Department of Mechanical and Aerospace Engineering (MU): Recent submissions
Now showing items 1-20 of 342
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Theoretical selection of working fluids and experimental investigation of 3-phase oscillating heat pipes
(University of Missouri--Columbia, 2020)The need for high power thermal energy dissipation brought about the adoption of heat pipes utilizing phase change heat transfer. Oscillating heat pipes (OHPs) have the capability to transport thermal energy efficiently ... -
Unprecedented wave control with active elastic metamaterials
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 8/1/2023] The research of elastic metamaterials has received tremendous attention from both academic and industrial communities over the past decade or so. Elastic metamaterials are a type of structured ... -
Plasma nanocoatings on cobalt chromium L605 alloy for cardiovascular stent applications
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 8/1/2023] Coronary stents have been essential devices in treating blocked coronary arteries, Unfortunately, they face in-stent restenosis and thrombosis complications. Drug eluting stents (DES) have been ... -
Learning-based wildfire tracking with unmanned aerial vehicles
(University of Missouri--Columbia, 2022)This project attempts to design a path planning algorithm for a group of unmanned aerial vehicles (UAVs) to track multiple spreading wildfire zones on a wildland. Due to the physical limitations of UAVs, the wildland is ... -
Theoretical analysis and experimental investigation of a combined compact evaporative cooler
(University of Missouri--Columbia, 2021)Evaporative cooling utilizes the fact that water can absorb a relatively large amount of heat during the evaporation process. When this evaporation process takes place in ambient air, the ambient air temperature can be ... -
Direct laser scribed MoO2-based materials and their applications in bioelectronics and soft robotics
(University of Missouri--Columbia, 2021)Overcoming the disadvantages of rigid traditional electronic materials, flexible epidermal electronics with soft, elastic and mechanically conformable characteristics are capturing wide attention. In order to meet the ... -
Experimental investigation of hybrid fluid oscillatory motion and heat transfer in oscillating heat pipes
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 6/1/2023] Mathematical models predicting the oscillatory motions as well as the heat transfer effects of hybrid fluids (HF) in an oscillating heat pipe (OHP) are simulated. The models consider the vapor ... -
The business imperative of newsroom diversity: how identities influence Indonesian women media leaders' perceptions and implementation of newsroom changes and innovation
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 5/1/2023] News organizations tend to preserve male-dominated organizational culture and have been historically oriented to serve the male reader market. This, however, stifles innovation and fails to respond ... -
Strategy decisions for academic leadership: analyzing the perspectives of master of accountancy stakeholders
(University of Missouri--Columbia, 2022)Master of Accountancy (MAcc) program enrollments have declined significantly throughout the United States in the last decade. Concurrently, the accounting industry has an increasing demand for employees with advanced ... -
Design of a simple drive train and control system for an oxygen blend valve for use with premature infants
(University of Missouri--Columbia, 2022)Automating the regulation of the fraction of inspired oxygen (FiO2) in neonatal mechanical ventilation shows great promise of providing better patient outcomes. Historically, controlling the FiO2 valve has required manual ... -
Experimental investigation of liquid metal emulsion effect on the heat transfer performance of an oscillating heat pipe
(University of Missouri--Columbia, 2022)This thesis introduces an oscillating heat pipe (OHP) charged with a hybrid fluid of gallium and ethanol. The hybrid fluid is fabricated using an ultrasonication technique to produce an emulsion-based mixture of liquid ... -
Design and analysis of origami-inspired structures
(University of Missouri--Columbia, 2022)This work focuses on creating novel structures by combining elements of common origami patterns. Multiple different types of physical and computer models are implemented to represent and analyze the structures. These ... -
Numerical study of self-assembly of granular and colloidal particles
(University of Missouri--Columbia, 2021)Self-assembly of granular materials and colloids are studied using several different computational methods such as Discrete Element Method (DEM), Smoothed Particle Hydrodynamics (SPH) method, finite volume Volume of Fluid ... -
Effect of temperature on the mechanical behavior of the CNT reinforced epoxy
(University of Missouri--Columbia, 2021)In this thesis, the effect of temperature on the mechanical behavior of CNT reinforced epoxy has been investigated. The first step for this research will be to produce SWCNT - epoxy and MWCNT - epoxy in the lab in the forms ... -
Attenuation of low frequency pressure pulsations
(University of Missouri--Columbia, 2021)In this thesis, the concept of hydraulic pulsating filter is explored and developed. The filter or resonator is designed to attenuate the pulsation that occurs when the hydraulic pump is discharged. Pumps pulsate over a ... -
Study of energy efficiency comparison between smooth V-belt and cogged V-belt for power transmission
(University of Missouri--Columbia, 2021)In the United States, annually about 0.4 Trillion kWh of electricity is used in electric motors or mechanical drives. A good majority use belt drives for power transmission between the electric motor and mechanical load. ... -
Novel deep cross-domain framework for fault diagnosis or rotary machinery in prognostics and health management
(University of Missouri--Columbia, 2021)Improving the reliability of engineered systems is a crucial problem in many applications in various engineering fields, such as aerospace, nuclear energy, and water declination industries. This requires efficient and ... -
Polynomial system identification modeling and adaptive model predictive control of arterial oxygen saturation in premature infants
(University of Missouri--Columbia, 2020)The automation of the regulation of the fraction of inspired oxygen (FiO2) in neonatal mechanical ventilation to treat respiratory distress syndrome has proven challenging due to competing objectives: maintaining arterial ... -
Analytical earth-aerocapture guidance
(University of Missouri--Columbia, 2020)Aerocapture is a technique of employing a single atmospheric pass to inserts a spacecraft from a hyperbolic orbit, approaching from deep space, into an elliptical (captured) orbit around its destination planet. After ... -
Assessing mechanical properties of the cardiovascular system
(University of Missouri--Columbia, 2020)The elasticity of wall of the arteries plays a significant role in cardiovascular system. Capacitance of the aorta is predicative of cardiovascular events[1]. To get better understanding the function of the cardiovascular ...