Theses and Dissertations
Convective heat transfer from a vertical cylinder in a high amplitude resonant sound field
(Monterey, California. Naval Postgraduate School, 1996-09)
This thesis is part of a continuing study in developing convective heat transfer correlations for a cylinder in a high amplitude zero-mean oscillating flow. The experiment described here utilizes the RTD technique and a ...
Thermal boundary resistance in a high temperature thin-film superconductor under varying heat flux
(Monterey, California. Naval Postgraduate School, 1996-12)
The thermal boundary resistance between a YBa2Cu3O7 thin film and an MgO substrate was measured under conditions of varying heat flux. Heat flux was varied in a manner to explore any hysteresis effects present. It was ...
Experimental study of inelastic stress concentration around a circular notch
(Monterey, California. Naval Postgraduate School, 1996-03)
Experiments were conducted to determine whether energy-density relations can be used to predict elastic-plastic stresses and strains near a circular notch for 7075-T6 aluminum alloys and ARALL 4 composites. The loading ...
Analysis of the DiveTracker acoustical navigation system for the NPS AUV
(Monterey, California. Naval Postgraduate School, 1996-03)
Autonomous Underwater Vehicles (AUVs) require an accurate navigation system for operating in mine fields located in the near suff zone very shallow water. This research project examined the precision, performance ...
Modeling of crack initiation and growth in solid rocket propellants using macromechanics and micromechanics theories
(Monterey, California. Naval Postgraduate School, 1996-09)
Modeling and simulation of crack initiation and propagation in solid rocket propellant materials were conducted using both the macromechanics approach and the micro/macromechanics approach. Due to their composition, the ...
Acoustic underwater navigation of the Phoenix Autonomous Underwater Vehicle using the DiveTracker system
(Monterey, California. Naval Postgraduate School, 1996-03)
Autonomous Underwater Vehicles (AUVs) require a navigation system in order to conduct useful functions. This research was an experimental investigation of the commercial DiveTracker underwater acoustic navigation system ...
Resistivity measurement by eddy current methods for real-time monitoring of age hardening in heat treatable alloys
(Monterey, California. Naval Postgraduate School, 1996-03)
In this research, the design of an eddy current sensor system that continuously monitors age hardening during aging of heat treatable alloys was modified to allow for operation at temperatures up to 595 deg C. With two ...
Fire modeling for cook-off in ordnance magazines
(Monterey, California. Naval Postgraduate School, 1996-12)
In this study, the time temperature profile of a missile exposed to fire in a compartment adjacent to the missile magazine is examined. The study required the development of a heat transfer model based on the geometry and ...
Total ship integration of a Free Electron Laser (FEL)
(Monterey, California. Naval Postgraduate School, 1996-09)
High-power Free Electron Lasers (FELs), capable of stopping an incoming anti-ship missile, can be an effective addition to the self-defense system of a modem naval combatant. A shipboard FEL must be compact, efficient, and ...
Simulation of small robotic vehicle performance during UXO gathering operations using discrete event control
(Monterey, California. Naval Postgraduate School, 1996-09)
The subject of minefield clearance has received much attention in the last few years due to its necessity during modern warfighting, and its unavoidable inherent dangers. Clearing the battlefield of Unexploded Ordnance ...
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