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Condition-based monitoring system for diagnostics and prognostics of centrifugal pumps
(University of Missouri--Columbia, 2016)
Centrifugal pumps are the most commonly used pumps in industry. Therefore, maintenance is a very important part of the pump's life cycle. This work presents a systematic robust conditionbased monitoring process for diagnostics ...
On-plane flexible and solid-state rechargeable lithium-MnO2 microbatteries from laser induced graphene
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The thesis presents a flexible and solid state Li-MnO2 microbattery based on laser induced graphene (LIG) produced from commercial polyimide. To achieve ...
Mechanical behavior of transparent fiber reinforced polyester composites at extreme temperatures
(University of Missouri--Columbia, 2018)
Selecting materials for harsh or extreme environmental conditions can be a challenge. The combination of a harsh environment, large forces over extended periods and the need for lowest possible cost restricts the choice ...
Thermal performance of a Nam-Ju nanostructured copper oscillating heat pipe
(University of Missouri--Columbia, 2018)
As electronic devices increase in performance and decrease in size, more efficient thermal management systems are necessary to combat high heat fluxes. Copper heat pipes, and oscillating heat pipes are devices commonly ...
Adaptive and augmented nonlinear filters : theory and applications
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Nonlinear estimation and filtering have been intensively studied for decades since it has been widely used in engineering and science such as navigation, ...
Estimation of model states for a hydraulic valve system using an extended Kalman filter
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Pilot valves are considered as one of most common types of valves in the industry today. They are widely-used because their design is simple, they are ...
Characterization of the Embolisher, a device for cerebral embolic protection
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Trans-catheter aortic valve implantation (TAVI) is a new, minimally invasive solution to replacing diseased aortic valves. However, some of residual ...
Thermal effects of high energy and ultrafast lasers
(University of Missouri--Columbia, 2015)
Heat transfer describes the exchange of thermal energy, between physical systems depending on the temperature and pressure, by dissipating heat. The fundamental modes of heat transfer are conduction or diffusion, convection ...
Reducing energy waste in centrifugal pump systems through the implementation of BEP optimized pressure and flow control
(University of Missouri--Columbia, 2015)
There currently exists a gap in the technology surrounding centrifugal pumps. When looking at modern literature regarding the application of centrifugal pump systems, the existing methods for control are throttle and speed ...
Tailored optical properties of graphitic carbon nitride thin films via surface functionalization of growth substrates
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Graphitic carbon nitride has attracted much attention in recent years due to its medium size band gap, mechanical strength, blue fluorescence, and ...
4D printing of stimulus-responsive polymeric materials
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Rising beyond 3D printing techniques, 4D printing can fabricate complex structures with inks made of stimulus-responsive polymeric materials. Thus, ...
Condition monitoring of an axial piston pump utilizing the Kalman filter
(University of Missouri--Columbia, 2018)
Condition monitoring of a hydraulic pump is an essential process for maximum operational time and pump life longevity. One method of condition monitoring is to estimate parameters characterized by flow losses. Even in a ...
Study on single and double layers micro-perforated panel absorbers and optimal design by genetic algorithm
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Base on Maa's general theory of micro-perforated panel absorber, the acoustic absorption performance of single and double layers MPP absorbers are ...
Modeling the inertial torque imbalance and foundation forces within an inline internal combustion engine : quantifying the equivalent mass approximation
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The main object of this dissertation is to study the dynamic analysis of an inline internal combustion engine. This dissertation presents the kinematics ...
Damping and stiffening forces of a squeeze-film between two plates
(University of Missouri--Columbia, 2016)
Silicon microstructures, especially sensors and actuators, are characterized by squeeze film between the moving elements and the fixed substrates. The effect of the squeeze film has been represented by the damping effect ...
Low-temperature sintering and fabrication research of ceramics and numerical simulation on elastic, pressure drop and heat transfer properties of open cell foams
(University of Missouri--Columbia, 2016)
Vanadium pentoxide (V2O5) was chosen as a sintering aid to lower the sintering temperature of the ZnO-TiO2 system. The effect of V2O5 on the sintering behavior of ZnO-TiO2 ceramics and cermets was studied as a function of ...
Study of micro-sized particle deposition using DEM, CFD-DEM and SPH approach
(University of Missouri--Columbia, 2016)
Self-assembly and packing of colloids and micro or nano scale particles has become a subject of great interest due to widespread advancement of micro-scale technologies. In this thesis, several numerical analyses are ...
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 ...
Elastic wave absorption in laser-cut acoustic metamaterial plates
(University of Missouri--Columbia, 2016)
This dissertation presents the modeling technique for design and analysis of lasercut acoustic metamaterial plates (LCMPs) capable of acoustic/elastic vibration suppression. The conventional acoustic metamaterial plate ...
Simulation-based design of patient-specific femoral locking plate using topology optimization
(University of Missouri--Columbia, 2017)
Femoral locking plates are orthopedic implants used in closed reduction of the fractured femur. These orthopedic implants designed using conventional methods apply finite element analysis to evaluate their performance. ...