commonly used technique for improving the fatigue life of machine components by inducing compressive residual stresses in the surface layers. This process involves plastically deforming the surface layers by impacting the surface...

Title: Aspects of Turbulence and Stochastic Processes in Fluid Mechanics
Author: Dahlberg, Jerry
Date Created: 2018
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: Three experimental studies are executed to examine aspects of turbulence and stochastic processes in fluid mechanics. Each experimental study is conducted in a different medium; water, wind and vibrated grain piles. Each study requires upgrades to...

Title: Hierarchical Control Strategies for Spatiotemporally Varying Systems with Application to Airborne Wind Energy
Author: Bafandeh, Alireza
Date Created: 2018
Subjects--Topical: Mechanical engineering, Electrical engineering
Description: Wind energy represents a leading renewable resource for the production of clean and sustainable electricity for on- and off-grid networks. Nevertheless, tower and foundation costs, which typically represent about 30 percent of the total installati...

Title: Generation Milling of Cylindrical Involute Gears
Author: Groover, Jesse
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: In the past, gears have largely been manufactured by means of dedicated gear manufacturing machines and tools. These are difficult and expensive to manufacture and maintain, and offer low flexibility and an inability to make anything other than ge...

Title: GENERATION AND CHARACTERIZATION OF FIREBRANDS FROM SELECTED STRUCTURAL FUELS
Author: Hedayati, Faraz
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Spotting by firebrands is the only mechanism that is capable of initiating fires miles from a fire line. The firebrand phenomenon can be understood in three major sequential phases: production, transportation, and ignition of the recipient fuel. A...

Title: Minimizing Task-Specific Uncertainty in CMM-Based Freeform Optics Metrology
Author: Uwakwe, Michael
Date Created: 2018
Subjects--Topical: Mechanical engineering, Optics, Metrology
Description: Measurements of surface form involve a comparison between the form of the test surface and a reference. In coordinate measuring machine (CMM) measurements, this reference is the machine geometry. The measurement results typically show a height map...

Title: FINITE ELEMENT STUDIES OF ORTHOGONAL MACHINING OF ALUMINUM ALLOY A2024-T351
Author: Patel, Jaimeen
Date Created: 2018
Subjects--Topical: Mechanical engineering, Mechanics
Description: In this work, a new machining model using the commercial finite element software ABAQUS is developed. The model regards material separation, chip serration and breakage as ductile fracture processes where energy is required to form new surfaces. T...

Title: Experimentally Infused Active System Optimization - Theoretical Framework and Airborne Wind Energy Case Study
Author: Deodhar, Nihar
Date Created: 2018
Subjects--Topical: Mechanical engineering, Engineering
Description: This research pioneers formal combined plant and controller optimization (termed ``co-design") schemes for complex systems where accurate but expensive experiments are fused with cheap but less accurate numerical simulations. This fusion of experi...

Title: FREE BODIES IN UNSTEADY VISCOUS FLOWS AND SIMPLE MECHANICAL ANALOGS: NONLINEAR DYNAMICS AND UNDERACTUATED CONTROL
Author: Abrajan Guerrero, Rodrigo
Date Created: 2018
Subjects--Topical: Mechanical engineering, Mechanics, Robotics
Description: In this dissertation we study the interactions between free bodies and unsteady viscous flows, with particular interest in locomotion and in particle transport in streaming flows.For self-propelling bodies, we present systems with two different me...

Title: FRICTION MEASUREMENT DURING FREE VIBRATION
Author: Kossack, Christoph
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Friction is a key consideration in the behavior of many dynamic systems. However, modeling friction behavior accurately remains an engineering challenge. Current friction measurement approaches are limited to application specific tests that attemp...