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Now showing items 61-80 of 274
Finite-element design of metamaterial beams for broadband wave absorption
(University of Missouri--Columbia, 2015)
Metamaterials were first introduced for dealing with electromagnetic waves. By creating a material with negative magnetic permeability and electric permittivity, it is possible to manufacture perfect optical lenses, ...
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 ...
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 ...
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 ...
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. ...
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 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 ...
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 ...
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 ...
Numeric modeling of a micro-scale differential thermal calorimeter for the purpose of cryopreservation
(University of Missouri--Columbia, 2017)
Cryopreservation requires biological material to be stored at temperatures well below the freezing point of water. During the process of cryopreservation, the cooling rate should be carefully chosen to avoid cell damage ...
Development of a flow-based predictive model for the coalescence of fused deposition modeling filaments
(University of Missouri--Columbia, 2014)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] As rapid prototyping processes continue to be developed, there is increasing use of such processes for the production of end-use parts. Fused deposition ...
Numerical method for shock driven multiphase flow with evaporating particles
(University of Missouri--Columbia, 2016)
This work is done in part as a requirement towards the fulfillment of the master's degree. Four different chapters were explored in this work. Chapter 1 gives the overview of the various works that have been done in the ...
Mechanical analysis of a growing carbon nanotube forest
(University of Missouri--Columbia, 2016)
Carbon nanotube forests are vertically oriented and entangled tubes that grow normal to a given substrate. The excellent thermal, mechanical, and electronic properties of individual carbon nanotubes motivates their study. ...
An experimental investigation of a meter-scale flat-plate oscillating heat pipe
(University of Missouri--Columbia, 2016)
Ever-increasing demand for power in modern electronics presents challenge in thermal management. This paper shows the oscillating heat pipe (OHP) is considered a preferred solution for high heat application due to its heat ...
Kineto-elastic modeling and optimization of compound bows
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Most improvements and re-designs of compound bows apparently use or partly apply empirical methods to determine bow performance characteristics. A ...
Heat transfer enhancement of vapor condensation heat exchanger
(University of Missouri--Columbia, 2017)
A typical vapor condensation condenser consists of two major heat transfer processes, i.e., vapor condensation and forced convection. In order to enhance heat transfer, the condensation heat transfer utilizing the porous ...