Search results | J. Murrey Atkins Library

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: Analysis of wound irrigation devices
Author: Pawar, Amogh Madan
Date Created: 2018
Subjects--Topical: Mechanical engineering, Medicine
Description: In wound irrigation, the surface pressure at the wound is critical. Correct pressure ensures removal of bacteria and foreign debris without further tissue damage. Surface pressure measurements were performed for three irrigation devices, including...

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: CFD-URANS ANALYSIS OF THE WATER FLOW IN AN ALGAE MAGNETIC SEPARATOR
Author: Joshi, Shreyas
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Crude oil is one of the major sources for energy production. One barrel could produce up to 50% of gasoline. Almost, 75% of a crude oil barrel can be converted to petroleum products which are the most consumable energy sources over the world. With...

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: 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: DEVELOPMENT OF DATA ACQUISITION SYSTEM AND CALIBRATION PROTOCOL FOR TIRE CORNERING FORCE AND MOMENT TESTING MACHINE
Author: Dwivedi, Amol
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Tires provide the only point of contact between the car and the road. The safety of the driver, passenger depends on the contact patch between the tire and the road, a mere 81 2"x10" size of rubber is in contact with the road which lets us control...

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: 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: Dynamic behaviour of core-shell structured Si nanoparticles during lithiation/delithiation cycling at dynamic loadings
Author: Xu, Jun, Gao, Xiang, Yuan, Chunhao
Date Created: 2018
Subjects--Topical: Materials--Dynamic testing, Mechanical engineering
Description: Dynamic behaviours of the core-shell structured (CSS) Si nanoparticles during electrochemical cycling were modelled. A core-shell-structured model that contained Si nanoparticles wrapped with amorphous carbon (a-C) was established. The system was ...

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: FIBER BASED TOOLS FOR POLISHING OPTICAL MATERIALS
Author: Shahinian, Hossein
Date Created: 2018
Subjects--Topical: Mechanical engineering, Optics
Description: In this dissertation, the development of alternative fiber based polishing tools for the finishing of precision freeform and aspherical optics is introduced. Freeform and aspherical optics, i.e. optics with varying radius of curvatures (ROC), are ...

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: 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...

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: 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: 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: Investigation into the capabilities and characteristics of tomographic particle image velocimetry measurement techniques
Author: Bisel, Tucker
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Literature describing measurement results obtained using tomographic particle image velocimetry (TomoPIV) systems has become increasingly common, but details on the processes used to obtain those results and reasons for selecting specified analysi...