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Now showing items 261-280 of 334
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 ...
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. ...
Development of a method for in vivo mechanical characterization of articular cartilage /
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Arthritis is one of the leading causes of disability in the United States and the second most expensive to treat according to the CDC. One of the key ...
Design and experimental testing of metamaterial-based agitators
(University of Missouri--Columbia, 2016)
Due to the low heat rejection capacity or huge water consumption of traditional cooling methods, many power plants are looking for a way that is eco-friendly and high efficient but low-cost to retrofit their current cooling ...
Lifetime analysis of irradiated beryllium in research reactors /
(University of Missouri--Columbia, 2017)
The objective of this study is to develop a technique to predict onset of cracking and ultimately failure of materials exposed to neutronic bombardment. Beryllium is commonly used in research reactors as a reflector material ...
Development of phase change material integrated oriented strand board for thermal energy storage
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This study is attempted to develop energy storing oriented strand board (OSB). Energy storing capability is achieved by integrating phase change material ...
Design and optimization of dissipative elastic metamaterials and their applications for broadband blast and shockwave mitigation
(University of Missouri--Columbia, 2016)
Elastic/Acoustic metamaterials comprise a new class of composite materials that possess unique effective material properties owing to their locally resonant substructures. Because of the inherent local resonance mechanism, ...
A study of plasma treatments effects on dental biofilms
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Dental plaque is a biofilm that grows on surfaces within the mouth and contains millions of bacteria. The bacteria in plaque cause tooth decay and gum ...
A preliminary study of shock driven multiphase hydrodynamic instabilities
(University of Missouri--Columbia, 2016)
This thesis details work performed towards the completion of a Masters of Science in Mechanical Engineering. Two topics are discussed towards the study of shock driven multiphase hydrodynamic instabilities. The first topic, ...
Optimal path planning of an unmanned combat aerial vehicle with obstacle avoidance
(University of Missouri--Columbia, 2016)
The objective of this study is to optimize path planning for an unmanned combat aerial vehicle (UCAV) with obstacle avoidance by minimizing fuel consumption. A nonlinear constrained optimization solver, Fmincon, is used ...
Dynamic model of sandwich structure with viscoelastic middle layers
(University of Missouri--Columbia, 2016)
Composite materials have been increasingly used in various types of engineering systems such as aeronautics, aerospace and civil engineering to minimize the structural weight. Viscoelastic layer has a level of energy ...
Dynamic and efficiency characteristics of an inlet metering valve controlled fixed displacement pump
(University of Missouri--Columbia, 2016)
This project developed the inlet metering system. An inlet metering system represents a new option in hydraulic pump design. Traditional pressure controlled hydraulic pumps rely on either swashplate displacement (for ...
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 ...
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 ...
Selective area synthesis of 3-D carbon nanotube forest microsctructures
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Carbon nanotubes (CNTs) are solid carbon allotropes that feature high strength and high transport capabilities. When large populations of CNTs are ...
Design of a customized, semi-autonomous, single arm robotic manipulator for a hazardous environment
(University of Missouri--Columbia, 2016)
The purpose of this project is to build upon past research to develop and implement a cost effective, reliable single-armed robotic manipulator that can be used to perform repetitive tasks in the radioactive environment ...
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 ...
Study of drag reduction in microstructured channel with patterned cavities and wettability control
(University of Missouri--Columbia, 2016)
This work is done in part as a requirement towards the fulfillment of the master's degree. Four chapters are covered in this work. Chapter 1 gives an overview of the various works that have been done in the field, including ...
Cooperative control of multi-agent systems with time-delays
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] In this dissertation, we designed two cooperative control algorithms for multi-agent systems with time-delays. The first one is Robust Sliding-Mode ...