Theses and Dissertations
An analysis of smooth and axially finned, rotating heat pipe condensers.
(Monterey, California. Naval Postgraduate School, 1983-06)
A mathematical model is developed to determine the heat
transfer rate of a cylindrical condenser section of a rotating
heat pipe. This model is coupled to an existing code and an
analysis is accomplished on both a smooth ...
Characteristics of a fluted nozzle gas eductor system
(Monterey, California. Naval Postgraduate School, 1983-03)
Cold flow tests were conducted on a four nozzle and a one nozzle gas educator system. The nozzles employed were fluted with a constant cross sectional area. The four nozzle tests used a mixing stack length-to-diameter ...
Experimental studies of joint flexibility for PUMA 560 robot
(1987-03)
This paper investigates flexibility of the PUMA 560 industrial robot arm. The purpose is accomplished by measurement of the flexural stiffness of the key joints in the system. The joint flexibilities are linear in nature ...
Optimization of three dimensional combined truss/frame structures
(Monterey, California. Naval Postgraduate School, 1982-10)
A finite element code is developed for analysis and design of three-dimensional truss and frame structures. Structures are designed for minimum weight subject to constraints on: member stresses, Euler buckling, shell ...
A preliminary investigation of the corrosion and stress-corrosion susceptibility of thermomechanically processed high magnesium aluminum magnesium alloys
(Monterey, California. Naval Postgraduate School, 1981-09)
The stress corrosion cracking susceptibility and general corrosion characteristics of four thermomechanically processed high-Magnesium, Aluminum-Magnesium alloys were evaluated and compared to those of 7076-T6.
Results ...
The design of a test procedure for the measurement of acoustic damping of materials at low stress.
(Monterey, California. Naval Postgraduate School, 1983-09)
A procedure for measuring the viscous damping of relatively
large plate material (up to 40 inches x 14 inches x
2
inches) was developed utilizing the Hewlett-Packard 5451C
Fourier Analyzer and impulse hammer technique ...
Effects of preheat on weldments of NICOP steel
(Monterey, California. Naval Postgraduate School, 1983-09)
Shielded metal arc weldments of Armco Steel Corporation's
NICOP class 3, 19mm (3/4 inch) plate, conforming to ASTM A710
grade A, were studied to provide information concerning the
microstructure in the heat affected ...
Experimental investigation of turbulent heat transfer in straight and curved rectangular ducts
(Monterey, California. Naval Postgraduate School, 1983-09)
An experimental investigation was conducted to examine the convective heat transfer in straight and curved ducts of rectangular cross-section. The experimental configuration was modeled as infinite parallel plates with ...
Development of a testing technique for the yield strength determination of 5 inch steel cartridge cases
(Monterey, California. Naval Postgraduate School, 1983-09)
The standard Navy method for determining the yield strength of 5 inch steel cartridge cases is shown to overestimate the actual circumferential yield strength of the case by about 40 percent. An expanded ring testing ...
Representation of potential flow about axisymmetric bodies with discrete singularities.
(Monterey, California. Naval Postgraduate School, 1984-03)
A rational methodology has been developed whereby three-dimensional
sources and sinks may be placed along the major axis of a class of ovary
ellipsoids so as to minimize normal velocity and to calculate as exactly
as ...
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Lieutenant, United States Navy (126)
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Mechanical Engineering (126)