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Design and simulation analysis of MEMS parallel plate capacitor models for voltage conversion and power harvesting
(University of Missouri--Columbia, 2011)
In environment, unwanted and undamped vibrations are abundantly available which can be converted into electrical energy and used for energy harvesting. This paper contains the design, modeling and simulation results of MicroElectroMechanical System...
Evaluation of using ferrofluid as an interface material for a field-reversible thermal connector
(University of Missouri--Columbia, 2013)
The electrical functionality of an avionics chassis is limited due to heat dissipation limits. The limits arise due to the fact that components in an avionic computer boxes are packed very compactly, with the components mounted onto plug-in cards...
Application of microturbines in improving the energy efficiency of municipal wastewater treatment plants in Missouri.
(University of Missouri--Columbia, 2021)
that is transformed into mechanical energy which rotates the generator and in turn generates electrical power. In this work, the potential for power generation from the energy in the outflow along with the economics of the system in wastewater plants in the state...
Galilean moon tour using simplified trajectory computational techniques
(University of Missouri--Columbia, 2006)
of the individual segments have been completed the complete Galilean moon tour will be computed. It was found that using a 10 kW engine for a 1000 kg spacecraft gives a final mass of 420 kg and takes 1.62 yrs. A much larger spacecraft with an initial mass of 30...
Sensitivity analysis and optimal design of conventional and magnnetorheological fluid brakes
(University of Missouri--Columbia, 2018)
engineering, civil engineering, and biomedical engineering. Simple mechanical drum brake and magnetorheological (MR) fluid brake have presented in the current work. The main objective of this work is to increase braking torque, and to develop a new optimal...
Advanced modeling and optimal control of a cart-double pendulum system
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The Overhead Crane has evolved in scope since its inception in the late 1800's. Its early use as a hoist for material transport is now proceeded by new ...
Finite element analysis of residual stress generation during spot welding and its affect on fatigue behavior of spot welded joints
(University of Missouri--Columbia, 2005)
This dissertation presents the finite element based prediction of residual stress generation in a spot welded joint during the spot welding process and the effects of residual stress on fatigue behavior of a spot welded joint. Spot welded advanced...
Electron emission thermal energy conversion
(University of Missouri--Columbia, 2010)
Electron emission from a surface can be achieved via two mechanisms: tunneling and thermionics. Converting thermal energy to electrical power using these mechanisms is achieved by generation of an electron current from the emitter to the collector...
Thermal transport of nanoenergetics in composite materials
(University of Missouri--Columbia, 2017)
to 4000K and generate a shock wave of approximately 2500 m/s. In this work we studied the effects of plasmonic photothermal heating and its interaction with aluminum nanoparticles. Plasmonic gratings are known to enhance electric fields based...
Thermal characterization and scaling of a nanodielectric composite for use in compact ultra-high voltage capacitors
(University of Missouri--Columbia, 2019)
measured for MU100 from -40 [degrees] C to 120 [degrees] C. The results demonstrate the nanodielectric has a strong stability both electrically and mechanically across the entire temperature test range. The maximum capacitance percent difference of MU100...
Techno-economic assessment of utilizing solar thermal energy in manufacturing processes
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] In the past century, fossil fuels have been a primary source of mankind's energy production as they are cheaper and more readily available due to ...
An investigation of nonlinear tip-sample force models for nanoindentation
(University of Missouri--Columbia, 2007)
expression from the Schwarz transitional model in terms of displacement. A new reformulation of the JKR and Schwarz models, in terms of a nondimensional parameter is also presented. The derived force expression is then expressed as a third-order polynomial...
Rapid industrial furnace thermal modeling for improved fuel efficiency
(University of Missouri--Columbia, 2007)
systems. Although, computational fluid dynamics modeling of industrial furnaces has been shown to be accurate, they are computational expensive. Two variations of a new modeling technique, S2S Rapid and DO Rapid, presented use information obtained via CCD...
An investigation into thermoelectric coolers
(University of Missouri--Columbia, 2018)
A thermoelectric cooler (TEC) is a type of cooler that uses the electricity between the junction of two materials to cause a temperature drop. These coolers operate using the Peltier effect. Effectively, a TEC uses electrical energy to pump heat...
Comprehensive optimization for thermoelectric refrigeration devices
(University of Missouri--Columbia, 2005)
A large market is currently in place for which thermoelectric (TE) technology can provide diverse energy solutions. This market should continue to grow as improvements are made to TE materials. In the last 10-15 years, ...
Attenuation of low frequency pressure pulsations
(University of Missouri--Columbia, 2021)
the feasibility problem, the lumped parameter method is used for analysis, and key concepts are verified by experiments. This study started from the theoretical review of Helmholtz resonator and branch hose. After the theoretical review, experiments were presented...
Modeling of droplet and bubble detachment assisted by electrowetting-on-dielectric (EWOD)
(University of Missouri--Columbia, 2017)
been done in the field and the applications of this work. Chapter 2 discusses the numerical method. Chapter 3 discusses the computational setup and experimental validation of the jumping droplet. Chapter 4 analyzes the jumping droplet and bubble...
Development of an experiment for investigating the magnetohydrodynamic richtmyer-meshkov instability
(University of Missouri--Columbia, 2019)
Collaboration by some of the world's brightest minds of the 21st Century pinpointed fourteen Grand Engineering Challenges that face humankind today. At the top of this list is "Provide Energy from Fusion"; a requirement deemed crucial for humankind...
4D printing of stimulus-responsive polymeric materials
(University of Missouri--Columbia, 2017)
technique is expected to bring new opportunities to future drug delivery devices, soft robotics and tissue engineering. Keywords: 4D printing, stimuli, SU-8, controlled variable experiments, thickness, geometry, self-morphing....
Water harvesting and condensation heat transfer enhancement induced with electrowetting-on-dielectric
(University of Missouri--Columbia, 2019)
popular option owing to its excellent contact angle reversibility, switching speed, and long-term reliability in altering surface wettability. This dissertation presents a study of the EWOD effect on water harvesting and condensation heat transfer...