Naval Postgraduate School
Theses and Dissertations
Now showing items 41-50 of 76
Mean strain effects on the strain life fatigue curve
(Monterey, California. Naval Postgraduate School, 1993-03)
Aluminum 7075-T6 was tested using a Fatigue Material Test System. After creating the monotonic and cyclic stress-strain curves to verify material properties, strain life test data were replicated twenty times each to obtain ...
Predicting radiation characteristics from antenna physical dimensions
(Monterey, California. Naval Postgraduate School, 1992-12)
This report explains the fundamental theory and equations used in writing a set of software applications which predict antenna radiation parameters. Each application predicts the radiation characteristics of a particular ...
Modification and calibration of the Naval Postgraduate School Academic Wind Tunnel
(Monterey, California. Naval Postgraduate School, 1992-12)
Since the early 1980's, the Academic Wind Tunnel has operated with only one half its designed power section. Resultant flow qualities have limited the use of this facility. A damping screen was installed in the settling ...
Testing a wheeled landing gear system for the TH-57 helicopter.
(Monterey, California. Naval Postgraduate School, 1992-12)
Using the main gear from a Cessna 182 and the nose gear from a Grumman AAI-B, (patent pending) a comparison with the skid gear currently installed on the TH-57 helicopters was conducted. The initial comparison was done ...
Model fan passage flow simulation
(Monterey, California. Naval Postgraduate School, 1992-12)
Two-dimensional experimental and numerical simulations of a transonic fan blade passage were conducted at a Mach number of 1.4 to provide baseline data for the study of the effects of vortex generating devices on the suction ...
Computational and experimental investigation of the aerodynamic characteristics of a windsurfing sail section
(Monterey, California. Naval Postgraduate School, 1992-12)
In this thesis results of a computational and experimental investigation of the aerodynamic characteristics of a sail section used in windsurfing sails are presented. State-of-the-art computational methods (panel, direct ...
Computational investigations of a NACA 0012 airfoil in low Reynolds number flows
(Monterey, California. Naval Postgraduate School, 1992-09)
A steady flow analysis is conducted for a NACA 0012 airfoil in low Reynolds number flows ranging from 540,000 to 1,000,000. Emphasis is placed on prediction and location of the separation bubble. Computational methods ...
RPH preliminary design, trend analysis and initial analysis of the NPS Hummingbird.
(Monterey, California. Naval Postgraduate School, 1992-09)
The Department of Aeronautics and Astronautics at the Naval Postgraduate School (NPS) is
expanding its helicopter research capabilities in order to facilitate present and future research
demands. The rapidly changing ...
Quantitative force measurements of pneumatic control on a wing/strake model.
(Monterey, California. Naval Postgraduate School, 1992-09)
A low-speed wind-tunnel study to quantitatively measure
the lift and drag effects of pneumatically controlling a
leading edge vortex generated by a half-span, genericfighter-
wing model was conducted. The study measured ...
Preliminary development of a VTOL unmanned air vehicle for the close-range mission.
(Monterey, California. Naval Postgraduate School, 1992-09)
The preliminary development of a full-scale Vertical Takeoff and Landing
(VTOL) Unmanned Air Vehicle (UAV) for the Close-Range mission was
completed at the Naval Postgraduate School (NPS). The vehicle was based on
half-scale ...
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Lieutenant, United States Navy (76)
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Aeronautical Engineering (76)