Theses and Dissertations
An experimental investigation of vortex breakdown in tubes at high reynolds numbers
(Monterey, California. Naval Postgraduate School, 1998-09)
This thesis deals with non-cavitating swirling flows with vortex breakdown in various tubes. Phenomenological and quantitative investigations were carried out at Reynolds numbers as high as 300,000. It was shown that a ...
Numerical and experimental analysis of the performance of staggered short pin-fin heat exchangers
(Monterey, California. Naval Postgraduate School, 2003-06)
A three dimensional finite element based numerical model was used to analyze the heat transfer characteristics of various staggered short pin-fin array heat exchangers. The simulation was validated against data from an ...
Design, test, and evaluation of a transonic axial compressor rotor with splitter blades
(Monterey, California: Naval Postgraduate School, 2013-09)
A new design procedure was developed and documented that uses commercial-off-the-shelf software (MATLAB, SolidWorks, and ANSYS-CFX) for the geometric rendering and analysis of a transonic axial compressor rotor with splitter ...
Fluid control system behavior in a randomly vibrating environment.
(Massachusetts Institute of Technology, 1966)
Processing, microstructure, and material property relationships following friction stir welding of oxide dispersion strengthened steels
(Monterey, California: Naval Postgraduate School, 2013-09)
A comprehensive set of processing, microstructure, and material property relationships is presented for friction stir welded oxide dispersion strengthened MA956 steel. Eight rotational and traverse speed combinations were ...
Acoustic based tactical control of underwater vehicles
(Monterey, California. Naval Postgraduate School, 2003-06)
Advances in command and control of Autonomous Underwater Vehicles (AUVs) using acoustic communications are crucial to future Fleet objectives, particularly in Very Shallow Water Mine Countermeasures (VSW MCM). Understanding ...
Advances in hybrid water-lubricated journal bearing for use in ocean vessels
(Monterey California. Naval Postgraduate School, 2013-06)
The outboard bearings that support shafts in naval ships and submarines present unique challenges to designers, shipbuilders, and operators. Such bearing must operate continuously and reliably in demanding environments ...
Grain boundary development in superplastic aluminum alloys
(Monterey, California. Naval Postgraduate School, 1996-12)
Superplasticity may be defined as the capability of certain polycrystalline materials to deform to extensive plastic elongations prior to failure, often without formation of a neck. Typically, superplasticity refers to ...
Optimal sensor-based motion planning for autonomous vehicle teams
(Monterey, California: Naval Postgraduate School, 2017-03)
Autonomous vehicle teams have great potential in a wide range of maritime sensing applications, including mine countermeasures (MCM). A key enabler for successfully employing autonomous vehicles in MCM missions is motion ...
Aerodynamic characteristics of an axisymmetic body undergoing a uniform pitching motion.
(Monterey, California: U.S. Naval Postgraduate School, 1964)
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