Theses and Dissertations
Development and Analysis of a Bi-Directional Tidal Turbine
(Monterey, California. Naval Postgraduate School, 2012-03)
The concept of using renewable energy for power generation has experienced much attention with increasing costs of non-renewable sources. The largest untapped renewable energy resource is in the form of the oceans and ...
Carbon Fiber and Tungsten Disulfide Nanoscale Architectures for Armor Applications
(Monterey, California. Naval Postgraduate School, 2012-06)
The objective of this research was to generate shock-resistant materials based on inorganic fullerene type tungsten disulfide (IF-WS2) and carbon nanocomposite structures for personal protection armor systems. The aim was ...
Electrochemical studies of passive film formation and corrosion of friction stir processed nickel aluminum bronze
(Monterey, California. Naval Postgraduate School, 2011-06)
The Navy currently uses Nickel-Aluminum Bronze (NAB) for its propellers. Friction stir processing (FSP) is a proposed method of improving the mechanical properties of NAB, and it is believed to improve the corrosion-resistive ...
Experimental study of fluid structure interaction effects on metal plates under fully developed laminar flow
(Monterey, California. Naval Postgraduate School, 2011-12)
The development of a reference test case with repeatable and accurate results is of paramount importance for the validation of numerical Fluid Structure Interaction (FSI) models and simulations. In this study, a new ...
Flow visualization and detailed load measurements over a maneuvering UCAV 1303
(Monterey, California. Naval Postgraduate School, 2011-03)
The unsteady aerodynamic performance of a maneuvering 1/72nd scale model of an unmanned combat air vehicle (UCAV) 1303 geometry has been studied in the Naval Postgraduate School water tunnel. Despite the numerous past ...
Synthesis and characterization of Al-Nanodiamond composite powders by high-energy ball milling
(Monterey, California. Naval Postgraduate School, 2011-12)
High-energy ball milling was studied for the ex situ strengthening of aluminum (Al) with nanodiamond (ND). Al-ND metal matrix composite powders with 5 wt% and 10 wt% nanodiamond were synthesized by high-energy ball milling ...
Development of a MEMS-Scale Turbomachinery Based Vacuum Pump
(Monterey, California. Naval Postgraduate School, 2012-06)
This study forms part of a larger study to develop a MEMS scale turbomachinery based vacuum pump. This would allow very high vacuum to be drawn for handheld mass spectroscopy. This thesis concentrates on the roughing portion ...
Diver relative uuv navigation for joint human-robot operations
(Monterey, California: Naval Postgraduate School, 2013-09)
A novel application for Autonomous Underwater Vehicles (AUVs) is considered here: a robotic diver assistant that enables close-quarters robotic operations with human divers. A robotic diver assistant has the potential to ...
Global Versus Reactive Navigation for Joint UAV-UGV Missions in a Cluttered Environment
(Monterey, California. Naval Postgraduate School, 2012-06)
This thesis presents the coordination of an unmanned, multi-vehicle team that navigates through a congested environment. A novel approach is outlined that enables the control of multiple vehicles based on both computer ...
Numerical Study for Optimum Parameters of Bonded Composite Repairs of Cracked Aluminum
(Monterey, California. Naval Postgraduate School, 2012-06)
This thesis used Finite Element Analysis to model a cracked aluminum panel repaired with a bonded composite patch using the minimization of energy release rate in mode I crack growth conditions to determine effectiveness ...
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Mechanical Engineering (276)