Naval Postgraduate School
Theses and Dissertations
Now showing items 1-10 of 22
Evaluation of a highly skewed propeller for a Naval auxiliary (AO-177).
(Massachusetts Institute of Technology, 1982-06)
The cavitation performance of a seven-biaded, highly
skewed nropeller for a Naval auxiliary (AO-177) is
evaluated using lifting surface numerical hydrodynamic
methods. An important contribution to accurate predition
of ...
Prediction and control of residual stresses and distortion in HY-130 thick pipe weldments
(Cambridge, Massachusetts; Massachusetts Institute of Technology, 1979-05)
In order to validate existing techniques for computer simulation of the welding process, an experiment is designed and carried out in which seam and girth weld are produced on a high strength steel cylinder. Fabrication ...
Stresses developed on the surface of cylindrical joints subjected to multiple loads.
(Monterey, California. Naval Postgraduate School, 1968-05)
This paper deals with t he stresses developed at the intersection of
teo circular members of different diameters. Both members carried axial
loads , with the larger member being continuous through the connection and
the ...
Cavitation characteristics of a high ramp angle water-jet inlet
(Massachusetts Institute of Technology, 1967-06)
A comparative study of the heave and pitch motions of, the deep submersible, Alvin and her support catamaran during surface operations.
(Massachusetts Institute of Technology, 1967-06)
The heaving and pitching motions of ALVIN and her support catamaran are predicted theoretically and experimentally determined at zero speed by model tests. Comparison is made between theory predictions and experimental ...
A computerization of series 60 resistance and self-propulsion model tests
(Cambridge, Massachusetts; Massachusetts Institute of Technology, 1967-06)
The Series 60 resistance and self-propulsion model test results are represented by curve fitting methods which result in functions contaiing Chebyshev polynomials. The accuracy of the curve fitting method is discussed and ...
Investigation of the wake behind a cylinder at coincidence of a natural frequency of vibration of the cylinder and the vortex shedding frequency
(Cambridge, Massachusetts; Massachusetts Institute of Technology, 1967-05)
Theory for aeolian tone intensity created by rigid circular cylinders has been found to agree quite well with experimental results. This investigation is to experimentally explore the wake of a cylinder shedding vortices ...
Optimum buoyancy requirements for weight-limited deep submersibles
(Massachusetts Institute of Technology, 1965-06)
Submersibles are limited in depth by the strength of the pressure
hull. The pressure hull, in turn, is limited in strength by the properties
of the material used in fabrication, construction techniques, and by the
weight ...
An investigation of the coupling between longitudinal and flexural modes of vibration caused by an offset of the center of gravity from the center of stiffness
(Massachusetts Institute of Technology, 1962-06)
The purpose of the investigation is to find how the natural
frequency of transverse vibration is affected when the center of gravity
and center of stiffness are not coincident and to determine if it is
important in ...
The probability of damage to an aircraft carrier from an underwater explosion
(Massachusetts Institute of Technology, 1962-05)
This thesis presents a method, through the use of probability
theory, of determining specific types of damage
to an aircraft carrier. Consideration is given to the cases
of loss of main machinery spaces and shafting ...
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Lieutenant, United States Navy (22)
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Naval Architecture and Marine Engineering (22)
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