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: FULL-SCALE TESTING AND NUMERICAL MODELING OF A MULTISTORY MASONRY STRUCTURE SUBJECTED TO INTERNAL BLAST LOADING
Author: Zapata, Brian
Date Created: 2012
Subjects--Topical: Mechanical engineering, Physics, Civil engineering
Description: As military and diplomatic representatives of the United States are deployed throughout the world, they must frequently make use of local, existing facilities; it is inevitable that some of these will be load bearing unreinforced masonry (URM) str...

Title: FUNDAMENTALS OF MATERIAL REMOVAL IN SILICON CARBIDE FOR FREEFORM OPTICS
Author: Shanmugam, Prithiviraj
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: The mechanical and thermal properties offered by Silicon carbide (SiC) make it an ideal material for reflective freeform optics. However, the hardness, brittleness and fracture toughness of the material pose a challenge to manufacturing. The manuf...

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: Design and Development of an Experimental Apparatus for Hardware-In-Loop Testing of Solar-Assisted Heat Pump Systems
Author: van Arnold, George
Date Created: 2020
Subjects--Topical: Mechanical engineering, Engineering
Description: Growing concerns related to the environmental impacts of rising global energy consumption compel the continued development of low-emission technologies for the building sector. In the United States, space conditioning and domestic hot water genera...

Title: Design and Verification of a Levitation Device
Author: Lambert, Brittney
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: This thesis describes the design and verication of a force measurement instrumentusing levitation through use of a voice coil actuator. The device can suspend an external force of up to 10N, and determine that external force to within ±0.003N. Mec...

Title: Design Analysis of Tesla Turbine
Author: Kausik, Galab
Date Created: 2017
Subjects--Topical: Mechanical engineering
Description: This thesis discusses the "Design Analysis of the Tesla Turbine" or so called "Flat Disc Turbine" using "Compressed Air" as the working fluid. Nikola Tesla invented the turbine in 1906 and received the patent in 1913. Using the word "Turbine", it ...

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 AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
Author: Aryan, Hamidreza
Date Created: 2019
Subjects--Topical: Mechanical engineering, Optics, Engineering
Description: The advent of sub-aperture computer-numerically controlled (CNC) manufacturing techniques has enabled new opportunities for high-performance optical components and systems. Freeform and other challenging designs are now possible like never before....

Title: PERFORMANCE EVALUATION OF A TWO-BAR BRIDGE RAIL FOR COMPLIANCE WITH MASH TL-3 CONDITIONS USING FINITE ELEMENT ANALYSIS
Author: Fatoki, Joshua
Date Created: 2020
Subjects--Topical: Mechanical engineering
Description: Roadside barriers are important safety devices installed on highways to mitigate the severity of injuries caused by crashes of errant vehicles. The two-bar metal bridge rail is a commonly used roadside barrier in North Carolina and is recognized f...

Title: PENETRATION RESISTANCE OF 4340 STEEL/POLYUREA LAMINATE
Author: Pajjuri, Vishnu Vardhan Kumar
Date Created: 2017
Subjects--Topical: Mechanical engineering, Military art and science, Chemistry, Polymers
Description: Enhancement of the penetration resistance of materials used in the defense industry is of great interest since such improvements can save human life and can reduce the loss of resources caused by high velocity projectiles penetrating through the w...

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: Performance tuning of IC engine with variable exhaust system using a one-D simulation tool
Author: Gajula, Vineeth
Date Created: 2017
Subjects--Topical: Mechanical engineering, Automobiles--Design and construction
Description: The exhaust system has a significant effect on the breathing capability of an IC engine, which when increased, increases the volumetric efficiency. Due to the sudden opening of the exhaust valve, the highly pressurized gases in the combustion cham...

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: Prototype System for Autonomous Detection and Extraction of Floating Pollution from Aquatic Environments
Author: Brake , Jeremy
Date Created: 2021
Subjects--Topical: Engineering, Robotics, Mechanical engineering
Description: This research aims to develop an autonomous system for pollution acquisition and extraction within waterways. Currently, there are approximately 270,000 tons of pollution within the world’s oceans, with 80% originating from inland waterways. The e...

Title: REPLICATION OF FREEFORM OPTICS ONTO NEAR-NET-SHAPE SUBSTRATES USING DIAMOND TURNED STAMPERS
Author: Smith, Glen
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: Freeform optics open a new design space for optical systems. Production of freeform optics, with no axis of rotational symmetry, often requires the use of multi-axis (>2) sub aperture machining and finishing techniques. These are expensive and imp...

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...