Search results | J. Murrey Atkins Library

Title: EXPERIMENTAL INVESTIGATION OF TURBULENT WAKE STRUCTURES AND DYNAMIC COUPLING OF TANDEM LIFTING BODIES IN A HYDRODYNAMIC CHANNEL
Author: Hellman, Samuel
Date Created: 2012
Subjects--Topical: Mechanical engineering
Description: Two experimental studies are carried out on interacting tandem bodies in incompressible, turbulent flow and the design of a hydrodynamic water channel in which the studies are conducted is discussed. The water channel has a 1 m^2 test section, and...

Title: EXPERIMENTAL AND COMPUTATIONAL STRATEGIES FOR ENHANCING MASS TRANSPORT AND CRYOPRESERVATION OF BIOLOGICAL TISSUES
Author: Karthik Kumar, Balasubramanian
Date Created: 2012
Subjects--Topical: Mechanical engineering, Biomedical engineering
Description: A bioreactor is a large-scale engineered in vitro device that maintains a 3D arrangement of functioning cells for use in various bioengineering applications. The current work is focused on heat and mass transfer issues related to the bioreactor's ...

Title: Correction of the post-necking True Stress-Strain data using Instrumented Nanoindentation
Author: Romero Fonseca, Ivan
Date Created: 2014
Subjects--Topical: Mechanical engineering, Materials science
Description: The study of large plastic deformations has been the focus of numerous studies particularly in the metal forming processes and fracture mechanics fields. A good understanding of the plastic flow properties of metallic alloys and the true stresses ...

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 Investigation of Rotary Tables in Large-scale Metrology
Author: Wang, Qichang
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: Rotary tables significantly improve the flexibility and efficiency of multi-axis measuring devices and multi-axis machining centers by providing a quick positioning of workpieces. Large-scale rotary tables are designed and produced for increasing ...

Title: RETENTION OF THE AMORPHOUS STATE OF TREHALOSE AT HIGH RELATIVE HUMIDITY USING ORGANIC SALT ADDITIVES: A MECHANISTIC UNDERSTANDING
Author: Ziaei, Shima
Date Created: 2018
Subjects--Topical: Materials science, Pharmacy--Research, Bioengineering
Description: The glassy or amorphous solid state of trehalose has been utilized in the food and pharmaceutical industry to immobilize and stabilize sensitive molecules and it is increasingly being explored for the preservation of biologics. Retention of the gl...

Title: Quantification of Profile Measurement Data
Author: Javidpour, Farid
Date Created: 2019
Subjects--Topical: Mechanical engineering, Mathematics, Civil engineering
Description: Parts with complicated freeform shapes have been attracting more attention in industrial applications in recent decades. In most systems, the functional performance of these parts is directly related to the conformity of their profile with the des...

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: Development of an Adaptive X-ray Research Facility and a Direct Bonded Silicon Reference Object for Computed Tomography
Author: Thousand, Jeffery
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: Our ability to harness the power of X-ray radiation has led to many important scientific discoveries. Two common applications for X-rays are crystallography and imaging through objects (tomography). Facility design is a critical component in optim...

Title: Controlling force and displacement: Instrumentation design and application in thermal actuation and nanoindentation
Author: Fan, Chunjie
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: The motivation of this research is to build systems that precisely control displacement in the presence of external load (both linear and rotation force). To achieve this, two experimental platforms have been created. Those instruments incorporate...

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: BORON CARBIDE NANOWIRES: SYNTHESIS AND CHARACTERIZATION
Author: Guan, Zhe
Date Created: 2013
Subjects--Topical: Materials science
Description: Bulk boron carbide has been widely used in ballistic armored vest and the property characterization has been heavily focused on mechanical properties. Even though boron carbides have also been projected as a promising class of high temperature the...

Title: CONSTITUTIVE MODELING OF ALUMINUM FOAM AND FINITE ELEMENT IMPLEMENTATION FOR CRASH SIMULATIONS
Author: Bi, Jing
Date Created: 2012
Subjects--Topical: Mechanical engineering, Engineering
Description: In the past decades metallic foams have been increasingly used as filler materials in crashworthiness applications due to their relatively low cost and high capacity of energy absorption. Due to the destructive nature of crashes, studies on the pe...

Title: COMPARATIVE STUDY OF THE EFFECT OF IMPURITIES ON THE DUCTILITY OF TANTALUM AND TUNGSTEN BASED ON ATOMISTIC AND FIRST PRINCIPLES CALCULATIONS
Author: Pan, Zhiliang
Date Created: 2012
Subjects--Topical: Mechanical engineering, Materials science
Description: Tungsten and tantalum are neighbors in the Periodic Table of the Elements and, as refractory metals, both have very high melting points (tungsten: 3422oC, tantalum: 2996oC). However, the ductility of the two metals is quite different especially at...

Title: Improved Fidelity of Triangulation Sensor Measurements in Optical Inspection
Author: Hosseinpour, Milad
Date Created: 2022
Subjects--Topical: Mechanical engineering, Optics
Description: With the evolution of gear design requirements for new applications, classical gear inspection based on a time-consuming line-oriented tactile measurement must be replaced with a more rapid, areal inspection that can capture complex modern gear mo...

Title: A MACHINING STABILITY MODEL WITH PROCESS DAMPING FOR HARD-TO-MACHINE MATERIALS
Author: Tyler, Christopher
Date Created: 2015
Subjects--Topical: Mechanical engineering
Description: A substantial fraction of current machining research is directed towards increased productivity. A fundamental limitation is unstable vibration, or chatter, during cutting. Stability lobe diagrams, which relate the allowable chip width to spindle ...

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: Areal gear metrology with modified flanks
Author: Ni, Kang
Date Created: 2017
Subjects--Topical: Mechanical engineering
Description: Gears are critical mechanical components in power transmission systems, used across a board spectrum of industries such as automobile, aerospace and renewable energy. Given the advancement of design and manufacture of gears in the past decades, th...