Search results | J. Murrey Atkins Library

Title: Aerodynamic Stability Analysis of Quadcopters Subject to Unsteady Wind Conditions
Author: Slingluff, Mason
Date Created: 2021
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: The quadcopter has become an increasingly utilized tool in the military and aerospace fields over the last several years. For quadcopters to be used in surveillance, search and rescue and even delivery applications, the quadcopter must be able to ...

Title: Aerodynamics of UAV Ground Effect Interactions
Author: Timms, William
Date Created: 2021
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: With the advent of quadrotor unmanned aerial vehicles (UAV) becoming more prevalent for military and commercial applications, gaining a better understanding of their aerodynamic characteristics is critical. No matter the application, each operatio...

Title: Autonomous Vehicle Navigation and Obstacle Avoidance Along a Predetermined Vector
Author: Pfeifer, Elijah
Date Created: 2021
Subjects--Topical: Mechanical engineering, Electrical engineering, Robotics
Description: Search and Rescue (SaR) operations rely on civilian volunteers to provide mandatory manpower when covering large areas of land. These SaR operations are typically conducted in remote environments where conditions can be hazardous and GPS signal in...

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: Design, Simulation, and Performance Analysis of Multifunctional Solar-Assisted Heat Pump Systems for Residential Buildings
Author: Zare, Amirahmad
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: Residential buildings contribute about 22% of the national energy use in the U.S. Space heating, domestic hot water (DHW), and space cooling are the three major end uses, respectively accounting for 43%, 19%, and 8% of the residential sector’s tot...

Title: Development of a CFD Simulation Framework for Aerothermal Analyses of Electric Vehicle Battery Packs
Author: Jain, Ayushi
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: Lithium-ion batteries (LIB) are widely being used in the field of electric vehicles, their high-power density, low resistance, compactness and low self-discharge rate. These make LIBs an ideal choice for use in electric vehicles (EV). To increase ...

Title: Freeform Optical Surface Form Metrology with Serial Data Acquisition
Author: Noste, Todd
Date Created: 2021
Subjects--Topical: Mechanical engineering, Optics, Physics
Description: Freeform optics, or optics with no axis of rotational invariance, provide optical designers more degrees of freedom, flexibility, and opportunity for innovation increasing optical performance and system integration while decreasing the form factor...

Title: Implementation and Evaluation of Optical and Stylus Based Profiling Techniques for Surface Metrology
Author: Arumugam, Kumar
Date Created: 2021
Subjects--Topical: Mechanical engineering, Optics
Description: A unifying theme of this thesis is the implementation and characterization of point probes for surface metrology. The implementations include two optical non-contact profiling methods; fiber-based Fabry-Perot interferometry, and confocal microscop...

Title: Improvement of Optical and Pressure sensing capabilities of the UNC Charlotte Hypersonic Wind Tunnel
Author: White, Michael
Date Created: 2021
Subjects--Topical: Mechanical engineering, Aerospace engineering
Description: The UNC Charlotte hypersonic wind tunnel was designed and made by a team of engineering students in 2019. The wind tunnel is capable of holding 1500 PSI and sending air through a test chamber with viewing windows at Mach 3 and 5. The construction ...

Title: Manufacturing Methodologies and Optomechanics for Dynamic Freeform Optics
Author: Gurganus, Dustin
Date Created: 2021
Subjects--Topical: Optics, Engineering, Mechanical engineering
Description: Freeform optics have traversed the gap from theoretical to practical application propelled by ultra-precision multi-axis machining, like diamond turning and milling. Utilized for complex infrared sensors to human vision correction, freeform optics...

Title: Modeling of Machining using a combined Finite Element (FE) and Smoothed Particle Hydrodynamics (SPH) method
Author: Ojal, Nishant
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: In this thesis, a combined approach based on the Finite Element (FE) and Smoothed Particle Hydrodynamics (SPH) methods is proposed to model turning operations. The approach exploits the advantages of each method and leads to high-fidelity coupled ...

Title: Numerical Investigations On The Aerodynamics Of Overtaking Maneuvers Using Simplified Road Vehicle Models
Author: Veeraghanta, Bhaskara Kalyan
Date Created: 2021
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: Studying aerodynamics using Computational Fluid Dynamics (CFD) analysis of external flows is a crucial element in the design and development of modern-day road and racing vehicles. Although a plethora of both experimental and computational data re...

Title: Numerical Investigations on Factors Influencing Limit Loading for Transonic Turbine Airfoils
Author: Owen, Spencer
Date Created: 2021
Subjects--Topical: Fluid mechanics, Mechanical engineering, Aerospace engineering
Description: To stay competitive within the gas turbine community, turbine aero designers strive to maximize the total work output of each turbine stage through a combination of airfoil design improvements and increased total pressure ratio. Although increasin...

Title: Numerical simulations and low-order models of the two-way interaction between ocean current turbines and the background flow
Author: razi, peyman
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: Ocean Current Turbines (OCTs), which function similarly to wind and tidal turbines, represent a promising technology for harnessing the energy from oceanic currents such as the Gulf Stream. In planning the deployment of arrays of OCT devices, it i...

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: Science of Multiphysics Behavior of Si/C Composite Active Particles in Anodes
Author: Gao, Xiang
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: The rapidly growing demands on energy storage technologies over the last decade have imposed further requirements for the high energy/power density, safety, and durability of lithium-ion batteries (LIBs). Si/C composite materials have attracted en...

Title: Stress Wave Propagation and Tunability in 1D Granular Systems
Author: Zhang, Wen
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: Mechanical stress wave propagation in granular materials has attracted much attention for exploring new physical phenomena due to versatile engineering applications. One-dimensional (1D) granular systems, a type of artificially designed granular m...

Title: Study of Thermo-Mechanical Properties of Graphene-Like Two Dimensional Material
Author: Elapolu, Mohan Surya Raja
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: Graphene is a layer of covalently bonded carbon atoms with a honeycomb lattice structure. It has exceptional properties, due to which it became prominent in a wide range of applications. The enormous success of graphene raised curtains to a new cl...

Title: The Design, Calibration, and Commissioning of a Benchmark Hypersonic Wind Tunnel
Author: Solomon, Jason
Date Created: 2021
Subjects--Topical: Mechanical engineering, Fluid mechanics
Description: In 2020, the United States Department of Defense requested $3.2 billion to fund research and development in hypersonic defense programs for the fiscal year of 2021. The demand for funding in hypersonic research directly responds to the increasing ...

Title: Thermo-Fluid and Mechanical Design and Optimization Of An Advanced Printed Circuit Heat Exchanger For Supercritical CO2 Brayton Cycles
Author: Khalesi, Javad
Date Created: 2021
Subjects--Topical: Mechanical engineering
Description: A supercritical carbon dioxide (sCO2) Brayton power cycle is considered as one of the promising energy conversion systems for a number of applications such as advanced nuclear reactors, advanced fossil, and Concentrated Solar Power (CSP) plants du...